Method and apparatus for storing and retrieving information using optical data storage media
US6936195B2 · kind B2 · utility
5Cited by
5References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 18, 2002 |
| Grant date | Aug 30, 2005 |
| Priority date | — |
| Expiry date | Jun 22, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/10
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Disclosed is a method of manufacturing optical information storage media and multi-layered optical information storage media. Paired information storage structures have characteristic wavelength and polarization states, and from which recorded information can be read by a laser beam having similar wavelength and polarization-state characteristics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.