Stock material or miscellaneous articles – Circular sheet or circular blank – Recording medium or carrier
Patent
1989-06-14
1991-03-26
Ryan, Patrick J.
Stock material or miscellaneous articles
Circular sheet or circular blank
Recording medium or carrier
428 65, 428913, 430270, 430995, 369288, 346 76L, 3461351, B32B 300
Patent
active
050028120
ABSTRACT:
An optical information recording medium comprising a substrate; a recording layer comprising as the main component an organic dye component, formed on the substrate, which recording layer has a maximum peak in the spectroscopic reflectance thereof near the wavelength of the information recording and reproduction light, and has a thickness at which the spectroscopic reflectance thereof is maximized at the wavelength of the information recording and reproduction light, and an optical information recording method, and a system for recording and/or reproducing information using this recording medium are disclosed.
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Ichinose Keiko
Ohba Hideaki
Satoh Tsutomu
Umehara Masaakira
Ricoh & Company, Ltd.
Ryan Patrick J.
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