Patent · US Expired

Method of patterning a layer of magnetic material

US6759263B2 · kind B2 · utility

65Cited by
12References
24Claims
0Family size

Inventors

Key dates

Filing dateAug 29, 2002
Grant dateJul 6, 2004
Priority date
Expiry dateOct 12, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S438/911
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A method of patterning a layer of magnetic material to form isolated magnetic regions. The method forms a mask on a film stack comprising a layer of magnetic material such the protected and unprotected regions are defined. The unprotected regions are oxidized to form isolated magnetic regions.

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