Optical recording medium and optical recording method
US5004671A · kind A · utility
9Cited by
9References
52Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 20, 1988 |
| Grant date | Apr 2, 1991 |
| Priority date | — |
| Expiry date | Dec 20, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/146
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical recording medium is provided which comprises a diacetylene derivative compound and at least one compound selected from the group consisting of azulenium salt compounds, pyrylium dyes, diene compounds, croconic methines, and polymethine compounds. An optical recording method is also provided which comprises a step of writing by irradiating with a radiation ray corresponding to a recording information an optical recording medium comprising a polydiacetylene derivative compound and a compound selected from the above-mentioned group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.