Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making
Patent
1982-09-27
1984-08-14
Louie, Won H.
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
430945, 430942, 430296, 430273, 430275, 430276, 430277, 430278, 430279, 430524, 430525, 430526, 3461351, 346 76L, G03C 176
Patent
active
044657676
ABSTRACT:
An optical information recording medium comprising a substrate and a recording layer superimposed on said substrate, said recording layer being comprised of a reflective layer which contains metal particles having a particle diameter of 1500 .ANG. or less and in which said metal particles have been distributed closely and a light absorptive layer containing a coloring matter.
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Oba Hideaki
Umehara Masaakira
Louie Won H.
Ricoh & Company, Ltd.
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