Recording medium having an insulating layer
US5014259A · kind A · utility
18Cited by
19References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 2, 1989 |
| Grant date | May 7, 1991 |
| Priority date | — |
| Expiry date | Oct 2, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B7/26
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical storage medium is disclosed. In general, the storage medium includes a substrate, with a first, expansion layer, a second, reflective layer bonded to the first layer, and a third, retention layer bonded to the second layer, opposite the first layer. An opto-electronic system for recording data is also disclosed, along with a method of manufacture of the storage medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.