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Diffstat (limited to 'hardware/fab/m256c/README')
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diff --git a/hardware/fab/m256c/README b/hardware/fab/m256c/README new file mode 100644 index 0000000..406d6ec --- /dev/null +++ b/hardware/fab/m256c/README @@ -0,0 +1,42 @@ +PCB Fabrication Package. Google Mega2560 Arduino Rev. C 2011-03-23 + +Gerber Files in RS-274-X Format + m256_tslk.gbr - Top Silkscreen + m256_tpst.gbr - Top Solderpaste (Stencil) + m256_tmsk.gbr - Top Soldermask + m256_tcmp.gbr - Top Copper + m256_bcmp.gbr - Bottom Copper + m256_bmsk.gbr - Bottom Soldermask + m256_bslk.gbr - Bottom Silkscreen + +Drill files: + m256_drl.drl - Excellon Drill file + +Fab drawing: + + m256_fab.pdf + +Coordinates: + + m256.mnt - Top SMD coordinates + +Board dimensions/outline included as zero width trace in silkscreen layer +for reference. Board is made from 0.062" FR4 with 1oz copper on all +layers. Minimum trace/space is 6/6 mils. + +NOTE: Board contains 3 plated slots, each slot is marked at the two ends +and center with 0.041" drills. + +Board layers stacked as follows: + + Top Silkscreen (Black) + Top Soldermask (White) + Top Copper (1oz) + FR4 (62 mil) + Bottom Copper (1oz) + Bottom Soldermask (White) + Bottom Silkscreen (Black) + +Process the silkscreen layer against the soldermask layer to prevent +overlapping silkscreen on the pads through mask openings. + |