Gold Fingeris agold-platedterminal of a card-edge connector, usually, fingers are done by flash gold (hard gold) and the gold
thickness is requested to be from 3u`` to 50u`` because fingers are mainly used for pluging for many times.
We have great advantage in gold finger pcbs production, and now, the thicknest gold we can do is 50u.
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Product type: 4 layers PCB
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Board thickness: 1.60±0.15mm
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Copper thickness: 2OZ out layer 1OZ innner Layer
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Minimum hole size: 0.50mm
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Surface finish: ENIG+gold finger
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Minimum line width/space: 0.125/0.125mm
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Gold thickness on gold finger: 20u``
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Product type: 6 layers gold finger PCB
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Board thickness: 1.60±0.15mm
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Copper thickness: 2OZ out layer 1OZ innner Layer
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Minimum hole size: 0.50mm
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Surface finish: ENIG+gold finger
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Minimum line width/space: 0.15/0.13mm
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Gold thickness on gold finger: 30u``