Optical recording media

Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making

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4302711, 430945, 369284, G11B 724

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active

054985072

ABSTRACT:
In a phase change type of optical recording medium including on a substrate a lower dielectric layer, a recording layer, a first upper dielectric layer contiguous to said recording layer, a second upper dielectric layer and a reflective layer, the recording layer comprises a recording material containing an element A that represents silver and/or gold, an element B that represents antimony and/or bismuth, an element C that represents tellurium and/or selenium, an element indium, and an element M that represents at least one element selected from the group consisting of titanium, zirconium, hafnium, vanadium, niobium, tantalum, manganese, tungsten and molybdenum, with the atomic ratio of the elements in said recording material having the following formula:

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patent: 5191565 (1993-03-01), Inoue et al.
patent: 5230973 (1993-07-01), Yoshioka et al.
patent: 5395669 (1995-03-01), Kawahara et al.
patent: 5418030 (1995-05-01), Tominaga et al.
patent: 5470628 (1995-11-01), Tominaga et al.
"V and Ti Doping Effect on In-Ag-Te-Sb Optical Phase Change Rewritable Disc", Tominaga et al, Jpn. J. Appl. Phys. vol. 23 pp. 1980-1982 (May 1993).
English Language Abstract of JP 3-052139, Shigeaki et al., "Optical Information Recording Medium", Mar. 1991.
English Language Abstract of JP 5-062249, Kenichi et al., "Optical Information Recording Medium", Mar. 1993.
English Language Abstract of JP 5-185733, Isao et al., "Data Recording Medium", Jul. 1993.

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