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Inventor

ZHANG JINQIU

US48 patents
⚠️ This page may combine multiple inventors who share the name “ZHANG JINQIU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WESTERN DIGITAL FREMONT LLC

15 patents
US8018678B1Sep 13, 2011

Method for simultaneous electronic lapping guide (ELG) and perpendicular magnetic recording (PMR) pole formation

WESTERN DIGITAL FREMONT LLC157 citations99
US7639457B1Dec 29, 2009

Magnetic sensor with underlayers promoting high-coercivity, in-plane bias layers

WESTERN DIGITAL FREMONT LLC161 citations99
US7284316B1Oct 23, 2007

Method for forming a hard bias structure in a magnetoresistive sensor

WESTERN DIGITAL FREMONT LLC162 citations99
US8760807B1Jun 24, 2014

Method for providing a wraparound shield for a magnetic recording transducer using a damascene process

WESTERN DIGITAL FREMONT LLC130 citations98
US7286329B1Oct 23, 2007

GMR sensor with shallow contiguous junction and bias layers aligned with free sensor layers

WESTERN DIGITAL FREMONT LLC150 citations98
US9305583B1Apr 5, 2016

Method for fabricating a magnetic writer using multiple etches of damascene materials

WESTERN DIGITAL FREMONT LLC17 citations83
US8988825B1Mar 24, 2015

Method for fabricating a magnetic writer having half-side shields

WESTERN DIGITAL FREMONT LLC5 citations73
US9343087B1May 17, 2016

Method for fabricating a magnetic writer having half shields

WESTERN DIGITAL FREMONT LLC2 citations63
US10115416B2Oct 30, 2018

Magnetic recording write apparatus having a pole having an aspect ratio greater than one and an auxiliary pole

WESTERN DIGITAL FREMONT LLC1 citations52
US8879207B1Nov 4, 2014

Method for providing a side shield for a magnetic recording transducer using an air bridge

WESTERN DIGITAL FREMONT LLC1 citations52
US9940951B2Apr 10, 2018

PMR writer with non-conformal side gaps

WESTERN DIGITAL FREMONT LLC0 citations51
US9280990B1Mar 8, 2016

Method for fabricating a magnetic writer using multiple etches

WESTERN DIGITAL FREMONT LLC1 citations51
US9275657B1Mar 1, 2016

Process for making PMR writer with non-conformal side gaps

WESTERN DIGITAL FREMONT LLC1 citations51
US9263067B1Feb 16, 2016

Process for making PMR writer with constant side wall angle

WESTERN DIGITAL FREMONT LLC0 citations49
US10037770B1Jul 31, 2018

Method for providing a magnetic recording write apparatus having a seamless pole

WESTERN DIGITAL FREMONT LLC0 citations35

ZHANG JINQIU

12 patents
US8649123B1Feb 11, 2014

Method to eliminate reactive ion etching (RIE) loading effects for damascene perpendicular magnetic recording (PMR) fabrication

ZHANG JINQIU147 citations99
US8451563B1May 28, 2013

Method for providing a side shield for a magnetic recording transducer using an air bridge

ZHANG JINQIU158 citations99
US8334093B2Dec 18, 2012

Method and system for providing a perpendicular magnetic recording head

ZHANG JINQIU150 citations99
US8310785B1Nov 13, 2012

Perpendicular magnetic recording head

ZHANG JINQIU147 citations99
US8225488B1Jul 24, 2012

Method for providing a perpendicular magnetic recording (PMR) pole

ZHANG JINQIU160 citations99
US8196285B1Jun 12, 2012

Method and system for providing a pole for a perpendicular magnetic recording head using a multi-layer hard mask

ZHANG JINQIU161 citations99
US8166632B1May 1, 2012

Method for providing a perpendicular magnetic recording (PMR) transducer

ZHANG JINQIU154 citations99
US8136225B1Mar 20, 2012

Method and system for providing a perpendicular magnetic recording head

ZHANG JINQIU153 citations99
US8793866B1Aug 5, 2014

Method for providing a perpendicular magnetic recording head

ZHANG JINQIU143 citations98
US8104166B1Jan 31, 2012

Self-aligned method for fabricating a high density GMR read element

ZHANG JINQIU154 citations98
US8563146B1Oct 22, 2013

Method and system for providing a magnetic recording pole having a dual sidewall angle

ZHANG JINQIU151 citations97
US9346672B1May 24, 2016

Methods for fabricating damascene write poles using ruthenium hard masks

ZHANG JINQIU5 citations73

WESTERN DIGITAL (FREMONT) LLC

5 patents

SANDISK TECHNOLOGIES LLC

3 patents

LIU FENG

2 patents

SUN HAI

2 patents

CHEN TSUNG YUAN

1 patent

LI YUNFEI

1 patent

YANG XIAOYU

1 patent

WESTERN DIGITAL FREMONT INC

1 patent

HAN DEHUA

1 patent

MILLER LANCE D

1 patent

XIANG XIAOHAI

1 patent

JIANGSU ACAD AGRICULTURAL SCI

1 patent

AGENCY SCIENCE TECH & RES

1 patent