5/31/2026
DFM File Checklist Before Submitting a PCBA RFQ
Preparing Gerber, BOM, centroid, test requirements and special process notes before RFQ reduces back-and-forth communication and quotation assumptions.
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engineering checklist
10 related articles.
10 articles
5/31/2026
What Validation Should a BOM Alternate Approval Flow Include
BOM alternate approval cannot rely only on package and price; electrical, thermal, software, test and customer-controlled requirements must be validated.
5/31/2026
SMT Process Window Basics: From SPI to Reflow Profile
An SMT process window should be judged by solder paste, stencil, placement, reflow, AOI and X-ray data, not final yield alone.
5/31/2026
How to Judge Whether ICT/FCT Test Coverage Is Enough
ICT and FCT cover different failure modes; buyers and engineers should review the test matrix instead of only asking whether testing is 100 percent.
5/31/2026
Which Fields Should a MES Traceability Report Include
A useful MES traceability report should connect serial number, material lot, process parameters, test results, repair records and shipment lot.
5/30/2026
How to Write BGA X-ray Inspection Criteria into PCBA Requirements
For BGA, QFN and LGA hidden-joint components, PCBA requirements should define X-ray scope, criteria, sampling level and reinspection rules early.
5/30/2026
Conformal Coating Process Control Is More Than Material Selection
Conformal coating reliability depends on cleanliness, masking, thickness, curing, visual inspection and rework rules, not only material brand.
5/30/2026
PCBA Pilot Run Acceptance Checklist: When Is Production Ready
Pilot acceptance should review DFM closure, BOM risk, SMT process, test coverage, defect trend and delivery data, not only whether samples power on.
5/30/2026
15 Engineering Questions to Ask When Evaluating a PCBA Supplier
When evaluating a PCBA supplier, questions should cover DFM, BOM, SMT, testing, traceability, issue closure and delivery communication, not quotation only.
5/30/2026
PCBA RFQ File Preparation Guide: BOM, Gerber and Test Specification
A clear RFQ package should include BOM, Gerber, centroid, schematic, test specification, annual volume, delivery target and special process notes.