Process for rendering kapton or other polyimide film photo sensi

Details Process for rendering kapton or other polyimide film photo sensi Process for rendering kapton or other polyimide film photo sensi

1976-09-20

1978-09-05

Kendall, Ralph S.

Coating processes

Electrical product produced

Welding electrode

427 98, 427304, 427306, C23C 302

Patent

active

041121392

ABSTRACT:
Deposition of metal onto a polyimide film by an electroless method is disclosed. The subject method finds particular application in generating metal patterns on polyimide substrates, such as films. The subject method employs a photographic like technique for generating on a polyimide substrate, a pattern capable of attracting thereon a precious metal-salt which is useable as a catalyst in an electroless plating process. The methods disclosed are useable in an electroless plating process to produce a metallic pattern, such as an electric circuit pattern for mounting integrated circuit chips, etc.

REFERENCES:
patent: 3558352 (1971-01-01), Castrucci et al.
patent: 3573973 (1971-04-01), Drotar et al.
patent: 3775121 (1973-11-01), Sharp
patent: 3791939 (1974-02-01), Ferrara et al.
patent: 3821016 (1974-06-01), De Angelo
Brenner, "Electroless Plating Comes of Age", Metal Finishing, Dec. 1954.

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