Yi Zheng

Person

San Ramon, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Systems and methods for controlling soft bias thickness for tunnel...
- Patent number 9,396,743
- Issue date Jul 19, 2016
- Western Digital (Fremont), LLC
- Yi Zheng
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic writer having an asymmetric gap and shields
- Patent number 9,349,393
- Issue date May 24, 2016
- Western Digital (Fremont), LLC
- Yi Zheng
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic write head having a stacked coil architecture for high dat...
- Patent number 9,183,853
- Issue date Nov 10, 2015
- HGST Netherlands B.V.
- Wen-Chien David Hsiao
- G11 - INFORMATION STORAGE
Information Patent Grant
Recessed IRMN reader process
- Patent number 9,177,588
- Issue date Nov 3, 2015
- HGST Netherlands B.V.
- James Mac Freitag
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for fabricating a magnetic writer having an asymmetric gap a...
- Patent number 9,153,255
- Issue date Oct 6, 2015
- Western Digital (Fremont), LLC
- Yi Zheng
- G11 - INFORMATION STORAGE
Information Patent Grant
System and method of forming spacer structures using ultra narrow m...
- Patent number 9,099,126
- Issue date Aug 4, 2015
- HGST Netherlands B.V.
- Guomin Mao
- G11 - INFORMATION STORAGE
Information Patent Grant
Differentiated liftoff process for ultra-shallow mask defined narro...
- Patent number 8,984,741
- Issue date Mar 24, 2015
- HGST Netherlands B.V.
- Yi Zheng
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for manufacturing a magnetic write pole using a multi-layere...
- Patent number 8,889,018
- Issue date Nov 18, 2014
- HGST Netherlands B.V.
- Guomin Mao
- G11 - INFORMATION STORAGE
Information Patent Grant
Super shallow laminated hard mask stencil for magnetic read sensor...
- Patent number 8,889,019
- Issue date Nov 18, 2014
- HGST Netherlands B.V.
- Guomin Mao
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of fabricating a device having a sidegap
- Patent number 8,839,504
- Issue date Sep 23, 2014
- HGST Netherlands B.V.
- Yi Zheng
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for manufacturing a magnetic write head using novel mask str...
- Patent number 8,801,944
- Issue date Aug 12, 2014
- HGST Netherlands B.V.
- Guomin Mao
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for manufacturing a magnetoresistive sensor
- Patent number 8,796,152
- Issue date Aug 5, 2014
- HGST Netherlands B.V.
- Guomin Mao
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic write head having a residual shield seed layer for reducin...
- Patent number 8,780,499
- Issue date Jul 15, 2014
- HGST Netherlands B.V.
- Wen-Chien D. Hsiao
- G11 - INFORMATION STORAGE
Information Patent Grant
Tapered leading and side shields for use in a perpendicular magneti...
- Patent number 8,730,617
- Issue date May 20, 2014
- HGST Netherlands B.V.
- Wen-Chien D. Hsiao
- G11 - INFORMATION STORAGE
Information Patent Grant
Slanted bump design for magnetic shields in perpendicular write hea...
- Patent number 8,724,258
- Issue date May 13, 2014
- HGST Netherlands B.V.
- Sue S. Zhang
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for manufacturing a magnetic write pole of a perpendicular m...
- Patent number 8,646,168
- Issue date Feb 11, 2014
- HGST Netherlands B.V.
- Guomin Mao
- G11 - INFORMATION STORAGE
Information Patent Grant
Fenceless main pole definition for advanced perpendicular magnetic...
- Patent number 8,568,601
- Issue date Oct 29, 2013
- HGST Netherlands B.V.
- Aron Pentek
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Magnetic write head manufactured by an enhanced damascene process p...
- Patent number 8,547,660
- Issue date Oct 1, 2013
- HGST Netherlands B.V.
- Donald G. Allen
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic write head having a novel shield structure
- Patent number 8,503,131
- Issue date Aug 6, 2013
- HGST Netherlands B.V.
- Yi Zheng
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head with flared write pole having multiple tapered regions
- Patent number 8,498,078
- Issue date Jul 30, 2013
- HGST Netherlands B.V.
- Donald G. Allen
- G11 - INFORMATION STORAGE
Information Patent Grant
High bevel angle magnetic writer pole fabrication process
- Patent number 8,468,683
- Issue date Jun 25, 2013
- HGST Netherlands B.V.
- Guomin Mao
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head with flared write pole with multiple non-magnetic lay...
- Patent number 8,451,560
- Issue date May 28, 2013
- HGST Netherlands B.V.
- Liubo Hong
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for manufacturing a magnetic write head having a wrap around...
- Patent number 8,451,562
- Issue date May 28, 2013
- HGST Netherlands B.V.
- Aron Pentek
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic write head having a self-aligned side wrap-around shield w...
- Patent number 8,422,168
- Issue date Apr 16, 2013
- HGST Netherlands B.V.
- Wen-Chien David Hsiao
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for manufacturing a magnetic write pole having straight side...
- Patent number 8,371,019
- Issue date Feb 12, 2013
- Hitachi Global Storage Technologies Netherlands B.V.
- Sue Siyang Zhang
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for manufacturing a perpendicular magnetic write head having...
- Patent number 8,349,197
- Issue date Jan 8, 2013
- Hitachi Global Storage Technologies Netherlands B.V.
- Liubo Hong
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic write head manufactured by damascene process producing a t...
- Patent number 8,347,488
- Issue date Jan 8, 2013
- Hitachi Global Storage Technologies Netherlands B.V.
- Liubo Hong
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for manufacturing a perpendicular magnetic write head having...
- Patent number 8,347,489
- Issue date Jan 8, 2013
- Hitachi Global Storage Technologies Netherlands B.V.
- Liubo Hong
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic write head having a wrap around trailing shield with an as...
- Patent number 8,339,734
- Issue date Dec 25, 2012
- Hitachi Global Storage Technologies Netherlands B.V.
- Aron Pentek
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for manufacturing a perpendicular magnetic write head having...
- Patent number 8,323,727
- Issue date Dec 4, 2012
- Hitachi Global Storage Technologies Netherlands B.V.
- Aron Pentek
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF MAKING A HARD DISK DRIVE WRITE POLE USING A TRI-TONE ATTE...
- Publication number 20240027892
- Publication date Jan 25, 2024
- Western Digital Technologies, Inc.
- Xianzhong Zeng
- G11 - INFORMATION STORAGE
Information Patent Application
SYSTEMS AND METHODS FOR CONTROLLING SOFT BIAS THICKNESS FOR TUNNEL...
- Publication number 20160284989
- Publication date Sep 29, 2016
- WESTERN DIGITAL (FREMONT), LLC
- YI ZHENG
- G01 - MEASURING TESTING
Information Patent Application
METHOD FOR FABRICATING A MAGNETIC WRITER HAVING AN ASYMMETRIC GAP A...
- Publication number 20150380018
- Publication date Dec 31, 2015
- WESTERN DIGITAL (FREMONT), LLC
- YI ZHENG
- G11 - INFORMATION STORAGE
Information Patent Application
RECESSED IRMN READER PROCESS
- Publication number 20150206550
- Publication date Jul 23, 2015
- HGST NETHERLANDS B.V.
- James Mac FREITAG
- G11 - INFORMATION STORAGE
Information Patent Application
SYSTEM AND METHOD OF FORMING SPACER STRUCTURES USING ULTRA NARROW M...
- Publication number 20150036244
- Publication date Feb 5, 2015
- HGST NETHERLANDS B.V.
- Guomin Mao
- G11 - INFORMATION STORAGE
Information Patent Application
SUPER SHALLOW LAMINATED HARD MASK STENCIL FOR MAGNETIC READ SENSOR...
- Publication number 20140353276
- Publication date Dec 4, 2014
- HGST NETHERLANDS B.V.
- Guomin MAO
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC WRITE HEAD HAVING A STACKED COIL ARCHITECTURE FOR HIGH DAT...
- Publication number 20140313614
- Publication date Oct 23, 2014
- HGST NETHERLANDS B.V.
- Wen-Chien David Hsiao
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC WRITE HEAD HAVING A WRITE POLE WITH A CONSTANT FLARE ANGLE...
- Publication number 20140268420
- Publication date Sep 18, 2014
- HGST NETHERLANDS B.V.
- Yingjian Chen
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD FOR MANUFACTURING A MAGNETORESISTIVE SENSOR
- Publication number 20140170774
- Publication date Jun 19, 2014
- HGST NETHERLANDS B.V.
- Guomin Mao
- G01 - MEASURING TESTING
Information Patent Application
MAGNETIC WRITE HEAD HAVING A RESIDUAL SHIELD SEED LAYER FOR REDUCIN...
- Publication number 20140168823
- Publication date Jun 19, 2014
- HGST NETHERLANDS B.V.
- Wen-Chien D. Hsiao
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD FOR MANUFACTURING A MAGNETIC WRITE HEAD USING NOVEL MASK STR...
- Publication number 20140144872
- Publication date May 29, 2014
- HGST NETHERLANDS B.V.
- Guomin Mao
- G11 - INFORMATION STORAGE
Information Patent Application
DIFFERENTIATED LIFTOFF PROCESS FOR ULTRA-SHALLOW MASK DEFINED NARRO...
- Publication number 20130284693
- Publication date Oct 31, 2013
- Hitachi Global Storage Technologies Netherlands B.V.
- Yi Zheng
- G11 - INFORMATION STORAGE
Information Patent Application
NOVEL HIGH BEVEL ANGLE MAGNETIC WRITER POLE FABRICATION PROCESS
- Publication number 20130104388
- Publication date May 2, 2013
- Guomin Mao
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD FOR MANUFACTURING A PERPENDICULAR MAGNETIC WRITE HEAD USING...
- Publication number 20130082027
- Publication date Apr 4, 2013
- Hitachi Global Storage Technologies Netherlands B.V.
- Guomin Mao
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD FOR MANUFACTURING A MAGNETIC WRITE POLE OF A PERPENDICULAR M...
- Publication number 20130081263
- Publication date Apr 4, 2013
- Guomin Mao
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC WRITE HEAD HAVING AN ELECTROPLATED WRITE POLE WITH A LEADI...
- Publication number 20130020204
- Publication date Jan 24, 2013
- Donald G. Allen
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
METHOD FOR MANUFACTURING A MAGNETIC WRITE HEAD WITH A FLOATING LEAD...
- Publication number 20130022840
- Publication date Jan 24, 2013
- Hitachi Global Storage Technologies Netherlands B.V.
- Wen-Chien D. Hsiao
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
METHOD FOR MANUFACTURING A MAGNETIC WRITE POLE HAVING STRAIGHT SIDE...
- Publication number 20130019467
- Publication date Jan 24, 2013
- Hitachi Global Storage Technologies Netherlands B.V.
- Sue Siyang Zhang
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD FOR MANUFACTURING A PERPENDICULAR MAGNETIC WRITE POLE HAVING...
- Publication number 20120154951
- Publication date Jun 21, 2012
- Hitachi Global Storage Technologies Netherlands B.V.
- Wen-Chien D. Hsiao
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD FOR MANUFACTURING A MAGNETIC WRITE POLE USING A MULTI-LAYERE...
- Publication number 20120125883
- Publication date May 24, 2012
- Hitachi Global Storage Technologies Netherlands B.V.
- Guomin Mao
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD FOR MANUFACTURING A SHORT FLARE DEFINITION BY ADDITIVE PROCE...
- Publication number 20120107645
- Publication date May 3, 2012
- Hitachi Global Storage Technologies Netherlands B.V.
- Yi Zheng
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD FOR MANUFACTURING A PERPENDICULAR MAGNETIC WRITE HEAD HAVING...
- Publication number 20120050915
- Publication date Mar 1, 2012
- Hitachi Global Storage Technologies Netherlands B.V.
- Liubo Hong
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD FOR MANUFACTURING A MAGNETIC WRITE HEAD HAVING A WRAP AROUND...
- Publication number 20110262774
- Publication date Oct 27, 2011
- Aron Pentek
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC WRITE HEAD HAVING A WRAP AROUND TRAILING SHIELD WITH AN AS...
- Publication number 20110261485
- Publication date Oct 27, 2011
- Aron Pentek
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD FOR MANUFACTURING A PERPENDICULAR MAGNETIC WRITE HEAD HAVING...
- Publication number 20110233167
- Publication date Sep 29, 2011
- Aron Pentek
- G11 - INFORMATION STORAGE
Information Patent Application
ADVANCED PHASE SHIFT LITHOGRAPHY AND ATTENUATED PHASE SHIFT MASK FO...
- Publication number 20110212388
- Publication date Sep 1, 2011
- Hong Du
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC WRITE HEAD MANUFACTURED BY AN ENHANCED DAMASCENE PROCESS P...
- Publication number 20110151279
- Publication date Jun 23, 2011
- Donald G. Allen
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD FOR MANUFACTURING A MAGNETIC WRITE HEAD HAVING A WRAP AROUND...
- Publication number 20110146062
- Publication date Jun 23, 2011
- Donald G. Allen
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD FOR MANUFACTURING A PERPENDICULAR MAGNETIC WRITE HEAD HAVING...
- Publication number 20110147222
- Publication date Jun 23, 2011
- Aron Pentek
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
PMR WRITER AND METHOD OF FABRICATION
- Publication number 20110134569
- Publication date Jun 9, 2011
- Donald G. Allen
- G11 - INFORMATION STORAGE

Person

Patents Grantslast 30 patents

Systems and methods for controlling soft bias thickness for tunnel...

Magnetic writer having an asymmetric gap and shields

Magnetic write head having a stacked coil architecture for high dat...

Recessed IRMN reader process

Method for fabricating a magnetic writer having an asymmetric gap a...

System and method of forming spacer structures using ultra narrow m...

Differentiated liftoff process for ultra-shallow mask defined narro...

Method for manufacturing a magnetic write pole using a multi-layere...

Super shallow laminated hard mask stencil for magnetic read sensor...

Method of fabricating a device having a sidegap

Method for manufacturing a magnetic write head using novel mask str...

Method for manufacturing a magnetoresistive sensor

Magnetic write head having a residual shield seed layer for reducin...

Tapered leading and side shields for use in a perpendicular magneti...

Slanted bump design for magnetic shields in perpendicular write hea...

Method for manufacturing a magnetic write pole of a perpendicular m...

Fenceless main pole definition for advanced perpendicular magnetic...

Magnetic write head manufactured by an enhanced damascene process p...

Perpendicular magnetic write head having a novel shield structure

Magnetic head with flared write pole having multiple tapered regions

High bevel angle magnetic writer pole fabrication process

Magnetic head with flared write pole with multiple non-magnetic lay...

Method for manufacturing a magnetic write head having a wrap around...

Magnetic write head having a self-aligned side wrap-around shield w...

Method for manufacturing a magnetic write pole having straight side...

Method for manufacturing a perpendicular magnetic write head having...

Magnetic write head manufactured by damascene process producing a t...

Method for manufacturing a perpendicular magnetic write head having...

Magnetic write head having a wrap around trailing shield with an as...

Method for manufacturing a perpendicular magnetic write head having...

Patents Applicationslast 30 patents

METHOD OF MAKING A HARD DISK DRIVE WRITE POLE USING A TRI-TONE ATTE...

SYSTEMS AND METHODS FOR CONTROLLING SOFT BIAS THICKNESS FOR TUNNEL...

METHOD FOR FABRICATING A MAGNETIC WRITER HAVING AN ASYMMETRIC GAP A...

RECESSED IRMN READER PROCESS

SYSTEM AND METHOD OF FORMING SPACER STRUCTURES USING ULTRA NARROW M...

SUPER SHALLOW LAMINATED HARD MASK STENCIL FOR MAGNETIC READ SENSOR...

MAGNETIC WRITE HEAD HAVING A STACKED COIL ARCHITECTURE FOR HIGH DAT...

MAGNETIC WRITE HEAD HAVING A WRITE POLE WITH A CONSTANT FLARE ANGLE...

METHOD FOR MANUFACTURING A MAGNETORESISTIVE SENSOR

MAGNETIC WRITE HEAD HAVING A RESIDUAL SHIELD SEED LAYER FOR REDUCIN...

METHOD FOR MANUFACTURING A MAGNETIC WRITE HEAD USING NOVEL MASK STR...

DIFFERENTIATED LIFTOFF PROCESS FOR ULTRA-SHALLOW MASK DEFINED NARRO...

NOVEL HIGH BEVEL ANGLE MAGNETIC WRITER POLE FABRICATION PROCESS

METHOD FOR MANUFACTURING A PERPENDICULAR MAGNETIC WRITE HEAD USING...

METHOD FOR MANUFACTURING A MAGNETIC WRITE POLE OF A PERPENDICULAR M...

MAGNETIC WRITE HEAD HAVING AN ELECTROPLATED WRITE POLE WITH A LEADI...

METHOD FOR MANUFACTURING A MAGNETIC WRITE HEAD WITH A FLOATING LEAD...

METHOD FOR MANUFACTURING A MAGNETIC WRITE POLE HAVING STRAIGHT SIDE...

METHOD FOR MANUFACTURING A PERPENDICULAR MAGNETIC WRITE POLE HAVING...

METHOD FOR MANUFACTURING A MAGNETIC WRITE POLE USING A MULTI-LAYERE...

METHOD FOR MANUFACTURING A SHORT FLARE DEFINITION BY ADDITIVE PROCE...

METHOD FOR MANUFACTURING A PERPENDICULAR MAGNETIC WRITE HEAD HAVING...

METHOD FOR MANUFACTURING A MAGNETIC WRITE HEAD HAVING A WRAP AROUND...

MAGNETIC WRITE HEAD HAVING A WRAP AROUND TRAILING SHIELD WITH AN AS...

METHOD FOR MANUFACTURING A PERPENDICULAR MAGNETIC WRITE HEAD HAVING...

ADVANCED PHASE SHIFT LITHOGRAPHY AND ATTENUATED PHASE SHIFT MASK FO...

MAGNETIC WRITE HEAD MANUFACTURED BY AN ENHANCED DAMASCENE PROCESS P...

METHOD FOR MANUFACTURING A MAGNETIC WRITE HEAD HAVING A WRAP AROUND...

METHOD FOR MANUFACTURING A PERPENDICULAR MAGNETIC WRITE HEAD HAVING...

PMR WRITER AND METHOD OF FABRICATION