Patent · US Expired

Optical recording medium which includes a corrosion resistant film of a mixture of a carbide and a nitride

US4658388A · kind A · utility

24Cited by
6References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 24, 1985
Grant dateApr 14, 1987
Priority date
Expiry dateSep 24, 2005

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S430/162
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An optical recording medium having a substrate, an optical recording layer formed on the substrate, and at least one film consisting of a carbide and a nitride and formed on the substrate.

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