Optical recording medium and method of recording to the same
US7715293B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 8, 2006 |
| Grant date | May 11, 2010 |
| Priority date | — |
| Expiry date | May 14, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B7/00454
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
To provide a method of recording information to an optical recording medium comprising recording a mark of time length nT (n: natural number of 3 or more, T: clock cycle) in an optical recording medium capable of supporting different recording speeds and having constant information line density, and irradiating the optical recording medium, the optical recording medium irradiated with light of alternating m1 heating pulses of power Pw and m1 cooling pulses of power Pc (where m1 is a natural number smaller than n) provided v<v0 (where v is a scanning speed and v0 is a scanning speed unique to each optical recording medium), the optical recording medium irradiated with light of alternating m2 heating pulses of power Pw and m2 cooling pulses of power Pc (where m2 is a natural number smaller than n) provided v≧v0, wherein the condition n/m1≧n/m2 is satisfied.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.