{"id":3309,"date":"2025-10-13T11:52:23","date_gmt":"2025-10-13T03:52:23","guid":{"rendered":"https:\/\/www.chuxin-smt.com\/slug-understanding-solder-balling-causes-and-prevention-methods\/"},"modified":"2026-01-18T11:09:05","modified_gmt":"2026-01-18T03:09:05","slug":"slug-understanding-solder-balling-causes-and-prevention-methods","status":"publish","type":"post","link":"https:\/\/www.chuxin-smt.com\/ja\/slug-understanding-solder-balling-causes-and-prevention-methods\/","title":{"rendered":"Solder Balling: A Comprehensive Guide To Causes And Prevention"},"content":{"rendered":"<h2 id=\"understandingtherootcausesandpreventionofsolderballing\">\u306f\u3093\u3060\u30dc\u30fc\u30eb\u306e\u539f\u56e0\u3068\u9632\u6b62\u7b56\u3092\u7406\u89e3\u3059\u308b<\/h2>\n<p>Solder balling is a prevalent defect in Surface Mount Technology (SMT) assembly, characterized by the formation of tiny, unintended spheres of solder on a printed circuit board (PCB) following the reflow soldering process. These stray solder balls are more than a cosmetic issue; they pose a significant threat to the electronic assembly\u2019s reliability by creating potential for short circuits and other long-term failures. A thorough understanding of the root causes of solder balling is the foundational step toward implementing effective preventative measures and ensuring high-quality production outcomes. This defect often traces back to issues within three primary areas: the solder paste itself, the thermal profile of the reflow process, and the physical design of the stencil used for printing.<\/p>\n<h3 id=\"keycausesofsolderballing\">\u306f\u3093\u3060\u30dc\u30fc\u30eb\u306e\u4e3b\u306a\u539f\u56e0<\/h3>\n<p>\u306f\u3093\u3060\u30dc\u30fc\u30eb\u306e\u4e0d\u8981\u306a\u5f62\u6210\u306b\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u660e\u78ba\u306a\u8981\u56e0\u304c\u8003\u3048\u3089\u308c\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u3046\u3061\u3069\u308c\u304c\u539f\u56e0\u304b\u3092\u7279\u5b9a\u3059\u308b\u3053\u3068\u306f\u3001\u7d44\u7acb\u30e9\u30a4\u30f3\u3067\u306e\u52b9\u679c\u7684\u306a\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306b\u3068\u3063\u3066\u6975\u3081\u3066\u91cd\u8981\u3067\u3059\u3002<\/p>\n<ul>\n<li><strong>\u306f\u3093\u3060\u30da\u30fc\u30b9\u30c8\u4e2d\u306e\u6c34\u5206\uff1a<\/strong> Solder paste is hygroscopic, meaning it can absorb moisture from the ambient environment if it is not stored or handled with care. When the PCB enters the preheating stage of the reflow oven, this trapped moisture rapidly vaporizes into steam. The force of this expansion can forcefully eject small particles of solder from the main deposit, which then cool into isolated solder balls on the board\u2019s surface <a href=\"https:\/\/smt.iconnect007.com\/index.php\/article\/73395\/solder-balling-the-root-causes-and-remedies\/73400\/?skin=white_paper\">[\u51fa\u5178\uff1aiConnect007\uff3d<\/a>.\u7ba1\u7406\u3055\u308c\u305f\u51b7\u8535\u74b0\u5883\u3067\u306e\u9069\u5207\u306a\u4fdd\u7ba1\u3068\u3001\u958b\u5c01\u524d\u306b\u30da\u30fc\u30b9\u30c8\u3092\u5ba4\u6e29\u306b\u6163\u3089\u3059\u3053\u3068\u304c\u3001\u3053\u306e\u6c34\u5206\u306e\u51dd\u7e2e\u3092\u9632\u3050\u305f\u3081\u306e\u91cd\u8981\u306a\u30b9\u30c6\u30c3\u30d7\u3067\u3042\u308b\u3002<\/li>\n<li><strong>\u4e0d\u9069\u5207\u306a\u30ea\u30d5\u30ed\u30fc\u30fb\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\uff1a<\/strong> \u30ea\u30d5\u30ed\u30fc\u7089\u5185\u306e\u6e29\u5ea6\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u306f\u3001\u306f\u3093\u3060\u63a5\u5408\u90e8\u306e\u54c1\u8cea\u306b\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3059\u5fae\u5999\u306a\u30d0\u30e9\u30f3\u30b9\u3067\u3059\u3002\u4e88\u71b1\u306e\u6607\u6e29\u901f\u5ea6\u304c\u901f\u3059\u304e\u308b\u3068\u3001\u306f\u3093\u3060\u30da\u30fc\u30b9\u30c8\u5185\u306e\u6eb6\u5264\u304c\u7a4f\u3084\u304b\u306b\u84b8\u767a\u3059\u308b\u4ee3\u308f\u308a\u306b\u6fc0\u3057\u304f\u6cb8\u9a30\u3057\u307e\u3059\u3002\u3053\u306e\u30b9\u30d1\u30c3\u30bf\u30ea\u30f3\u30b0\u52b9\u679c\u306b\u3088\u308a\u3001\u306f\u3093\u3060\u7c92\u5b50\u304c\u610f\u56f3\u3057\u305f\u30d1\u30c3\u30c9\u304b\u3089\u6392\u51fa\u3055\u308c\u3001\u306f\u3093\u3060\u30dc\u30fc\u30eb\u306e\u767a\u751f\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002 <a href=\"https:\/\/www.assemblymag.com\/articles\/93788-solder-ball-troubleshooting\">[\u51fa\u5178\uff1a\u30a2\u30c3\u30bb\u30f3\u30d6\u30ea\u30fc\u30fb\u30de\u30ac\u30b8\u30f3\uff3d<\/a>.\u540c\u69d8\u306b\u3001\u4e0d\u9069\u5207\u306a\u30d4\u30fc\u30af\u6e29\u5ea6\u3084\u904e\u5ea6\u306e\u6025\u51b7\u5374\u306f\u3001\u306f\u3093\u3060\u306e\u9069\u5207\u306a\u5408\u4f53\u3092\u963b\u5bb3\u3057\u3001\u6b20\u9665\u306e\u539f\u56e0\u3068\u306a\u308a\u307e\u3059\u3002\u7406\u60f3\u7684\u306a\u30b5\u30fc\u30de\u30eb\u30d7\u30ed\u30bb\u30b9\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u6709\u76ca\u3067\u3059\u3002 <a href=\"https:\/\/www.chuxin-smt.com\/ja\/slug-mastering-the-pcb-reflow-temperature-profile-2\/\">PCB\u30ea\u30d5\u30ed\u30fc\u6e29\u5ea6\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u306e\u30de\u30b9\u30bf\u30fc<\/a>.<\/li>\n<li><strong>\u30bd\u30eb\u30c0\u30fc\u30da\u30fc\u30b9\u30c8\u3068\u30b9\u30c6\u30f3\u30b7\u30eb\u306e\u554f\u984c\uff1a<\/strong> \u30bd\u30eb\u30c0\u30fc\u30da\u30fc\u30b9\u30c8\u306e\u5370\u5237\u54c1\u8cea\u306f\u6700\u3082\u91cd\u8981\u3067\u3059\u3002\u4f7f\u7528\u671f\u9650\u5207\u308c\u3084\u8aa4\u3063\u305f\u53d6\u308a\u6271\u3044\u3092\u3055\u308c\u305f\u30bd\u30eb\u30c0\u30fc\u30da\u30fc\u30b9\u30c8\u306f\u9178\u5316\u304c\u9032\u307f\u3001\u30ea\u30d5\u30ed\u30fc\u6642\u306b\u5358\u4e00\u306e\u4e00\u4f53\u5316\u3057\u305f\u306f\u3093\u3060\u63a5\u5408\u3092\u5f62\u6210\u3059\u308b\u80fd\u529b\u304c\u4f4e\u4e0b\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u7269\u7406\u7684\u306a\u5370\u5237\u30d7\u30ed\u30bb\u30b9\u3082\u30a8\u30e9\u30fc\u306e\u4e00\u822c\u7684\u306a\u539f\u56e0\u3067\u3059\u3002\u30b9\u30c6\u30f3\u30b7\u30eb\u3068PCB\u30d1\u30c3\u30c9\u306e\u4f4d\u7f6e\u304c\u305a\u308c\u3066\u3044\u308b\u3068\u3001\u30da\u30fc\u30b9\u30c8\u304c\u30bd\u30eb\u30c0\u30fc\u30de\u30b9\u30af\u4e0a\u306b\u76f4\u63a5\u5806\u7a4d\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u4e7e\u71e5\u30da\u30fc\u30b9\u30c8\u3067\u6c5a\u308c\u305f\u30b9\u30c6\u30f3\u30b7\u30eb\u3082\u5370\u5237\u3092\u6c5a\u3057\u3001\u306f\u3093\u3060\u6b20\u9665\u306e\u539f\u56e0\u3068\u306a\u308b\u6d6e\u904a\u5806\u7a4d\u7269\u3092\u767a\u751f\u3055\u305b\u307e\u3059\u3002<\/li>\n<li><strong>PCB\u3068\u90e8\u54c1\u306e\u6c5a\u67d3\uff1a<\/strong> SMT\u30a2\u30bb\u30f3\u30d6\u30ea\u30fc\u3067\u306f\u3001\u30af\u30ea\u30fc\u30f3\u3055\u306f\u8b72\u308c\u306a\u3044\u6761\u4ef6\u3067\u3059\u3002PCB\u8868\u9762\u3084\u90e8\u54c1\u306e\u30ea\u30fc\u30c9\u306b\u5b58\u5728\u3059\u308b\u6cb9\u5206\u3001\u307b\u3053\u308a\u3001\u524d\u5de5\u7a0b\u306e\u6b8b\u7559\u7269\u306a\u3069\u306e\u6c5a\u67d3\u7269\u8cea\u306f\u3001\u30d0\u30ea\u30a2\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002\u3053\u306e\u30d0\u30ea\u30a2\u306f\u3001\u6eb6\u878d\u306f\u3093\u3060\u304c\u30d1\u30c3\u30c9\u3092\u9069\u5207\u306b\u6fe1\u3089\u3059\u3053\u3068\u3092\u59a8\u3052\u3001\u306f\u3093\u3060\u304c\u6d41\u308c\u3066\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u63a5\u7d9a\u3092\u5f62\u6210\u3059\u308b\u4ee3\u308f\u308a\u306b\u30dc\u30fc\u30eb\u30a2\u30c3\u30d7\u3059\u308b\u539f\u56e0\u3068\u306a\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3 id=\"actionablestrategiesforprevention\">\u4e88\u9632\u306e\u305f\u3081\u306e\u5b9f\u884c\u53ef\u80fd\u306a\u6226\u7565<\/h3>\n<p>\u306f\u3093\u3060\u30dc\u30fc\u30eb\u306e\u767a\u751f\u3092\u9632\u6b62\u3059\u308b\u306b\u306f\u3001\u30a2\u30bb\u30f3\u30d6\u30ea\u30d7\u30ed\u30bb\u30b9\u306b\u304a\u3051\u308b\u6f5c\u5728\u7684\u306a\u6545\u969c\u306e\u5404\u30dd\u30a4\u30f3\u30c8\u306b\u5bfe\u51e6\u3059\u308b\u5305\u62ec\u7684\u306a\u6226\u7565\u304c\u5fc5\u8981\u3067\u3059\u3002\u3053\u306e\u591a\u9762\u7684\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u306b\u3088\u308a\u3001\u5805\u7262\u3067\u518d\u73fe\u6027\u306e\u9ad8\u3044\u54c1\u8cea\u304c\u4fdd\u8a3c\u3055\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u5370\u5237\u5de5\u7a0b\u306e\u6700\u9069\u5316<\/strong> \u5341\u5206\u306b\u7ba1\u7406\u3055\u308c\u305f\u30b9\u30c6\u30f3\u30b7\u30eb\u5370\u5237\u5de5\u7a0b\u306f\u3001\u304a\u5ba2\u69d8\u306e\u7b2c\u4e00\u306e\u9632\u5fa1\u7dda\u3067\u3059\u3002\u3053\u308c\u306b\u306f\u3001\u30b9\u30c6\u30f3\u30b7\u30eb\u3068\u30d1\u30c3\u30c9\u306e\u30a2\u30e9\u30a4\u30e1\u30f3\u30c8\u3092\u5165\u5ff5\u306b\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3001\u30da\u30fc\u30b9\u30c8\u3092\u304d\u308c\u3044\u306b\u30ea\u30ea\u30fc\u30b9\u3059\u308b\u305f\u3081\u306b\u6b63\u3057\u3044\u30b9\u30ad\u30fc\u30b8\u5727\u3068\u901f\u5ea6\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3001\u30da\u30fc\u30b9\u30c8\u306e\u84c4\u7a4d\u3084\u6c5a\u308c\u3092\u9632\u3050\u305f\u3081\u306b\u53b3\u5bc6\u3067\u5b9a\u671f\u7684\u306a\u30b9\u30c6\u30f3\u30b7\u30eb\u30af\u30ea\u30fc\u30cb\u30f3\u30b0\u306e\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3092\u9075\u5b88\u3059\u308b\u3053\u3068\u306a\u3069\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/li>\n<li><strong>\u30ea\u30d5\u30ed\u30fc\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u3092\u5b8c\u6210\u3055\u305b\u308b\uff1a<\/strong> \u6ce8\u610f\u6df1\u304f\u8a2d\u8a08\u3055\u308c\u305f\u30ea\u30d5\u30ed\u30fc\u30fb\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u30d7\u30ea\u30d2\u30fc\u30c8\u6bb5\u968e\u3092\u3086\u3063\u304f\u308a\u3068\u7de9\u3084\u304b\u306b\u3059\u308b\u3053\u3068\u3067\u3001\u30da\u30fc\u30b9\u30c8\u4e2d\u306e\u63ee\u767a\u6027\u6eb6\u5264\u3092\u7a4f\u3084\u304b\u306b\u84b8\u767a\u3055\u305b\u3001\u306f\u3093\u3060\u30dc\u30fc\u30eb\u306e\u539f\u56e0\u3068\u306a\u308b\u30b9\u30d1\u30c3\u30bf\u30ea\u30f3\u30b0\u3092\u9632\u304e\u307e\u3059\u3002\u30bd\u30fc\u30af\u3001\u30ea\u30d5\u30ed\u30fc\u3001\u51b7\u5374\u30be\u30fc\u30f3\u3092\u542b\u3080\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u5168\u4f53\u3092\u5fae\u8abf\u6574\u3059\u308b\u3053\u3068\u3067\u3001\u9069\u5207\u306a\u306f\u3093\u3060\u5408\u4f53\u3092\u78ba\u4fdd\u3057\u3001\u6b20\u9665\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u5305\u62ec\u7684\u306a\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u4ee5\u4e0b\u306e\u30ac\u30a4\u30c9\u3092\u53c2\u7167\u3059\u308b\u3053\u3068\u3067\u898b\u3064\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 <a href=\"https:\/\/www.chuxin-smt.com\/ja\/reflow-oven-temperature-profiling-soldering-defect-solutions\/\">\u30ea\u30d5\u30ed\u30fc\u7089\u6e29\u5ea6\u30d7\u30ed\u30d5\u30a1\u30a4\u30ea\u30f3\u30b0\u3068\u306f\u3093\u3060\u4ed8\u3051\u4e0d\u826f\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3<\/a>.<\/li>\n<li><strong>\u7a92\u7d20\u96f0\u56f2\u6c17\u3092\u8003\u3048\u3066\u307f\u3088\u3046\uff1a<\/strong> \u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001\u30ea\u30d5\u30ed\u30fc\u7089\u306b\u4e0d\u6d3b\u6027\u7a92\u7d20\u96f0\u56f2\u6c17\u3092\u5c0e\u5165\u3059\u308b\u3053\u3068\u3067\u3001\u306f\u3093\u3060\u30dc\u30fc\u30eb\u306e\u767a\u751f\u3092\u5287\u7684\u306b\u6291\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u7a92\u7d20\u74b0\u5883\u306f\u3001\u9ad8\u6e29\u30ea\u30d5\u30ed\u30fc\u30d7\u30ed\u30bb\u30b9\u4e2d\u306e\u306f\u3093\u3060\u3001\u90e8\u54c1\u3001PCB\u30d1\u30c3\u30c9\u306e\u9178\u5316\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u512a\u308c\u305f\u6fe1\u308c\u6027\u3068\u5408\u4f53\u304c\u4fc3\u9032\u3055\u308c\u3001\u3088\u308a\u30af\u30ea\u30fc\u30f3\u306a\u306f\u3093\u3060\u63a5\u5408\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002\u306e\u5229\u70b9 <a href=\"https:\/\/www.chuxin-smt.com\/ja\/slug-a-comprehensive-guide-to-nitrogen-in-reflow-soldering\/\">\u30ea\u30d5\u30ed\u30fc\u306f\u3093\u3060\u4ed8\u3051\u306b\u304a\u3051\u308b\u7a92\u7d20\u306e\u4f7f\u7528<\/a> \u306f\u3001\u306f\u3093\u3060\u63a5\u5408\u90e8\u5168\u4f53\u306e\u54c1\u8cea\u3092\u5411\u4e0a\u3055\u305b\u3001\u6b20\u9665\u3092\u6e1b\u5c11\u3055\u305b\u308b\u3053\u3068\u306f\u3088\u304f\u77e5\u3089\u308c\u3066\u3044\u308b\u3002<\/li>\n<li><strong>\u6750\u6599\u306e\u6e05\u6d44\u5ea6\u3068\u53d6\u308a\u6271\u3044\u3092\u78ba\u5b9f\u306b\u3059\u308b\u3053\u3068\uff1a<\/strong> \u7d44\u7acb\u30e9\u30a4\u30f3\u306b\u5165\u308b\u524d\u306b\u3001\u3059\u3079\u3066\u306ePCB\u3068\u90e8\u54c1\u304c\u304d\u308c\u3044\u3067\u6c5a\u67d3\u7269\u8cea\u304c\u306a\u3044\u3053\u3068\u3092\u4fdd\u8a3c\u3059\u308b\u305f\u3081\u306b\u3001\u5f37\u529b\u306a\u54c1\u8cea\u7ba1\u7406\u5bfe\u7b56\u3092\u5b9f\u65bd\u3059\u308b\u3002\u307e\u305f\u3001\u306f\u3093\u3060\u4ed8\u3051\u6027\u3092\u640d\u306a\u3046\u7570\u7269\u306e\u6df7\u5165\u3092\u9632\u3050\u306b\u306f\u3001\u88fd\u9020\u5de5\u7a0b\u5168\u4f53\u3092\u901a\u3057\u3066\u9069\u5207\u306a\u53d6\u308a\u6271\u3044\u624b\u9806\u3092\u5b9f\u65bd\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/li>\n<\/ul>\n<h2 id=\"therisksandconsequencesofsolderballing\">\u306f\u3093\u3060\u30dc\u30fc\u30eb\u306e\u30ea\u30b9\u30af\u3068\u7d50\u679c<\/h2>\n<p>\u306f\u3093\u3060\u30dc\u30fc\u30eb\u306f\u3001\u306f\u3093\u3060\u4ed8\u3051\u4e2d\u306b\u767a\u751f\u3059\u308b\u3002 <a href=\"https:\/\/www.chuxin-smt.com\/ja\/slug-a-deep-dive-into-the-reflow-soldering-process\/\">\u30ea\u30d5\u30ed\u30fc\u306f\u3093\u3060\u4ed8\u3051\u30d7\u30ed\u30bb\u30b9<\/a>\u3053\u306e\u3088\u3046\u306a\u4e0d\u8981\u306f\u3093\u3060\u306f\u3001\u96fb\u5b50\u90e8\u54c1\u30a2\u30bb\u30f3\u30d6\u30ea\u306e\u4fe1\u983c\u6027\u3001\u6027\u80fd\u3001\u304a\u3088\u3073\u9577\u671f\u7684\u306a\u5b9f\u884c\u53ef\u80fd\u6027\u3092\u8457\u3057\u304f\u640d\u306a\u3046\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306a\u4e0d\u8981\u306a\u306f\u3093\u3060\u30b9\u30d5\u30a7\u30a2\u306f\u3001\u751f\u7523\u30e9\u30a4\u30f3\u3067\u306e\u5373\u6642\u7684\u306a\u554f\u984c\u304b\u3089\u3001\u88fd\u54c1\u304c\u9867\u5ba2\u306e\u624b\u5143\u306b\u5c4a\u3044\u3066\u304b\u3089\u9577\u3044\u6642\u9593\u3092\u7d4c\u3066\u9855\u5728\u5316\u3059\u308b\u6f5c\u5728\u7684\u306a\u52d5\u4f5c\u4e0a\u306e\u554f\u984c\u307e\u3067\u3001\u4e0d\u5177\u5408\u306e\u9023\u9396\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u6700\u3082\u76f4\u63a5\u7684\u3067\u91cd\u5927\u306a\u30ea\u30b9\u30af\u306e\u4e00\u3064\u306f\u3001\u96fb\u6c17\u7684\u30b7\u30e7\u30fc\u30c8\u306e\u767a\u751f\u3067\u3042\u308b\u3002\u4e00\u3064\u306e\u306f\u3093\u3060\u30dc\u30fc\u30eb\u304c\u5916\u308c\u3066\u3001\u96c6\u7a4d\u56de\u8def\u306e\u30d5\u30a1\u30a4\u30f3\u30d4\u30c3\u30c1\u30fb\u30ea\u30fc\u30c9\u306e\u3088\u3046\u306a\u96a3\u63a5\u3059\u308b\u4e8c\u3064\u306e\u5c0e\u4f53\u9593\u306e\u30ae\u30e3\u30c3\u30d7\u3092\u57cb\u3081\u308b\u3053\u3068\u304c\u3042\u308b\u3002\u3053\u308c\u306b\u3088\u308a\u610f\u56f3\u3057\u306a\u3044\u96fb\u6c17\u7d4c\u8def\u304c\u5f62\u6210\u3055\u308c\u3001\u90e8\u54c1\u3084\u56de\u8def\u5168\u4f53\u304c\u5373\u5ea7\u306b\u8aa4\u52d5\u4f5c\u3059\u308b\u3002\u3053\u306e\u3088\u3046\u306a\u30b7\u30e7\u30fc\u30c8\u306f\u65ad\u7d9a\u7684\u3067\u3001\u6e29\u5ea6\u3084\u632f\u52d5\u306e\u5909\u5316\u306b\u3088\u3063\u3066\u73fe\u308c\u305f\u308a\u6d88\u3048\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u591a\u304f\u3001\u8a3a\u65ad\u3084\u4fee\u7406\u304c\u96e3\u3057\u3044\u3053\u3068\u3067\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u6642\u9593\u306e\u5897\u52a0\u3001\u624b\u76f4\u3057\u30b3\u30b9\u30c8\u306e\u5897\u52a0\u3001\u751f\u7523\u6b69\u7559\u307e\u308a\u306e\u4f4e\u4e0b\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002\u95a2\u9023\u3059\u308b\u554f\u984c\u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001\u4ee5\u4e0b\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002 <a href=\"https:\/\/www.chuxin-smt.com\/ja\/analysis-repair-common-selective-soldering-defects\/\">\u4e00\u822c\u7684\u306a\u9078\u629e\u306f\u3093\u3060\u4ed8\u3051\u4e0d\u826f\u306e\u5206\u6790\u3068\u4fee\u7406<\/a>.<\/p>\n<p>\u306f\u3093\u3060\u30dc\u30fc\u30eb\u306f\u76f4\u63a5\u77ed\u7d61\u3092\u5f15\u304d\u8d77\u3053\u3059\u3060\u3051\u3067\u306a\u304f\u3001\u9ad8\u5468\u6ce2\u3084\u9ad8\u901f\u306e\u30c7\u30b8\u30bf\u30eb\u56de\u8def\u3067\u91cd\u8981\u306a\u61f8\u5ff5\u4e8b\u9805\u3067\u3042\u308b\u30b7\u30b0\u30ca\u30eb\u30fb\u30a4\u30f3\u30c6\u30b0\u30ea\u30c6\u30a3\u3092\u52a3\u5316\u3055\u305b\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002\u3053\u306e\u3088\u3046\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001\u4f1d\u9001\u7dda\u306e\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u3092\u6b63\u78ba\u306b\u5236\u5fa1\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30c8\u30ec\u30fc\u30b9\u4ed8\u8fd1\u306e\u5c0f\u3055\u306a\u306f\u3093\u3060\u30dc\u30fc\u30eb\u306e\u914d\u7f6e\u30df\u30b9\u3067\u3055\u3048\u3001\u3053\u306e\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u3092\u5909\u5316\u3055\u305b\u3001\u4fe1\u53f7\u306e\u53cd\u5c04\u3001\u30ce\u30a4\u30ba\u306e\u5897\u52a0\u3001\u30c7\u30fc\u30bf\u30fb\u30a8\u30e9\u30fc\u3001\u305d\u3057\u3066\u5168\u4f53\u7684\u306a\u6027\u80fd\u4f4e\u4e0b\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u96fb\u6c17\u901a\u4fe1\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u30fb\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u3001\u5148\u9032\u904b\u8ee2\u652f\u63f4\u30b7\u30b9\u30c6\u30e0\uff08ADAS\uff09\u306a\u3069\u3001\u5b8c\u74a7\u306a\u9ad8\u901f\u30c7\u30fc\u30bf\u8ee2\u9001\u306b\u4f9d\u5b58\u3059\u308b\u73fe\u4ee3\u306e\u96fb\u5b50\u6a5f\u5668\u306b\u304a\u3044\u3066\u3001\u81f4\u547d\u7684\u306a\u554f\u984c\u3068\u306a\u308a\u3046\u308b\u3002<\/p>\n<p>Perhaps the most insidious danger is the threat to long-term product reliability. Over the product\u2019s lifespan, environmental factors like thermal cycling, vibration, and mechanical stress can cause solder balls to detach from their initial location. A dislodged solder ball can then move freely within the electronic assembly, becoming a \u201cticking time bomb.\u201d This mobile particle can cause a latent failure by shorting out different components long after the product has passed final testing and has been deployed in the field. Such failures not only lead to costly warranty claims and product recalls but can also inflict severe damage to a brand\u2019s reputation for quality and reliability. Therefore, controlling the factors that cause solder balls, such as maintaining a proper <a href=\"https:\/\/www.chuxin-smt.com\/ja\/reflow-oven-temperature-profiling-soldering-defect-solutions\/\">\u30ea\u30d5\u30ed\u30fc\u7089\u6e29\u5ea6\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb<\/a>\u88fd\u54c1\u3092\u9577\u6301\u3061\u3055\u305b\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3042\u308b\u3002<\/p>\n<h2 id=\"advancedcontrolmethodsandrealworldcasestudies\">\u9ad8\u5ea6\u306a\u5236\u5fa1\u65b9\u6cd5\u3068\u5b9f\u969b\u306e\u30b1\u30fc\u30b9\u30b9\u30bf\u30c7\u30a3<\/h2>\n<p>In today\u2019s advanced manufacturing environments, controlling defects like solder balling requires a sophisticated and data-driven approach. Beyond the fundamentals, specific technical details related to stencil design and process optimization can provide a higher level of control and significantly reduce defect rates.<\/p>\n<p>\u7279\u306b\u30b9\u30c6\u30f3\u30b7\u30eb\u8a2d\u8a08\u306f\u3001\u3057\u3070\u3057\u3070\u904e\u5c0f\u8a55\u4fa1\u3055\u308c\u308b\u6975\u3081\u3066\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3059\u3002\u30b9\u30c6\u30f3\u30b7\u30eb\u958b\u53e3\u90e8\u306e\u30a2\u30b9\u30da\u30af\u30c8\u6bd4\u3068\u9762\u7a4d\u6bd4\u306f\u3001\u304d\u308c\u3044\u306a\u30da\u30fc\u30b9\u30c8\u30ea\u30ea\u30fc\u30b9\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002\u30d5\u30a1\u30a4\u30f3\u30d4\u30c3\u30c1\u90e8\u54c1\u3067\u306f\u3001\u30a2\u30b9\u30da\u30af\u30c8\u6bd4\uff08\u958b\u53e3\u5e45\u00f7\u30b9\u30c6\u30f3\u30b7\u30eb\u539a\u3055\uff09\u30921.5\u4ee5\u4e0a\u306b\u3059\u308b\u3053\u3068\u304c\u5e83\u304f\u63a8\u5968\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u5f62\u72b6\u306f\u3001\u306f\u3093\u3060\u30da\u30fc\u30b9\u30c8\u304c\u958b\u53e3\u90e8\u306e\u58c1\u306b\u4ed8\u7740\u3059\u308b\u306e\u3092\u9632\u304e\u3001\u30d1\u30c3\u30c9\u4e0a\u306b\u5b8c\u5168\u3067\u660e\u78ba\u306a\u30c7\u30dd\u30b8\u30c3\u30c8\u3092\u78ba\u4fdd\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002 <a href=\"https:\/\/www.assemblymag.com\/articles\/93784-solder-paste-printing-part-2-how-to-prevent-and-troubleshoot-common-defects\">[\u51fa\u5178\uff1a\u30a2\u30c3\u30bb\u30f3\u30d6\u30ea\u30fc\u30fb\u30de\u30ac\u30b8\u30f3\uff3d<\/a>.\u30b9\u30c6\u30f3\u30b7\u30eb\u4e0a\u306e\u30c6\u30fc\u30d1\u30fc\u4ed8\u304d\u958b\u53e3\u58c1\u3084\u7279\u6b8a\u306a\u30ca\u30ce\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u306f\u3001\u30da\u30fc\u30b9\u30c8\u306e\u8ee2\u5199\u52b9\u7387\u3092\u3055\u3089\u306b\u9ad8\u3081\u3001\u30dc\u30fc\u30ea\u30f3\u30b0\u306b\u3064\u306a\u304c\u308b\u6d6e\u904a\u306f\u3093\u3060\u306e\u53ef\u80fd\u6027\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3 id=\"casestudy1automotiveelectronicsmanufacturer\">\u30b1\u30fc\u30b9\u30b9\u30bf\u30c7\u30a31\uff1a\u30ab\u30fc\u30a8\u30ec\u30af\u30c8\u30ed\u30cb\u30af\u30b9\u30fb\u30e1\u30fc\u30ab\u30fc<\/h3>\n<p>\u3042\u308b\u81ea\u52d5\u8eca\u7528\u96fb\u5b50\u6a5f\u5668\u30e1\u30fc\u30ab\u30fc\u306f\u3001PCB\u4e0a\u306e\u306f\u3093\u3060\u30dc\u30fc\u30eb\u306e\u767a\u751f\u7387\u304c\u8a31\u5bb9\u3067\u304d\u306a\u3044\u307b\u3069\u9ad8\u304f\u3001\u30b3\u30b9\u30c8\u306e\u304b\u304b\u308b\u518d\u52a0\u5de5\u3092\u4f59\u5100\u306a\u304f\u3055\u308c\u3001\u91cd\u8981\u306a\u30b7\u30b9\u30c6\u30e0\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u4e0d\u5177\u5408\u306e\u53ef\u80fd\u6027\u304c\u61f8\u5ff5\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u5de5\u7a0b\u76e3\u67fb\u306e\u7d50\u679c\u3001\u540c\u793e\u306e\u30bd\u30eb\u30c0\u30fc\u30da\u30fc\u30b9\u30c8\u306f\u7ba1\u7406\u3055\u308c\u3066\u3044\u306a\u3044\u74b0\u5883\u3067\u4fdd\u7ba1\u3055\u308c\u3066\u304a\u308a\u3001\u6e29\u5ea6\u3068\u6e7f\u5ea6\u306e\u5909\u52d5\u306b\u3055\u3089\u3055\u308c\u3066\u3044\u305f\u3053\u3068\u304c\u5224\u660e\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u3053\u306e\u662f\u6b63\u63aa\u7f6e\u3067\u306f\u3001\u53b3\u683c\u306a\u4fdd\u7ba1\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u5b9f\u65bd\u3057\u305f\u3002\u3053\u308c\u306b\u306f\u3001\u3059\u3079\u3066\u306e\u30bd\u30eb\u30c0\u30fc\u30da\u30fc\u30b9\u30c8\u3092\u51b7\u8535\u4fdd\u7ba1\u3057\u3001\u4f7f\u7528\u524d\u306b\u5bc6\u9589\u5bb9\u5668\u30674\u6642\u9593\u306e\u9806\u5316\u671f\u9593\u3092\u8a2d\u3051\u308b\u3053\u3068\u304c\u542b\u307e\u308c\u305f\u3002\u958b\u5c01\u524d\u306b\u30da\u30fc\u30b9\u30c8\u3092\u5e38\u6e29\u306b\u3059\u308b\u3053\u3068\u3067\u3001\u6c34\u5206\u306e\u51dd\u7e2e\u3092\u9632\u3044\u3060\u3002\u3053\u308c\u3068\u540c\u6642\u306b 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id=\"sources\">\u60c5\u5831\u6e90<\/h2>\n<ul>\n<li>Assembly Magazine \u2013 Solder Ball Troubleshooting<\/li>\n<li>Assembly Magazine \u2013 Solder Paste Printing Part 2: <a href=\"\/ja\/[https:\/\/www.chuxin-smt.com\/top-causes-smt-soldering-defects-and-prevention-tips\/](https:\/\/www.chuxin-smt.com\/top-causes-smt-soldering-defects-and-prevention-tips\/)\/\">How to Prevent and Troubleshoot Common Defects<\/a><\/li>\n<li>iConnect007 \u2013 Solder Balling: The Root Causes and Remedies<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Understanding the Root Causes and Prevention of Solder Balling Solder balling is a prevalent defect in Surface Mount Technology (SMT) [&hellip;]<\/p>","protected":false},"author":1,"featured_media":3308,"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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