Patent · US Expired

Optical recording medium and recording method

US5391461A · kind A · utility

4Cited by
6References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 19, 1993
Grant dateFeb 21, 1995
Priority date
Expiry dateMar 19, 2013

Classification

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

Abstract

An optical recording medium for pit length recording with excellent error rate and jitter value which has a transparent injection molded resin substrate, a recording layer containing a phthalocyanine dye of formula (1) overlying the substrate and a covering layer overlying the recording layer. Also, a method of optical recording by pit length recording with a focused laser beam using an optical recording medium as described above.

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