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4Layer Impedance Control Board

4Layer Impedance Control Board
Finished Board Thickness: 1.0mm Black Solder mask
Finished Copper thickness: 1/1oz  Immersion Gold+OSP
The smallest line width & track: 0.075/0.075mm    
The smallest hole size and Solder bridge : 0.2mm & 0.1mm 

parameter

4Layer Impedance Control Board
Finished Board Thickness: 1.0mm Black Solder mask
Finished Copper thickness: 1/1oz  Immersion Gold+OSP
The smallest line width & track: 0.075/0.075mm    
The smallest hole size and Solder bridge : 0.2mm & 0.1mm 

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