Storage medium, reproducing method, and recording method
US7914969B2 · kind B2 · utility
1Cited by
4References
3Claims
0Family size
Assignee
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Key dates
| Filing date | Apr 13, 2006 |
| Grant date | Mar 29, 2011 |
| Priority date | — |
| Expiry date | Feb 10, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/146
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
According to one embodiment, a write-once type information storage medium comprises a recording layer which is formed by mixing a plurality of organic dye based recording materials whose molecular weights are different from each other, and wherein a mixture ratio of organic dye based recording materials whose molecular weight is small is larger than a mixture ratio of organic dye based recording materials whose molecular weight is large.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.