A text file specifying stackup, surface finish, solder mask color, legend (silkscreen) color, and any other requirements.
If no specification file is provided, then the quotation will be for a PCB with the following specifications:
- 1.6mm thick rigid board
- FR-4 standard Tg (IPC-4101/21) material
- 1 oz (35µm) copper layers
- Lead-free HASL finish
- Green soldermask
- White legend
- Manufactured in accordance with IPC performance class 2
- No other options