Stock material or miscellaneous articles – Circular sheet or circular blank – Recording medium or carrier
Patent
1992-03-27
1994-08-30
Ryan, Patrick J.
Stock material or miscellaneous articles
Circular sheet or circular blank
Recording medium or carrier
428 65, 428913, 430270, 430945, 346 76L, 3461351, B32B 300
Patent
active
053426690
ABSTRACT:
Optical information recording medium that has resistance to scratching, resistance to friction static electricity, rapid discharging, resistance to dust adhesion on surface, thus having high reliability. The optical information recording medium has one or more substrates and one or more recording layers, and, respectively, one or more hardening coats and one or more antistatic coats provided on one or two sides of the optical information recording medium.
REFERENCES:
patent: 4849304 (1989-07-01), Uchiyama et al.
patent: 5053288 (1991-10-01), Hashimoto et al.
Patent Abstract of Japan, vol. 10, No. 55, (M-458)(2112), Mar. 5, 1986, & JP-A-60 203 489, Oct. 15, 1985.
Patent Abstracts of Japan, vol. 15, No. 451, (P-1276), Nov. 15, 1991, & JP-A-3 189 940, Aug. 19, 1991.
Ikari Tokuo
Okamoto Kyoko
Yoshikawa Tadao
Evans Elizabeth
Kuraray Co. Ltd.
Ryan Patrick J.
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