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Copper Clad Printed Circuit Boards
One ounce copper (0.0014") on base of either FR-4 (G-10) fiberglas or CEM-1 type epoxy reinforced board. Circuit Specialists also carries a 12 page manual that describes the theory and operation of the Pos-NegTM process. Includes practical data for making negatives or positives from magazine illustrations or 1:1 artwork. Also covers sensitizing, exposing, developing and etching of resist coated PC boards. |
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