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INEXPENSIVE OPTICAL RECORDING MEDIA WITH HERMETIC SEAL AND HIGH SENSITIVITY

IP.com Disclosure Number: IPCOM000025074D
Original Publication Date: 1983-Jun-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 and A1203 deposited over tellurium (Te), the writing medium, will eliminate both problems.