Title:
MAGNETORESISTANCE EFFECT ELEMENT, ITS MANUFACTURING METHOD, MAGNETIC HEAD, AND MAGNETIC DISK DEVICE
Document Type and Number:
Japanese Patent JP2006186184
Kind Code:
A
Abstract:
To narrow the effective core width of an effective free layer beyond the restriction or limitation of an etching process in a magnetroresistance effect element, a method for manufacturing the element, a magnetic head, and a magnetic disk device.
In the magnetoresistance effect element, a diffusion material layer 8 made of a nonmagnetic material is provided so as to be contacted with the side wall of a magnetroresistance effect film 2 containing at least a free layer 3. A diffusion layer 9 is provided so that elements in the diffusion material layer 8 are diffused in the vicinity of an interface contacted with the diffusion material layer 8 of the free layer 3.
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Inventors:
SUGAWARA TAKAHIKO
Application Number:
JP2004379710A
Publication Date:
July 13, 2006
Filing Date:
December 28, 2004
Export Citation:
Assignee:
FUJITSU LTD
International Classes:
H01L43/08; G11B5/39; H01L43/12
Attorney, Agent or Firm:
Manabe Kiyoshi
Shoji Kashiwaya
Koichi Watanabe
Toshiro Ito
Shoji Kashiwaya
Koichi Watanabe
Toshiro Ito
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