1. DFM checking
Check PCB Gerber files, BOM list, schematic diagram (if provided), mechanical assembly files to make clear the below sectors:
- File version and the latest update time.
- Technical process: ROHS or NON- ROHS
- complete component silkscreen
- components brand, part number, description, footprint, designator
- make sure PCB specification: layers, material, laminate thickness, copper thickness, surface finish, solder mask and legend color
- suitable PCB panel and rails
- a correct SMT pick and place file
- if program or function testing requests
- complete mechanical assembly files and instruction pictures
- whether other special requests