Dynamic magnetic information storage or retrieval – Head mounting – For adjusting head position
Patent
1998-01-21
2000-09-19
Klimowicz, William
Dynamic magnetic information storage or retrieval
Head mounting
For adjusting head position
3602647, G11B 555, G11B 556, G11B 2124
Patent
active
06122149&
ABSTRACT:
A microactuator for radially positioning a transducing head over a selected radial track of a rotatable disc in a disc drive system having a flexure to support a slider carrying the transducing head includes a stator operatively attached to the flexure. First and second pole pieces are substantially parallel to and spaced from each other, each having first and second ends. A via magnetically connects the first and second pole pieces. The first and second pole pieces are shaped so that a first gap between the first end of the first pole piece and the first end of the second pole piece is smaller than a second gap between the second end of the first pole piece and the second end of the second pole piece. A plurality of coils are wrapped around the stator. A rotor confronts the second end of the first pole piece and the second end of the second pole piece. The rotor is operatively attached to the slider and is movable with respect to the stator in response to an electrical current applied through the coils, so that movement of the rotor alters a radial position of the transducing head with respect to the flexure.
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Crane Peter
Ryan Patrick J.
Zhang Lei
Klimowicz William
Seagate Technology Inc.
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