Both-side roughened copper foil with protection film

Details Both-side roughened copper foil with protection film Both-side roughened copper foil with protection film

1993-08-24

1995-05-09

Sluby, P. C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Edge feature

428209, 428215, 428457, 428458, 4284755, 428626, 428650, 428652, 428901, 428414, 428416, 4284758, 428463, 216 35, B32B 2302, B32B 300, B32B 1508

Patent

active

054138388

ABSTRACT:
Disclosed is a both-side roughened copper foil with a protection film, comprising a metal foil as soft as or softer than copper, or an organic type film having a melting point equal to or higher than a lamination temperature, laminated on one side of a copper foil with both sides roughened, the metal foil or organic film being continuously or continually bonded or adhered to the copper foil. It is possible to protect the ruggedness on the roughened surface at the time the both-side roughened copper foil is cut, packed, transported or stacked on another both-side roughened copper foil, simplify the press molding work, and improve the production efficiency particularly in the step of fabricating a copper-clad laminated board for a printed circuit board as well as the quality of the acquired copper-clad laminated board.

REFERENCES:
patent: 4323632 (1982-04-01), Berdan et al.
patent: 4429348 (1984-01-01), Dean
patent: 4431710 (1984-02-01), Lifshin et al.
patent: 4661417 (1987-04-01), Suzuki et al.
patent: 4722765 (1988-02-01), Ambros et al.
patent: 4902556 (1990-02-01), Benedict et al.
patent: 5057169 (1991-10-01), Adelman
patent: 5057372 (1991-10-01), Imfeld et al.

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