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Photographic Plate Composition

IP.com Disclosure Number: IPCOM000090192D
Original Publication Date: 1969-Mar-01
Included in the Prior Art Database: 2005-Mar-05
Document File: 2 page(s) / 25K

Publishing Venue

IBM

Related People

Wheelock, CE: AUTHOR

Abstract

This is a photographic plate which, after exposure and development, exhibits superior wear characteristics. The plate is produced by coating metallic substrate 2, such as aluminum, with an aqueous solution of silver halide salt including a complexing agent, such as ammonia, to render the silver halide soluble. The silver halide solution is dried to form a stable subbing layer 3 on the metallic substrate. A silver halide-gelatin emulsion 4 is then coated on the subbing layer. On exposure and development to form a relief image, the silver halide subcoating increases the adhesion of the image-forming developed gelatin emulsion to the substrate. The resulting plate exhibits a long life during use in printing operations.

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Photographic Plate Composition

This is a photographic plate which, after exposure and development, exhibits superior wear characteristics. The plate is produced by coating metallic substrate 2, such as aluminum, with an aqueous solution of silver halide salt including a complexing agent, such as ammonia, to render the silver halide soluble. The silver halide solution is dried to form a stable subbing layer 3 on the metallic substrate. A silver halide-gelatin emulsion 4 is then coated on the subbing layer. On exposure and development to form a relief image, the silver halide subcoating increases the adhesion of the image-forming developed gelatin emulsion to the substrate. The resulting plate exhibits a long life during use in printing operations.

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