Coating processes – Electrical product produced – Metallic compound coating
Patent
1995-03-20
1997-09-02
Utech, Benjamin
Coating processes
Electrical product produced
Metallic compound coating
4271263, 427240, 4273762, 427427, 4274432, B05D 512
Patent
active
056629621
ABSTRACT:
A transparent, electroconductive ink having therein ultra-fine ITO particles dispersed in a solvent or in a solvent containing a resin dissolved therein is coated and dried on a transparent support, then dried and optionally baked, and thereafter an overcoating liquid consisting essentially of silica sol is coated over the resulting transparent, electroconductive film formed on the support. This is then dried and optionally baked to obtain a transparent, electroconductive substrate having a specific resistance of 0.01 to 0.5 .OMEGA..cm, a haze value of 0 to 2%, and a volume content of the ultra-fine ITO particles in the film of being 40 to 75%. The substrate has a small surface resistivity and has excellent optical characteristics and weather resistance.
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Kawata Munekazu
Yukinobu Masaya
Sumitomo Metal Mining Company Limited
Utech Benjamin
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