Sean Cross 24f141a272 pcb: ECO003: don't put copper or solder mask on USB underside ...

Leave bare FR4 on the underside of the USB connector, so there isn't
anything to scrape off.

Signed-off-by: Sean Cross <sean@xobs.io>

2018-12-25 00:55:25 +08:00

440 KiB

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