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The side of the circuit board on which most of the components will be located. Also called the “top side.”

PCB Glossary

  • Soldermask Over Bare Copper (SMOBC)

    A method of fabricating a printed circuit board that results in final metallization being copper with no protective metal. The non-coated areas are coated by solder resist, exposing only the component terminal areas. This eliminates tin lead under the pads.