Patent · US Expired

Thin-film magnetic head, head gimbal assembly, and hard disk drive incorporating a heater

US7224553B2 · kind B2 · utility

14Cited by
6References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 14, 2004
Grant dateMay 29, 2007
Priority date
Expiry dateSep 15, 2025

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B5/105
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A thin-film magnetic head comprises at least one of an electromagnetic transducer and a magnetoresistive device, and a heater member adapted to generate heat upon energization. The heater member contains NiCu or NiCr.

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