Optical recording medium containing meta-position aluminium-type

Details Optical recording medium containing meta-position aluminium-type Optical recording medium containing meta-position aluminium-type

1989-11-22

1991-06-18

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

430270, 430495, 430945, 428 64, 3461351, G03C 100, B32B 302, G11B 1103

Patent

active

050249177

ABSTRACT:
The present invention provides an IR-ray absorptive compound having a specific structural formula and an optical recording medium. The IR-ray absorptive compound has excellent characteristics that absorption in the infrared region is large and improved in solvent solubility.
In corporation of the IR-ray absorptive compound into a thin film containing an organic coloring matter of an optical recording medium has remarkably improved the storage stability and the light resistance of the medium. Further the high solubility in solvents prevents formation of a solid in the recording layer, whereby the optical recording medium having a low noise level can be obtained.

REFERENCES:
patent: 3251881 (1966-05-01), Susi et al.
patent: 3484467 (1969-12-01), Susi et al.
patent: 3575871 (1971-04-01), Susi et al.
patent: 4656121 (1987-04-01), Sato et al.
patent: 4871601 (1989-10-01), Miura et al.
patent: 4892606 (1990-01-01), Miyazaki et al.

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