Presensitized Positive Photoresist PCB, Double-Sided, 4.5" x 6.5" Printed Circuit Board 100 foot spool

100 foot spool

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3V to 32V Or dual supplies

Presensitized Positive Photoresist PCB, Double-Sided, 4.5" x 6.5" Printed Circuit Board 100 foot spoolPositive Acting Presensitized PCB Double Sided 4. 5" x 6. 5" Ideal for small production runs Highly sensitive positive resist coated on copper foil Can go direct from artwork. No need to reverse artwork. Fiberglass substrate; 1 oz. copper foil. Short exposing time: 60 90 seconds (by exposure unit) 6 10 minutes (by florescent lamp) Color varried after exposure