Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1995-10-02
1997-10-21
Martin, Roland
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
430 20, G03G 1322
Patent
active
056794932
ABSTRACT:
A packaging glass mask is used for local exposure to light on a photo conductive layer which is insulative and becomes conductive upon exposure to light. This results in elimination of charge on the exposed surface of the photo conductive layer to form a charged pattern in accordance with a packaging pattern. Each conductive particle consisting of a core insulator coated with plating of a conductive material is then distributed on the surface of the photo conductive layer. The conductive particles are deposited in a concentrated manner on charged sections of the photo conductive layer. An insulating resin is then laid on the conductive particles by application or transfer to complete an anisotropic conductive film with the conductive particles selectively distributed therein in accordance with the packaging pattern.
REFERENCES:
patent: 3561957 (1971-02-01), Perry
patent: 4337303 (1982-06-01), Sahyun et al.
patent: 4456679 (1984-06-01), Leyrer et al.
patent: 5304447 (1994-04-01), Svendsen et al.
Martin Roland
NEC Corporation
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