Optical storage structure
US4625215A · kind A · utility
4Cited by
4References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 6, 1984 |
| Grant date | Nov 25, 1986 |
| Priority date | — |
| Expiry date | Jul 6, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/146
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An information storage device in combination with a radiation recording structure comprising a substrate, a recording layer, a thin electrically conductive over-layer on the outer surface of the recording structure and a neutralizing means for maintaining said over-layer at a neutral electrical potential.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.