Method of forming a patterned aluminum layer and article

Details Method of forming a patterned aluminum layer and article Method of forming a patterned aluminum layer and article

1989-04-03

1991-08-27

McCamish, Marion E.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428413, 428458, 428209, 428 68, 428 76, 428913, B32B 300

Patent

active

050432010

ABSTRACT:
A process is described for the microdemetalization of an aluminized mylar film, the steps including the printing of a micropattern of a caustic resistant, U.V. curable resin on the aluminum surface, etching of the exposed aluminum with a warm saturated caustic solution, followed immediately by rinsing the patterned surface with an acidic solution to neutralize the caustic and stop the etching. Micropatterns having line widths as small as 0.2 mils may be formed by the process.

REFERENCES:
patent: 4398994 (1983-08-01), Beckett
patent: 4405689 (1983-09-01), Watanabe
patent: 4869778 (1989-09-01), Cote

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