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A material applied to enable selective etching, plating, or the application of solder to a PCB. Also called soldermask or resist.

PCB Glossary

  • Copper (Finished Copper)

    This is how much copper your board will have on its surface. It is the copper foil thickness, plus plated copper, minus surface preparation. It is given in oz / per sq foot. 1 oz = a minimum of 0.0012”- 0.0014” thickness. We offer finished copper of 1-oz., 1.5-oz., 2.0-oz., and 2.5-oz. If you need a different finished copper amount, please complete our PCB RFQ Form.