Patent · US Expired

Optical recording medium, and method and device using the same

US6936323B2 · kind B2 · utility

3Cited by
31References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 30, 2004
Grant dateAug 30, 2005
Priority date
Expiry dateApr 30, 2024

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/21
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An optical recording medium includes a substrate and at least a recording layer deposited on or above the substrate, and the recording layer contains at least one formazan-metal chelate compound containing a formazan compound and a metal component; at least one squarylium-metal chelate compound containing a squarylium compound and a metal component; and at least one diarylamine compound.

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