Optical recording medium and porphycene compound
US6627288B1 · kind B1 · utility
5Cited by
6References
33Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Aug 2, 2001 |
| Grant date | Sep 30, 2003 |
| Priority date | — |
| Expiry date | Oct 5, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/21
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A recordable optical recording medium of this invention capable of good recording and reproduction with a laser at wavelengths of 300 to 500 nm and/or 500 to 700 nm comprises at least one porphycene compounds optionally chelated with a metal in its recording layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.