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The electrical resistance of an insulating material that is determined under specific conditions between any pair of contacts, conductors, or grounding devices in various combinations.

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.