PCB File Review FAQ
This page explains how manufacturing files are reviewed before PCB production begins, including Gerber files, NC Drill files, board outline data, and related fabrication information.
What Is PCB File Review?
PCB file review is the engineering checking process that takes place after your manufacturing files are received and before production begins.
This review typically focuses on whether the submitted files appear complete, consistent, and suitable for manufacturing.
Gerber layers
NC Drill data
Board outline
Layer consistency
Panel information
Fabrication notes
Common File Review Areas
| Review Area | General Explanation |
|---|---|
| Gerber Layer Completeness | Checks whether the expected manufacturing layers are present, such as copper, solder mask, silkscreen, and board outline data. |
| NC Drill Consistency | Reviews whether drill data appears to match the board design and hole requirements. |
| Board Outline | Confirms that the board profile or edge routing shape is clearly defined. |
| Layer Alignment / General Consistency | Looks for obvious layer mismatches or file package inconsistencies. |
| Panel Information | Reviews customer panel or related array information if the project requires panelized production. |
| Fabrication Notes | Reviews additional notes when the order includes special requirements, instructions, or unusual fabrication details. |
Common PCB File Review Questions
1. Do you check Gerber files before production?
Yes. Manufacturing files are typically reviewed before production begins to confirm that the file package appears suitable for fabrication and that important data is present.
2. What files are usually reviewed?
Review commonly includes Gerber files, NC Drill files, board outline data, panel information if applicable, and any related fabrication notes provided with the order.
3. Does file review mean all design errors will be found?
No. PCB file review is mainly focused on manufacturability and file completeness. It should not be treated as a guarantee that every design, schematic, or functional issue will be detected.
4. What happens if a problem is found in my file package?
If a file issue, missing data, or unclear detail is found during review, we may contact you for clarification or request updated files before production proceeds.
5. Should I check my Gerber files before sending them?
Yes. Customers are strongly encouraged to review their Gerber and drill output before submission. A clear and complete file package helps reduce delays and improves order accuracy.
6. When does the file review usually happen?
File review normally takes place after the manufacturing files are received and before PCB production starts.
7. Can production begin if the files are incomplete?
In general, incomplete or unclear files may delay production because missing information often needs to be clarified before manufacturing can move forward.
8. Is panel data reviewed if my order uses Customer Panel?
Yes. If the project uses customer-defined panel information, the panel structure and related manufacturing data should be clearly included in the file package.
9. Can I send additional notes with the files?
Yes. Fabrication notes, PDF references, and panel instructions may be included when they help explain the project requirements more clearly.
10. Does PCB file review replace customer design responsibility?
No. The customer remains responsible for the correctness of the design data submitted for production. File review is intended to support manufacturing readiness, not to replace full design validation.
Simple Review Process
- Customer receives quote or places the order.
- Customer sends the file package by email attachment.
- Manufacturing files are reviewed before production.
- If needed, clarification or corrected files may be requested.
- Production proceeds after file information is considered ready.