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Enhancement of magnetization switching speed in soft ferromagnetic films through control of edge stress anisotropy

  • US 6,793,961 B2
  • Filed: 11/19/2003
  • Issued: 09/21/2004
  • Est. Priority Date: 01/11/2002
  • Status: Active Grant
First Claim
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1. A method for fabricating a soft ferromagnetic film structure with controlled edge stress anisotropy and enhanced magnetization switching speed, comprising the steps of:

  • forming a soft ferromagnetic film structure, said soft ferromagnetic film structure having one or more edges exhibiting edge stress anisotropy; and

    forming a non-ferromagnetic film structure along said one or more edges to induce stress contributions therein that control said edge stress anisotropy.

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