Storage medium, reproducing method, and recording method
US8142981B2 · kind B2 · utility
1Cited by
3References
6Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 12, 2006 |
| Grant date | Mar 27, 2012 |
| Priority date | — |
| Expiry date | May 8, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2007/24612
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
According to one embodiment, a write-once type information storage medium comprises an organic dye based recording material having sensitivity at a wavelength of 405 nm and at a recording wavelength in the range of 600 nm to 700 nm, wherein, when absorbance of a maximum absorption wavelength in the vicinity of 405 nm is defined as 1, the absorbance is 5% or more at any wavelength in the range of 600 nm to 700 nm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.