Magneto-optic disk device and method of positioning magnetic head of the device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Nov 30, 2004
Grant Date -
Jul 17, 2003
app pub date -
Dec 18, 2002
filing date -
Jun 19, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a structure for and a method of adjusting the position of a magnetic head especially tangentially of a magnetic disk with improved accuracy for use in an optomagnetic disk device. The device has a head support unit 20 comprising a pickup 12 having an objective lens 10 mounted thereon, and a head arm 14 connected to the pickup 12 and provided with a magnetic head 16, the head arm 14 being adjustable in position relative to the pickup 12 so that the magnetic head 16 is opposed to the objective lens 10 on the pickup 12, the head support unit 20 being movable radially of the disk. The pickup 12 has at least one screw hole 22 for attaching the head arm 14 thereto, and the head arm 14 has a slit 24 opposed to the screw hole 22 of the pickup 12 and in parallel to the tangential direction of the disk. A screw 26 is slidably fitted in the slit 24 of the head arm 14 and has its distal end screwed in the screw hole 22. An elastic member 30 is provided between the screw 26 and the head arm 14 for pressing the head arm 14 against the pickup 12.
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