2011-03-11 21:16:50 +02:00
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Board characteristics:
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- stacking: 2 layers, solder mask on front and back, silk screen on front
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2011-03-15 02:31:55 +02:00
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- board material: FR4, thickness 0.8 mm (1/32"), 1 oz copper
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- surface finish: ENIG recommended
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2011-03-11 21:16:50 +02:00
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- via holes: diameter is nominally 10 mil, but any size <= 15 mil can be used
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- mechanical tolerances: <= +/- 0.1 mm on all sides
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Layer stacking, from top to bottom:
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atben-SilkS_Front.gto Front silk screen
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atben-Mask_Front.gts Front solder mask
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atben-Front.gtl Front copper
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atben-Back.gbl Back copper
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2011-03-13 02:57:37 +02:00
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atben-Mask_Back.gbs Back solder mask (empty)
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2011-03-11 21:16:50 +02:00
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Other design files:
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atben-PCB_Edges.gbr Board edges, for routing (Gerber)
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atben.dxf idem (AutoCAD DXF)
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atben.drl Excellon drill file
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Interpretation of files:
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2011-03-15 02:31:55 +02:00
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- for all coordinates, the origin is the lower left corner of the board
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2011-03-11 21:16:50 +02:00
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- the center (!) of the board edge line marks the true board edge, e.g.,
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Edge line (5 mil)
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=======
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------- - - - - - ----------
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PCB outside | | PCB inside
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------- - - - - - ----------
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Volume removed when cutting
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(width depends on tool used)
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