Rotating disk storage device with actuator lock mechanism

Details Rotating disk storage device with actuator lock mechanism Rotating disk storage device with actuator lock mechanism

2005-05-31

2009-10-20

Miller, Brian E (Department: 2627)

Dynamic magnetic information storage or retrieval

Head mounting

For moving head into/out of transducing position

C360S256300

Reexamination Certificate

active

07606004

ABSTRACT:
Embodiments of the invention permit a magnet-based actuator lock mechanism to operate smoothly in a magnetic disk drive that uses a base made of a magnetic material. In one embodiment, the base to be used is made of a magnetic material. The actuator lock mechanism includes a rotatable arm that retains a magnet. A magnetic attraction force, which is oriented toward the base as indicated by an arrow, is generated in the magnet. The base is provided with a cut to reduce the attraction force. The cut is covered with a sealing material to maintain internal airtightness. The actuator lock mechanism may be, for instance, an eddy-current latch, inertia latch, or magnetic latch.

REFERENCES:
patent: 5303101 (1994-04-01), Hatch et al.
patent: 5880904 (1999-03-01), Mizoshita et al.
patent: 6462913 (2002-10-01), Chew
patent: 2005/0117258 (2005-06-01), Ohta et al.
patent: 10-302417 (1998-11-01), None
patent: 2004303290 (2004-10-01), None
patent: 2005085441 (2005-03-01), None

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