Patent · US Expired

Method of making thin film magnetic head

US7155808B2 · kind B2 · utility

3Cited by
3References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 15, 2004
Grant dateJan 2, 2007
Priority date
Expiry dateJan 25, 2025

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49083
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A thin-film magnetic head comprises at least one of a magnetoresistive device and an electromagnetic transducer, and a heater adapted to generate heat upon energization. A method of making this thin-film magnetic head comprises a heater forming step of forming the heater, and an annealing step of annealing the heater formed by the heater forming step.

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