Patent · US Expired

Magneto-optical recording medium

US4559573A · kind A · utility

15Cited by
5References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 9, 1982
Grant dateDec 17, 1985
Priority date
Expiry dateNov 9, 2002

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/12549
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A magneto-optical recording medium having an easy axis of magnetization in a direction perpendicular to the film surface, characterized in that a readout medium layer, a reflection layer and a recording medium layer are sequentially disposed in a direction of the incidence of a reading-out light, thereby to increase a reproduced output.

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