Patent · US Expired

Exchange coupling film and magnetoresistive element

US6057049A · kind A · utility

25Cited by
10References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 13, 1995
Grant dateMay 2, 2000
Priority date
Expiry dateDec 13, 2015

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/263
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An exchange coupling film comprises a ferromagnetic film and an antiferromagnetic film laminated on the ferromagnetic film, wherein at least a portion of the antiferromagnetic film has a face-centered cubic crystal structure and the antiferromagnetic film comprises an IrMn alloy represented by the general formula of Ir.sub.x Mn.sub.100-x, wherein x stands for a value by atomic % satisfying the expression, 2.ltoreq.x.ltoreq.80.

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