Perpendicular write head with independent trailing shield designs

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7894159
APP PUB NO 20080259498A1
SERIAL NO

11737707

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Abstract

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A magnetic write head having independent trailing and side magnetic shields. The side shields and trailing shields are independently of one another so that they can have throat heights that are different from one another. This advantageously allows the magnetic potential between the write pole and side shields to be controlled independently of one another without relying on the side gap and trailing gap thicknesses. Furthermore, magnetic performance of the write head can be improved because the side shields can be constructed with varying tapered throat heights, while the throat height of the trailing shield can remain constant.

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Patent Owner(s)

Patent OwnerAddress
WESTERN DIGITAL TECHNOLOGIES INC5601 GREAT OAKS PARKWAY SAN JOSE CA 95119

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Boone,, Jr Thomas Dudley San Jose, US 22 261
Lengsfield,, III Byron Hassberg Gilroy, US 11 129
Olson, James Terrence Santa Cruz, US 24 475
Van, Der Heijden Petrus Antonius San Jose, US 58 548

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