Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tsuyoshi Matsumoto0
Koichi Tezuka0
Nobuyuki Kanto0
Tohru Fujimaki0
Goro Kawasaki0
Hiroyasu Yoshikawa0
Date of Patent
October 24, 2006
0Patent Application Number
108062030
Date Filed
March 22, 2004
0Patent Primary Examiner
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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