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atben/README-PCB, atusb/README-PCB: clarifications regarding holes

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- atben/README-PCB, atusb/README-PCB: illustrations now contain holes
- atben/README-PCB, atusb/README-PCB: clarified distinction antenna via
  vs. hole
This commit is contained in:
Werner Almesberger 2011-03-29 07:53:03 -03:00
parent fb5bb5a6fa
commit 6487c32387
2 changed files with 6 additions and 6 deletions
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6
atben/README-PCB
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@ -4,8 +4,8 @@ Board characteristics:
- board material: FR4, thickness 0.8 mm (1/32"), 1 oz copper - board material: FR4, thickness 0.8 mm (1/32"), 1 oz copper
- surface finish: ENIG recommended - surface finish: ENIG recommended
- via holes: diameter is nominally 10 mil, but any size <= 15 mil can be used - via holes: diameter is nominally 10 mil, but any size <= 15 mil can be used
- ground via of the antenna: diameter is nominally 8 mil, but any size <= 15 - ground via of the antenna: hole diameter is nominally 8 mil, but any size
mil can be used <= 15 mil can be used
- mechanical tolerances: <= +/- 0.1 mm on all sides - mechanical tolerances: <= +/- 0.1 mm on all sides
@ -20,7 +20,7 @@ atben-Mask_Back.gbs Back solder mask
Other design files: Other design files:
atben-front.png Illustration of the PCB's front side (without holes) atben-front.png Illustration of the PCB's front side
atben-back.png idem, for the back side atben-back.png idem, for the back side
atben-PCB_Edges.gbr Board edges, for routing (Gerber) atben-PCB_Edges.gbr Board edges, for routing (Gerber)
atben.dxf idem (AutoCAD DXF) atben.dxf idem (AutoCAD DXF)

6
atusb/README-PCB
View File

@ -4,8 +4,8 @@ Board characteristics:
- board material: FR4, thickness 0.8 mm (1/32"), 1 oz copper - board material: FR4, thickness 0.8 mm (1/32"), 1 oz copper
- surface finish: TBD, ENIG is preferred - surface finish: TBD, ENIG is preferred
- via holes: diameter is nominally 10 mil, but any size <= 15 mil can be used - via holes: diameter is nominally 10 mil, but any size <= 15 mil can be used
- ground via of the antenna: diameter is nominally 8 mil, but any size <= 15 - ground via of the antenna: hole diameter is nominally 8 mil, but any size
mil can be used <= 15 mil can be used
- mechanical tolerances: <= +/- 0.1 mm on all sides - mechanical tolerances: <= +/- 0.1 mm on all sides
@ -20,7 +20,7 @@ atusb-Mask_Back.gbs Back solder mask
Other design files: Other design files:
atusb-front.png Illustration of the PCB's front side (without holes) atusb-front.png Illustration of the PCB's front side
atusb-back.png idem, for the back side atusb-back.png idem, for the back side
atusb-PCB_Edges.gbr Board edges, for routing (Gerber) atusb-PCB_Edges.gbr Board edges, for routing (Gerber)
atusb.dxf idem (AutoCAD DXF) atusb.dxf idem (AutoCAD DXF)