Load/unload mechanism for magnetic disk drive

Details Load/unload mechanism for magnetic disk drive Load/unload mechanism for magnetic disk drive

2008-04-29

2008-04-29

Dinh, Tan (Department: 2627)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

C360S254800

Reexamination Certificate

active

11446044

ABSTRACT:
Formation of wear powder caused by wear of a ramp which is attributable to mutual contact of a lift tab and the ramp is to be reduced in loading and unloading operations. In one embodiment, a spindle motor is turned on by application of power, then the temperature of a ramp is measured and it is determined whether the temperature of the ramp has reached a preset temperature (about 25° C.) or not. If the answer is negative, a heater is energized to heat the ramp for raising the temperature of the ramp. When it is detected that the temperature of the ramp has reached the preset temperature, the heating of the ramp is stopped and the execution of loading and unloading operations is permitted, then an ordinary processing is started.

REFERENCES:
patent: 5394281 (1995-02-01), Kajitani
patent: 5808837 (1998-09-01), Norton
patent: 5831786 (1998-11-01), Boutaghou et al.
patent: 6122130 (2000-09-01), Boutaghou et al.
patent: 6441982 (2002-08-01), Fukushima et al.
patent: 7046474 (2006-05-01), Kuramoto et al.
patent: 2003/0202274 (2003-10-01), Onda et al.
patent: 2002-367313 (2002-12-01), None

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