US Patent 7889448 Magnetic spacing measurement
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Patent abstract
One embodiment in accordance with the invention includes a method. The method can include utilizing a harmonic test on a magnetic disk of a hard disk drive that produces a first result and a second result. A magnetic spacing distance between a transducer head of the hard disk drive and the magnetic disk can be determined utilizing the first result and the second result. A flying height between a head structure of the hard disk drive and a surface of the magnetic disk can be determined utilizing the magnetic spacing distance.
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US Patent 07889448 Magnetic spacing measurement US Patent 7889448 Magnetic spacing measurement
Infobox
Patent Number
0788944800
Patent Number
788944800
Edits on 25 Mar, 2023
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
078894480
Date of Patent
February 15, 2011
0Patent Application Number
109900520
Date Filed
November 15, 2004
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
078894480
Date of Patent
February 15, 2011
0Patent Application Number
109900520
Date Filed
November 15, 2004
0Official Website
Patent Primary Examiner
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US Patent 07889448 Magnetic spacing measurement
Infobox
Is a
Patent jurisdiction
Patent number
07889448
Date of patent
February 15, 2011
Patent application number
10990052
Date Filed
November 15, 2004
Patent primary examiner
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