Information recording medium and recording method
US6524678B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 16, 2001 |
| Grant date | Feb 25, 2003 |
| Priority date | — |
| Expiry date | Feb 16, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/21
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical information recording medium comprising a substrate having thereon a recording layer capable of information recording by laser irradiation, wherein said recording layer contains a dye compound represented by the following formula (I), (II) or (III):R11R12N+═L11—L12═L13—NHR13.(1/m)(X1)m−  (I) R21R22N—L21═L22—L23═NR23  (II) R31R32N+═L32═L33—NR33R34.(1/n)(X3)n−  (III).The meanings of the symbols are defined and explained in the specification. Also discussed is a method for recording information using the optical information recording medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.