US Patent 7489474 Magnetic head having a notched pole piece structure
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Patent Inventor Names
Jyh-Shuey Jerry Lo0
Wen-Chein David Hsiao0
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Patent abstract
A magnetic head includes a first pole piece; a second pole piece; a pedestal formed over a central portion of the first pole piece; a gap separating the pedestal from the second pole piece; and at least one of a top straight walled portion over the pedestal and a bottom straight-walled portion underneath the pedestal, the pedestal being notched with angled side walls.
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US Patent 07489474 Magnetic head having a notched pole piece structure US Patent 7489474 Magnetic head having a notched pole piece structure
Infobox
Patent Number
074894740
Patent Number
74894740
Edits on 30 Mar, 2023
Golden AI
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Patent Jurisdiction
Patent Number
074894740
Date of Patent
February 10, 2009
0Patent Application Number
120462700
Date Filed
March 11, 2008
0Official Website
Patent Primary Examiner
Edits on 14 Jun, 2022
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US Patent 07489474 Magnetic head having a notched pole piece structure
Infobox
Is a
Patent jurisdiction
Patent number
07489474
Date of patent
February 10, 2009
Patent application number
12046270
Date Filed
March 11, 2008
Patent primary examiner
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