Method for providing a perpendicular magnetic recording (PMR) head

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United States of America Patent

PATENT NO 8015692
SERIAL NO

11936167

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Abstract

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A method for providing a perpendicular magnetic recording head includes providing a metal underlayer and forming a trench in the metal underlayer. The trench has a bottom and a top wider than the bottom. The method also includes providing a PMR pole. At least a portion of the PMR pole resides in the trench. The method also includes providing a write gap on the PMR pole and providing a top shield on at least the write gap.

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Patent Owner(s)

Patent OwnerAddress
WESTERN DIGITAL TECHNOLOGIES INC3355 MICHELSON DRIVE SUITE 100 IRVINE CA 92612

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Shen, Yong Saratoga, US 61 3743
Wang, Yizhong Woodbury, US 79 1519
Zhang, Lei Larry San Jose, US 7 1006
Zhu, Honglin Fremont, US 25 1871

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