Patent · US Expired

Magnetooptical storage element

US4717628A · kind A · utility

16Cited by
7References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 19, 1986
Grant dateJan 5, 1988
Priority date
Expiry dateFeb 19, 2006

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31678
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A magnetooptical storage element having a recording layer of a multi-layer construction including a reflective layer. The reflective layer is made of an aluminium-nickel alloy obtained by adding nickel to aluminium such that the aluminium-nickel alloy contains approximately 2 to 10 atomic percent of nickel.

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