{"id":8738,"date":"2023-12-11T19:35:02","date_gmt":"2023-12-11T11:35:02","guid":{"rendered":"https:\/\/www.jingpengpcb.com\/?p=8738"},"modified":"2026-10-02T19:45:55","modified_gmt":"2026-10-02T11:45:55","slug":"smt-requires-customer-provided-information","status":"publish","type":"post","link":"https:\/\/www.jingpengpcb.com\/en\/faq\/smt-requires-customer-provided-information\/","title":{"rendered":"What information do customers need to provide before SMT assembly?"},"content":{"rendered":"<p>Before beginning the surface-mount technology (SMT) assembly process, customers need to provide specific information to the SMT contract manufacturer. This ensures smooth operations, quality control, and timely delivery of the final product. Let\u2019s take a closer look at the details.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-8487\" src=\"https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/08\/SMT-appearance-inspection-1-1024x557.jpg\" alt=\"SMT Placement Equipment and AOI (Automated Optical Inspection) Systems\" width=\"1024\" height=\"557\" srcset=\"https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/08\/SMT-appearance-inspection-1-1024x557.jpg 1024w, https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/08\/SMT-appearance-inspection-1-300x163.jpg 300w, https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/08\/SMT-appearance-inspection-1-768x418.jpg 768w, https:\/\/www.jingpengpcb.com\/wp-content\/uploads\/2023\/08\/SMT-appearance-inspection-1.jpg 1331w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<h2>1. BOM Requirements<\/h2>\n<h3>1.1 What is a BOM?<\/h3>\n<p>A BOM, or Bill of Materials, is a comprehensive list that specifies detailed information about the materials required for the assembly process.<\/p>\n<h3>1.2 Key BOM Components<\/h3>\n<ul>\n<li>Material Models and Specifications<\/li>\n<li>Clearly identify the replacement material (if any), including package quantity and part numbers.<\/li>\n<\/ul>\n<h2>2. PCB source files<\/h2>\n<h3>2.1 The Importance of PCB Source Files<\/h3>\n<p>PCB source files are essential for determining the placement and orientation of components.<\/p>\n<h3>2.2 Required PCB Source File Output<\/h3>\n<ul>\n<li>Coordinate and Location Number Chart<\/li>\n<li>Verifying Component Polarity<\/li>\n<\/ul>\n<h3>2.3 PCB source files were not provided<\/h3>\n<p>If the PCB source files are not available, a separate diagram showing coordinates and part numbers must be provided.<\/p>\n<h2>3. Gerber files<\/h2>\n<h3>3.1 Uses of Gerber Files<\/h3>\n<p>Gerber files are primarily used to create stencils and are provided by PCB engineers.<\/p>\n<h3>3.2 Important Notes<\/h3>\n<p>Make sure the Gerber files are for a panelized layout, not for a single board.<\/p>\n<h2>4. Position Diagram<\/h2>\n<h3>4.1 The Importance of Position Diagrams<\/h3>\n<p>A pinout diagram helps visualize the polarity of components.<\/p>\n<h3>4.2 Preferred Format<\/h3>\n<p>Schematic diagrams in PDF format can be easily zoomed in and out to clearly view the orientation of components.<\/p>\n<h3>4.3 Clarity Is Key<\/h3>\n<p>The polarity markings on the pinout diagram must be clear and unambiguous.<\/p>\n<h2>5. Testing Requirements<\/h2>\n<h3>5.1 Mandatory Test Components<\/h3>\n<p>For products to be tested, the customer must provide:<\/p>\n<ul>\n<li>Testing Software<\/li>\n<li>Test Methods<\/li>\n<li>Test fixtures (we can manufacture them for you)<\/li>\n<\/ul>\n<h2>6. Special Product Requirements<\/h2>\n<h3>6.1 Unique Features of the Process<\/h3>\n<p>Any specific requirements regarding quality, materials, or manufacturing processes must be clearly communicated.<\/p>\n<hr \/>\n<h2>Frequently Asked Questions<\/h2>\n<h3>Q1: What happens if I don't provide the PCB source files?<\/h3>\n<p>If the PCB source files are not available, separate coordinate and part number diagrams must be provided in order to proceed.<\/p>\n<h3>Q2: How should I specify special product requirements?<\/h3>\n<p>Clearly list any unique requirements, such as quality standards or special materials, in a detailed document.<\/p>\n<h3>Q3: Does every product require a test fixture?<\/h3>\n<p>For products that need to be tested, test fixtures are essential for ensuring accurate and reliable results.<\/p>\n<p>Providing the necessary information is essential to ensuring product quality and timely delivery during the SMT assembly process. We encourage our customers to maintain transparent and comprehensive communication to ensure a smooth partnership.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u5728\u5f00\u59cb\u8868\u9762\u8d34\u88c5\u6280\u672f\uff08SMT\uff09\u88c5\u914d\u8fc7\u7a0b\u4e4b\u524d\uff0c\u5ba2\u6237\u9700\u8981\u5411SMT\u52a0\u5de5\u5382\u63d0\u4f9b\u7279\u5b9a\u7684\u4fe1\u606f\u3002\u8fd9\u786e\u4fdd\u4e86\u64cd\u4f5c\u7684\u987a\u5229\u8fdb\u884c\uff0c\u8d28\u91cf\u7684 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8580,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"slim_seo":{"title":"What information do customers need to provide before SMT assembly?","description":"What information is required for SMT assembly? Clearly explain the purposes and format requirements for the BOM, PCB source files, Gerber files, and coordinate files to avoid production delays caused by missing information."},"_slim_seo_primary_term_category":0,"_slim_seo_primary_term_post_tag":0,"footnotes":""},"categories":[27],"tags":[232],"class_list":["post-8738","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-faq","tag-smt"],"_links":{"self":[{"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/posts\/8738","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/comments?post=8738"}],"version-history":[{"count":1,"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/posts\/8738\/revisions"}],"predecessor-version":[{"id":19453,"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/posts\/8738\/revisions\/19453"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/media\/8580"}],"wp:attachment":[{"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/media?parent=8738"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/categories?post=8738"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.jingpengpcb.com\/en\/wp-json\/wp\/v2\/tags?post=8738"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}