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SILICON DIOXIDE OVERCOAT LAYER FOR TELLURIUM BASED OPTICAL DISK

IP.com Disclosure Number: IPCOM000025022D
Original Publication Date: 1983-Apr-30
Included in the Prior Art Database: 2004-Apr-04

Publishing Venue

Xerox Disclosure Journal

Abstract

Two problems exist with prior art optical disks: (a) oxidation of the media and (b) disk radial runout. Thin films of Si02 or A1203 deposited over tellurium (Te), the writing medium, will eliminate both problems.