Use of thiazolyl-pyridinium based dyes in optical layers for optical data recording
US7655767B2 · kind B2 · utility
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8References
20Claims
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Key dates
| Filing date | Aug 31, 2005 |
| Grant date | Feb 2, 2010 |
| Priority date | — |
| Expiry date | Aug 31, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/146
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention relates to the use of thiazolyl-pyridinium based dyes in optical layers for optical data recording, preferably for optical data recording using a laser with a wavelength up to 450 nm.The invention further relates to a write only read many (WORM) type optical data recording medium capable of recording and reproducing information with radiation of blue laser, which employs a thiazolyl-pyridinium based type dye in the optical layer.The present invention further relates to new thiazolyl-pyridinium based dyes, of formula (V), (VI) or (VIII).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.