Copper Removal – FR4

Copper Removal – FR4

Pico-laser Capabilities Report: Copper Thinning/Removal from Copper Clad Sheets Background: Copper clad sheets are a widespread raw material of the PCB industry. Commonly, copper clad sheets may be purchased at standard values of copper thickness (e.g. 1 ounce=35 microns, 0.5 ounce = 17 micron). Certain application require however copper thinning to non-standard values. The aim
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