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mirror of git://projects.qi-hardware.com/ben-wpan.git synced 2025-02-02 08:31:05 +02:00
Werner Almesberger eac6e3c70b atben/README-PCB, atusb/README-PCB: various minor clarifications
- README-PCB: added imperial units for board thickness
- README-PCB: changed surface finish recommendation to prefer ENIG more
  strongly
- README-PCB: removed instructions for Gerber file generation from
  "interpretation of files section"
- README-PCB: mention common coordinate system origin
2011-03-14 21:31:55 -03:00
..
2011-01-17 22:30:22 -03:00

PCB manufacturing:

- do not print PCB edges on front/back copper
- do not print component values on silk screen
- note that the transceiver is "upside down"
- the center (!) of the board edge line marks the true board edge, e.g.,

                             Edge line (5 mil)
                        =======
         ------- - - - - - ----------
               |           |
   PCB outside |           | PCB inside
               |           |
         ------- - - - - - ----------
                     |
               Volume removed when cutting
               (width depends on tool used)