Patent · US Expired

Optical information recording medium

US6218072A · kind A · utility

10Cited by
11References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 19, 1998
Grant dateApr 17, 2001
Priority date
Expiry dateNov 19, 2018

Classification

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

Abstract

An optical information recording medium provided on a substrate thereof with a recording layer comprising a dye-containing layer, wherein the recording layer further comprises an organometallic dye compound containing a metal or a metallic ion, which is characterized in that an absorption spectrum curve of the recording organic dye is intersected with an absorption spectrum curve of the organometallic dye compound, and that the organometallic dye compound exhibits a maximum absorption wavelength on a longer wavelength side in relative to a maximum absorption wavelength of the recording organic dye.

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