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

1987-07-20

1989-09-26

Lacey, David L.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156656, 156660, 1566591, 156665, 252 795, 252 792, 427 431, 427 44, 427 541, 427272, C23F 102

Patent

active

048697788

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: 3898095 (1975-08-01), Berdan etal.
patent: 4136026 (1979-01-01), Meyer et al.
patent: 4372805 (1983-02-01), Takahashi et al.
patent: 4398994 (1983-08-01), Beckett
patent: 4555414 (1985-11-01), Hoover et al.

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