Magnetic disk apparatus having an adjustable mechanism to...

Details Magnetic disk apparatus having an adjustable mechanism to... Magnetic disk apparatus having an adjustable mechanism to...

2006-04-11

2006-04-11

Hudspeth, David (Department: 2651)

Dynamic magnetic information storage or retrieval

General recording or reproducing

Thermomagnetic recording or transducers

C360S294100, C369S013010

Reexamination Certificate

active

07027248

ABSTRACT:
In a thermal assisted type magnetic disk apparatus having a head holding a heat element and a write element, in which coercivity of a disk is locally reduced by temperature-increasing the disk and writing is performed by the write element, along with a seek operation to move the head by a rotary actuator in a radial direction, a yaw angle is changed and a heat area and the write element are track-shifted. A mechanism to offset one of the heat area and the write element in a width direction of a slider, to array the heat element and the write element in a track running direction in correspondence with the yaw angle of the head.

REFERENCES:
patent: 5828644 (1998-10-01), Gage et al.
patent: 6275454 (2001-08-01), Boutaghou et al.
patent: 6324130 (2001-11-01), Hatam-Tabrizi et al.
patent: 6507463 (2003-01-01), Boutaghou
patent: 2001/0033452 (2001-10-01), Koganezawa et al.
patent: 2004/0027728 (2004-02-01), Coffey et al.
patent: 11213419 (1999-08-01), None
patent: 2002208151 (2002-07-01), None

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