Youfeng Zheng

Person

San Jose, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic head with assisted magnetic recording comprising an electr...
- Patent number 11,657,835
- Issue date May 23, 2023
- Western Digital Technologies, Inc.
- Zhigang Bai
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head with assisted magnetic recording
- Patent number 11,615,806
- Issue date Mar 28, 2023
- Western Digital Technologies, Inc.
- Zhigang Bai
- G11 - INFORMATION STORAGE
Information Patent Grant
Write heads configured to redirect current
- Patent number 10,861,485
- Issue date Dec 8, 2020
- Western Digital Technologies, Inc.
- Muhammad Asif Bashir
- G11 - INFORMATION STORAGE
Information Patent Grant
Write heads configured to redirect current
- Patent number 10,777,219
- Issue date Sep 15, 2020
- Western Digital Technologies, Inc.
- Muhammad Asif Bashir
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus comprising magnetically soft underlayer
- Patent number 10,311,907
- Issue date Jun 4, 2019
- Seagate Technology LLC
- Thomas P. Nolan
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic sensor having an extended pinned layer with stitched antif...
- Patent number 9,202,482
- Issue date Dec 1, 2015
- HGST Netherlands B.V.
- Quang Le
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic sensor with extended pinned layer and partial wrap around...
- Patent number 8,941,954
- Issue date Jan 27, 2015
- HGST Netherlands B.V.
- Quang Le
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording media with thin soft magnetic unde...
- Patent number 8,465,854
- Issue date Jun 18, 2013
- Seagate Technology LLC
- Li Tang
- G11 - INFORMATION STORAGE
Information Patent Grant
Narrow track CPP head with bias cancellation
- Patent number 7,675,718
- Issue date Mar 9, 2010
- Headway Technologies, Inc.
- Jei-Wei Chang
- G11 - INFORMATION STORAGE
Information Patent Grant
Process to manufacture narrow track CPP head with bias cancellation
- Patent number 7,506,430
- Issue date Mar 24, 2009
- Headway Technologies, Inc.
- Jei-Wei Chang
- G11 - INFORMATION STORAGE
Information Patent Grant
Stitching of AFM and channeling layers for in-stack biasing CPP
- Patent number 7,265,947
- Issue date Sep 4, 2007
- Headway Technologies, Inc.
- Youfeng Zheng
- G11 - INFORMATION STORAGE
Information Patent Grant
CPP and MTJ reader design with continuous exchange-coupled free layer
- Patent number 7,201,947
- Issue date Apr 10, 2007
- Headway Technologies, Inc.
- Simon Liao
- G11 - INFORMATION STORAGE
Information Patent Grant
Fabrication method for an in-stack stabilized synthetic stitched CP...
- Patent number 7,180,716
- Issue date Feb 20, 2007
- Headway Technologies, Inc.
- Min Li
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing integrated spin valve head
- Patent number 7,162,791
- Issue date Jan 16, 2007
- Headway Technologies, Inc.
- Kochan Ju
- G11 - INFORMATION STORAGE
Information Patent Grant
Process of manufacturing a narrow track CCP head with bias cancella...
- Patent number 7,134,184
- Issue date Nov 14, 2006
- Headway Technologies, Inc.
- Jei-Wei Chang
- G11 - INFORMATION STORAGE
Information Patent Grant
Method to form an embedded micro-pedestal in a conductive layer
- Patent number 7,134,182
- Issue date Nov 14, 2006
- Headway Technologies, Inc.
- Jei-Wei Chang
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing integrated spin valve head
- Patent number 7,089,650
- Issue date Aug 15, 2006
- Headway Technologies, Inc.
- Kochan Ju
- G11 - INFORMATION STORAGE
Information Patent Grant
Supplementary shield for CPP GMR read head
- Patent number 7,075,758
- Issue date Jul 11, 2006
- Headway Technologies, Inc.
- Kunliang Zhang
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for manufacturing a bottom spin valve structure
- Patent number 7,074,456
- Issue date Jul 11, 2006
- Headway Technologies, Inc.
- Kochan Ju
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for manufacturing a top spin valve
- Patent number 7,060,321
- Issue date Jun 13, 2006
- Headway Technologies, Inc.
- Kochan Ju
- G11 - INFORMATION STORAGE
Information Patent Grant
Process of making a GMR improvement in CPP spin valve head by inser...
- Patent number 7,040,005
- Issue date May 9, 2006
- Headway Technologies, Inc.
- Youfeng Zheng
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of increasing CPP GMR in a spin valve structure
- Patent number 7,016,168
- Issue date Mar 21, 2006
- Headway Technologies, Inc.
- Min Li
- G11 - INFORMATION STORAGE
Information Patent Grant
Integrated spin valve head
- Patent number 6,995,959
- Issue date Feb 7, 2006
- Headway Technologies, Inc.
- Kochan Ju
- G11 - INFORMATION STORAGE
Information Patent Grant
Design of canted synthetic pattern exchange spin valve head for imp...
- Patent number 6,943,994
- Issue date Sep 13, 2005
- Headway Technologies, Inc.
- Youfeng Zheng
- C21 - METALLURGY OF IRON
Information Patent Grant
Process to manufacture a top spin valve
- Patent number 6,885,527
- Issue date Apr 26, 2005
- Headway Technologies, Inc.
- Kochan Ju
- G11 - INFORMATION STORAGE
Information Patent Grant
CPP spin valve head with bias point control
- Patent number 6,873,501
- Issue date Mar 29, 2005
- Headway Technologies, Inc.
- Youfeng Zheng
- G11 - INFORMATION STORAGE
Information Patent Grant
Spin valve structure design with laminated free layer
- Patent number 6,392,853
- Issue date May 21, 2002
- Headway Technologies, Inc.
- Min Li
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magnetic device and method of forming same
- Patent number 6,391,483
- Issue date May 21, 2002
- Carnegie Mellon University
- Jian-Gang Zhu
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
MAGNETIC HEAD WITH ASSISTED MAGNETIC RECORDING AND METHOD OF MAKING...
- Publication number 20220238135
- Publication date Jul 28, 2022
- Western Digital Technologies, Inc.
- Zhigang BAI
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD WITH ASSISTED MAGNETIC RECORDING AND METHOD OF MAKING...
- Publication number 20220208220
- Publication date Jun 30, 2022
- Western Digital Technologies, Inc.
- Zhigang BAI
- G11 - INFORMATION STORAGE
Information Patent Application
WRITE HEADS CONFIGURED TO REDIRECT CURRENT
- Publication number 20200381011
- Publication date Dec 3, 2020
- Western Digital Technologies, Inc.
- Muhammad ASIF BASHIR
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC SENSOR HAVING AN EXTENDED PINNED LAYER WITH STITCHED ANTIF...
- Publication number 20150062751
- Publication date Mar 5, 2015
- HGST NETHERLANDS B.V.
- Quang Le
- G11 - INFORMATION STORAGE
Information Patent Application
APPARATUS COMPRISING MAGNETICALLY SOFT UNDERLAYER
- Publication number 20140313615
- Publication date Oct 23, 2014
- SEAGATE TECHNOLOGY LLC
- Thomas P. Nolan
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC SENSOR WITH EXTENDED PINNED LAYER AND PARTIAL WRAP AROUND...
- Publication number 20140168822
- Publication date Jun 19, 2014
- HGST NETHERLANDS B.V.
- Quang Le
- G01 - MEASURING TESTING
Information Patent Application
MAGNETIC RECORDING MEDIA WITH SOFT MAGNETIC UNDERLAYERS
- Publication number 20130280556
- Publication date Oct 24, 2013
- Li Tang
- G11 - INFORMATION STORAGE
Information Patent Application
Perpendicular magnetic recording media with thin soft magnetic unde...
- Publication number 20080131734
- Publication date Jun 5, 2008
- Seagate Technology LLC
- Li Tang
- G11 - INFORMATION STORAGE
Information Patent Application
Thin sul perpendicular magnetic recording media and recording syste...
- Publication number 20070287031
- Publication date Dec 13, 2007
- Seagate Technology LLC
- Thomas P. Nolan
- G11 - INFORMATION STORAGE
Information Patent Application
Narrow track CPP head with bias cancellation
- Publication number 20070041124
- Publication date Feb 22, 2007
- Jei-Wei Chang
- G11 - INFORMATION STORAGE
Information Patent Application
Process to manufacture narrow track CPP head with bias cancellation
- Publication number 20070039166
- Publication date Feb 22, 2007
- Jei-Wei Chang
- G11 - INFORMATION STORAGE
Information Patent Application
Stitching of AFM and channeling layers for in-stack biasing CPP
- Publication number 20060092581
- Publication date May 4, 2006
- HEADWAY TECHNOLOGIES, INC.
- Youfeng Zheng
- G01 - MEASURING TESTING
Information Patent Application
Fabrication method for an in-stack stabilized synthetic stitched CP...
- Publication number 20050219773
- Publication date Oct 6, 2005
- HEADWAY TECHNOLOGIES, INC.
- Min Li
- G01 - MEASURING TESTING
Information Patent Application
Transverse or longitudinal patterned synthetic exchange biasing for...
- Publication number 20050122637
- Publication date Jun 9, 2005
- HEADWAY TECHNOLOGIES, INC.
- Cheng T. Horng
- G01 - MEASURING TESTING
Information Patent Application
Method of increasing CPP GMR in a spin valve structure
- Publication number 20050111148
- Publication date May 26, 2005
- HEADWAY TECHNOLOGIES, INC.
- Min Li
- G11 - INFORMATION STORAGE
Information Patent Application
Process to fabricate narrow-track CPP read head
- Publication number 20050102820
- Publication date May 19, 2005
- HEADWAY TECHNOLOGIES, INC.
- Jei-Wei Chang
- G11 - INFORMATION STORAGE
Information Patent Application
Narrow track CPP head with bias cancellation
- Publication number 20050099739
- Publication date May 12, 2005
- HEADWAY TECHNOLOGIES, INC.
- Jei-Wei Chang
- G11 - INFORMATION STORAGE
Information Patent Application
Integrated spin valve head
- Publication number 20050094321
- Publication date May 5, 2005
- HEADWAY TECHNOLOGIES, INC.
- Kochan Ju
- G11 - INFORMATION STORAGE
Information Patent Application
Integrated spin valve head
- Publication number 20050094323
- Publication date May 5, 2005
- HEADWAY TECHNOLOGIES, INC.
- Kochan Ju
- G11 - INFORMATION STORAGE
Information Patent Application
Integrated spin valve head
- Publication number 20050094326
- Publication date May 5, 2005
- HEADWAY TECHNOLOGIES, INC.
- Kochan Ju
- G11 - INFORMATION STORAGE
Information Patent Application
Integrated spin valve head
- Publication number 20050094324
- Publication date May 5, 2005
- HEADWAY TECHNOLOGIES, INC.
- Kochan Ju
- G11 - INFORMATION STORAGE
Information Patent Application
Integrated spin valve head
- Publication number 20050094325
- Publication date May 5, 2005
- HEADWAY TECHNOLOGIES, INC.
- Kochan Ju
- G11 - INFORMATION STORAGE
Information Patent Application
Supplementary shield for CPP GMR read head
- Publication number 20050052789
- Publication date Mar 10, 2005
- HEADWAY TECHNOLOGIES, INC.
- Kunliang Zhang
- G11 - INFORMATION STORAGE
Information Patent Application
CPP spin valve head with bias point control
- Publication number 20040196598
- Publication date Oct 7, 2004
- HEADWAY TECHNOLOGIES, INC.
- Youfeng Zheng
- G11 - INFORMATION STORAGE
Information Patent Application
GMR improvement in CPP spin valve head by inserting a current chann...
- Publication number 20040184197
- Publication date Sep 23, 2004
- HEADWAY TECHNOLOGIES, INC.
- Youfeng Zheng
- G01 - MEASURING TESTING
Information Patent Application
Design of canted synthetic pattern exchange spin valve head for imp...
- Publication number 20040160708
- Publication date Aug 19, 2004
- HEADWAY TECHNOLOGIES, INC.
- Youfeng Zheng
- C21 - METALLURGY OF IRON
Information Patent Application
CPP and MTJ reader design with continuous exchange-coupled free layer
- Publication number 20040047085
- Publication date Mar 11, 2004
- HEADWAY TECHNOLOGIES, INC.
- Simon Liao
- G11 - INFORMATION STORAGE
Information Patent Application
Biased spin valve head with canted adjacent layer and current chann...
- Publication number 20030179512
- Publication date Sep 25, 2003
- HEADWAY TECHNOLOGIES, INC.
- Kochan Ju
- G11 - INFORMATION STORAGE

Youfeng Zheng

Person

Patents Grantslast 30 patents

Magnetic head with assisted magnetic recording comprising an electr...

Magnetic head with assisted magnetic recording

Write heads configured to redirect current

Write heads configured to redirect current

Apparatus comprising magnetically soft underlayer

Magnetic sensor having an extended pinned layer with stitched antif...

Magnetic sensor with extended pinned layer and partial wrap around...

Perpendicular magnetic recording media with thin soft magnetic unde...

Narrow track CPP head with bias cancellation

Process to manufacture narrow track CPP head with bias cancellation

Stitching of AFM and channeling layers for in-stack biasing CPP

CPP and MTJ reader design with continuous exchange-coupled free layer

Fabrication method for an in-stack stabilized synthetic stitched CP...

Method of manufacturing integrated spin valve head

Process of manufacturing a narrow track CCP head with bias cancella...

Method to form an embedded micro-pedestal in a conductive layer

Method of manufacturing integrated spin valve head

Supplementary shield for CPP GMR read head

Process for manufacturing a bottom spin valve structure

Process for manufacturing a top spin valve

Process of making a GMR improvement in CPP spin valve head by inser...

Method of increasing CPP GMR in a spin valve structure

Integrated spin valve head

Design of canted synthetic pattern exchange spin valve head for imp...

Process to manufacture a top spin valve

CPP spin valve head with bias point control

Spin valve structure design with laminated free layer

Magnetic device and method of forming same

Patents Applicationslast 30 patents

MAGNETIC HEAD WITH ASSISTED MAGNETIC RECORDING AND METHOD OF MAKING...

MAGNETIC HEAD WITH ASSISTED MAGNETIC RECORDING AND METHOD OF MAKING...

WRITE HEADS CONFIGURED TO REDIRECT CURRENT

MAGNETIC SENSOR HAVING AN EXTENDED PINNED LAYER WITH STITCHED ANTIF...

APPARATUS COMPRISING MAGNETICALLY SOFT UNDERLAYER

MAGNETIC SENSOR WITH EXTENDED PINNED LAYER AND PARTIAL WRAP AROUND...

MAGNETIC RECORDING MEDIA WITH SOFT MAGNETIC UNDERLAYERS

Perpendicular magnetic recording media with thin soft magnetic unde...

Thin sul perpendicular magnetic recording media and recording syste...

Narrow track CPP head with bias cancellation

Process to manufacture narrow track CPP head with bias cancellation

Stitching of AFM and channeling layers for in-stack biasing CPP

Fabrication method for an in-stack stabilized synthetic stitched CP...

Transverse or longitudinal patterned synthetic exchange biasing for...

Method of increasing CPP GMR in a spin valve structure

Process to fabricate narrow-track CPP read head

Narrow track CPP head with bias cancellation

Integrated spin valve head

Integrated spin valve head

Integrated spin valve head

Integrated spin valve head

Integrated spin valve head

Supplementary shield for CPP GMR read head

CPP spin valve head with bias point control

GMR improvement in CPP spin valve head by inserting a current chann...

Design of canted synthetic pattern exchange spin valve head for imp...

CPP and MTJ reader design with continuous exchange-coupled free layer

Biased spin valve head with canted adjacent layer and current chann...