Organic dye for recording layer and high density optical recording medium using the same
US7758943B2 · kind B2 · utility
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6References
11Claims
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Key dates
| Filing date | Jan 10, 2006 |
| Grant date | Jul 20, 2010 |
| Priority date | — |
| Expiry date | Jul 12, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/146
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A recording layer including a novel dye for a high density optical recording medium, employing short wavelength laser source with a wavelength not longer than 530 nm for recording high density information and reproduction/playback of the high density information recordings, is provided. The dye incorporated in the recording layer has the following general chemical structural formula (I):
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.