Method for protecting write head coil during write pole/shaping

Details Method for protecting write head coil during write pole/shaping Method for protecting write head coil during write pole/shaping

2007-07-17

2007-07-17

Tugbang, A. Dexter (Department: 3729)

Metal working

Method of mechanical manufacture

Electrical device making

C029S603120, C029S603230, C029S603240, C029S603250, C360S125330, C204S192340

Reexamination Certificate

active

11037405

ABSTRACT:
A method for protecting a write head coil during write pole notching using ion mill resistant mask formed by reactive ion etching is disclosed. Ion mill shaping of the write pole is performed after depositing an ion mill-resistant material to protect the coil.

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patent: 6696226 (2004-02-01), Dinan et al.
patent: 2002/0181162 (2002-12-01), Chen et al.
patent: 2004/0085674 (2004-05-01), Han et al.

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