Title:
WRITE-ONLY READ MANY OPTICAL DISK FOR CD OR CD-ROM
Document Type and Number:
Japanese Patent JPH0596861
Kind Code:
A
Abstract:
PURPOSE: To provide an optical disk in conformity with an orange book which can completely record/reproduce a wavelength range of 770-810nm by realizing optical characteristics stable in the range.
CONSTITUTION: A recording film of a write-only read many optical disk having a transparent substrate/a recording film/a reflecting film for recording a compact disk format or compact disk ROM format signal contains phthalocyanine series colorant represented by a formula.
Inventors:
TAMANO MICHIKO
SAKAMOTO MARE
SAKAMOTO MARE
Application Number:
JP29224791A
Publication Date:
April 20, 1993
Filing Date:
October 11, 1991
Export Citation:
Assignee:
TOYO INK MFG CO
International Classes:
B41M5/26; G11B7/24; G11B7/244; (IPC1-7): B41M5/26; G11B7/24