Yingjian Chen

Person

Fremont, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Anti-parallel coupled writer shields with stable magnetic domain co...
- Patent number 11,848,034
- Issue date Dec 19, 2023
- Western Digital Technologies, Inc.
- Yingjian Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Write head having a monolithic side sheild and leading shield
- Patent number 10,468,054
- Issue date Nov 5, 2019
- Western Digital Technologies, Inc.
- Kyusik Shin
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Perpendicular magnetic recording write head having a wrap around sh...
- Patent number 8,995,087
- Issue date Mar 31, 2015
- Western Digital (Fremont), LLC
- Yingjian Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for manufacturing wraparound shield write head using hard masks
- Patent number 8,801,943
- Issue date Aug 12, 2014
- HGST Netherlands B.V.
- Shiwen Huang
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording head having reduced shield notching
- Patent number 8,797,680
- Issue date Aug 5, 2014
- Western Digital (Fremont), LLC
- Guanghong Luo
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for providing a perpendicular magnetic recording (PMR)head
- Patent number 8,689,430
- Issue date Apr 8, 2014
- Western Digital (Fremont), LLC
- Yingjian Chen
- G11 - INFORMATION STORAGE
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
Use of magnetic material for RIE stop layer during damascene main p...
- Patent number 8,508,886
- Issue date Aug 13, 2013
- HGST Netherlands B.V.
- Yingjian Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular write head with wrap around shield and conformal side...
- Patent number 8,470,186
- Issue date Jun 25, 2013
- HGST Netherlands B.V.
- Yingjian Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk having an underlayer that includes a plurality of nonmagnetic...
- Patent number 8,455,119
- Issue date Jun 4, 2013
- Western Digital (Fremont), LLC
- Hai Jiang
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Perpendicular magnetic write head with wrap-around shield, slanted...
- Patent number 8,441,757
- Issue date May 14, 2013
- HGST Netherlands B.V.
- Yingjian Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for manufacturing a pole for a magnetic recording head
- Patent number 8,424,192
- Issue date Apr 23, 2013
- Western Digital (Fremont), LLC
- Danning Yang
- G11 - INFORMATION STORAGE
Information Patent Grant
Process to make PMR writer with leading edge shield (LES) and leadi...
- Patent number 8,400,733
- Issue date Mar 19, 2013
- HGST Netherlands B.V.
- Kyusik Shin
- G11 - INFORMATION STORAGE
Information Patent Grant
Integrated touch-down pad and touch-down sensor
- Patent number 8,335,053
- Issue date Dec 18, 2012
- Hitachi Global Storage Technologies Netherlands B.V.
- Yingjian Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for manufacturing a perpendicular magnetic recording transducer
- Patent number 8,333,008
- Issue date Dec 18, 2012
- Western Digital (Fremont), LLC
- Kyusik Sin
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and system for providing a high moment film
- Patent number 8,320,077
- Issue date Nov 27, 2012
- Western Digital (Fremont), LLC
- Yunjun Tang
- G11 - INFORMATION STORAGE
Information Patent Grant
PMR writer having a tapered write pole and bump layer and method of...
- Patent number 8,233,235
- Issue date Jul 31, 2012
- Hitachi Global Storage Technologies Netherlands B.V.
- Yingjian Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and system for providing a magnetic recording transducer hav...
- Patent number 8,231,796
- Issue date Jul 31, 2012
- Western Digital (Fremont), LLC
- Yun-Fei Li
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for manufacturing a magnetic write head having a wrap around...
- Patent number 8,201,320
- Issue date Jun 19, 2012
- Hitachi Global Storage Technologies Netherlands B.V.
- Donald G. Allen
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording head having a pole tip formed with...
- Patent number 8,149,536
- Issue date Apr 3, 2012
- Western Digital (Fremont), LLC
- Danning Yang
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for providing a perpendicular magnetic recording (PMR) trans...
- Patent number 8,146,236
- Issue date Apr 3, 2012
- Western Digital (Fremont), LLC
- Guanghong Luo
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic element having a smaller critical dimension of the free layer
- Patent number 8,081,403
- Issue date Dec 20, 2011
- Western Digital (Fremont), LLC
- Benjamin Chen
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method for providing a perpendicular magnetic recording (PMR) trans...
- Patent number 8,079,135
- Issue date Dec 20, 2011
- Western Digital (Fremont), LLC
- Yong Shen
- G11 - INFORMATION STORAGE
Information Patent Grant
Perpendicular magnetic recording head having a recessed magnetic ba...
- Patent number 8,077,434
- Issue date Dec 13, 2011
- Western Digital (Fremont), LLC
- Yong Shen
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording head formed by damascene process
- Patent number 8,018,677
- Issue date Sep 13, 2011
- Western Digital (Fremont), LLC
- Ki Sup Chung
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetically soft, high saturation magnetization laminate of iron-c...
- Patent number 7,968,219
- Issue date Jun 28, 2011
- Western Digital (Fremont), LLC
- Hai Jiang
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method and system for cleaning magnetic artifacts using a carbonyl...
- Patent number 7,819,979
- Issue date Oct 26, 2010
- Western Digital (Fremont), LLC
- Benjamin Chen
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method for fabricating magnetoresistive read head having a bias str...
- Patent number 7,691,434
- Issue date Apr 6, 2010
- Western Digital (Fremont), LLC
- Wei Zhang
- G11 - INFORMATION STORAGE
Information Patent Grant
Laminated perpendicular writer head including amorphous metal
- Patent number 7,672,080
- Issue date Mar 2, 2010
- Western Digital (Fremont), LLC
- YunJun Tang
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic sensor with underlayers promoting high-coercivity, in-plan...
- Patent number 7,639,457
- Issue date Dec 29, 2009
- Western Digital (Fremont), LLC
- Yingjian Chen
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Anti-Parallel Coupled Writer Shields with Stable Magnetic Domain Co...
- Publication number 20230178104
- Publication date Jun 8, 2023
- Western Digital Technologies, Inc.
- Yingjian CHEN
- 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
USE OF MAGNETIC MATERIAL FOR RIE STOP LAYER DURING DAMASCENE MAIN P...
- Publication number 20130078483
- Publication date Mar 28, 2013
- Yingjian CHEN
- G11 - INFORMATION STORAGE
Information Patent Application
Method For Manufacturing Wraparound Shield Write Head Using Hard Masks
- Publication number 20130026131
- Publication date Jan 31, 2013
- HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V.
- Shiwen Huang
- G11 - INFORMATION STORAGE
Information Patent Application
PERPENDICULAR WRITE HEAD WITH WRAP AROUND SHIELD AND CONFORMAL SIDE...
- Publication number 20120125885
- Publication date May 24, 2012
- YINGJIAN CHEN
- G11 - INFORMATION STORAGE
Information Patent Application
PROCESS TO MAKE PMR WRITER WITH LEADING EDGE SHIELD (LES) AND LEADI...
- Publication number 20120127612
- Publication date May 24, 2012
- Kyusik Shin
- G11 - INFORMATION STORAGE
Information Patent Application
INTEGRATED TOUCH-DOWN PAD AND TOUCH-DOWN SENSOR
- Publication number 20120105999
- Publication date May 3, 2012
- Hitachi Global Storage Technologies Netherlands B.V.
- Yingjian Chen
- 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
PERPENDICULAR MAGNETIC WRITE HEAD WITH WRAP-AROUND SHIELD, SLANTED...
- Publication number 20110134567
- Publication date Jun 9, 2011
- Yingjian Chen
- G11 - INFORMATION STORAGE
Information Patent Application
PMR WRITER AND METHOD OF FABRICATION
- Publication number 20110134568
- Publication date Jun 9, 2011
- YINGJIAN CHEN
- G11 - INFORMATION STORAGE
Information Patent Application
Write head having a recessed, magnetic adjunct pole formed atop a m...
- Publication number 20050007696
- Publication date Jan 13, 2005
- Western Digital (Fremont), Inc.
- Yingjian Chen
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic recording head with a side shield structure for controllin...
- Publication number 20040156148
- Publication date Aug 12, 2004
- Thomas Young Chang
- G11 - INFORMATION STORAGE
Information Patent Application
Coil inductive writer having a low inductance and short yoke length
- Publication number 20040075943
- Publication date Apr 22, 2004
- Hai Jiang
- G11 - INFORMATION STORAGE
Information Patent Application
Thin film write head having a laminated, flat top pole with bottom...
- Publication number 20040027716
- Publication date Feb 12, 2004
- Yingjian Chen
- G11 - INFORMATION STORAGE
Information Patent Application
Inductive write head structure incorporating a high moment film in...
- Publication number 20030202278
- Publication date Oct 30, 2003
- Yingjian Chen
- G11 - INFORMATION STORAGE
Information Patent Application
Inductive writer with flat top pole and pedestal defined zero throat
- Publication number 20020181162
- Publication date Dec 5, 2002
- Yingjian Chen
- G11 - INFORMATION STORAGE

Yingjian Chen

Person

Patents Grantslast 30 patents

Anti-parallel coupled writer shields with stable magnetic domain co...

Write head having a monolithic side sheild and leading shield

Perpendicular magnetic recording write head having a wrap around sh...

Method for manufacturing wraparound shield write head using hard masks

Perpendicular magnetic recording head having reduced shield notching

Method for providing a perpendicular magnetic recording (PMR)head

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

Use of magnetic material for RIE stop layer during damascene main p...

Perpendicular write head with wrap around shield and conformal side...

Disk having an underlayer that includes a plurality of nonmagnetic...

Perpendicular magnetic write head with wrap-around shield, slanted...

Method for manufacturing a pole for a magnetic recording head

Process to make PMR writer with leading edge shield (LES) and leadi...

Integrated touch-down pad and touch-down sensor

Method for manufacturing a perpendicular magnetic recording transducer

Method and system for providing a high moment film

PMR writer having a tapered write pole and bump layer and method of...

Method and system for providing a magnetic recording transducer hav...

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

Perpendicular magnetic recording head having a pole tip formed with...

Method for providing a perpendicular magnetic recording (PMR) trans...

Magnetic element having a smaller critical dimension of the free layer

Method for providing a perpendicular magnetic recording (PMR) trans...

Perpendicular magnetic recording head having a recessed magnetic ba...

Magnetic recording head formed by damascene process

Magnetically soft, high saturation magnetization laminate of iron-c...

Method and system for cleaning magnetic artifacts using a carbonyl...

Method for fabricating magnetoresistive read head having a bias str...

Laminated perpendicular writer head including amorphous metal

Magnetic sensor with underlayers promoting high-coercivity, in-plan...

Patents Applicationslast 30 patents

Anti-Parallel Coupled Writer Shields with Stable Magnetic Domain Co...

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

USE OF MAGNETIC MATERIAL FOR RIE STOP LAYER DURING DAMASCENE MAIN P...

Method For Manufacturing Wraparound Shield Write Head Using Hard Masks

PERPENDICULAR WRITE HEAD WITH WRAP AROUND SHIELD AND CONFORMAL SIDE...

PROCESS TO MAKE PMR WRITER WITH LEADING EDGE SHIELD (LES) AND LEADI...

INTEGRATED TOUCH-DOWN PAD AND TOUCH-DOWN SENSOR

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

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

PERPENDICULAR MAGNETIC WRITE HEAD WITH WRAP-AROUND SHIELD, SLANTED...

PMR WRITER AND METHOD OF FABRICATION

Write head having a recessed, magnetic adjunct pole formed atop a m...

Magnetic recording head with a side shield structure for controllin...

Coil inductive writer having a low inductance and short yoke length

Thin film write head having a laminated, flat top pole with bottom...

Inductive write head structure incorporating a high moment film in...

Inductive writer with flat top pole and pedestal defined zero throat