Stock material or miscellaneous articles – Circular sheet or circular blank
Patent
1995-03-06
1996-08-13
Ryan, Patrick J.
Stock material or miscellaneous articles
Circular sheet or circular blank
428 642, 428 644, 428 645, 428 646, 428457, 428913, 4302701, 4304951, 430945, B32B 300
Patent
active
055454542
ABSTRACT:
Phase-change-type optical recording medium comprises a first dielectric layer, a recording layer made of a phase change material, a second dielectric layer and a reflecting layer wherein the thicknesses of the first and second dielectric layers are determined for a given thickness of the recording layer so that the following conditions are satisfied;
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Akahira Nobuo
Furukawa Shigeaki
Nagata Ken'ichi
Nishiuchi Ken'ichi
Ohno Eiji
Evans Elizabeth
Matsushita Electric Industrial Inc., Ltd.
Ryan Patrick J.
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