Patent · US Expired

Optical recording medium

US4740449A · kind A · utility

5Cited by
2References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 22, 1986
Grant dateApr 26, 1988
Priority date
Expiry dateApr 22, 2006

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S430/146
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An optical recording medium is provided which comprises an optical recording layer provided on a support, said optical recording layer containing a compound modifiable under light irradiation and gelled polymer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.