Printed Circuit Boards 4 Layer PCB In Blue Solder Mask
Specifications:
1. Board Laminate:
Board layers 4 layer see layer stackup
Board material laminate should be 0.031inch +/-10%
Finished glass epoxy laminate, type nema grade or equivalent
Outer layer to be 0.5OZ Copper clad
Construction should meet class 94v-0
Layer construction alignment max: +-0.05mm
2. Holes:
Copper plate through all holes with a minimum wall thickness of 0.0254mm
Register tolerance : +-0.015mm
All holes must be drilled +-0.051mm with respect to center of drilled pad
| Delivery Acceptance Requirements: | |
| Test | All boards are tested in accordance with IPC-9252A |
| Working Gerber | Paste layers must be provided on working gerbers. |
| If Paste layer is missing, alert us in EQ. | |
| Fab File | Check original customer Fab file if provided. |
| If there is a conflict between customer FAB and this | |
| document, please ask in your EQ questions. | |
| Approvals | Send working gerber and EQ together. |
| RoHS & REACH | All materials must be RoHS & REACH compliant. |
| All processes must be RoHS & REACH compliant. | |
| Documents | Send PDF copy of all test, measurement, conformance |
| and certificates. No paper or core sample needed. |
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