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Four-layer gold finger board

product name:

Four-layer gold finger board

 
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Detailed description

Four-layer gold finger board: 1.6mm, blue oil;
Finished copper thickness: 1/1OZ;
Surface treatment: chemical gold + lead-free tin spray;
Minimum line width/spacing: 0.10mm/0.075mm;
Minimum aperture: 0.30mm;
Solder mask bridge: 0.10mm.