Title:
OPTICAL RECORDING MEDIA
Document Type and Number:
WIPO Patent Application WO/1998/047717
Kind Code:
A1
Abstract:
Optical recording media comprising a base (1), a recording layer (2) formed thereon, and a reflecting layer (3) formed on the layer (2), wherein the recording layer (2) contains at least one kind of specified dyes selected from among polymethine dyes having 1 to 4 carbon atoms in the main methine chain to secure a sufficient recording sensitivity to a light in the red wavelength region.
Inventors:
TAMURA SHINICHIRO (JP)
OYAMADA MITSUAKI (JP)
OYAMADA MITSUAKI (JP)
Application Number:
PCT/JP1998/001881
Publication Date:
October 29, 1998
Filing Date:
April 23, 1998
Export Citation:
Assignee:
SONY CORP (JP)
TAMURA SHINICHIRO (JP)
OYAMADA MITSUAKI (JP)
TAMURA SHINICHIRO (JP)
OYAMADA MITSUAKI (JP)
International Classes:
B41M5/26; C07D209/14; C07D209/60; C07D235/20; C07D277/64; C07D293/06; C07D401/06; C07D403/06; C07D413/06; C07D417/06; C07D471/04; C09B23/00; G11B7/244; G11B7/247; B41M5/385; (IPC1-7): B41M5/26; G11B7/00
Foreign References:
| JPH03281287A | 1991-12-11 | |||
| JPH0999642A | 1997-04-15 | |||
| JPS62268689A | 1987-11-21 | |||
| JPH08337728A | 1996-12-24 | |||
| JPH02200486A | 1990-08-08 | |||
| JPH0244524A | 1990-02-14 |
Other References:
See also references of EP 0978392A4
Attorney, Agent or Firm:
Koike, Akira (6-4 Toranomon 2-chom, Minato-ku Tokyo, JP)
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