Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Drum record
Patent
1997-02-19
1999-06-01
Tupper, Robert S.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Drum record
G11B 555
Patent
active
059093420
ABSTRACT:
A rotary actuator for disk drives includes a carriage rotatable on a vertical axis, and multiple transducing head suspensions extended horizontally away from the carriage in cantilever fashion. Data reading and writing circuitry includes an electrical circuit package mounted at the carriage, and multiple flexible printed circuits extending horizontally away from the circuit package, each for electrical coupling to one of the transducing heads. A series of slots, formed through the circuit package along one edge, support the flexible printed circuits to achieve an electrical and mechanical coupling that orients the flexible printed circuits with their major planes horizontal throughout their respective lengths, avoiding any twists of the flexible circuitry while providing improved damping and electrical performance. Alternative connecting structures, in lieu of the slots, include rigid rails on one or both sides of each flexible printed circuit, and bendable tabs incorporated into the printed circuits.
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patent: 5055969 (1991-10-01), Putnam
patent: 5161074 (1992-11-01), Forbord et al.
patent: 5276572 (1994-01-01), Kinoshita et al.
patent: 5422764 (1995-06-01), McIlvanie
patent: 5644448 (1997-07-01), Suzuki
Fastner Kenneth R.
Forbord Kent J.
Putnam John S.
Schulz Kevin J.
Niebuhr Frederick W.
Seagate Technology Inc.
Tupper Robert S.
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