Patent · US Expired

Optomagnetic recording medium

US5340647A · kind A · utility

3Cited by
6References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 1, 1992
Grant dateAug 23, 1994
Priority date
Expiry dateSep 1, 2012

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/265
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An optomagnetic recording medium comprising a substrate plate and, provided thereon, a recording layer and a reflection layer, said reflection layer consisting of a thin layer of an alloy of aluminum and tantalum.

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