Erasable phase change optical recording elements and methods

Details Erasable phase change optical recording elements and methods Erasable phase change optical recording elements and methods

1990-10-09

1993-03-23

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Erasable imaging

430495, 430945, 430346, 369288, G11B 724

Patent

active

051962845

ABSTRACT:
An optical recording element comprising a thin film optical recording layer of an alloy is disclosed. The alloy is represented by the formula:

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Yasuoka et al, "Novel 1-Beam-Overwriting Method for Phase-Change Erasable Disc", Technical Digest, International Symposium on Optical Memory, Tokyo, Japan (Sep. 1987).
Nishida et al, "Effect of T1 and Metallic Element Addition to In-Se Based Phase-Change Optical Recording Film", Id., at 91.
Yamada et al, "High Speed Over-Writable Phase Change Optical Disc Materials", Id., at 87.

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