Title:
ATTACHMENT OF A HEAD-GIMBAL ASSEMBLY TO A PRINTED CIRCUIT BOARD ACTUATOR ARM USING Z-AXIS CONDUCTIVE ADHESIVE FILM
Document Type and Number:
WIPO Patent Application WO2002101730
Kind Code:
A3
Abstract:
Method and apparatus for forming a disc drive actuator assembly (105). A rigid actuator arm (120) formed of printed circuit board (PCB) material is configured for placement over a rotatable disc (104). A head-gimbal assembly (HGA)(124, 146) is provided comprising a data transducing head (106), a flexible suspension assembly (118) and a conductor (140) which is connected to the head and routed along the flexible suspension assembly. A Z-axis conductive adhesive film (132) is used to mechanically and electrically connect the HGA with a distal end of the PCB actuator arm. The Z-axis conductive adhesive film is substantially conductive across the thickness of the film and is substantially nonconductive along the length and width of the film. In a preferred embodiment, the film establishes a grounding path to dissipate electrostatic charge in the HGA. In another embodiment, the film establishes a data signal path for the head.
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Inventors:
KUBE TODD W
BLAKESLEE BRUCE LYNN
CHANG ALEXANDER WEI
BLAKESLEE BRUCE LYNN
CHANG ALEXANDER WEI
Application Number:
PCT/US2001/047537
Publication Date:
March 06, 2003
Filing Date:
December 11, 2001
Export Citation:
Assignee:
SEAGATE TECHNOLOGY LLC (US)
International Classes:
G11B5/60; G11B5/48; G11B25/04; H05K3/36; H05K3/10; H05K3/32; (IPC1-7): G11B5/48
Foreign References:
| US5734523A | 1998-03-31 | |||
| US5786962A | 1998-07-28 | |||
| US5871655A | 1999-02-16 |
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