Thermo-optic information writing process and information support for implementing this process
US4586165A · kind A · utility
8Cited by
4References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 11, 1983 |
| Grant date | Apr 29, 1986 |
| Priority date | — |
| Expiry date | Jul 11, 2003 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B2007/24314
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The invention relates to thermo-optic writing on an information support comprising a substrate on which there is deposited an organic sub-layer covered by a metal layer. The invention provides a writing process which consists in creating in the metal layer a plastic deformation due to the thrust exerted by the localized swelling of the sub-layer. The writing produces a relief impression without piercing of said metal layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.