Benzoindole styryl compounds and their uses in high-density...

Details Benzoindole styryl compounds and their uses in high-density... Benzoindole styryl compounds and their uses in high-density...

2006-03-21

2006-03-21

Angebranndt, Martin (Department: 1756)

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

C430S270180, C430S945000, C428S064800, C369S288000, C540S463000, C540S490000, C540S469000

Reexamination Certificate

active

07014981

ABSTRACT:
The invention discloses new benzoindole styryl compounds and its use for a high-density optical recording medium. The invention uses the dyes of the new benzoindole styryl compounds to form the recording layer of high-density recording media. The new benzoindole styryl compounds are easy to prepare and purify, so they are cheaper when comparing to the compounds generally used in high-density optical recording media. The benzoindole styryl compounds has a maximum absorption for the light wavelength in the range of 500 nanometers to 700 nanometers. The benzoindole styryl compounds also have high sensitivity and chemical stability for light and heat. Using the new benzoindole styryl compounds to form a high-density optical recording medium can match up with the short-wavelength laser beam for high-density optical recording media and have the advantage of a stable quality.

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patent: 1130063 (2001-09-01), None

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