Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Chao-Peng Chen0
Xiaohong Yang0
Jei-Wei Chang0
Date of Patent
December 15, 2009
0Patent Application Number
120822560
Date Filed
April 10, 2008
0Patent Primary Examiner
Patent abstract
A write pole for vertical magnetic recording is described. It includes a trapezoidal prism of high magnetic moment material, having inwardly sloping sidewalls. Its parallel surfaces are between about 0.1 and 0.3 microns apart and the sidewalls slope in the range of 15.5 to 60 degrees relative to vertical.
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