Recording medium and recording system
US4383029A · kind A · utility
31Cited by
8References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 27, 1982 |
| Grant date | May 10, 1983 |
| Priority date | — |
| Expiry date | May 27, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/146
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Disclosed in this invention is a recording medium characterized by forming on the support a recording layer containing a metastable sensitive substance which is an intermediate product of a reaction between a first colorless or light-colored material containing the S atoms released by light irradiation and a second colorless or light-colored material which develops color as it is sulfurized by said S atoms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.