Patent · US Expired

Magnetoresistance effect element

US6853520B2 · kind B2 · utility

36Cited by
10References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 4, 2001
Grant dateFeb 8, 2005
Priority date
Expiry dateNov 22, 2021

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/1121
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

There are provided a magnetoresistance effect element, a magnetic head, a magnetic head assembly and a magnetic recording system, which have high sensitivity and high reliability. The magnetoresistance effect element has two ferromagnetic layers, a non-magnetic layer provided between the ferromagnetic layers, and a layer containing an oxide or nitride as a principal component, wherein the layer containing the oxide or nitride as the principal component contains a magnetic transition metal element which does not bond to oxygen and nitrogen and which is at least one of Co, Fe and Ni.

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