Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Drum record
Patent
1997-12-30
1999-11-09
Wolff, John H.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Drum record
G11B 548
Patent
active
059825855
ABSTRACT:
A rotary microactuator includes a movable structure having a center of rotation about which the movable structure rotates, a stationary structure formed on a substrate, and a flexure member attaching the movable structure to the attachment structure of the stationary structure. The stationary structure has an attachment structure having an area including the center of rotation of the movable structure and having an attachment surface enclosing the center of rotation. The flexure member includes at least one flexure element. Each flexure element is attached to the attachment surface of the attachment structure and extends radially to the movable structure. A distance between the center of rotation of the movable structure and a point on the attachment surface of the stationary structure where one end of a flexure element is attached being shorter than a length of the flexure element.
REFERENCES:
patent: 5657188 (1997-08-01), Jurgenson et al.
patent: 5793571 (1998-08-01), Jurgenson et al.
patent: 5856896 (1999-01-01), Berg et al.
Fan Long-Sheng
Hirano Toshiki
International Business Machines - Corporation
Tran Khanh Q.
Wolff John H.
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