Phase-change type information recording medium
US5298305A · kind A · utility
29Cited by
5References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 29, 1992 |
| Grant date | Mar 29, 1994 |
| Priority date | — |
| Expiry date | Dec 29, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31678
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A phase-change type information recording medium composed of a substrate and a recording layer formed on the substrate, which recording layer is composed of a recording material with the composition thereof in terms of atomic percentage being represented by general formula: EQU Ag.sub..alpha. In.sub..beta. Te.sub..gamma. Sb.sub..delta. +M.sub.x 0.5.ltoreq.x.ltoreq.10, .alpha.+.beta.+.gamma.+.delta.+x=100, and M is one wherein 5.ltoreq..alpha..ltoreq.17, 6.ltoreq..beta..ltoreq.18, 13.ltoreq..gamma..ltoreq.36, 33.ltoreq..delta..ltoreq.77, additional element selected from the group consisting of B, N, C, P and Si.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.