Lien-Chang Wang

Person

Fremont, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method of forming a fully wrapped-around shielded PMR writer pole
- Patent number 9,520,146
- Issue date Dec 13, 2016
- Western Digital (Fremont), LLC
- Jinwen Wang
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for fabricating a magnetic write pole having a leading edge...
- Patent number 9,508,363
- Issue date Nov 29, 2016
- Western Digital (Fremont), LLC
- Mingjun Yu
- G11 - INFORMATION STORAGE
Information Patent Grant
Methods for manufacturing electronic lapping guides for writer head...
- Patent number 9,082,426
- Issue date Jul 14, 2015
- Western Digital (Fremont), LLC
- Yan Chen
- B24 - GRINDING POLISHING
Information Patent Grant
Method for fabricating a magnetic writer having half-side shields
- Patent number 8,988,825
- Issue date Mar 24, 2015
- Western Digital (Fremont, LLC
- Jinqiu Zhang
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for providing a magnetic recording transducer using a combin...
- Patent number 8,980,109
- Issue date Mar 17, 2015
- Western Digital (Fremont), LLC
- Ronghui Zhou
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for providing a side shield for a magnetic recording transducer
- Patent number 8,982,508
- Issue date Mar 17, 2015
- Western Digital (Fremont), LLC
- Yan Chen
- 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
Information Patent Grant
Method for providing a monolithic shield for a magnetic recording t...
- Patent number 8,914,969
- Issue date Dec 23, 2014
- Western Digital (Fremont), LLC
- Xiaotian Zhou
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for manufacturing magnetic storage device and magnetic stora...
- Patent number 8,546,151
- Issue date Oct 1, 2013
- Renesas Electronics Corporation
- Haruo Furuta
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method of forming a fully wrapped-around shielded PMR writer pole
- Patent number 8,533,937
- Issue date Sep 17, 2013
- Western Digital (Fremont), LLC
- Jinwen Wang
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for providing a side shield for a magnetic recording transducer
- Patent number 8,419,954
- Issue date Apr 16, 2013
- Western Digital (Fremont), LLC
- Yan Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Self-aligned method for fabricating a high density GMR read element
- Patent number 8,104,166
- Issue date Jan 31, 2012
- Western Digital (Fremont), LLC
- Jinqiu Zhang
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method and system for providing field biased magnetic memory devices
- Patent number 7,738,287
- Issue date Jun 15, 2010
- Grandis, Inc.
- Zhitao Diao
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and system for providing a magnetic memory structure utilizi...
- Patent number 7,623,369
- Issue date Nov 24, 2009
- Grandis, Inc.
- Xiao Luo
- G11 - INFORMATION STORAGE
Information Patent Grant
Current-switched spin-transfer magnetic devices with reduced spin-t...
- Patent number 7,430,135
- Issue date Sep 30, 2008
- Grandis Inc.
- Yiming Huai
- G11 - INFORMATION STORAGE
Information Patent Grant
Current driven switching of magnetic storage cells utilizing spin t...
- Patent number 7,379,327
- Issue date May 27, 2008
- Grandis, Inc.
- Eugene Youjun Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and system for providing a magnetic memory structure utilizi...
- Patent number 7,345,912
- Issue date Mar 18, 2008
- Grandis, Inc.
- Xiao Luo
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic devices having a hard bias field and magnetic memory devic...
- Patent number 7,230,845
- Issue date Jun 12, 2007
- Grandis, Inc.
- Lien-Chang Wang
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and system for providing current balanced writing for memory...
- Patent number 7,187,577
- Issue date Mar 6, 2007
- Grandis, Inc.
- Lien-Chang Wang
- G11 - INFORMATION STORAGE
Information Patent Grant
Methods for fabricating redeposition free thin film CPP read sensors
- Patent number 7,111,382
- Issue date Sep 26, 2006
- Western Digital (Fremont), Inc.
- Kenneth E. Knapp
- G11 - INFORMATION STORAGE
Information Patent Grant
Structure and method for redeposition free thin film CPP read senso...
- Patent number 6,833,979
- Issue date Dec 21, 2004
- Western Digital (Fremont), Inc.
- Kenneth E. Knapp
- G11 - INFORMATION STORAGE
Information Patent Grant
Write head architecture for improved manufacturability
- Patent number 6,798,616
- Issue date Sep 28, 2004
- Western Digital (Fremont), Inc.
- David J. Seagle
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head with low stack height and self-aligned pole tips
- Patent number 6,504,676
- Issue date Jan 7, 2003
- Read-Rite Corporation
- Hugh C. Hiner
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic write head having a splitcoil structure
- Patent number 6,496,330
- Issue date Dec 17, 2002
- Read-Rite Corporation
- Billy W. Crue
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head with self-aligned pole tips
- Patent number 6,487,040
- Issue date Nov 26, 2002
- Read-Rite Corporation
- Yun-Lin Hsiao
- G11 - INFORMATION STORAGE
Information Patent Grant
Dielectric stencil-defined write head for MR, GMR, and spin valve h...
- Patent number 6,445,536
- Issue date Sep 3, 2002
- Read-Rite Corporation
- Steven C. Rudy
- G11 - INFORMATION STORAGE
Information Patent Grant
Structure and method for redeposition free thin film CPP read senso...
- Patent number 6,433,970
- Issue date Aug 13, 2002
- Read-Rite Corporation
- Kenneth E. Knapp
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Thin film write head for improved high speed and high density recor...
- Patent number 6,353,511
- Issue date Mar 5, 2002
- Read-Rite Corporation
- Zhupei Shi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic read sensor with SDT tri-layer and method for making same
- Patent number 6,330,136
- Issue date Dec 11, 2001
- Read-Rite Corporation
- Lien-Chang Wang
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Advance pole trim writer with moment P1 and low apex angle
- Patent number 6,317,290
- Issue date Nov 13, 2001
- Read-Rite Corporation
- Lien-Chang Wang
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR FABRICATING A MAGNETIC SHIELD AT REDUCED COST AND WITH E...
- Publication number 20150248899
- Publication date Sep 3, 2015
- WESTERN DIGITAL (FREMONT), LLC
- MINGJUN YU
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD FOR MANUFACTURING MAGNETIC STORAGE DEVICE AND MAGNETIC STORA...
- Publication number 20100264501
- Publication date Oct 21, 2010
- Haruo Furuta
- B82 - NANO-TECHNOLOGY
Information Patent Application
METHOD AND SYSTEM FOR PROVIDING FIELD BIASED MAGNETIC MEMORY DEVICES
- Publication number 20080273380
- Publication date Nov 6, 2008
- GRANDIS
- Zhitao Diao
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD AND SYSTEM FOR PROVIDING A MAGNETIC MEMORY STRUCTURE UTILIZI...
- Publication number 20080151611
- Publication date Jun 26, 2008
- GRANDIS, INC.
- Xiao Luo
- G11 - INFORMATION STORAGE
Information Patent Application
Current driven switching of magnetic storage cells utilizing spin t...
- Publication number 20070297223
- Publication date Dec 27, 2007
- Eugene Youjun Chen
- G11 - INFORMATION STORAGE
Information Patent Application
High density magnetic memory cell layout for spin transfer torque m...
- Publication number 20070279967
- Publication date Dec 6, 2007
- Xiao Luo
- G11 - INFORMATION STORAGE
Information Patent Application
Method and system for providing a magnetic memory structure utilizi...
- Publication number 20070279968
- Publication date Dec 6, 2007
- Xiao Luo
- G11 - INFORMATION STORAGE
Information Patent Application
On-plug magnetic tunnel junction devices based on spin torque trans...
- Publication number 20070246787
- Publication date Oct 25, 2007
- Lien-Chang Wang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Current-switched spin-transfer magnetic devices with reduced spin-t...
- Publication number 20070171694
- Publication date Jul 26, 2007
- Yiming Huai
- G11 - INFORMATION STORAGE

Lien-Chang Wang

Person

Patents Grantslast 30 patents

Method of forming a fully wrapped-around shielded PMR writer pole

Method for fabricating a magnetic write pole having a leading edge...

Methods for manufacturing electronic lapping guides for writer head...

Method for fabricating a magnetic writer having half-side shields

Method for providing a magnetic recording transducer using a combin...

Method for providing a side shield for a magnetic recording transducer

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

Method for providing a monolithic shield for a magnetic recording t...

Method for manufacturing magnetic storage device and magnetic stora...

Method of forming a fully wrapped-around shielded PMR writer pole

Method for providing a side shield for a magnetic recording transducer

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

Method and system for providing field biased magnetic memory devices

Method and system for providing a magnetic memory structure utilizi...

Current-switched spin-transfer magnetic devices with reduced spin-t...

Current driven switching of magnetic storage cells utilizing spin t...

Method and system for providing a magnetic memory structure utilizi...

Magnetic devices having a hard bias field and magnetic memory devic...

Method and system for providing current balanced writing for memory...

Methods for fabricating redeposition free thin film CPP read sensors

Structure and method for redeposition free thin film CPP read senso...

Write head architecture for improved manufacturability

Magnetic head with low stack height and self-aligned pole tips

Magnetic write head having a splitcoil structure

Thin film magnetic head with self-aligned pole tips

Dielectric stencil-defined write head for MR, GMR, and spin valve h...

Structure and method for redeposition free thin film CPP read senso...

Thin film write head for improved high speed and high density recor...

Magnetic read sensor with SDT tri-layer and method for making same

Advance pole trim writer with moment P1 and low apex angle

Patents Applicationslast 30 patents

METHOD FOR FABRICATING A MAGNETIC SHIELD AT REDUCED COST AND WITH E...

METHOD FOR MANUFACTURING MAGNETIC STORAGE DEVICE AND MAGNETIC STORA...

METHOD AND SYSTEM FOR PROVIDING FIELD BIASED MAGNETIC MEMORY DEVICES

METHOD AND SYSTEM FOR PROVIDING A MAGNETIC MEMORY STRUCTURE UTILIZI...

Current driven switching of magnetic storage cells utilizing spin t...

High density magnetic memory cell layout for spin transfer torque m...

Method and system for providing a magnetic memory structure utilizi...

On-plug magnetic tunnel junction devices based on spin torque trans...

Current-switched spin-transfer magnetic devices with reduced spin-t...