Patent · US Expired

Hybrid read-write head for perpendicular recording media

US4541026A · kind A · utility

23Cited by
9References
16Claims
0Family size

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Inventors

Key dates

Filing dateJul 20, 1982
Grant dateSep 10, 1985
Priority date
Expiry dateJul 20, 2002

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B5/1278
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A hybrid read/write head for use with a perpendicular recording medium is a laminate of prefabricated members having thin film magnetic layers as the read/write and tunnel erase pole tips.

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