Magnetic head with delayed connection heater shunting

Details Magnetic head with delayed connection heater shunting Magnetic head with delayed connection heater shunting

2011-06-28

2011-06-28

Cao, Allen T (Department: 2627)

Dynamic magnetic information storage or retrieval

Fluid bearing head support

Disk record

Reexamination Certificate

active

07969687

ABSTRACT:
A slider structure that allows a grounded heater element to be employed, while also allowing a decision of whether the slider is to be an “up” slider or a “down” slider to be made in a late stage in the formation of the slider. The slider includes electrical contact pads for making electrical connection with the heater element. The slider also includes a dedicated ground path formed on the slider body at a location that is removed from either of the first and second contact pads, ground path providing electrical connectivity to the slider body. At a late stage in the manufacture of the read and write head, a determination can be made as to which contact pad is to be a ground pad, and that pad can be electrically connected with the ground path.

REFERENCES:
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patent: 7061727 (2006-06-01), Hoshino et al.
patent: 7190556 (2007-03-01), Zhu
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patent: 7589936 (2009-09-01), McFadyen et al.
patent: 2005/0285526 (2005-12-01), Moon et al.
patent: 2007/0247753 (2007-10-01), Takahashi et al.
patent: 2007/0258171 (2007-11-01), Ohtsu

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