US Patent 7127729 Magneto-optical head and magneto-optical disk drive
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Patent Inventor Names
Goro Kawasaki0
Hiroyasu Yoshikawa0
Koichi Tezuka0
Nobuyuki Kanto0
Tohru Fujimaki0
Tsuyoshi Matsumoto0
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Patent abstract
A magneto-optical head including a lens forming a light spot on a storage disk, a magnetic field generating coil arranged between the lens and the disk to surround the optical center of the lens, and an annular heat sink arranged around the coil. The distance between the outer circumference of the coil and the inner circumference of the heat sink is 70–100 μm.
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US Patent 07127729 Magneto-optical head and magneto-optical disk drive US Patent 7127729 Magneto-optical head and magneto-optical disk drive
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Patent Number
071277290
Patent Number
71277290
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Official Website
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Patent Jurisdiction
Patent Number
071277290
Date of Patent
October 24, 2006
0Patent Application Number
108062030
Date Filed
March 22, 2004
0Official Website
Patent Primary Examiner
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US Patent 07127729 Magneto-optical head and magneto-optical disk drive
Infobox
Is a
Patent jurisdiction
Patent number
07127729
Date of patent
October 24, 2006
Patent application number
10806203
Date Filed
March 22, 2004
Patent primary examiner
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