Qunwen Leng

Person

Palo Alto, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic reader having a nonmagnetic insertion layer for the pinnin...
- Patent number 10,242,700
- Issue date Mar 26, 2019
- Western Digital (Fremont), LLC
- Joshua Jones
- G11 - INFORMATION STORAGE
Information Patent Grant
Free layer magnetic reader that may have a reduced shield-to-shield...
- Patent number 10,121,501
- Issue date Nov 6, 2018
- Western Digital (Fremont), LLC
- Gerardo A. Bertero
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording read heads with a multi-layer AFM layer methods and appar...
- Patent number 10,008,219
- Issue date Jun 26, 2018
- Western Digital (Fremont), LLC
- Yuankai Zheng
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for providing a multilayer AFM layer in a read sensor
- Patent number 9,858,951
- Issue date Jan 2, 2018
- Western Digital (Fremont), LLC
- Yuankai Zheng
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic reader having a nonmagnetic insertion layer for the pinnin...
- Patent number 9,842,615
- Issue date Dec 12, 2017
- Western Digital (Fremont), LLC
- Joshua Jones
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic read head with antiferromagentic layer
- Patent number 9,830,936
- Issue date Nov 28, 2017
- Western Digital (Fremont), LLC
- Shaoping Li
- 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
Read sensor having an insulating layer capable of use in two-dimens...
- Patent number 9,715,889
- Issue date Jul 25, 2017
- Western Digital (Fremont), LLC
- Shaoping Li
- G11 - INFORMATION STORAGE
Information Patent Grant
Spin transfer torque tunneling magnetoresistive device having a lam...
- Patent number 9,705,072
- Issue date Jul 11, 2017
- Western Digital (Fremont), LLC
- Shaoping Li
- G11 - INFORMATION STORAGE
Information Patent Grant
Free layer magnetic reader that may have a reduced shield-to-shield...
- Patent number 9,666,214
- Issue date May 30, 2017
- Western Digital (Fremont), LLC
- Gerardo A. Bertero
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic reader having a crystal decoupling structure
- Patent number 9,508,365
- Issue date Nov 29, 2016
- Western Digital (Fremont), LLC
- Yuankai Zheng
- G11 - INFORMATION STORAGE
Information Patent Grant
Electrical connection arrangement for a multiple sensor array usabl...
- Patent number 9,431,032
- Issue date Aug 30, 2016
- Western Digital (Fremont), LLC
- Shaoping Li
- G11 - INFORMATION STORAGE
Information Patent Grant
Multiple sensor array usable in two-dimensional magnetic recording
- Patent number 9,431,039
- Issue date Aug 30, 2016
- Western Digital (Fremont), LLC
- Shaoping Li
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetoresistive sensor for a magnetic storage system read head, an...
- Patent number 9,396,742
- Issue date Jul 19, 2016
- Western Digital (Fremont), LLC
- Cheng-Han Yang
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording read heads with a multi-layer AFM layer methods and appar...
- Patent number 9,361,913
- Issue date Jun 7, 2016
- Western Digital (Fremont), LLC
- Yuankai Zheng
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic sensor with thin capping layer
- Patent number 9,361,914
- Issue date Jun 7, 2016
- Western Digital (Fremont), LLC
- Christian Kaiser
- G11 - INFORMATION STORAGE
Information Patent Grant
Spin transfer torque tunneling magnetoresistive device having a lam...
- Patent number 9,236,560
- Issue date Jan 12, 2016
- Western Digital (Fremont), LLC
- Shaoping Li
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic recording read transducer having a laminated free layer
- Patent number 9,214,169
- Issue date Dec 15, 2015
- Western Digital (Fremont), LLC
- Christian Kaiser
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and system for providing a magnetic transducer having improv...
- Patent number 9,214,168
- Issue date Dec 15, 2015
- Western Digital (Fremont), LLC
- Chando Park
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing a magnetic read head
- Patent number 9,214,172
- Issue date Dec 15, 2015
- Western Digital (Fremont), LLC
- Shaoping Li
- G11 - INFORMATION STORAGE
Information Patent Grant
Heated AFM layer deposition and cooling process for TMR magnetic re...
- Patent number 9,147,408
- Issue date Sep 29, 2015
- Western Digital (Fremont), LLC
- Yuankai Zheng
- G11 - INFORMATION STORAGE
Information Patent Grant
Methods for manufacturing a magnetoresistive structure utilizing he...
- Patent number 9,093,639
- Issue date Jul 28, 2015
- Western Digital (Fremont), LLC
- Christian Kaiser
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording read transducer having a laminated free layer
- Patent number 9,070,381
- Issue date Jun 30, 2015
- Western Digital (Fremont), LLC
- Cheng-Han Yang
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for providing a magnetic recording transducer with enhanced...
- Patent number 9,064,534
- Issue date Jun 23, 2015
- Western Digital (Fremont), LLC
- Yuankai Zheng
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetoresistive sensor for a magnetic storage system read head, an...
- Patent number 9,053,719
- Issue date Jun 9, 2015
- Western Digital (Fremont), LLC
- Cheng-Han Yang
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Methods for providing magnetic storage elements with high magneto-r...
- Patent number 9,042,057
- Issue date May 26, 2015
- Western Digital (Fremont), LLC
- Zhitao Diao
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for fabricating a magnetic recording transducer
- Patent number 9,003,640
- Issue date Apr 14, 2015
- Western Digital (Fremont), LLC
- Chando Park
- G11 - INFORMATION STORAGE
Information Patent Grant
Sensor with positive coupling between dual ferromagnetic free layer...
- Patent number 9,007,725
- Issue date Apr 14, 2015
- Western Digital (Fremont), LLC
- Zhitao Diao
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for providing a magnetic recording transducer having a smoo...
- Patent number 8,984,740
- Issue date Mar 24, 2015
- Western Digital (Fremont), LLC
- Yuankai Zheng
- G11 - INFORMATION STORAGE
Information Patent Grant
Electric gaps and method for making electric gaps for multiple sens...
- Patent number 8,970,988
- Issue date Mar 3, 2015
- Western Digital (Fremont), LLC
- Shaoping Li
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
MAGNETIC READER HAVING A NONMAGNETIC INSERTION LAYER FOR THE PINNIN...
- Publication number 20180075869
- Publication date Mar 15, 2018
- WESTERN DIGITAL (FREMONT), LLC
- Joshua JONES
- G11 - INFORMATION STORAGE
Information Patent Application
FREE LAYER MAGNETIC READER THAT MAY HAVE A REDUCED SHIELD-TO-SHIELD...
- Publication number 20170249959
- Publication date Aug 31, 2017
- WESTERN DIGITAL (FREMONT), LLC
- GERARDO A. BERTERO
- G11 - INFORMATION STORAGE
Information Patent Application
RECORDING READ HEADS WITH A MULTI-LAYER AFM LAYER METHODS AND APPAR...
- Publication number 20160260447
- Publication date Sep 8, 2016
- WESTERN DIGITAL (FREMONT), LLC
- YUANKAI ZHENG
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
MAGNETIC READ HEAD WITH ANTIFERROMAGENTIC LAYER
- Publication number 20160180870
- Publication date Jun 23, 2016
- WESTERN DIGITAL (FREMONT), LLC
- SHAOPING LI
- G11 - INFORMATION STORAGE
Information Patent Application
SPIN TRANSFER TORQUE TUNNELING MAGNETORESISTIVE DEVICE HAVING A LA...
- Publication number 20160163961
- Publication date Jun 9, 2016
- WESTERN DIGITAL (FREMONT), LLC
- Shaoping Li
- G11 - INFORMATION STORAGE
Information Patent Application
HEATED AFM LAYER DEPOSITION AND COOLING PROCESS FOR TMR MAGNETIC RE...
- Publication number 20150380026
- Publication date Dec 31, 2015
- WESTERN DIGITAL (FREMONT), LLC
- YUANKAI ZHENG
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC READ HEAD WITH ANTIFERROMAGNETIC LAYER
- Publication number 20150109702
- Publication date Apr 23, 2015
- WESTERN DIGITAL (FREMONT), LLC
- SHAOPING LI
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETORESISTIVE SENSOR FOR A MAGNETIC STORAGE SYSTEM READ HEAD, AN...
- Publication number 20140154529
- Publication date Jun 5, 2014
- WESTERN DIGITAL (FREMONT), LLC
- Cheng-Han YANG
- B82 - NANO-TECHNOLOGY
Information Patent Application
METHODS FOR MANUFACTURING A MAGNETORESISTIVE STRUCTURE UTILIZING HE...
- Publication number 20130216702
- Publication date Aug 22, 2013
- WESTERN DIGITAL (FREMONT), LLC
- CHRISTIAN KAISER
- G01 - MEASURING TESTING
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
METHOD AND SYSTEM FOR FABRICATING MAGNETIC TRANSDUCERS WITH IMPROVE...
- Publication number 20110013317
- Publication date Jan 20, 2011
- WESTERN DIGITAL (FREMONT), LLC
- CHRISTIAN KAISER
- G01 - MEASURING TESTING
Information Patent Application
METHOD AND SYSTEM FOR PROVIDING A BARRIER FOR A MAGNETORESISTIVE ST...
- Publication number 20100328822
- Publication date Dec 30, 2010
- WESTERN DIGITAL (FREMONT), LLC
- CHANDO PARK
- G01 - MEASURING TESTING
Information Patent Application
Integrated optical multiplexer and demultiplexer
- Publication number 20060018204
- Publication date Jan 26, 2006
- Jerry Lee
- G02 - OPTICS
Information Patent Application
Optical subassembply with port configuration
- Publication number 20040017970
- Publication date Jan 29, 2004
- Jenkin A. Richard
- G02 - OPTICS
Information Patent Application
System and method for optical multiplexing and/or demultiplexing
- Publication number 20030048443
- Publication date Mar 13, 2003
- Jenkin A. Richard
- G01 - MEASURING TESTING
Information Patent Application
System and method for optical multiplexing and/or demultiplexing
- Publication number 20030020913
- Publication date Jan 30, 2003
- Jenkin A. Richard
- G01 - MEASURING TESTING

Qunwen Leng

Person

Patents Grantslast 30 patents

Magnetic reader having a nonmagnetic insertion layer for the pinnin...

Free layer magnetic reader that may have a reduced shield-to-shield...

Recording read heads with a multi-layer AFM layer methods and appar...

Method for providing a multilayer AFM layer in a read sensor

Magnetic reader having a nonmagnetic insertion layer for the pinnin...

Magnetic read head with antiferromagentic layer

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

Read sensor having an insulating layer capable of use in two-dimens...

Spin transfer torque tunneling magnetoresistive device having a lam...

Free layer magnetic reader that may have a reduced shield-to-shield...

Magnetic reader having a crystal decoupling structure

Electrical connection arrangement for a multiple sensor array usabl...

Multiple sensor array usable in two-dimensional magnetic recording

Magnetoresistive sensor for a magnetic storage system read head, an...

Recording read heads with a multi-layer AFM layer methods and appar...

Magnetic sensor with thin capping layer

Spin transfer torque tunneling magnetoresistive device having a lam...

Magnetic recording read transducer having a laminated free layer

Method and system for providing a magnetic transducer having improv...

Method of manufacturing a magnetic read head

Heated AFM layer deposition and cooling process for TMR magnetic re...

Methods for manufacturing a magnetoresistive structure utilizing he...

Magnetic recording read transducer having a laminated free layer

Process for providing a magnetic recording transducer with enhanced...

Magnetoresistive sensor for a magnetic storage system read head, an...

Methods for providing magnetic storage elements with high magneto-r...

Method for fabricating a magnetic recording transducer

Sensor with positive coupling between dual ferromagnetic free layer...

Process for providing a magnetic recording transducer having a smoo...

Electric gaps and method for making electric gaps for multiple sens...

Patents Applicationslast 30 patents

MAGNETIC READER HAVING A NONMAGNETIC INSERTION LAYER FOR THE PINNIN...

FREE LAYER MAGNETIC READER THAT MAY HAVE A REDUCED SHIELD-TO-SHIELD...

RECORDING READ HEADS WITH A MULTI-LAYER AFM LAYER METHODS AND APPAR...

MAGNETIC READ HEAD WITH ANTIFERROMAGENTIC LAYER

SPIN TRANSFER TORQUE TUNNELING MAGNETORESISTIVE DEVICE HAVING A LA...

HEATED AFM LAYER DEPOSITION AND COOLING PROCESS FOR TMR MAGNETIC RE...

MAGNETIC READ HEAD WITH ANTIFERROMAGNETIC LAYER

MAGNETORESISTIVE SENSOR FOR A MAGNETIC STORAGE SYSTEM READ HEAD, AN...

METHODS FOR MANUFACTURING A MAGNETORESISTIVE STRUCTURE UTILIZING HE...

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

METHOD AND SYSTEM FOR FABRICATING MAGNETIC TRANSDUCERS WITH IMPROVE...

METHOD AND SYSTEM FOR PROVIDING A BARRIER FOR A MAGNETORESISTIVE ST...

Integrated optical multiplexer and demultiplexer

Optical subassembply with port configuration

System and method for optical multiplexing and/or demultiplexing

System and method for optical multiplexing and/or demultiplexing