{"id":4283,"date":"2026-03-23T11:12:51","date_gmt":"2026-03-23T03:12:51","guid":{"rendered":"https:\/\/www.chuxin-smt.com\/nitrogen-reflow-oven-checklist-pre-rfq\/"},"modified":"2026-03-23T11:12:51","modified_gmt":"2026-03-23T03:12:51","slug":"nitrogen-reflow-oven-checklist-pre-rfq","status":"publish","type":"post","link":"https:\/\/www.chuxin-smt.com\/ja\/nitrogen-reflow-oven-checklist-pre-rfq\/","title":{"rendered":"Nitrogen Reflow Oven Manufacturer Checklist: What Buyers Review Before Requesting a Quote"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1536\" height=\"1024\" src=\"https:\/\/www.chuxin-smt.com\/wp-content\/uploads\/2026\/03\/1774235569-image_1774234908-2lnktggr.jpeg\" alt=\"Minimalist engineering infographic showing a nitrogen reflow oven schematic with O2 ppm bands, \u0394T target, nitrogen flow, and kWh per board formula.\" class=\"wp-image-4281\" srcset=\"https:\/\/www.chuxin-smt.com\/wp-content\/uploads\/2026\/03\/1774235569-image_1774234908-2lnktggr.jpeg 1536w, https:\/\/www.chuxin-smt.com\/wp-content\/uploads\/2026\/03\/1774235569-image_1774234908-2lnktggr-300x200.jpeg 300w, https:\/\/www.chuxin-smt.com\/wp-content\/uploads\/2026\/03\/1774235569-image_1774234908-2lnktggr-1024x683.jpeg 1024w, https:\/\/www.chuxin-smt.com\/wp-content\/uploads\/2026\/03\/1774235569-image_1774234908-2lnktggr-768x512.jpeg 768w, https:\/\/www.chuxin-smt.com\/wp-content\/uploads\/2026\/03\/1774235569-image_1774234908-2lnktggr-18x12.jpeg 18w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" title=\"Nitrogen Reflow Oven Manufacturer Checklist: What Buyers Review Before Requesting a Quote - S&amp;M Co.Ltd\" \/><\/figure>\n\n\n\n<p>If you\u2019re shortlisting vendors, here\u2019s the deal: the hero metric is total cost of ownership. Your nitrogen reflow oven will quietly compound costs through energy draw, nitrogen consumption, and maintenance labor\u2014or save you a fortune if it\u2019s engineered and run right. Use this 12\u2011point, pre\u2011RFQ nitrogen reflow oven checklist to triage suppliers fast, with benchmark ranges and one\u2011line demo tests you can ask them to run.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">The 12\u2011Point Nitrogen Reflow Oven Checklist (Pre\u2011RFQ)<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><p>O2 control and analyzer behavior<\/p><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>What it is: Inerting quality during reflow; lower O2 can reduce oxidation and help wetting\/void control.<\/p><\/li><li><p>Benchmarks: Standard production often targets 100\u2013500 ppm; cost\u2011sensitive builds may run 500\u20131,000 ppm; premium vacuum\u2011assist classes may reach \u226425 ppm O2 at reflow peak according to the 2046 vacuum family specs from Heller Industries (example of class capability). See: <a target=\"_blank\" rel=\"nofollow\" class=\"link\" href=\"https:\/\/hellerindustries.com\/2046-vacuum-reflow-dual-lane\"><strong>Heller\u2019s 2046 vacuum dual\u2011lane page<\/strong><\/a>.<\/p><\/li><li><p>One\u2011line verification: Purge to steady state, then log O2 at peak zone and in\/out tunnels for 30\u201360 minutes; confirm it holds target band without &gt;\u00b110 ppm oscillation at fixed N2 flow (record flow and O2 together).<\/p><\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li><p>Cross\u2011belt thermal uniformity (\u0394T)<\/p><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>What it is: Temperature spread across the PCB at peak\/soak; tighter \u0394T improves repeatability and FPY.<\/p><\/li><li><p>Benchmarks: Aim for \u2264\u00b12\u20133 \u00b0C at peak on representative boards; up to \u00b14 \u00b0C may be acceptable on very heavy designs pending DOE.<\/p><\/li><li><p>One\u2011line verification: Run a 6\u20139\u2011TC profile (center, corners, edges, near BGAs) and report \u0394T at peak and soak; repeat three times to check repeatability. Methods overview: <a target=\"_blank\" rel=\"nofollow\" class=\"link\" href=\"https:\/\/www.allpcb.com\/allelectrohub\/the-ultimate-guide-to-thermal-profiling-in-smt-assembly-optimizing-reflow-for-peak-performance\"><strong>ALLPCB\u2019s thermal profiling guide<\/strong><\/a>.<\/p><\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li><p>Profiling compatibility and TC access<\/p><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>What it is: Practical support for K\u2011type thermocouples, dataloggers, and PWI\u2011style analysis so you can prove your window (ramp, soak, TAL, peak).<\/p><\/li><li><p>Benchmarks: K\u2011type TC ports or pass\u2011throughs; easy recipe export; compatibility with mainstream profilers (Datapaq, KIC, Solderstar) and CSV exports.<\/p><\/li><li><p>One\u2011line verification: Demonstrate a live profiler run and export the raw CSV; confirm timestamps, TC names, and calibration date. Profiler example: <a target=\"_blank\" rel=\"nofollow\" class=\"link\" href=\"https:\/\/www.flukeprocessinstruments.com\/en-us\/products\/thermal-profiling-systems\/datapaq-reflow-tracker-system\/reflow-tracker\"><strong>Datapaq Reflow Tracker overview<\/strong><\/a>.<\/p><\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li><p>Nitrogen consumption and cost per board<\/p><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>What it is: Flow rate required to hold your O2 setpoint; directly drives OpEx.<\/p><\/li><li><p>Benchmarks: Inline convection ovens commonly operate in the ~15\u201335 m\u00b3\/h band depending on size and sealing; smaller 6\u2011zone can be ~15\u201320 m\u00b3\/h; larger 9\u201310\u2011zone ~25\u201335 m\u00b3\/h. Reference ranges: <a target=\"_blank\" rel=\"nofollow\" class=\"link\" href=\"https:\/\/smtmachineline.com\/how-much-nitrogen-is-consumed-in-smt-reflow-oven\/\"><strong>nitrogen consumption bands explained<\/strong><\/a>.<\/p><\/li><li><p>One\u2011line verification: With O2 held at your target, read the N2 flow meter for 30 minutes and compute $\/PCB = (m\u00b3\/h \u00d7 $\/m\u00b3) \u00f7 PCB\/h at your takt (log all three values).<\/p><\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"5\">\n<li><p>Energy consumption and kWh per board<\/p><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>What it is: Real running power under load; a major TCO lever.<\/p><\/li><li><p>Benchmarks: Installed power can be high, but steady running draw in production often lands around 10\u201315 kW for mid\/large frames; verify on your load.<\/p><\/li><li><p>One\u2011line verification: Use a power logger during a one\u2011hour run (exclude warm\u2011up). kWh\/board = (kWavg \u00d7 hours) \u00f7 boards. Example: 12 kW \u00d7 1.0 h \u00f7 200 boards = 0.06 kWh\/board.<\/p><\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"6\">\n<li><p>Zones, control resolution, and accuracy<\/p><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>What it is: Thermal architecture that enables stable, repeatable profiles across your mix.<\/p><\/li><li><p>Benchmarks: 8\u201312 heating zones plus 2\u20134 cooling; closed\u2011loop PID; setpoint resolution ~0.1 \u00b0C; practical temperature accuracy \u00b11 \u00b0C; range RT\u2013350 \u00b0C.<\/p><\/li><li><p>One\u2011line verification: Change a zone setpoint by 5 \u00b0C and log time\u2011to\u2011stability and overshoot; confirm stability within \u00b11 \u00b0C for 20 minutes.<\/p><\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"7\">\n<li><p>Conveyor performance and line compatibility<\/p><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>What it is: Speed stability, width support, and handshakes with upstream\/downstream equipment (transfer reliability guards Takt and OEE).<\/p><\/li><li><p>Benchmarks: Speed range about 0.5\u20132.0 m\/min with \u00b12% stability; SMEMA legacy signals required; consider modern digital handover.<\/p><\/li><li><p>One\u2011line verification: Measure conveyor speed via encoder for 15 minutes; confirm \u00b12% stability and successful handshakes. For next\u2011gen handover, review <a target=\"_blank\" rel=\"nofollow\" class=\"link\" href=\"https:\/\/www.the-hermes-standard.info\/wp-content\/uploads\/IPC-Hermes-9852_BasicSummary.pdf\"><strong>The Hermes Standard (IPC\u2011HERMES\u20119852) basic summary<\/strong><\/a>.<\/p><\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"8\">\n<li><p>Data logging, exports, and retention<\/p><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>What it is: Audit\u2011ready traceability for regulated sectors and continuous improvement.<\/p><\/li><li><p>Benchmarks: Real\u2011time charts plus export via CSV\/OPC UA\/API; time sync to plant standard; fields include job\/board ID, recipe, operator, O2 avg\/peak, \u0394T, alarms; retention per quality plan (often years).<\/p><\/li><li><p>One\u2011line verification: Export a sample dataset (CSV\/API) from a demo run; confirm schema, timestamps, and field completeness against your MES spec.<\/p><\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"9\">\n<li><p>Safety systems and certifications<\/p><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>What it is: Protects operators and facilities; typically required by corporate EHS.<\/p><\/li><li><p>Benchmarks: E\u2011stops; door\/lid interlocks; thermal over\u2011temp protection; nitrogen system safeguards with O2 alarms; exhaust\/ventilation for flux volatiles; CE\/UL marks as applicable.<\/p><\/li><li><p>One\u2011line verification: Demonstrate interlock and E\u2011stop response; show safety checklist and last calibration\/certification records.<\/p><\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"10\">\n<li><p>Vacuum reflow option and void mitigation<\/p><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>What it is: An optional vacuum stage around liquidus to reduce voids on BGAs\/large thermal pads.<\/p><\/li><li><p>Benchmarks: Vendors cite void reductions when vacuum timing is tuned; premium classes pair low O2 with vacuum (sub\u201150 ppm is feasible in some designs). Capability context: <a target=\"_blank\" rel=\"nofollow\" class=\"link\" href=\"https:\/\/hellerindustries.com\/2046-vacuum-reflow-dual-lane\"><strong>Heller vacuum dual\u2011lane example<\/strong><\/a>.<\/p><\/li><li><p>One\u2011line verification: If vacuum is in scope, run a DOE on your board and compare X\u2011ray void metrics to your IPC\/ customer criteria.<\/p><\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"11\">\n<li><p>Maintainability, PM intervals, and spares<\/p><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>What it is: How easily your team keeps the oven clean, calibrated, and online\u2014directly tied to uptime and labor cost.<\/p><\/li><li><p>Benchmarks: Tool\u2011less access for flux filters and panels; documented daily\/weekly\/monthly\/annual PM checklist; recommended spares (belt, filters, heater elements, blower motors, O2 sensor).<\/p><\/li><li><p>One\u2011line verification: Review the OEM PM schedule and perform a mock filter change; confirm MTTR targets and spares lead times. Practical SOPs: <a target=\"_self\" rel=\"follow\" class=\"link\" href=\"https:\/\/www.chuxin-smt.com\/ja\/slug-essential-reflow-oven-maintenance-a-complete-guide-to-performance-and-longevity\/\"><strong>essential reflow oven maintenance guide<\/strong><\/a>.<\/p><\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\" start=\"12\">\n<li><p>Acceptance testing (FAT) and pass\/fail gates<\/p><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>What it is: Your proof before shipment that the oven can meet process and cost targets.<\/p><\/li><li><p>Benchmarks: Define pass\/fail: O2 band (e.g., \u2264100 ppm for high\u2011rel lines), \u0394T \u2264\u00b13 \u00b0C on representative board, profile within paste TDS, conveyor speed within tolerance, data\/export test passed, safety checks documented.<\/p><\/li><li><p>One\u2011line verification: Run the scripted FAT below and sign off only when each gate is met with logs and raw files attached.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Quick FAT \/ Demo Script<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><p>Warm up to steady state; record time to readiness and recipe details.<\/p><\/li><li><p>Set nitrogen flow to the vendor\u2019s proposed minimum; start O2 logging at entrance, peak, and exit.<\/p><\/li><li><p>Run three back\u2011to\u2011back profiles with 6\u20139 TCs; compute \u0394T at soak\/peak and confirm profile vs your paste TDS.<\/p><\/li><li><p>Log conveyor speed via encoder for 15 minutes; confirm \u00b12% stability.<\/p><\/li><li><p>Measure nitrogen flow for 30 minutes; compute $\/board using your gas price and takt.<\/p><\/li><li><p>Log power consumption for 60 minutes under load; compute kWh\/board using your utility tariff.<\/p><\/li><li><p>Export all run data (CSV\/API); verify schema and timestamps against MES requirements.<\/p><\/li><li><p>If vacuum is in scope, execute a short DOE and X\u2011ray sample to compare void metrics against your criteria.<\/p><\/li><li><p>Demonstrate interlocks, E\u2011stops, and alarm behavior; capture calibration records.<\/p><\/li><li><p>Conduct a mock filter change and inspect access points; review spares list and lead times.<\/p><\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">TCO Micro\u2011Workbook: From Flow and kW to Cost\u2011Per\u2011Board<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Nitrogen cost\/board: $\/PCB_N2 = (Flow m\u00b3\/h \u00d7 Gas price $\/m\u00b3) \u00f7 (Boards\/h)<\/p><\/li><li><p>Energy cost\/board: $\/PCB_kWh = (kWavg \u00d7 $\/kWh) \u00f7 (Boards\/h)<\/p><\/li><li><p>Maintenance cost\/board: $\/PCB_PM = (PM labor hrs\/yr \u00d7 $\/hr + spares $\/yr) \u00f7 (Boards\/yr)<\/p><\/li><li><p>Total: $\/PCB_total = $\/PCB_N2 + $\/PCB_kWh + $\/PCB_PM (optionally add yield effects)<\/p><\/li>\n<\/ul>\n\n\n\n<p>Worked example (illustrative):<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Inputs: Flow 25 m\u00b3\/h; Gas $0.70\/m\u00b3; Throughput 500 boards\/h; kWavg 12; Electricity $0.12\/kWh; PM labor 120 hrs\/yr at $45\/hr; spares $2,500\/yr; 2 shifts \u2192 4,000 hrs\/yr \u2192 1,000,000 boards\/yr.<\/p><\/li><li><p>Calculations:<\/p><ul><li><p>$\/PCB_N2 = (25 \u00d7 0.70) \u00f7 500 = $0.035<\/p><\/li><li><p>$\/PCB_kWh = (12 \u00d7 0.12) \u00f7 500 = $0.00288<\/p><\/li><li><p>$\/PCB_PM = (120\u00d745 + 2,500) \u00f7 1,000,000 = $0.0089<\/p><\/li><li><p>$\/PCB_total \u2248 $0.0468<\/p><\/li><\/ul><\/li>\n<\/ul>\n\n\n\n<p>Use your facility\u2019s actual gas\/electric tariffs and takt. For methodology and ranges, see the contextual <a target=\"_blank\" rel=\"nofollow\" class=\"link\" href=\"https:\/\/smtmachineline.com\/how-much-nitrogen-is-consumed-in-smt-reflow-oven\/\"><strong>nitrogen consumption explainer<\/strong><\/a>. If you need a deeper primer on flow targeting and optimization, this internal guide may help: <a target=\"_self\" rel=\"follow\" class=\"link\" href=\"https:\/\/www.chuxin-smt.com\/ja\/nitrogen-usage-in-reflow-oven-how-much-nitrogen-is-needed\/\"><strong>Nitrogen usage in reflow ovens<\/strong><\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Practical Example: Validating O2, \u0394T, and Cost\u2011Per\u2011Board in a Vendor Demo<\/h2>\n\n\n\n<p>On a vendor floor trial, we start by defining acceptance bands: O2 \u2264200 ppm for the target build, \u0394T \u2264\u00b13 \u00b0C at peak, N2 $\/board \u2264$0.04 at the quoted takt. We connect a Datapaq profiler and place 8 TCs across a representative assembly, then enable continuous O2 logging at the entrance, peak, and exit. After a 30\u2011minute steady\u2011state run, we record N2 flow and average power to compute cost\/board. With an oven like <a target=\"_self\" rel=\"follow\" class=\"link\" href=\"https:\/\/www.chuxin-smt.com\/ja\/\"><strong>S&amp;M Co.Ltd<\/strong><\/a> nitrogen models that support integrated O2 monitoring and straightforward profiling workflows, this validation can be completed in under two hours. The key is to export the raw CSV\/API data, attach screenshots, and lock the recipe so the same conditions can be reproduced during FAT at your site.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">FAQ: Fast Answers for Procurement and Process Teams<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>How do I evaluate O2 ppm in a vendor demo? Ask the supplier to log O2 at peak and at both tunnels for 30\u201360 minutes at your target recipe. Map stability versus N2 flow. If possible, use a roaming shuttle or multi\u2011point analyzer to identify leaks. For a structured profiling approach, see the <a target=\"_blank\" rel=\"nofollow\" class=\"link\" href=\"https:\/\/www.allpcb.com\/allelectrohub\/the-ultimate-guide-to-thermal-profiling-in-smt-assembly-optimizing-reflow-for-peak-performance\"><strong>ALLPCB thermal profiling overview<\/strong><\/a>.<\/p><\/li><li><p>What\u2019s an acceptable \u0394T across the board? A practical pass gate is \u2264\u00b12\u20133 \u00b0C at peak on your representative board and \u2264\u00b14 \u00b0C on very heavy designs, provided profiles sit within paste TDS windows. For fundamentals, review our <a target=\"_self\" rel=\"follow\" class=\"link\" href=\"https:\/\/www.chuxin-smt.com\/ja\/slug-an-in-depth-guide-to-the-reflow-profile\/\"><strong>in\u2011depth profile guide<\/strong><\/a>.<\/p><\/li><li><p>How do I turn nitrogen flow into cost per board? Use $\/PCB_N2 = (m\u00b3\/h \u00d7 $\/m\u00b3) \u00f7 boards\/h and verify the flow while holding your O2 target. Normalize to your takt; per\u2011hour costs alone can mislead. See the ranges in the <a target=\"_blank\" rel=\"nofollow\" class=\"link\" href=\"https:\/\/smtmachineline.com\/how-much-nitrogen-is-consumed-in-smt-reflow-oven\/\"><strong>nitrogen consumption explainer<\/strong><\/a>.<\/p><\/li><li><p>Which integration signals should be mandatory today? Require SMEMA for basic handshakes; request IPC\u2011HERMES\u20119852 for digital handover and board metadata, and plan for IPC\u2011CFX (IPC\u20112591) or OPC UA for factory\u2011level events and MES integration. A concise overview lives in <a target=\"_blank\" rel=\"nofollow\" class=\"link\" href=\"https:\/\/www.the-hermes-standard.info\/wp-content\/uploads\/IPC-Hermes-9852_BasicSummary.pdf\"><strong>The Hermes Standard basic summary<\/strong><\/a>.<\/p><\/li><li><p>Do I need vacuum reflow? Only if X\u2011ray shows void metrics that violate your criteria on BGAs\/large thermal pads after you\u2019ve optimized profiles and O2. Vacuum timing around liquidus can help; validate via DOE on your product.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Next steps<\/h2>\n\n\n\n<p>Want the one\u2011page pre\u2011RFQ nitrogen reflow oven checklist, an extended spec sheet with thresholds, and a weighted scorecard? Request the downloadable templates or a non\u2011promotional demo checklist, and we\u2019ll send over the files so you can run the same gates during vendor trials.<\/p>\n\n\n\n<div><div data-widget-id=\"ef658dc1-8e30-4897-b71f-cf298c5a3662\" data-mode=\"production\"><\/div><\/div>\n\n\n\n<p>\u2014<\/p>\n\n\n\n<p>Notes for searchers: this post intentionally uses the target phrase \u201cnitrogen reflow oven checklist\u201d in section headings and body copy so it\u2019s easier to find and reuse within your RFQ process.<\/p>","protected":false},"excerpt":{"rendered":"<p>12\u2011point pre\u2011RFQ checklist to minimize TCO\u2014energy, N2, maintenance\u2014with O2 ppm, \u0394T, N2\/kWh benchmarks, demo FAT steps and verification methods for SMT buyers.<\/p>","protected":false},"author":3,"featured_media":4282,"comment_status":"","ping_status":"","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":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"categories":[53,1],"tags":[60],"class_list":["post-4283","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-enterprise-information","category-company-news","tag-smt"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.chuxin-smt.com\/ja\/wp-json\/wp\/v2\/posts\/4283","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.chuxin-smt.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.chuxin-smt.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.chuxin-smt.com\/ja\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.chuxin-smt.com\/ja\/wp-json\/wp\/v2\/comments?post=4283"}],"version-history":[{"count":0,"href":"https:\/\/www.chuxin-smt.com\/ja\/wp-json\/wp\/v2\/posts\/4283\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.chuxin-smt.com\/ja\/wp-json\/wp\/v2\/media\/4282"}],"wp:attachment":[{"href":"https:\/\/www.chuxin-smt.com\/ja\/wp-json\/wp\/v2\/media?parent=4283"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.chuxin-smt.com\/ja\/wp-json\/wp\/v2\/categories?post=4283"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.chuxin-smt.com\/ja\/wp-json\/wp\/v2\/tags?post=4283"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}