Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Drum record
Patent
1996-08-06
1997-09-16
Wolff, John H.
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Drum record
360105, G11B 554, G11B 2116
Patent
active
056686846
ABSTRACT:
A disk drive has an improved electrical interconnect assembly for coupling one or more conductive paths leading from a read/write head with the conductive terminals of a flexible cable. The improved interconnect assembly includes an interconnect tab with a plurality of interconnect pads attached thereto. The interconnect tab is connected to a suspension assembly containing a planar suspension member which is located and secured on the actuator arm such that the interconnect tab extends beyond the peripheral edge of the actuator arm. The interconnect tab is inclined toward the side of the actuator arm opposite the side on which the suspension assembly is mounted. The end of the inclined interconnect tab extends to a distance from the planar suspension member approximately equal to half the thickness of the actuator arm. The flexible conductive cable has conductive paths connected to an array of terminals which is oriented at an incline wherein each terminal is aligned with a corresponding interconnect pad. Each flexible cable terminal and corresponding interconnect pad defines an L-shaped joint that is electrically coupled by an electrically conductive fillet, thereby electrically interconnecting the read/write head to the flexible conductive cable. More than one suspension assembly utilizing this improved electrical interconnect assembly can be secured to a single actuator arm and multiple actuator arms can be used in a single disk drive. The interconnect assembly allows the disks to be spaced closer together by better utilization of the vertical space occupied by the actuator arms and disks.
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Erpelding A. David
Palmer Darrell D.
Pattanaik Surya
Bradley James E.
Dillon Andrew J.
International Business Machines - Corporation
Krall Noreen A.
Wolff John H.
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