Bilayer trailing shield gap for perpendicular head

United States of America Patent

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Jan 13, 2009
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Jan 5, 2006
app pub date
Aug 1, 2005
filing date
Apr 30, 2004

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Expired

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Abstract

A perpendicular write head for writing data onto tracks includes a main pole, a trailing shield and bilayer trailing shield gap layer between the main pole and the trailing shield and improving writing and track width control.

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Patent Owner	Address
HGST NETHERLANDS B V	HERIKERBERGWEG 238 LUNA ARENA AMSTERDAM 1101 CM

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G11B:INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BET....

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Inventor Name	Address	# of filed Patents	Total Citations
Chen, Tsung Yuan	San Jose, US	26	1334
Guthrie, Hung-Chin	Saratoga , US	40	451
Jiang, Ming	San Jose , US	245	5621
Liu, Yinshi	Foster City , US	29	869
Pentek, Aron	San Jose , US	99	1376
Zhang, Sue Siyang	Saratoga, US	42	459

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Bilayer trailing shield gap for perpendicular head

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United States of America Patent

11195227

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PATENT NO	7477481
APP PUB NO	20060002019A1
SERIAL NO	11195227
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity Expired	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
January 13, 2009	US,7477481,B2 US7477481B2	GRANTED PATENT AS SECOND PUBLICATION
January 05, 2006	US,20060002019,A1 US20060002019A1	FIRST PUBLISHED PATENT APPLICATION

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11195227

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