Patent · US Expired

Magneto-optical recording medium

US4497870A · kind A · utility

6Cited by
0References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 6, 1983
Grant dateFeb 5, 1985
Priority date
Expiry dateApr 6, 2003

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31678
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A magneto-optical recording medium comprising a layer of amorphous rare-earth-transition-metal alloy having a uniaxial magnetic anisotropy, the alloy containing germanium as additive, and the recording medium having high crystallization temperature, enough stability and good reading S/N ratio.

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