Updateable optical storage medium
US4202928A · kind A · utility
13Cited by
3References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 24, 1978 |
| Grant date | May 13, 1980 |
| Priority date | — |
| Expiry date | Jul 24, 1998 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C1/705
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Amorphous silicon layers deposited on a suitable substrate in a glow discharge of silane or other silicon containing compounds are sensitive optical storage media.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.