Redefining Customer Service
Customer Support | Phone: 717-558-5975

Usually defined as a conductive hole with a diameter of 0.005” or less that connects layers of a multi-layer PCB. Often used to refer to any small geometry connection holes created by laser drilling.

PCB Glossary

  • Entry Material

    A thin layer of material composed of phenolic, aluminum foil, or paper that is placed on top of the panel prior to drilling to improve drill accuracy and prevent burrs and dents.