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Patent Searching and Data


Title:
OPTICAL RECORDING MEDIUM
Document Type and Number:
WIPO Patent Application WO/1985/005078
Kind Code:
A1
Abstract:
An optical recording medium onto which data is written by a recording light such as a laser beam and from which data is reproduced by the reproducing light. The optical recording medium prevents the characteristics from being deteriorated by the reproducing light, and further prevents the writing sensitivity and the S/N ratio of reading from being deteriorated. The optical recording medium has a recording layer (2) formed on a substrate (1), the recording layer (2) containing a mixture of cyanine coloring matter and a bonded matter of cyanine coloring matter cations and quencher anions.

Inventors:
NAMBA KENRYO (JP)
ASAMI SHIGERU (JP)
AOI TOSHIKI (JP)
TAKAHASHI KAZUO (JP)
KUROIWA AKIHIKO (JP)
Application Number:
PCT/JP1985/000253
Publication Date:
November 21, 1985
Filing Date:
May 02, 1985
Export Citation:
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Assignee:
TDK CORP (JP)
International Classes:
G11B7/246; G11B7/247; G11B7/2472; G11B7/249; G11B7/2495; G11B7/253; G11B7/2533; G11B7/2534; (IPC1-7): B41M5/26; G11B7/24
Foreign References:
JPS5087649A1975-07-14
JPS5711090A1982-01-20
JPS5978341A1984-05-07
JPS58219091A1983-12-20
JPS58175693A1983-10-14
Other References:
See also references of EP 0181941A4
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