Gong, PCB

Use a bare PCB appearance inspection process to check visible defects, record doubtful findings and control release. Includes a practical evidence checklist.

Prepare PCB laminate, prepreg and copper foil with receiving, storage, conditioning and cutting checks. Keep lot identity and stop unsuitable material before layup.

Build a bare-board PCB inspection workflow with controlled lighting, image alignment and defect masks. Validate missed defects and false alarms before production.

Keep PCB source files, libraries and manufacturing outputs aligned. Use a reproducibility test, revision rules and a release manifest to prevent mixed builds.

Run a PCB design review with clear owners, schematic and layout checks, issue closure evidence and a revision-controlled fabrication release checklist.

Plan a startup turnkey PCB assembly build with a revision-controlled file package, substitution approvals, test scope and clear pilot release decisions.

Learn which PCB surfaces can be laser marked and how to validate samples, code readability and board integrity before approving a production marking process.

Learn how to optimize bare PCB production using first-pass yield, defect data, bottleneck checks and controlled trials without weakening acceptance requirements.

Compare semi-additive PCB processing and subtractive etching, then review line geometry, copper thickness, via rules and qualification before layout release.