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
1990-04-27
1993-05-25
Schilling, Richard L.
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
430273, 430275, 430278, 430945, G03C 172, G03F 700
Patent
active
052139557
ABSTRACT:
An optical information recording medium comprising a light transmitting substrate, a light absorptive layer containing at least one light absorbing substance formed on the substrate and a light reflective layer made of a metal film formed on the light absorptive layer, wherein an optical parameter represented by .rho.=n.sub.abs d.sub.abs /.lambda. wherein n.sub.abs is the real part of the complex refractive index of the light absorptive layer, d.sub.abs is the average thickness of the light absorptive layer and .lambda. is the wavelength of a reading laser beam, is 0.6<.rho.<1.6.
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Patent Abstracts of Japan, Unexamined Applications, vol. 11, No. 328 (P-629) (2775), Oct. 27, 1987, The Patent Office Japanese Government.
Arai Yuji
Hamada Emiko
Ishiguro Takashi
Takagisi Yosikazu
Schilling Richard L.
Taiyo Yuden Co. Ltd.
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