Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Masaaki Matsuoka0
Shoji Ikeda0
Takayuki Kubomiya0
Date of Patent
November 13, 2007
0Patent Application Number
107868400
Date Filed
February 25, 2004
0Patent Primary Examiner
Patent abstract
The magnetic film includes an FeCo layer, restrains erasing data by a magnetic field leaked from a magnetic pole, has high saturation magnetic flux density and soft magnetism and writes data with high recording density. The magnetic film for a magnetic head of the present invention comprises: a nonmagnetic layer including at least one selected from a group of Ru, Rh, Ir, Cr, Cu, Au, Ag, Pt and Pd; a magnetic layer including Fe and Co. Anisotropy magnetic field is 0.8 kA/m or more.
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