advanced assembly notes

5 years ago · 92d04f4c42
parent 7cb7ce8b8c
commit 92d04f4c42
2 changed files with 2 additions and 2 deletions
--- a/hardware/ecp5_mainboard/mainboard_prod/ecp5_mainboard_bom_advancedassembly-export.xls
+++ b/hardware/ecp5_mainboard/mainboard_prod/ecp5_mainboard_bom_advancedassembly-export.xls
--- a/hardware/ecp5_mainboard/mainboard_prod/readme-advancedassembly.txt
+++ b/hardware/ecp5_mainboard/mainboard_prod/readme-advancedassembly.txt
@ -32,8 +32,8 @@ PCB specification:
 - FR4 material.
 - 1.6mm board thickness.
 - 1oz copper thickness.
- - 3mil track/3mil space.
+ - 3mil track/3mil space (.003").
- - 0.2mm minimum hole diameter.
+ - 0.2mm (0.0077") minimum hole diameter.
 - ENIG surface finish.
 - No gold fingers.
 - 30 degree bevelling for card edge connector. "15 mils bevel depth with 45 degree angle" OK alternate.