Dynamic magnetic information storage or retrieval – Head – Coil
Reexamination Certificate
2007-11-06
2007-11-06
Castro, Angel (Department: 2627)
Dynamic magnetic information storage or retrieval
Head
Coil
Reexamination Certificate
active
10903341
ABSTRACT:
A magnetic write head for use in a data recording system having first and second magnetic pole, the first pole having a P1 pedestal. An electrically conductive coil passes through a space between the first and second poles for inducing a magnetic flux through the yoke formed by the first and second poles. A bi-layer insulation layer disposed between the poles includes a layer of photoresist for preventing voids and a layer of alumina formed thereover to provide a structural brace to prevent recession of the P1 pedestal during manufacturing operations such as soda blast.
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Chiu Andrew
Lee Edward Hin Pong
Yang John Jaekoyun
Yang Michael Ming Hsiang
Zhang Sue Siyang
Castro Angel
Hitachi Global Storage Technologies - Netherlands B.V.
Zilka-Kotab, PC
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