Magnetic disk device rotary actuator with magnetic locking

Details Magnetic disk device rotary actuator with magnetic locking Magnetic disk device rotary actuator with magnetic locking

2005-07-05

2005-07-05

Miller, Brian E. (Department: 2652)

Dynamic magnetic information storage or retrieval

Head mounting

For moving head into/out of transducing position

Reexamination Certificate

active

06914753

ABSTRACT:
A magnetic disk device configured such that a carriage having an arm on one end and a coil on the other end is pivotally supported rotatably on a chassis, the arm having a magnetic head on its tip, the other end of the carriage loaded with the coil is placed in a magnetic circuit having a magnet the carriage is rotated around an axis core by driving force generated on the coil, and the tip of the arm having the magnetic head is moved over a magnetic disk and a retreat position on a ramp. In such a device, magnetized protrusion is provided on the proximal end of the arm.

REFERENCES:
patent: 5566375 (1996-10-01), Isomura
patent: 5675455 (1997-10-01), Matsumoto
patent: 5801904 (1998-09-01), Kinoshita et al.
patent: 6028744 (2000-02-01), Amirkiai et al.
patent: 6137658 (2000-10-01), Matsuzaki et al.
patent: 6487052 (2002-11-01), Macpherson et al.
patent: 6654207 (2003-11-01), Hong et al.
patent: 5-166316 (1993-07-01), None
patent: 6-236645 (1994-08-01), None
patent: 2001-210039 (2001-08-01), None

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