Patent · US Expired

Thin film magnetic head and manufacturing method therefor

US5241440A · kind A · utility

20Cited by
3References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 29, 1992
Grant dateAug 31, 1993
Priority date
Expiry dateJun 29, 2012

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B5/3163
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A thin film magnetic head including conductor coils, a plurality of insulating layers to interpose and insulate the conductor coils and a magnetic gap layer between upper and lower magnetic cores, in which another insulating layer is provided on a stepped region formed by end faces of the plurality of insulating layers.

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