FENG LIU

Person

SAN RAMON, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Device lifetime improvement through constant temperature
- Patent number 11,776,568
- Issue date Oct 3, 2023
- Western Digital Technologies, Inc.
- Yu Lo
- G11 - INFORMATION STORAGE
Information Patent Grant
Plating based side shield define and application in magnetic head
- Patent number 11,626,129
- Issue date Apr 11, 2023
- Western Digital Technologies, Inc.
- Jinqiu Zhang
- G11 - INFORMATION STORAGE
Information Patent Grant
MAMR writer with low resistance MAMR stack
- Patent number 11,049,514
- Issue date Jun 29, 2021
- Western Digital Technologies, Inc.
- Michael Kuok San Ho
- G11 - INFORMATION STORAGE
Information Patent Grant
MAMR writer with low resistance MAMR stack
- Patent number 10,741,202
- Issue date Aug 11, 2020
- Western Digital Technologies, Inc.
- Michael Kuok San Ho
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing a magnetic recording head
- Patent number 10,714,125
- Issue date Jul 14, 2020
- SanDisk Technologies LLC
- Jinqiu Zhang
- G11 - INFORMATION STORAGE
Information Patent Grant
Plating based pre-defined side shield and application in magnetic head
- Patent number 10,460,750
- Issue date Oct 29, 2019
- SanDisk Technologies LLC
- Jinqiu Zhang
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording write apparatus having a stepped conformal trail...
- Patent number 10,121,495
- Issue date Nov 6, 2018
- WESTERN DIGITAL (FREMONT), LLC
- Feng Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording write apparatus having a pole having an aspect r...
- Patent number 10,115,416
- Issue date Oct 30, 2018
- Western Digital (Fremont), LLC
- Feng Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
PMR writer with non-conformal side gaps
- Patent number 9,940,951
- Issue date Apr 10, 2018
- Western Digital (Fremont), LLC
- Jinqiu Zhang
- G11 - INFORMATION STORAGE
Information Patent Grant
Short yoke length writer having assist coils
- Patent number 9,799,351
- Issue date Oct 24, 2017
- Western Digital (Fremont), LLC
- Feng Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatuses and methods for providing thin shields in a multiple se...
- Patent number 9,786,301
- Issue date Oct 10, 2017
- Western Digital (Fremont), LLC
- Shaoping Li
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording writer having improved performance...
- Patent number 9,779,765
- Issue date Oct 3, 2017
- Western Digital (Fremont), LLC
- Feng Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording write apparatus having a stepped conformal trail...
- Patent number 9,754,611
- Issue date Sep 5, 2017
- Western Digital (Fremont), LLC
- Feng Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for fabricating a magnetic writer having a gradient in satur...
- Patent number 9,741,366
- Issue date Aug 22, 2017
- Western Digital (Fremont), LLC
- Jinqiu Zhang
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording write apparatus having a pole having an aspect r...
- Patent number 9,721,591
- Issue date Aug 1, 2017
- Western Digital (Fremont), LLC
- Feng Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for providing a magnetic recording write apparatus by predef...
- Patent number 9,711,168
- Issue date Jul 18, 2017
- Western Digital (Fremont), LLC
- Xiaoyu Yang
- G11 - INFORMATION STORAGE
Information Patent Grant
Shingle magnetic writer having nonconformal shields
- Patent number 9,595,273
- Issue date Mar 14, 2017
- Western Digital (Fremont), LLC
- Feng Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording write apparatus having a pole and a magnetic sep...
- Patent number 9,576,598
- Issue date Feb 21, 2017
- Western Digital (Fremont), LLC
- Feng Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording write apparatus having a pole including an assis...
- Patent number 9,558,763
- Issue date Jan 31, 2017
- Western Digital (Fremont), LLC
- Peng Luo
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording write head
- Patent number 9,478,236
- Issue date Oct 25, 2016
- Western Digital (Fremont), LLC
- Feng Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording apparatus having a recessed additional pole segment
- Patent number 9,478,242
- Issue date Oct 25, 2016
- Western Digital (Fremont), LLC
- Feng Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic writer having a gradient in saturation magnetization of th...
- Patent number 9,443,541
- Issue date Sep 13, 2016
- Western Digital (Fremont), LLC
- Feng Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for fabricating a magnetic write pole having an improved sid...
- Patent number 9,431,038
- Issue date Aug 30, 2016
- Western Digital (Fremont), LLC
- Jinqiu Zhang
- G11 - INFORMATION STORAGE
Information Patent Grant
Dual free layer magnetic reader having a rear bias structure includ...
- Patent number 9,384,763
- Issue date Jul 5, 2016
- Western Digital (Fremont), LLC
- Feng Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and system for providing an antiferromagnetically coupled wr...
- Patent number 9,368,134
- Issue date Jun 14, 2016
- Western Digital (Fremont), LLC
- Ming Sun
- G11 - INFORMATION STORAGE
Information Patent Grant
Ultra-short yoke length writer
- Patent number 9,349,390
- Issue date May 24, 2016
- Western Digital (Fremont), LLC
- Zhigang Bai
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording write transducer having an improved sidewall ang...
- Patent number 9,343,086
- Issue date May 17, 2016
- Western Digital (Fremont), LLC
- Feng Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for fabricating a magnetic writer using multiple etches of d...
- Patent number 9,305,583
- Issue date Apr 5, 2016
- Western Digital (Fremont), LLC
- Jinqiu Zhang
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic writer having a dual side gap
- Patent number 9,286,919
- Issue date Mar 15, 2016
- Western Digital (Fremont), LLC
- Feng Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for fabricating a magnetic writer using multiple etches
- Patent number 9,280,990
- Issue date Mar 8, 2016
- Western Digital (Fremont), LLC
- Jinqiu Zhang
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Device Lifetime Improvement Through Constant Temperature
- Publication number 20230267954
- Publication date Aug 24, 2023
- Western Digital Technologies, Inc.
- Yu LO
- G11 - INFORMATION STORAGE
Information Patent Application
MAMR Writer With Low Resistance MAMR Stack
- Publication number 20200349968
- Publication date Nov 5, 2020
- Western Digital Technologies, Inc.
- Michael Kuok San HO
- G11 - INFORMATION STORAGE
Information Patent Application
PLATING BASED SIDE SHIELD DEFINE AND APPLICATION IN MAGNETIC HEAD
- Publication number 20200302956
- Publication date Sep 24, 2020
- SANDISK TECHNOLOGIES LLC
- Jinqiu ZHANG
- G11 - INFORMATION STORAGE
Information Patent Application
PLATING BASED PRE- DEFINED SIDE SHIELD AND APPLICATION IN MAGNETIC...
- Publication number 20190348068
- Publication date Nov 14, 2019
- SanDisk Technologies LLC
- Jinqiu ZHANG
- G11 - INFORMATION STORAGE
Information Patent Application
PLATING BASED PRE-DEFINED SIDE SHIELD AND APPLICATION IN MAGNETIC HEAD
- Publication number 20190348069
- Publication date Nov 14, 2019
- SanDisk Technologies LLC
- Jinqiu ZHANG
- G11 - INFORMATION STORAGE
Information Patent Application
MAMR WRITER WITH LOW RESISTANCE MAMR STACK
- Publication number 20190251992
- Publication date Aug 15, 2019
- Western Digital Technologies, Inc.
- Michael Kuok San HO
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING WRITE APPARATUS HAVING A STEPPED CONFORMAL TRAIL...
- Publication number 20180025745
- Publication date Jan 25, 2018
- WESTERN DIGITAL (FREMONT), LLC
- Feng Liu
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING WRITE APPARATUS HAVING A POLE HAVING AN ASPECT R...
- Publication number 20170316794
- Publication date Nov 2, 2017
- WESTERN DIGITAL (FREMONT), LLC
- Feng Liu
- G11 - INFORMATION STORAGE
Information Patent Application
SHINGLE MAGNETIC WRITER HAVING NONCONFORMAL SHIELDS
- Publication number 20170092301
- Publication date Mar 30, 2017
- WESTERN DIGITAL (FREMONT), LLC
- FENG LIU
- G11 - INFORMATION STORAGE
Information Patent Application
PROCESS FOR MAKING PMR WRITER WITH NON-CONFORMAL SIDE GAPS
- Publication number 20160171992
- Publication date Jun 16, 2016
- WESTERN DIGITAL (FREMONT), LLC
- JINQIU ZHANG
- G11 - INFORMATION STORAGE
Information Patent Application
PMR WRITER WITH CONSTANT SIDE WALL ANGLE
- Publication number 20160125899
- Publication date May 5, 2016
- WESTERN DIGITAL (FREMONT), LLC
- Jinqiu ZHANG
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING TRANSDUCERS HAVING SLIM SHAPED ADDITIONAL POLES
- Publication number 20140307349
- Publication date Oct 16, 2014
- FENG LIU
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD FOR PROVIDING A MAGNETIC RECORDING TRANSDUCER INCLUDING A WR...
- Publication number 20140175050
- Publication date Jun 26, 2014
- WESTERN DIGITAL (FREMONT), LLC
- JINQIU ZHANG
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD AND SYSTEM FOR PROVIDING A MAGNETIC TRANSDUCER HAVING AN IMP...
- Publication number 20110135961
- Publication date Jun 9, 2011
- WESTERN DIGITAL (FREMONT), LLC
- QUNWEN LENG
- G01 - MEASURING TESTING
Information Patent Application
SERVO DESIGN IN DATA STORAGE MEDIA
- Publication number 20100226038
- Publication date Sep 9, 2010
- WESTERN DIGITAL (FREMONT), LLC
- SHAOPING LI
- G11 - INFORMATION STORAGE

Person

Patents Grantslast 30 patents

Device lifetime improvement through constant temperature

Plating based side shield define and application in magnetic head

MAMR writer with low resistance MAMR stack

MAMR writer with low resistance MAMR stack

Method of manufacturing a magnetic recording head

Plating based pre-defined side shield and application in magnetic head

Magnetic recording write apparatus having a stepped conformal trail...

Magnetic recording write apparatus having a pole having an aspect r...

PMR writer with non-conformal side gaps

Short yoke length writer having assist coils

Apparatuses and methods for providing thin shields in a multiple se...

Perpendicular magnetic recording writer having improved performance...

Magnetic recording write apparatus having a stepped conformal trail...

Method for fabricating a magnetic writer having a gradient in satur...

Magnetic recording write apparatus having a pole having an aspect r...

Method for providing a magnetic recording write apparatus by predef...

Shingle magnetic writer having nonconformal shields

Magnetic recording write apparatus having a pole and a magnetic sep...

Magnetic recording write apparatus having a pole including an assis...

Perpendicular magnetic recording write head

Magnetic recording apparatus having a recessed additional pole segment

Magnetic writer having a gradient in saturation magnetization of th...

Method for fabricating a magnetic write pole having an improved sid...

Dual free layer magnetic reader having a rear bias structure includ...

Method and system for providing an antiferromagnetically coupled wr...

Ultra-short yoke length writer

Magnetic recording write transducer having an improved sidewall ang...

Method for fabricating a magnetic writer using multiple etches of d...

Magnetic writer having a dual side gap

Method for fabricating a magnetic writer using multiple etches

Patents Applicationslast 30 patents

Device Lifetime Improvement Through Constant Temperature

MAMR Writer With Low Resistance MAMR Stack

PLATING BASED SIDE SHIELD DEFINE AND APPLICATION IN MAGNETIC HEAD

PLATING BASED PRE- DEFINED SIDE SHIELD AND APPLICATION IN MAGNETIC...

PLATING BASED PRE-DEFINED SIDE SHIELD AND APPLICATION IN MAGNETIC HEAD

MAMR WRITER WITH LOW RESISTANCE MAMR STACK

MAGNETIC RECORDING WRITE APPARATUS HAVING A STEPPED CONFORMAL TRAIL...

MAGNETIC RECORDING WRITE APPARATUS HAVING A POLE HAVING AN ASPECT R...

SHINGLE MAGNETIC WRITER HAVING NONCONFORMAL SHIELDS

PROCESS FOR MAKING PMR WRITER WITH NON-CONFORMAL SIDE GAPS

PMR WRITER WITH CONSTANT SIDE WALL ANGLE

MAGNETIC RECORDING TRANSDUCERS HAVING SLIM SHAPED ADDITIONAL POLES

METHOD FOR PROVIDING A MAGNETIC RECORDING TRANSDUCER INCLUDING A WR...

METHOD AND SYSTEM FOR PROVIDING A MAGNETIC TRANSDUCER HAVING AN IMP...

SERVO DESIGN IN DATA STORAGE MEDIA