Patent · US Expired

Process for making a plane magnetic head and magnetic head obtained by this process

US5863450A · kind A · utility

14Cited by
5References
14Claims
0Family size

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Key dates

Filing dateNov 4, 1996
Grant dateJan 26, 1999
Priority date
Expiry dateNov 4, 2016

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B5/3183
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

Process for making a plane magnetic head and magnetic head obtained by this process. A hard protective layer surrounds polar parts. The non-magnetic spacer and polar parts are flush with the level of this protective layer. This layer is preferably made of diamond like carbon.

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