Optical information recording medium

Details Optical information recording medium Optical information recording medium

1989-07-20

1991-04-30

Ryan, Patrick J.

Stock material or miscellaneous articles

Circular sheet or circular blank

Recording medium or carrier

428 65, 428412, 428457, 428913, 346 76L, 3461351, 430495, 430945, 369288, B32B 302

Patent

active

050117238

ABSTRACT:
A phase-change type optical information recording medium is disclosed, which medium comprises a substrate and a recording layer formed thereon. The recording layer comprises a phase-transition type compound consisting of 4 to 6 elements, having a chalcopyrite structure, represented by the following formula (I):

REFERENCES:
Jap Abs. No. 75-14604W109, Siemen AG, 2-20-75.

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