Method and apparatus for providing an additional ground pad...

Dynamic magnetic information storage or retrieval – Fluid bearing head support – Disk record

Reexamination Certificate

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Details

C360S245900

Reexamination Certificate

active

07064928

ABSTRACT:
Method and apparatus are presented for electrically coupling a slider to ground. In one embodiment, a bonding pad is provided on a side of the slider body separate from the bonding pad(s) used for read/write signals. This separate bonding pad is electrically coupled within the slider body to components that are to be coupled to ground. A separate conductor provided on the suspension (e.g., a trace, a flex circuit, etc.) may be electrically coupled to the separate bonding pad via gold ball bonding. The conductor is also coupled to ground in the hard-disk drive device (e.g., via the preamplifier). The use of the separated bonding pad and trace may negate the need to use a conductive adhesive to electrically ground the slider via its attachment to the tongue of a slider.

REFERENCES:
patent: 5768062 (1998-06-01), Anderson et al.
patent: 5896248 (1999-04-01), Hanrahan et al.
patent: 6671128 (2003-12-01), Crawford
patent: 2003/0128474 (2003-07-01), Schulz et al.

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