qi-hardware/ben-wpan
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7e20be97dc
ben-wpan/atben
History
Werner Almesberger 7e20be97dc atben.brd, atusb.brd: set solder mask opening of fiducials to 2 mm 
- atben/atben.brd, atusb/atusb.brd: set solder mask clearance of fiducials
  to 0.1 mil, so that the real solder mask opening has a diameter of
  almost) exactly 2 mm (instead of 2 mm plus 10 mil)
2011-03-23 23:46:44 -03:00
..
cam Updates CAM processes of various sub-projects 2011-02-21 23:31:04 -03:00
case great atusd -> atben renaming: changed the directory name 2011-01-17 10:53:55 -03:00
sim great atusd -> atben renaming: changed the directory name 2011-01-17 10:53:55 -03:00
tests great atusd -> atben renaming: changed the directory name 2011-01-17 10:53:55 -03:00
atben.brd atben.brd, atusb.brd: set solder mask opening of fiducials to 2 mm 2011-03-23 23:46:44 -03:00
atben.cmp atben: more layout cleanup; improved CLKM test point 2011-02-18 15:29:06 -03:00
atben.pro atben: added two fiducial marks 2011-03-23 12:39:55 -03:00
atben.sch atben: more layout cleanup; improved CLKM test point 2011-02-18 15:29:06 -03:00
ERRATA great atusd -> atben renaming: changed the directory name 2011-01-17 10:53:55 -03:00
Makefile generate SMT fab package 2011-03-23 04:57:32 -03:00
MAP great atusd -> atben renaming: changed the directory name 2011-01-17 10:53:55 -03:00
README atben/README: manufacturing notes 2011-01-17 22:30:22 -03:00
README-PCB include overview images in PCB and SMT fab packages 2011-03-23 01:57:55 -03:00
README-SMT added project-specific footprint reference for SMT fab 2011-03-23 04:47:21 -03:00

README 

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)