Stock material or miscellaneous articles – Circular sheet or circular blank – Recording medium or carrier
Patent
1991-07-08
1994-11-29
Ryan, Patrick J.
Stock material or miscellaneous articles
Circular sheet or circular blank
Recording medium or carrier
428 65, 428457, 428446, 428702, 428913, 430945, 346 76L, 3461351, B32B 300
Patent
active
053689089
ABSTRACT:
An optical information recording medium, for writing in and reading out information by a laser beam, is composed of a recording layer, an anti-reflection layer structure formed on an outer surface section on which the laser beam is directed to be focused, on the recording layer, and the anti-reflection layer structure includes one or more transparent electroconductive film layers.
REFERENCES:
patent: 4984231 (1991-01-01), Yasuoka
patent: 5100700 (1992-03-01), Ide et al.
Nakazawa Masashi
Ohta Wasaburo
Onodera Yuzi
Orima Isamu
Umeki Kazuhiro
Evans Elizabeth
Ricoh & Company, Ltd.
Ryan Patrick J.
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