Patent · US Expired

Three terminal magnetic head having a magnetic semiconductor and a tunnel magnetoresistive film and magnetic recording apparatus including the head

US6934133B2 · kind B2 · utility

11Cited by
1References
28Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 27, 2003
Grant dateAug 23, 2005
Priority date
Expiry dateNov 13, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B5/3906
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A three terminal magnetoresistance head capable of providing a high output and a large output current is provided. A MIS junction multilayer film composed of a magnetic semiconductor, a metal magnetic multilayer film, and a tunnel magnetoresistance element is applied to a three terminal magnetoresistance device.

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