Phase-change optical recording medium

Details Phase-change optical recording medium Phase-change optical recording medium

1998-11-25

2000-08-01

Evans, Elizabeth

Stock material or miscellaneous articles

Circular sheet or circular blank

428 644, 428 645, 428 646, 428913, 43027013, 4304951, 430945, 369283, 369288, B32B 300

Patent

active

060963980

ABSTRACT:
A phase-change optical recording medium has a substrate, and a lower heat-resistant protective layer, a recording layer capable of recording and erasing information by utilizing changes in the phase of a phase-change recording material in the recording layer, an upper heat-resistant protective layer and a light reflecting and heat dissipating layer, which are successively overlaid on the substrate in this order, the recording material including Ag, In, Sb and Te as the main elements, at least one additional element selected from the group (1) consisting of B, C, N, Al, Si and P, and at least one additional element selected from the group (2) consisting of halogen atoms and alkali metal elements.

REFERENCES:
patent: 4600625 (1986-07-01), Abe et al.
patent: 4656121 (1987-04-01), Sato et al.
patent: 4714667 (1987-12-01), Sato et al.
patent: 4758499 (1988-07-01), Abe et al.
patent: 4767693 (1988-08-01), Oba et al.
patent: 4891305 (1990-01-01), Oba et al.
patent: 5011723 (1991-04-01), Harigaya et al.
patent: 5024927 (1991-06-01), Yamada et al.
patent: 5080947 (1992-01-01), Yamada et al.
patent: 5100700 (1992-03-01), Ide et al.
patent: 5156693 (1992-10-01), Ide et al.
patent: 5196250 (1993-03-01), Abe et al.
patent: 5298305 (1994-03-01), Shinozuka
patent: 5637372 (1997-06-01), Tominaga
patent: 5703867 (1997-12-01), Miyauchi
patent: 5736657 (1998-04-01), Ide et al.
patent: 5948496 (1999-09-01), Kinoshita et al.
Database WPI Sec Ch Week 9117 Derwent Class A89, AN91-122554 XP 002095887 Abstract of JP 03063178A (Mar. 1991).

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