Method and system for providing a magnetic recording transducer having side shields

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8231796
SERIAL NO

12331238

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method and system provide a magnetic transducer that includes an underlayer and a nonmagnetic layer on the underlayer. The method and system include providing a trench in the nonmagnetic layer. The trench has a plurality of sides. The method and system also include providing a separation layer in the trench. A portion of the separation layer resides on the sides of the trench. The method and system include providing the main pole. At least part of the main pole resides in the trench on the portion of the separation layer and has a plurality of pole sides. The method and system further include removing at least a portion of the second nonmagnetic layer, thereby exposing the portion of the separation layer. The method and system also include providing a side shield. The separation layer magnetically separates the pole sides from the side shield.

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Patent Owner(s)

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

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Yingjian Fremont, US 80 10109
Li, Yun-Fei Fremont, US 40 2829

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