{"id":3255,"date":"2025-10-02T13:57:45","date_gmt":"2025-10-02T05:57:45","guid":{"rendered":"https:\/\/www.chuxin-smt.com\/?p=3255"},"modified":"2025-10-10T21:21:37","modified_gmt":"2025-10-10T13:21:37","slug":"slug-the-anatomy-of-a-wave-soldering-machine","status":"publish","type":"post","link":"https:\/\/www.chuxin-smt.com\/vi\/slug-the-anatomy-of-a-wave-soldering-machine\/","title":{"rendered":"C\u1ea5u t\u1ea1o c\u1ee7a m\u00e1y h\u00e0n s\u00f3ng"},"content":{"rendered":"<p>&nbsp;<\/p>\n<h2><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">C\u1ea5u tr\u00fac ch\u00ednh c\u1ee7a d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t SMT<\/span><\/span><\/span><\/span><\/h2>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">D\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t SMT (c\u00f4ng ngh\u1ec7 h\u00e0n b\u1ec1 m\u1eb7t) l\u00e0 h\u1ec7 th\u1ed1ng l\u1eafp r\u00e1p t\u1ef1 \u0111\u1ed9ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 s\u1ea3n xu\u1ea5t ch\u00ednh x\u00e1c v\u00e0 quy m\u00f4 l\u1edbn c\u00e1c b\u1ea3ng m\u1ea1ch in (PCB). Hi\u1ec3u r\u00f5 c\u1ea5u tr\u00fac c\u01a1 b\u1ea3n c\u1ee7a n\u00f3 l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ec3 n\u1eafm v\u1eefng quy tr\u00ecnh l\u1eafp \u0111\u1eb7t v\u00e0 h\u00e0n c\u00e1c linh ki\u1ec7n \u0111i\u1ec7n t\u1eed m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. To\u00e0n b\u1ed9 quy tr\u00ecnh bao g\u1ed3m m\u1ed9t chu\u1ed7i c\u00e1c giai \u0111o\u1ea1n \u0111\u01b0\u1ee3c ph\u1ed1i h\u1ee3p ch\u1eb7t ch\u1ebd, m\u1ed7i giai \u0111o\u1ea1n \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng. N\u1ec1n t\u1ea3ng c\u1ee7a d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t t\u1ef1 \u0111\u1ed9ng n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh b\u1edfi nhi\u1ec1u m\u00e1y m\u00f3c ch\u00ednh \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i li\u1ec1n m\u1ea1ch t\u1eeb b\u1ea3ng m\u1ea1ch tr\u1ed1ng \u0111\u1ebfn s\u1ea3n ph\u1ea9m ho\u00e0n thi\u1ec7n.<\/span><\/span><\/span><\/span><\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">T\u1ea1i trung t\u00e2m c\u1ea5u tr\u00fac d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t SMT l\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh sau:<\/span><\/span><\/span><\/span><\/p>\n<ul>\n<li><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">B\u1ed9 n\u1ea1p PCB:<\/span><\/span><\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> Quy tr\u00ecnh b\u1eaft \u0111\u1ea7u <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.chuxin-smt.com\/vi\/difference-between-loader-and-unloader-in-smt-lines\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">v\u1edbi b\u1ed9 n\u1ea1p PCB<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> , t\u1ef1 \u0111\u1ed9ng \u0111\u01b0a c\u00e1c b\u1ea3ng m\u1ea1ch tr\u1ed1ng t\u1eeb c\u00e1c khay v\u00e0o d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t. B\u01b0\u1edbc \u0111\u1ea7u ti\u00ean n\u00e0y lo\u1ea1i b\u1ecf vi\u1ec7c x\u1eed l\u00fd th\u1ee7 c\u00f4ng v\u00e0 gi\u1ea3m thi\u1ec3u r\u1ee7i ro \u00f4 nhi\u1ec5m v\u00e0 h\u01b0 h\u1ecfng. \u1ede \u0111\u1ea7u kia, m\u1ed9t thi\u1ebft b\u1ecb l\u1ea5y PCB thu th\u1eadp c\u00e1c PCB \u0111\u00e3 ho\u00e0n th\u00e0nh v\u00e0 x\u1ebfp ch\u00fang th\u00e0nh ch\u1ed3ng cho giai \u0111o\u1ea1n s\u1ea3n xu\u1ea5t ho\u1eb7c ki\u1ec3m tra ti\u1ebfp theo. Vi\u1ec7c x\u1eed l\u00fd t\u1ef1 \u0111\u1ed9ng c\u1ee7a d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ec3 duy tr\u00ec s\u1ea3n xu\u1ea5t li\u00ean t\u1ee5c v\u00e0 t\u1ed1c \u0111\u1ed9 cao. <\/span><\/span><\/span><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">. <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.electronicdesign.com\/technologies\/components\/article\/21211105\/electronic-design-the-basics-of-surface-mount-technology-smt\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">[Ngu\u1ed3n: Thi\u1ebft k\u1ebf \u0111i\u1ec7n t\u1eed]<\/span><\/span><\/span><\/span><\/a><\/li>\n<li><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">M\u00e1y in keo h\u00e0n:<\/span><\/span><\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> Sau khi b\u1ea3ng m\u1ea1ch tr\u1ea7n \u0111\u01b0\u1ee3c n\u1ea1p, n\u00f3 \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ebfn m\u00e1y in keo h\u00e0n. M\u00e1y n\u00e0y s\u1eed d\u1ee5ng khu\u00f4n v\u00e0 dao c\u1ea1o \u0111\u1ec3 \u00e1p d\u1ee5ng m\u1ed9t l\u1edbp keo h\u00e0n ch\u00ednh x\u00e1c l\u00ean c\u00e1c pad c\u1ee5 th\u1ec3 n\u01a1i c\u00e1c linh ki\u1ec7n \u0111\u01b0\u1ee3c \u0111\u1eb7t. \u0110\u1ed9 ch\u00ednh x\u00e1c \u1edf giai \u0111o\u1ea1n n\u00e0y l\u00e0 r\u1ea5t quan tr\u1ecdng, v\u00ec l\u01b0\u1ee3ng keo h\u00e0n kh\u00f4ng \u0111\u1ee7 ho\u1eb7c qu\u00e1 nhi\u1ec1u c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c l\u1ed7i h\u00e0n nh\u01b0 m\u1ea1ch h\u1edf ho\u1eb7c c\u1ea7u h\u00e0n. <\/span><\/span><\/span><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">. <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.epectec.com\/pcb\/assembly\/smt-process.html\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">[Ngu\u1ed3n: Epec Engineered Technologies]<\/span><\/span><\/span><\/span><\/a><\/li>\n<li><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">M\u00e1y \u0111\u1eb7t chip:<\/span><\/span><\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> \u0110\u00e2y l\u00e0 tr\u00e1i tim c\u1ee7a d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t SMT. Ch\u00fang l\u1ea5y c\u00e1c linh ki\u1ec7n g\u1eafn b\u1ec1 m\u1eb7t ri\u00eang l\u1ebb t\u1eeb cu\u1ed9n ho\u1eb7c khay v\u00e0 \u0111\u1eb7t ch\u00ednh x\u00e1c ch\u00fang l\u00ean c\u00e1c pad. C\u00e1c m\u00e1y m\u00f3c hi\u1ec7n \u0111\u1ea1i ho\u1ea1t \u0111\u1ed9ng v\u1edbi t\u1ed1c \u0111\u1ed9 c\u1ef1c cao, c\u00f3 kh\u1ea3 n\u0103ng \u0111\u1eb7t h\u00e0ng ngh\u00ecn linh ki\u1ec7n m\u1ed7i gi\u1edd v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao, \u0111i\u1ec1u n\u00e0y v\u00f4 c\u00f9ng quan tr\u1ecdng \u0111\u1ed1i v\u1edbi hi\u1ec7u qu\u1ea3 c\u1ee7a qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p SMT.<\/span><\/span><\/span><\/span><\/li>\n<li><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">M\u00e1y h\u00e0n (H\u00e0n ch\u1ea3y ho\u1eb7c H\u00e0n s\u00f3ng):<\/span><\/span><\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> Sau khi \u0111\u1eb7t linh ki\u1ec7n, b\u1ea3ng m\u1ea1ch in (PCB) ph\u1ea3i \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng \u0111\u1ec3 l\u00e0m ch\u1ea3y keo h\u00e0n, t\u1ea1o ra k\u1ebft n\u1ed1i \u0111i\u1ec7n v\u0129nh vi\u1ec5n. Ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong SMT l\u00e0 <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.chuxin-smt.com\/vi\/how-does-a-reflow-oven-work\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">H\u00e0n ch\u1ea3y l\u1ea1i<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> . B\u1ea3ng \u0111\u01b0\u1ee3c di chuy\u1ec3n tr\u00ean b\u0103ng t\u1ea3i qua nhi\u1ec1u v\u00f9ng gia nhi\u1ec7t, theo m\u1ed9t quy tr\u00ecnh c\u1ee5 th\u1ec3. <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.chuxin-smt.com\/vi\/slug-mastering-the-pcb-reflow-temperature-profile-2\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u0111\u01b0\u1eddng cong nhi\u1ec7t \u0111\u1ed9<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng t\u1ea5t c\u1ea3 c\u00e1c m\u1ed1i h\u00e0n \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh \u0111\u00fang c\u00e1ch m\u00e0 kh\u00f4ng g\u00e2y h\u01b0 h\u1ecfng cho c\u00e1c linh ki\u1ec7n. <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.pcb-technologies.com\/smt-assembly-a-comprehensive-guide\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">[Ngu\u1ed3n: PCB Technologies]<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> . \u0110\u1ed1i v\u1edbi b\u1ea3ng m\u1ea1ch c\u00f3 linh ki\u1ec7n l\u1ed7 th\u00f4ng, <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.chuxin-smt.com\/vi\/what-is-wave-soldering\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">h\u00e0n s\u00f3ng<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> M\u00e1y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u01b0a b\u1ea3ng m\u1ea1ch qua m\u1ed9t d\u00f2ng ch\u1ea3y c\u1ee7a ch\u00ec h\u00e0n n\u00f3ng ch\u1ea3y.<\/span><\/span><\/span><\/span><\/li>\n<li><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">B\u0103ng t\u1ea3i PCB: K\u1ebft n\u1ed1i t\u1ea5t c\u1ea3 c\u00e1c m\u00e1y m\u00f3c n\u00e0y l\u00e0 <\/span><\/span><\/span><\/span><\/strong><a href=\"https:\/\/www.chuxin-smt.com\/vi\/slug-the-complete-guide-to-pcb-conveyors\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">B\u0103ng t\u1ea3i PCB<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> h\u1ec7 th\u1ed1ng <\/span><\/span><\/span><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">. C\u00e1c b\u0103ng t\u1ea3i t\u1ef1 \u0111\u1ed9ng n\u00e0y v\u1eadn chuy\u1ec3n b\u1ea3ng m\u1ea1ch t\u1eeb tr\u1ea1m l\u00e0m vi\u1ec7c n\u00e0y sang tr\u1ea1m l\u00e0m vi\u1ec7c kh\u00e1c. T\u1ed1c \u0111\u1ed9 v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a b\u0103ng t\u1ea3i l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.chuxin-smt.com\/vi\/pcb-conveyors-optimize-line-layout-and-improve-efficiency\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">T\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh l\u00e0m vi\u1ec7c<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> v\u00e0 ng\u0103n ch\u1eb7n t\u00ecnh tr\u1ea1ng \u00f9n t\u1eafc ho\u1eb7c di chuy\u1ec3n linh ki\u1ec7n trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n. C\u00e1c d\u00e2y chuy\u1ec1n ph\u1ee9c t\u1ea1p h\u01a1n c\u00f3 th\u1ec3 t\u00edch h\u1ee3p b\u0103ng t\u1ea3i \u0111\u1ec7m ho\u1eb7c c\u1ed5ng chuy\u1ec3n ti\u1ebfp \u0111\u1ec3 qu\u1ea3n l\u00fd \u0111\u1ed9ng qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<h2><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Chu\u1ea9n b\u1ecb b\u1ea3ng m\u1ea1ch: Khu v\u1ef1c t\u1ea9y r\u1eeda v\u00e0 l\u00e0m n\u00f3ng tr\u01b0\u1edbc<\/span><\/span><\/span><\/span><\/h2>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Khi m\u1ed9t b\u1ea3ng m\u1ea1ch in (PCB) \u0111i qua m\u00e1y h\u00e0n s\u00f3ng, n\u00f3 tr\u01b0\u1edbc ti\u00ean \u0111i qua c\u00e1c khu v\u1ef1c phun ch\u1ea5t tr\u1ee3 h\u00e0n v\u00e0 l\u00e0m n\u00f3ng tr\u01b0\u1edbc. C\u00e1c giai \u0111o\u1ea1n ban \u0111\u1ea7u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 chu\u1ea9n b\u1ecb cho b\u1ea3ng m\u1ea1ch c\u00f3 th\u1ec3 h\u00ecnh th\u00e0nh c\u00e1c m\u1ed1i h\u00e0n th\u00e0nh c\u00f4ng. B\u1ecf qua c\u00e1c b\u01b0\u1edbc n\u00e0y ho\u1eb7c qu\u1ea3n l\u00fd ch\u00fang kh\u00f4ng \u0111\u00fang c\u00e1ch c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn nhi\u1ec1u l\u1ed7i h\u00e0n.<\/span><\/span><\/span><\/span><\/p>\n<h3><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Vai tr\u00f2 c\u1ee7a v\u00f9ng d\u00f2ng ch\u1ea3y<\/span><\/span><\/span><\/span><\/h3>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Tr\u01b0\u1edbc khi b\u1ea3ng m\u1ea1ch in (PCB) ti\u1ebfp x\u00fac v\u1edbi ch\u00ec h\u00e0n n\u00f3ng ch\u1ea3y, n\u00f3 \u0111i qua khu v\u1ef1c ch\u1ea5t tr\u1ee3 h\u00e0n, n\u01a1i n\u00f3 \u0111\u01b0\u1ee3c ph\u1ee7 m\u1ed9t l\u1edbp ch\u1ea5t tr\u1ee3 h\u00e0n. Ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a ch\u1ea5t tr\u1ee3 h\u00e0n l\u00e0 l\u00e0m s\u1ea1ch b\u1ec1 m\u1eb7t kim lo\u1ea1i v\u00e0 chu\u1ea9n b\u1ecb cho qu\u00e1 tr\u00ecnh h\u00e0n. N\u00f3 th\u1ef1c hi\u1ec7n \u0111i\u1ec1u n\u00e0y qua ba c\u00e1ch ch\u00ednh:<\/span><\/span><\/span><\/span><\/p>\n<ul>\n<li><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Lo\u1ea1i b\u1ecf oxit:<\/span><\/span><\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> B\u1ec1 m\u1eb7t kim lo\u1ea1i (bao g\u1ed3m c\u00e1c ch\u00e2n linh ki\u1ec7n v\u00e0 pad PCB) t\u1ef1 nhi\u00ean h\u00ecnh th\u00e0nh l\u1edbp oxit khi ti\u1ebfp x\u00fac v\u1edbi kh\u00f4ng kh\u00ed. C\u00e1c l\u1edbp oxit n\u00e0y ng\u0103n c\u1ea3n qu\u00e1 tr\u00ecnh h\u00e0n t\u1ea1o ra li\u00ean k\u1ebft kim lo\u1ea1i t\u1ed1t. Ch\u1ea5t tr\u1ee3 h\u00e0n ch\u1ee9a c\u00e1c ch\u1ea5t ho\u1ea1t t\u00ednh h\u00f3a h\u1ecdc c\u00f3 kh\u1ea3 n\u0103ng lo\u1ea1i b\u1ecf hi\u1ec7u qu\u1ea3 c\u00e1c l\u1edbp oxit n\u00e0y. <\/span><\/span><\/span><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">. <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.aimsolder.com\/technical-articles\/importance-flux-soldering-applications\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">[Ngu\u1ed3n: AIM Solder]<\/span><\/span><\/span><\/span><\/a><\/li>\n<li><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">C\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng th\u1ea5m \u01b0\u1edbt:<\/span><\/span><\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> Ch\u1ea5t t\u1ea9y r\u1eeda l\u00e0m s\u1ea1ch b\u1ec1 m\u1eb7t, cho ph\u00e9p ch\u00ec h\u00e0n n\u00f3ng ch\u1ea3y \u201ct\u00e1n \u0111\u1ec1u\u201d ho\u1eb7c ph\u00e2n b\u1ed1 \u0111\u1ec1u tr\u00ean c\u00e1c pad kim lo\u1ea1i v\u00e0 ch\u00e2n h\u00e0n. Qu\u00e1 tr\u00ecnh t\u00e1n \u0111\u1ec1u n\u00e0y l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ec3 t\u1ea1o ra c\u00e1c m\u1ed1i h\u00e0n ch\u1eafc ch\u1eafn v\u00e0 \u0111\u00e1ng tin c\u1eady.<\/span><\/span><\/span><\/span><\/li>\n<li><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Ng\u0103n ng\u1eeba qu\u00e1 tr\u00ecnh oxy h\u00f3a l\u1ea1i:<\/span><\/span><\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> Ch\u1ea5t h\u00e0n t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp b\u1ea3o v\u1ec7 tr\u00ean b\u1ec1 m\u1eb7t \u0111\u00e3 \u0111\u01b0\u1ee3c l\u00e0m s\u1ea1ch, ng\u0103n ch\u1eb7n qu\u00e1 tr\u00ecnh oxy h\u00f3a tr\u1edf l\u1ea1i khi b\u1ea3ng m\u1ea1ch \u0111i qua v\u00f9ng gia nhi\u1ec7t c\u1ee7a m\u00e1y tr\u01b0\u1edbc khi \u0111\u1ebfn s\u00f3ng h\u00e0n.<\/span><\/span><\/span><\/span><\/li>\n<\/ul>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Ch\u1ea5t h\u00e0n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng b\u1eb1ng nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c nhau, bao g\u1ed3m phun, t\u1ea1o b\u1ecdt ho\u1eb7c nh\u00fang, trong \u0111\u00f3 ph\u01b0\u01a1ng ph\u00e1p phun ch\u1ea5t h\u00e0n l\u00e0 ph\u1ed5 bi\u1ebfn nh\u1ea5t trong thi\u1ebft b\u1ecb hi\u1ec7n \u0111\u1ea1i nh\u1edd \u0111\u1ed9 ch\u00ednh x\u00e1c cao v\u00e0 kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t t\u1ed1t. \u0110\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin chi ti\u1ebft, <\/span><\/span><\/span><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Xem c\u1ee7a ch\u00fang t\u00f4i <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.chuxin-smt.com\/vi\/wave-soldering-flux-selection-and-maintenance-guide\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">H\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn v\u00e0 b\u1ea3o d\u01b0\u1ee1ng ch\u1ea5t h\u00e0n.<\/span><\/span><\/span><\/span><\/a><\/p>\n<h3><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Giai \u0111o\u1ea1n kh\u1edfi \u0111\u1ed9ng quan tr\u1ecdng<\/span><\/span><\/span><\/span><\/h3>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Sau khi \u00e1p d\u1ee5ng ch\u1ea5t tr\u1ee3 h\u00e0n, b\u1ea3ng m\u1ea1ch in (PCB) ngay l\u1eadp t\u1ee9c \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o khu v\u1ef1c ti\u1ec1n s\u1ea5y. Giai \u0111o\u1ea1n n\u00e0y bao g\u1ed3m vi\u1ec7c t\u0103ng d\u1ea7n nhi\u1ec7t \u0111\u1ed9 c\u1ee7a to\u00e0n b\u1ed9 c\u1ee5m linh ki\u1ec7n. Qu\u00e1 tr\u00ecnh ti\u1ec1n s\u1ea5y kh\u00f4ng ch\u1ec9 l\u00e0m n\u00f3ng b\u1ea3ng m\u1ea1ch m\u00e0 c\u00f2n th\u1ef1c hi\u1ec7n m\u1ed9t s\u1ed1 ch\u1ee9c n\u0103ng quan tr\u1ecdng kh\u00e1c:<\/span><\/span><\/span><\/span><\/p>\n<ul>\n<li><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">K\u00edch ho\u1ea1t d\u00f2ng ch\u1ea3y:<\/span><\/span><\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> Nhi\u1ec7t \u0111\u1ed9 k\u00edch ho\u1ea1t c\u00e1c h\u00f3a ch\u1ea5t trong ch\u1ea5t tr\u1ee3 h\u00e0n, t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng l\u00e0m s\u1ea1ch b\u1ec1 m\u1eb7t kim lo\u1ea1i c\u1ee7a n\u00f3. C\u00e1c lo\u1ea1i ch\u1ea5t tr\u1ee3 h\u00e0n kh\u00e1c nhau c\u00f3 ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 k\u00edch ho\u1ea1t c\u1ee5 th\u1ec3, v\u00ec v\u1eady <\/span><\/span><\/span><\/span><a href=\"\/vi\/httpsa-comprehensive-guide-to-wave-soldering-temperature\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">\u0110i\u1ec1u khi\u1ec3n nhi\u1ec7t \u0111\u1ed9<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> l\u00e0 m\u1ed9t th\u00f4ng s\u1ed1 quan tr\u1ecdng <\/span><\/span><\/span><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">. <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.epectec.com\/pcb\/wave-soldering\/pre-heat-stage.html\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">[Ngu\u1ed3n: EpecTec]<\/span><\/span><\/span><\/span><\/a><\/li>\n<li><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">S\u1ef1 bay h\u01a1i c\u1ee7a dung m\u00f4i:<\/span><\/span><\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> Ch\u1ea5t tr\u1ee3 h\u00e0n d\u1ea1ng l\u1ecfng ch\u1ee9a c\u00e1c dung m\u00f4i c\u1ea7n ph\u1ea3i bay h\u01a1i tr\u01b0\u1edbc khi b\u1ea3ng m\u1ea1ch \u0111\u01b0\u1ee3c ti\u1ebfp x\u00fac v\u1edbi s\u00f3ng h\u00e0n. N\u1ebfu c\u00e1c dung m\u00f4i kh\u00f4ng \u0111\u01b0\u1ee3c lo\u1ea1i b\u1ecf, ch\u00fang s\u1ebd s\u00f4i m\u1ea1nh khi ti\u1ebfp x\u00fac v\u1edbi h\u00e0n ch\u1ea3y, g\u00e2y ra c\u00e1c khuy\u1ebft t\u1eadt nh\u01b0 h\u1ea1t h\u00e0n v\u00e0 l\u1ed7 r\u1ed7ng.<\/span><\/span><\/span><\/span><\/li>\n<li><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Gi\u1ea3m s\u1ed1c nhi\u1ec7t:<\/span><\/span><\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> Vai tr\u00f2 quan tr\u1ecdng nh\u1ea5t c\u1ee7a qu\u00e1 tr\u00ecnh ti\u1ec1n s\u01b0\u1edfi l\u00e0 gi\u1ea3m thi\u1ec3u s\u1ed1c nhi\u1ec7t. S\u1ed1c nhi\u1ec7t \u0111\u1ec1 c\u1eadp \u0111\u1ebfn \u00e1p l\u1ef1c t\u00e1c \u0111\u1ed9ng l\u00ean b\u1ea3ng m\u1ea1ch in (PCB) v\u00e0 c\u00e1c linh ki\u1ec7n c\u1ee7a n\u00f3 khi nhi\u1ec7t \u0111\u1ed9 thay \u0111\u1ed5i \u0111\u1ed9t ng\u1ed9t. Khu v\u1ef1c ti\u1ec1n s\u01b0\u1edfi \u1ea5m t\u1eeb t\u1eeb l\u00e0m n\u00f3ng c\u00e1c linh ki\u1ec7n l\u00ean m\u1ed9t nhi\u1ec7t \u0111\u1ed9 c\u1ee5 th\u1ec3 (th\u01b0\u1eddng n\u1eb1m trong kho\u1ea3ng 100\u00b0C \u0111\u1ebfn 130\u00b0C) \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng s\u1ef1 ch\u00eanh l\u1ec7ch nhi\u1ec7t \u0111\u1ed9 gi\u1eefa b\u1ea3ng m\u1ea1ch v\u00e0 s\u00f3ng h\u00e0n (kho\u1ea3ng 250\u00b0C) kh\u00f4ng qu\u00e1 l\u1edbn. S\u1ef1 t\u0103ng nhi\u1ec7t \u0111\u1ed9 t\u1eeb t\u1eeb n\u00e0y gi\u00fap ng\u0103n ng\u1eeba c\u00e1c h\u01b0 h\u1ecfng nh\u01b0 cong v\u00eanh b\u1ea3ng m\u1ea1ch, n\u1ee9t v\u1ee1 linh ki\u1ec7n ho\u1eb7c bong tr\u00f3c. <\/span><\/span><\/span><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">. <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.pcb-technologies.com\/blog\/prevent-thermal-shock-in-pcbs\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">[Ngu\u1ed3n: PCB Technologies]<\/span><\/span><\/span><\/span><\/a><\/li>\n<\/ul>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Th\u1ef1c hi\u1ec7n \u0111\u00fang quy tr\u00ecnh l\u00e0m n\u00f3ng ch\u1ea3y v\u00e0 l\u00e0m n\u00f3ng tr\u01b0\u1edbc l\u00e0 n\u1ec1n t\u1ea3ng quan tr\u1ecdng. <\/span><\/span><\/span><a href=\"https:\/\/www.chuxin-smt.com\/vi\/slug-a-step-by-step-guide-to-the-wave-soldering-process\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">cho to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh h\u00e0n s\u00f3ng<\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> , \u0110\u1ea3m b\u1ea3o c\u00e1c th\u00e0nh ph\u1ea7n \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb v\u1ec1 m\u1eb7t h\u00f3a h\u1ecdc v\u00e0 nhi\u1ec7t \u0111\u1ed9 cho c\u00e1c b\u01b0\u1edbc h\u00e0n cu\u1ed1i c\u00f9ng.<\/span><\/span><\/span><\/span><\/p>\n<h2><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Tr\u00e1i tim c\u1ee7a m\u00e1y m\u00f3c: n\u1ed3i h\u00e0n v\u00e0 c\u01a1 ch\u1ebf s\u00f3ng<\/span><\/span><\/span><\/span><\/h2>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">N\u1ed3i h\u00e0n l\u00e0 tr\u00e1i tim c\u1ee7a b\u1ea5t k\u1ef3 m\u00e1y h\u00e0n s\u00f3ng n\u00e0o, \u0111\u00f3ng vai tr\u00f2 l\u00e0 b\u1ec3 ch\u1ee9a cho h\u00e0n ch\u1ea3y. N\u1ed3i h\u00e0n b\u1eaft \u0111\u1ea7u qu\u00e1 tr\u00ecnh h\u00e0n b\u1eb1ng c\u00e1ch l\u00e0m n\u00f3ng h\u1ee3p kim h\u00e0n r\u1eafn (th\u01b0\u1eddng l\u00e0 h\u1ee3p kim kh\u00f4ng ch\u1ee9a ch\u00ec nh\u01b0 thi\u1ebfc-b\u1ea1c-\u0111\u1ed3ng (SAC)) \u0111\u1ebfn tr\u1ea1ng th\u00e1i l\u1ecfng ch\u00ednh x\u00e1c. Vi\u1ec7c duy tr\u00ec nhi\u1ec7t \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh b\u00ean trong n\u1ed3i h\u00e0n l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c m\u1ed1i h\u00e0n \u0111\u00e1ng tin c\u1eady. Nh\u01b0 \u0111\u00e3 th\u1ea3o lu\u1eadn trong b\u00e0i vi\u1ebft c\u1ee7a ch\u00fang t\u00f4i, <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.chuxin-smt.com\/vi\/slug-a-comprehensive-guide-to-wave-soldering-temperature\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">H\u01b0\u1edbng d\u1eabn nhi\u1ec7t \u0111\u1ed9 h\u00e0n s\u00f3ng<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> , Ngay c\u1ea3 nh\u1eefng bi\u1ebfn \u0111\u1ed9ng nh\u1ecf c\u0169ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c khuy\u1ebft t\u1eadt nh\u01b0 s\u1ed1c nhi\u1ec7t ho\u1eb7c kh\u00f4ng \u01b0\u1edbt ho\u00e0n to\u00e0n. Theo th\u1eddi gian, b\u1ec1 m\u1eb7t c\u1ee7a ch\u00ec h\u00e0n n\u00f3ng ch\u1ea3y ph\u1ea3n \u1ee9ng v\u1edbi kh\u00f4ng kh\u00ed, t\u1ea1o th\u00e0nh m\u1ed9t l\u1edbp oxit v\u00e0 t\u1ea1p ch\u1ea5t \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 c\u1eb7n. Vi\u1ec7c lo\u1ea1i b\u1ecf c\u1eb7n n\u00e0y th\u01b0\u1eddng xuy\u00ean l\u00e0 r\u1ea5t quan tr\u1ecdng, v\u00ec n\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0a c\u00e1c t\u1ea1p ch\u1ea5t v\u00e0o qu\u00e1 tr\u00ecnh h\u00e0n v\u00e0 g\u00e2y ra c\u00e1c khuy\u1ebft t\u1eadt nh\u01b0 \u0111\u00f3ng b\u0103ng v\u00e0 c\u1ea7u n\u1ed1i. <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.kester.com\/knowledge-base\/dross-and-drossing\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">[Ngu\u1ed3n: Kester]<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> .<\/span><\/span><\/span><\/span><\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">T\u1eeb n\u1ed3i h\u00e0n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t c\u1ea9n th\u1eadn n\u00e0y, h\u00e0n l\u1ecfng \u0111\u01b0\u1ee3c b\u01a1m l\u00ean qua v\u00f2i phun \u0111\u1ec3 t\u1ea1o th\u00e0nh s\u00f3ng h\u00e0n\u2014tr\u00e1i tim c\u1ee7a to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh h\u00e0n. H\u1ec7 th\u1ed1ng h\u00e0n s\u00f3ng hi\u1ec7n \u0111\u1ea1i g\u1ea7n nh\u01b0 \u0111\u1ec1u s\u1eed d\u1ee5ng quy tr\u00ecnh hai s\u00f3ng \u0111\u1ec3 x\u1eed l\u00fd c\u00e1c bo m\u1ea1ch in (PCB) ph\u1ee9c t\u1ea1p, k\u1ebft h\u1ee3p nhi\u1ec1u c\u00f4ng ngh\u1ec7. Hi\u1ec3u r\u00f5 vai tr\u00f2 \u0111\u1eb7c bi\u1ec7t c\u1ee7a t\u1eebng s\u00f3ng l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 n\u1eafm v\u1eefng qu\u00e1 tr\u00ecnh h\u00e0n, m\u1ed9t ch\u1ee7 \u0111\u1ec1 ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u khi... <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.chuxin-smt.com\/vi\/slug-a-deep-dive-into-solder-wave-dynamics\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Kh\u00e1m ph\u00e1 s\u00e2u h\u01a1n v\u1ec1 \u0111\u1ed9ng h\u1ecdc c\u1ee7a s\u00f3ng h\u00e0n.<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> .<\/span><\/span><\/span><\/span><\/p>\n<ol>\n<li><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">S\u00f3ng nhi\u1ec5u lo\u1ea1n (S\u00f3ng chip):<\/span><\/span><\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> S\u00f3ng \u0111\u1ea7u ti\u00ean m\u00e0 PCB g\u1eb7p ph\u1ea3i l\u00e0 d\u00f2ng ch\u1ea3y h\u1ed7n lo\u1ea1n, th\u01b0\u1eddng l\u00e0 hai chi\u1ec1u. D\u00f2ng ch\u1ea3y m\u1ea1nh m\u1ebd v\u00e0 h\u1ed7n lo\u1ea1n n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ph\u1ee7 k\u00edn ho\u00e0n to\u00e0n l\u1edbp h\u00e0n, \u00e9p h\u00e0n v\u00e0o c\u00e1c kh\u00f4ng gian h\u1eb9p nh\u01b0 l\u1ed7 th\u00f4ng qua m\u1ea1 v\u00e0 d\u01b0\u1edbi c\u00e1c linh ki\u1ec7n h\u00e0n b\u1ec1 m\u1eb7t. H\u00e0nh \u0111\u1ed9ng n\u00e0y kh\u1eafc ph\u1ee5c hi\u1ec7n t\u01b0\u1ee3ng che khu\u1ea5t linh ki\u1ec7n v\u00e0 th\u00fac \u0111\u1ea9y qu\u00e1 tr\u00ecnh th\u1ea5m h\u00e0n t\u1ed1t tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c b\u1ec1 m\u1eb7t c\u00f3 th\u1ec3 h\u00e0n. <\/span><\/span><\/span><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">. <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.epectec.com\/pcb\/wave-soldering\/process.html\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">[Ngu\u1ed3n: Epec Engineered Technologies]<\/span><\/span><\/span><\/span><\/a><\/li>\n<li><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">S\u00f3ng l\u1edbp (m\u01b0\u1ee3t m\u00e0):<\/span><\/span><\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> Sau khi \u0111i qua s\u00f3ng nhi\u1ec5u lo\u1ea1n, b\u1ea3ng m\u1ea1ch in (PCB) ti\u1ebfp t\u1ee5c di chuy\u1ec3n qua m\u1ed9t s\u00f3ng th\u1ee9 hai m\u01b0\u1ee3t m\u00e0 h\u01a1n. S\u00f3ng l\u1edbp m\u1ecfng ch\u1ea3y theo m\u1ed9t h\u01b0\u1edbng duy nh\u1ea5t, t\u1ea1o ra b\u1ec1 m\u1eb7t y\u00ean t\u0129nh v\u00e0 \u1ed5n \u0111\u1ecbnh. M\u1ee5c \u0111\u00edch c\u1ee7a n\u00f3 l\u00e0 l\u00e0m th\u1eb3ng v\u00e0 \u0111\u1ecbnh h\u00ecnh: lo\u1ea1i b\u1ecf l\u01b0\u1ee3ng h\u00e0n th\u1eeba do s\u00f3ng nhi\u1ec5u lo\u1ea1n \u0111\u1ec3 l\u1ea1i, lo\u1ea1i b\u1ecf c\u00e1c c\u1ea7u h\u00e0n gi\u1eefa c\u00e1c ch\u00e2n c\u1eafm g\u1ea7n nhau v\u00e0 cu\u1ed1i c\u00f9ng t\u1ea1o ra m\u1ed9t \u0111\u01b0\u1eddng h\u00e0n ho\u00e0n h\u1ea3o.<\/span><\/span><\/span><\/span><\/li>\n<\/ol>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Hi\u1ec7u qu\u1ea3 c\u1ee7a to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c hi\u1ec7u ch\u1ec9nh ch\u00ednh x\u00e1c c\u00e1c \u0111\u1eb7c t\u00ednh \u0111\u1ed9ng h\u1ecdc c\u1ee7a s\u00f3ng h\u00e0n. C\u00e1c th\u00f4ng s\u1ed1 quan tr\u1ecdng nh\u01b0: <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.chuxin-smt.com\/vi\/how-to-adjust-solder-wave-height-for-pcb-soldering-quality\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Chi\u1ec1u cao s\u00f3ng<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> , T\u1ed1c \u0111\u1ed9 b\u0103ng t\u1ea3i (quy\u1ebft \u0111\u1ecbnh th\u1eddi gian ti\u1ebfp x\u00fac) v\u00e0 g\u00f3c nghi\u00eang c\u1ee7a b\u0103ng t\u1ea3i ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1ed3ng b\u1ed9 h\u00f3a ho\u00e0n h\u1ea3o. M\u1ee5c ti\u00eau l\u00e0 \u0111\u1ea3m b\u1ea3o th\u1eddi gian ti\u1ebfp x\u00fac \u0111\u1ee7 \u0111\u1ec3 PCB \u0111\u01b0\u1ee3c l\u00e0m \u01b0\u1edbt \u0111\u1ea7y \u0111\u1ee7 m\u00e0 kh\u00f4ng g\u00e2y ra \u1ee9ng su\u1ea5t nhi\u1ec7t qu\u00e1 m\u1ee9c cho c\u00e1c linh ki\u1ec7n. S\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa b\u1ec3 h\u00e0n \u1ed5n \u0111\u1ecbnh v\u00e0 s\u00f3ng h\u00e0n \u0111\u1ed9ng l\u1ef1c cu\u1ed1i c\u00f9ng quy\u1ebft \u0111\u1ecbnh ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng.<\/span><\/span><\/span><\/span><\/p>\n<h2><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">L\u1eafp r\u00e1p cu\u1ed1i c\u00f9ng: l\u00e0m m\u00e1t, v\u1ec7 sinh v\u00e0 ki\u1ec3m tra<\/span><\/span><\/span><\/span><\/h2>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Qu\u00e1 tr\u00ecnh h\u00e0n m\u1ea1ch in (PCB) kh\u00f4ng k\u1ebft th\u00fac khi ch\u00ec h\u00e0n tan ch\u1ea3y. Giai \u0111o\u1ea1n l\u00e0m m\u00e1t l\u00e0 b\u01b0\u1edbc quan tr\u1ecdng v\u00e0 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd, cho ph\u00e9p ch\u00ec h\u00e0n tan ch\u1ea3y \u0111\u00f4ng c\u1ee9ng l\u1ea1i, t\u1ea1o ra k\u1ebft n\u1ed1i \u0111i\u1ec7n m\u1ea1nh m\u1ebd v\u00e0 \u0111\u00e1ng tin c\u1eady. N\u1ebfu giai \u0111o\u1ea1n n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n qu\u00e1 nhanh ho\u1eb7c sai c\u00e1ch, c\u00f4ng vi\u1ec7c t\u1ec9 m\u1ec9 c\u1ee7a qu\u00e1 tr\u00ecnh l\u00e0m n\u00f3ng tr\u01b0\u1edbc v\u00e0 t\u00e1i ch\u1ea3y c\u00f3 th\u1ec3 b\u1ecb h\u1ee7y ho\u1ea1i, d\u1eabn \u0111\u1ebfn nhi\u1ec1u l\u1ed7i kh\u00e1c nhau.<\/span><\/span><\/span><\/span><\/p>\n<h3><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Vai tr\u00f2 quan tr\u1ecdng c\u1ee7a t\u1ed1c \u0111\u1ed9 l\u00e0m m\u00e1t<\/span><\/span><\/span><\/span><\/h3>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Sau khi b\u1ea3ng m\u1ea1ch in (PCB) \u0111\u1ea1t \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 cao nh\u1ea5t trong qu\u00e1 tr\u00ecnh h\u00e0n, n\u00f3 chuy\u1ec3n sang <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.chuxin-smt.com\/vi\/slug-a-comprehensive-guide-to-the-reflow-oven-cooling-zone\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">khu v\u1ef1c l\u00e0m m\u00e1t<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> . M\u1ee5c ti\u00eau ch\u00ednh \u1edf \u0111\u00e2y l\u00e0 gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 c\u1ee7a linh ki\u1ec7n v\u1edbi t\u1ed1c \u0111\u1ed9 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t. T\u1ed1c \u0111\u1ed9 n\u00e0y \u0111\u01b0\u1ee3c coi l\u00e0 th\u00f4ng s\u1ed1 quan tr\u1ecdng nh\u1ea5t trong giai \u0111o\u1ea1n n\u00e0y, v\u00ec n\u00f3 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn c\u1ea5u tr\u00fac vi m\u00f4 c\u1ee7a m\u1ed1i h\u00e0n, t\u1eeb \u0111\u00f3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc v\u00e0 \u0111\u1ed9 tin c\u1eady l\u00e2u d\u00e0i c\u1ee7a n\u00f3.<\/span><\/span><\/span><\/span><\/p>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">T\u1ed1c \u0111\u1ed9 l\u00e0m m\u00e1t t\u1ed1i \u01b0u (th\u01b0\u1eddng kho\u1ea3ng -4\u00b0C m\u1ed7i gi\u00e2y) l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ec3 ph\u00e1t tri\u1ec3n c\u1ea5u tr\u00fac vi tinh th\u1ec3 m\u1ecbn trong h\u1ee3p kim h\u00e0n. <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.circuitnet.com\/experts\/85915.html\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">[Ngu\u1ed3n: CircuitNet]<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> . C\u1ea5u tr\u00fac h\u1ea1t m\u1ecbn n\u00e0y gi\u00fap t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ecfi v\u00e0 \u0111\u1ed9 b\u1ec1n t\u1ed5ng th\u1ec3 c\u1ee7a m\u1ed1i h\u00e0n. Tuy nhi\u00ean, s\u1ef1 ch\u00eanh l\u1ec7ch so v\u1edbi t\u1ed1c \u0111\u1ed9 l\u00e0m m\u00e1t t\u1ed1i \u01b0u c\u00f3 th\u1ec3 g\u00e2y ra c\u00e1c v\u1ea5n \u0111\u1ec1 nghi\u00eam tr\u1ecdng:<\/span><\/span><\/span><\/span><\/p>\n<ul>\n<li><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">L\u00e0m m\u00e1t qu\u00e1 nhanh:<\/span><\/span><\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> S\u1ef1 gi\u1ea3m nhi\u1ec7t \u0111\u1ed9 \u0111\u1ed9t ng\u1ed9t c\u00f3 th\u1ec3 g\u00e2y ra s\u1ed1c nhi\u1ec7t, t\u1ea1o ra \u1ee9ng su\u1ea5t c\u00f3 th\u1ec3 l\u00e0m n\u1ee9t bo m\u1ea1ch in (PCB) ho\u1eb7c ch\u00ednh c\u00e1c linh ki\u1ec7n. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t nguy hi\u1ec3m \u0111\u1ed1i v\u1edbi c\u00e1c t\u1ee5 \u0111i\u1ec7n g\u1ed1m nh\u1ea1y c\u1ea3m.<\/span><\/span><\/span><\/span><\/li>\n<li><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">L\u00e0m m\u00e1t qu\u00e1 ch\u1eadm:<\/span><\/span><\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> Qu\u00e1 tr\u00ecnh l\u00e0m m\u00e1t qu\u00e1 ch\u1eadm c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ef1 ph\u00e1t tri\u1ec3n qu\u00e1 m\u1ee9c c\u1ee7a c\u00e1c h\u1ee3p ch\u1ea5t kim lo\u1ea1i (IMC) t\u1ea1i giao di\u1ec7n gi\u1eefa m\u1ed1i h\u00e0n v\u00e0 ch\u00e2n linh ki\u1ec7n. Trong khi m\u1ed9t l\u1edbp IMC m\u1ecfng l\u00e0 mong mu\u1ed1n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft n\u1ed1i t\u1ed1t, m\u1ed9t l\u1edbp IMC d\u00e0y v\u00e0 gi\u00f2n c\u00f3 th\u1ec3 l\u00e0m suy y\u1ebfu t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a m\u1ed1i h\u00e0n, khi\u1ebfn n\u00f3 d\u1ec5 b\u1ecb h\u1ecfng h\u00f3c d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng c\u1ee7a l\u1ef1c ho\u1eb7c rung \u0111\u1ed9ng. <\/span><\/span><\/span><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">. <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.belpower-solutions.com\/resource\/soldering-process-control-for-pcba\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">[Ngu\u1ed3n: Bel Power Solutions]<\/span><\/span><\/span><\/span><\/a><\/li>\n<\/ul>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">N\u1eafm v\u1eefng <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.chuxin-smt.com\/vi\/reflow-soldering-cooling-system-importance-optimization\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">H\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t cho qu\u00e1 tr\u00ecnh h\u00e0n ch\u1ea3y l\u1ea1i c\u1ee7a b\u1ea1n<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ec3 ng\u0103n ch\u1eb7n c\u00e1c v\u1ea5n \u0111\u1ec1 n\u00e0y v\u00e0 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 nh\u1ea5t qu\u00e1n, ch\u1ea5t l\u01b0\u1ee3ng cao.<\/span><\/span><\/span><\/span><\/p>\n<h3><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">V\u1ec7 sinh v\u00e0 ki\u1ec3m tra sau h\u00e0n<\/span><\/span><\/span><\/span><\/h3>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Sau khi b\u1ea3ng m\u1ea1ch \u0111\u00e3 ngu\u1ed9i v\u00e0 c\u00e1c m\u1ed1i h\u00e0n \u0111\u00e3 \u0111\u00f4ng c\u1ee9ng, qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p chuy\u1ec3n sang giai \u0111o\u1ea1n sau h\u00e0n \u0111\u1ec3 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 chu\u1ea9n b\u1ecb cho \u1ee9ng d\u1ee5ng cu\u1ed1i c\u00f9ng.<\/span><\/span><\/span><\/span><\/p>\n<p><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">1. V\u1ec7 sinh:<\/span><\/span><\/span><\/span><\/strong><br \/>\n<span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> Qu\u00e1 tr\u00ecnh h\u00e0n th\u01b0\u1eddng \u0111\u1ec3 l\u1ea1i c\u1eb7n h\u00e0n. M\u1eb7c d\u00f9 c\u00e1c lo\u1ea1i h\u00e0n \u201ckh\u00f4ng c\u1ea7n l\u00e0m s\u1ea1ch\u201d (no-clean) kh\u00e1 ph\u1ed5 bi\u1ebfn, nh\u01b0ng c\u1eb7n h\u00e0n c\u1ee7a ch\u00fang \u0111\u00f4i khi c\u00f3 th\u1ec3 g\u00e2y c\u1ea3n tr\u1edf qu\u00e1 tr\u00ecnh ki\u1ec3m tra trong m\u1ea1ch (in-circuit testing) ho\u1eb7c ng\u0103n c\u1ea3n l\u1edbp ph\u1ee7 b\u1ea3o v\u1ec7 (conformal coating) b\u00e1m d\u00ednh \u0111\u00fang c\u00e1ch. Vi\u1ec7c l\u00e0m s\u1ea1ch l\u00e0 c\u1ea7n thi\u1ebft cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 tin c\u1eady cao trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p \u00f4 t\u00f4, y t\u1ebf ho\u1eb7c h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5. C\u1eb7n h\u00e0n c\u00f3 th\u1ec3 c\u00f3 t\u00ednh axit v\u00e0 h\u1ea5p th\u1ee5 \u0111\u1ed9 \u1ea9m t\u1eeb kh\u00f4ng kh\u00ed, c\u00f3 th\u1ec3 g\u00e2y \u0103n m\u00f2n v\u00e0 ch\u1eadp \u0111i\u1ec7n theo th\u1eddi gian. <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.epectec.com\/pcb\/assembly\/post-soldering-cleaning.html\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">[Ngu\u1ed3n: Epec]<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> . C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p l\u00e0m s\u1ea1ch kh\u00e1c nhau, bao g\u1ed3m c\u00e1c h\u1ec7 th\u1ed1ng d\u1ef1a tr\u00ean n\u01b0\u1edbc, b\u00e1n n\u01b0\u1edbc v\u00e0 dung m\u00f4i, \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c ch\u1ea5t g\u00e2y \u00f4 nhi\u1ec5m c\u00f3 h\u1ea1i n\u00e0y.<\/span><\/span><\/span><\/span><\/p>\n<p><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">2. Ki\u1ec3m tra v\u00e0 th\u1eed nghi\u1ec7m:<\/span><\/span><\/span><\/span><\/strong><br \/>\n<span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng, m\u1ed7i th\u00e0nh ph\u1ea7n \u0111\u1ec1u ph\u1ea3i tr\u1ea3i qua qu\u00e1 tr\u00ecnh ki\u1ec3m tra nghi\u00eam ng\u1eb7t. C\u00e1c ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh bao g\u1ed3m:<\/span><\/span><\/span><\/span><\/p>\n<ul>\n<li><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Ki\u1ec3m tra quang h\u1ecdc t\u1ef1 \u0111\u1ed9ng (AOI):<\/span><\/span><\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> H\u1ec7 th\u1ed1ng AOI s\u1eed d\u1ee5ng camera \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao \u0111\u1ec3 qu\u00e9t b\u1ea3ng m\u1ea1ch in (PCB) v\u00e0 so s\u00e1nh v\u1edbi m\u1eabu chi ti\u1ebft c\u1ee7a b\u1ea3ng m\u1ea1ch chu\u1ea9n (gold board). H\u1ec7 th\u1ed1ng n\u00e0y c\u00f3 th\u1ec3 nhanh ch\u00f3ng ph\u00e1t hi\u1ec7n c\u00e1c l\u1ed7i nh\u01b0 c\u1ea7u h\u00e0n, m\u1ea1ch h\u1edf, h\u00e0n kh\u00f4ng \u0111\u1ee7 v\u00e0 v\u1ecb tr\u00ed linh ki\u1ec7n kh\u00f4ng ch\u00ednh x\u00e1c.<\/span><\/span><\/span><\/span><\/li>\n<li><strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Ki\u1ec3m tra tia X t\u1ef1 \u0111\u1ed9ng (AXI):<\/span><\/span><\/span><\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> AXI l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c linh ki\u1ec7n c\u00f3 m\u1ed1i h\u00e0n \u1ea9n, ch\u1eb3ng h\u1ea1n nh\u01b0 m\u1ea3ng l\u01b0\u1edbi b\u00f3ng (BGAs). Tia X c\u00f3 th\u1ec3 xuy\u00ean qua th\u00e2n linh ki\u1ec7n v\u00e0 t\u1ea1o ra h\u00ecnh \u1ea3nh c\u1ee7a c\u00e1c k\u1ebft n\u1ed1i b\u00ean d\u01b0\u1edbi, ph\u00e1t hi\u1ec7n c\u00e1c khuy\u1ebft t\u1eadt m\u00e0 h\u1ec7 th\u1ed1ng quang h\u1ecdc kh\u00f4ng th\u1ec3 ph\u00e1t hi\u1ec7n, ch\u1eb3ng h\u1ea1n nh\u01b0 <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.chuxin-smt.com\/vi\/how-to-reduce-voids-in-reflow-soldering-process-tips\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">L\u1ed7 h\u1ed5ng h\u00e0n<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> ho\u1eb7c qu\u1ea7n short <\/span><\/span><\/span><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">. <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.creativehitech.com\/blog\/basics-of-automated-x-ray-inspection-axi-for-pcb\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">[Ngu\u1ed3n: Creative Hi-Tech]<\/span><\/span><\/span><\/span><\/a><\/li>\n<\/ul>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Sau khi ki\u1ec3m tra n\u00e0y, th\u01b0\u1eddng ti\u1ebfn h\u00e0nh ki\u1ec3m tra ch\u1ee9c n\u0103ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o bo m\u1ea1ch \u0111\u01b0\u1ee3c c\u1ea5p ngu\u1ed3n \u0111\u00fang c\u00e1ch v\u00e0 ho\u1ea1t \u0111\u1ed9ng theo thi\u1ebft k\u1ebf. Ki\u1ec3m tra cu\u1ed1i c\u00f9ng n\u00e0y x\u00e1c nh\u1eadn r\u1eb1ng to\u00e0n b\u1ed9 <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.chuxin-smt.com\/vi\/slug-a-deep-dive-into-the-reflow-soldering-process\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">qu\u00e1 tr\u00ecnh t\u00e1i ch\u1ea3y<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> ho\u1eb7c <\/span><\/span><\/span><\/span><a href=\"https:\/\/www.chuxin-smt.com\/vi\/slug-a-step-by-step-guide-to-the-wave-soldering-process\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Quy tr\u00ecnh h\u00e0n s\u00f3ng<\/span><\/span><\/span><\/span><\/a><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"> \u0110\u00e3 \u0111\u01b0\u1ee3c ho\u00e0n th\u00e0nh th\u00e0nh c\u00f4ng, d\u1eabn \u0111\u1ebfn vi\u1ec7c t\u1ea1o ra m\u1ed9t c\u1ee5m linh ki\u1ec7n \u0111i\u1ec7n t\u1eed \u0111\u00e1ng tin c\u1eady v\u00e0 ho\u1ea1t \u0111\u1ed9ng \u0111\u1ea7y \u0111\u1ee7 ch\u1ee9c n\u0103ng.<\/span><\/span><\/span><\/span><\/p>\n<h2><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">ngu\u1ed3n<\/span><\/span><\/span><\/span><\/h2>\n<ul>\n<li><a href=\"https:\/\/www.aimsolder.com\/technical-articles\/importance-flux-soldering-applications\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">AIM Solder \u2013 T\u1ea7m quan tr\u1ecdng c\u1ee7a ch\u1ea5t tr\u1ee3 h\u00e0n trong c\u00e1c \u1ee9ng d\u1ee5ng h\u00e0n<\/span><\/span><\/span><\/span><\/a><\/li>\n<li><a href=\"https:\/\/www.belpower-solutions.com\/resource\/soldering-process-control-for-pcba\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Bel Power Solutions \u2013 Ki\u1ec3m so\u00e1t qu\u00e1 tr\u00ecnh h\u00e0n m\u1ea1ch in (PCBA)<\/span><\/span><\/span><\/span><\/a><\/li>\n<li><a href=\"https:\/\/www.circuitnet.com\/experts\/85915.html\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">CircuitNet \u2013 \u1ea2nh h\u01b0\u1edfng c\u1ee7a t\u1ed1c \u0111\u1ed9 l\u00e0m m\u00e1t<\/span><\/span><\/span><\/span><\/a><\/li>\n<li><a href=\"https:\/\/www.creativehitech.com\/blog\/basics-of-automated-x-ray-inspection-axi-for-pcb\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">C\u00f4ng ngh\u1ec7 S\u00e1ng t\u1ea1o \u2013 Ki\u1ec3m tra X-quang T\u1ef1 \u0111\u1ed9ng tr\u00ean M\u1ea1ch In (AXI) C\u01a1 b\u1ea3n<\/span><\/span><\/span><\/span><\/a><\/li>\n<li><a href=\"https:\/\/www.electronicdesign.com\/technologies\/components\/article\/21211105\/electronic-design-the-basics-of-surface-mount-technology-smt\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Thi\u1ebft k\u1ebf \u0111i\u1ec7n t\u1eed \u2013 C\u01a1 b\u1ea3n v\u1ec1 C\u00f4ng ngh\u1ec7 h\u00e0n b\u1ec1 m\u1eb7t (SMT)<\/span><\/span><\/span><\/span><\/a><\/li>\n<li><a href=\"https:\/\/www.epectec.com\/pcb\/assembly\/post-soldering-cleaning.html\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Epec Engineered Technologies \u2013 V\u1ec7 sinh b\u1ea3ng m\u1ea1ch in sau khi h\u00e0n<\/span><\/span><\/span><\/span><\/a><\/li>\n<li><a href=\"https:\/\/www.epectec.com\/pcb\/assembly\/smt-process.html\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">C\u00f4ng ngh\u1ec7 K\u1ef9 thu\u1eadt Epec \u2013 Quy tr\u00ecnh l\u1eafp r\u00e1p SMT<\/span><\/span><\/span><\/span><\/a><\/li>\n<li><a href=\"https:\/\/www.epectec.com\/pcb\/wave-soldering\/process.html\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">C\u00f4ng ngh\u1ec7 K\u1ef9 thu\u1eadt Epec \u2013 Quy tr\u00ecnh h\u00e0n s\u00f3ng<\/span><\/span><\/span><\/span><\/a><\/li>\n<li><a href=\"https:\/\/www.epectec.com\/pcb\/wave-soldering\/pre-heat-stage.html\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Epec Engineered Technologies \u2013 Giai \u0111o\u1ea1n l\u00e0m n\u00f3ng tr\u01b0\u1edbc trong qu\u00e1 tr\u00ecnh h\u00e0n s\u00f3ng<\/span><\/span><\/span><\/span><\/a><\/li>\n<li><a href=\"https:\/\/www.kester.com\/knowledge-base\/dross-and-drossing\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">Kester \u2013 C\u1eb7n b\u00e3 v\u00e0 c\u1eb7n b\u00e3<\/span><\/span><\/span><\/span><\/a><\/li>\n<li><a href=\"https:\/\/www.pcb-technologies.com\/blog\/prevent-thermal-shock-in-pcbs\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">C\u00f4ng ngh\u1ec7 PCB \u2013 C\u00e1ch ph\u00f2ng ng\u1eeba s\u1ed1c nhi\u1ec7t trong PCB<\/span><\/span><\/span><\/span><\/a><\/li>\n<li><a href=\"https:\/\/www.pcb-technologies.com\/smt-assembly-a-comprehensive-guide\/\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">C\u00f4ng ngh\u1ec7 PCB \u2013 L\u1eafp r\u00e1p SMT \u2013 H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n<\/span><\/span><\/span><\/span><\/a><\/li>\n<\/ul>\n<p><span dir=\"auto\" style=\"vertical-align: inherit;\"><span dir=\"auto\" style=\"vertical-align: inherit;\">&#8220;`<\/span><\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>&nbsp; The core structure of the SMT production line An SMT (surface mount technology) production line is an automated assembly [&hellip;]<\/p>","protected":false},"author":1,"featured_media":3254,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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