Method of and apparatus for manufacturing printed circuit boards

Details Method of and apparatus for manufacturing printed circuit boards Method of and apparatus for manufacturing printed circuit boards

1989-11-13

1993-10-26

Davis, Jenna L.

Stock material or miscellaneous articles

Structurally defined web or sheet

Physical dimension specified

428450, 428461, B32B 1508

Patent

active

052564746

ABSTRACT:
There is disclosed a dual purpose separator-release plate (30) for the use in the lamination and drilling of printed circuit boards, comprising a substrate sheet of aluminum foil (32), covered on both sides with release material (34), the plates being placed in engagement with the foil surfaces (6) and (8) of a PC board prior to curing the epoxy layer (4), after curing, retaining the separator-release plates in engagement with the PC board, and which plates serve as drill entry and drill backup material.

REFERENCES:
patent: 4357395 (1982-11-01), Lifshin et al.
patent: 4455181 (1984-06-01), Lifshin et al.
patent: 4532096 (1985-07-01), Bogner et al.
patent: 4547544 (1985-10-01), Allardice
patent: 4690845 (1987-09-01), Kloss, Jr.

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