Stock material or miscellaneous articles – Circular sheet or circular blank – Recording medium or carrier
Patent
1993-09-21
1995-05-30
Ryan, Patrick J.
Stock material or miscellaneous articles
Circular sheet or circular blank
Recording medium or carrier
428 65, 428457, 428913, 430945, 3461351, 347 264, B32B 300
Patent
active
054199395
ABSTRACT:
An optical recording disk includes a dye base recording layer, an intermediate layer, and a reflective layer on a substrate in the described order. The reflective layer is composed of one or more metal elements, for example, copper alloy, and the intermediate layer contains a compound of the one metal element or a compound of at least one of the metal elements, for example copper oxide. The intermediate layer minimizes undesirable interactions between the recording and reflective layers.
REFERENCES:
patent: 5090009 (1989-04-01), Hamada et al.
patent: 5196250 (1993-03-01), Abe et al.
patent: 5213859 (1993-05-01), Aoi et al.
patent: 5238723 (1993-08-01), Yoshizawa et al.
patent: 5344682 (1994-09-01), Mizukuki
Nikkei Electronics; Jan. 23, 1989 (No. 465), p. 107.
The Functional Dye Department of the Kinki Chemical Society Mar. 3, 1989; pp. 15-20.
SPIE; vol. 1078; Optical Recording Topical Meeting; 1989; pp. 80-87, Hamada et al.
Aoi Toshiki
Arioka Hiroyuki
Dohi Hideki
Ogawa Akio
Evans Elizabeth
Ryan Patrick J.
TDK Corporation
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