Method for forming a film of oxidized metal

Details Method for forming a film of oxidized metal Method for forming a film of oxidized metal

1991-01-07

1992-10-20

Padgett, Marianne

Coating processes

Direct application of electrical, magnetic, wave, or...

Pretreatment of substrate or post-treatment of coated substrate

4271263, 4271264, 4271265, 4271266, 427226, B05D 306, B05D 512, B05D 302

Patent

active

051568845

ABSTRACT:
The inventive method comprises the steps of coating the substrate surface with a coating solution containing .beta.-diketone complex of a metallic element in an aprotic polar solvent, drying and irradiating the coating film on the surface with ultraviolet light, optionally, followed by a heat treatment to form an electrically insulating oxidized metal film on the surface. By virtue of the ultraviolet irradiation, the oxidized metal film can be imparted with increased insulation even by omitting the heat treatment or by decreasing the temperature of the heat treatment so that the adverse influences on the characteristics of the substrate can be minimized.

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