DEHUA HAN

Person

FREMONT, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and system for providing an antiferromagnetically coupled wr...
- Patent number 9,368,134
- Issue date Jun 14, 2016
- Western Digital (Fremont), LLC
- Ming Sun
- G11 - INFORMATION STORAGE
Information Patent Grant
Gradient write gap for perpendicular magnetic recording writer
- Patent number 9,214,166
- Issue date Dec 15, 2015
- Western Digital (Fremont), LLC
- Li Zeng
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for fabricating a magnetic write pole using vacuum deposition
- Patent number 9,135,930
- Issue date Sep 15, 2015
- Western Digital (Fremont), LLC
- Li Zeng
- G11 - INFORMATION STORAGE
Information Patent Grant
Conformal high moment side shield seed layer for perpendicular magn...
- Patent number 9,123,358
- Issue date Sep 1, 2015
- Western Digital (Fremont), LLC
- Feng Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording transducer with sputtered antiferromagnetic coup...
- Patent number 9,123,359
- Issue date Sep 1, 2015
- Western Digital (Fremont), LLC
- Dehua Han
- G11 - INFORMATION STORAGE
Information Patent Grant
Methods for characterizing relative film density using spectroscopi...
- Patent number 9,052,269
- Issue date Jun 9, 2015
- Western Digital (Fremont), LLC
- Lifan Chen
- G01 - MEASURING TESTING
Information Patent Grant
Gradient write gap for perpendicular magnetic recording writer
- Patent number 9,042,051
- Issue date May 26, 2015
- Western Digital (Fremont), LLC
- Li Zeng
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Laminated touchdown sensor for hard disk drives
- Patent number 8,837,081
- Issue date Sep 16, 2014
- Western Digital (Fremont), LLC
- Chengtao R. Yu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording sensor with sputtered antiferromagnetic coupling...
- Patent number 8,760,819
- Issue date Jun 24, 2014
- Western Digital (Fremont), LLC
- Feng Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Conformal high moment side shield seed layer for perpendicular magn...
- Patent number 8,724,259
- Issue date May 13, 2014
- Western Digital (Fremont), LLC
- Feng Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and system for providing a magnetic transducer having a high...
- Patent number 8,582,241
- Issue date Nov 12, 2013
- Western Digital (Fremont), LLC
- Chengtao R. Yu
- G11 - INFORMATION STORAGE
Information Patent Grant
Systems and methods for providing perpendicular magnetic writers ha...
- Patent number 8,582,238
- Issue date Nov 12, 2013
- Western Digital (Fremont), LLC
- Feng Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and system for providing an antiferromagnetically coupled wr...
- Patent number 8,441,756
- Issue date May 14, 2013
- Western Digital (Fremont), LLC
- Ming Sun
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
GRADIENT WRITE GAP FOR PERPENDICULAR MAGNETIC RECORDING WRITER
- Publication number 20150049400
- Publication date Feb 19, 2015
- WESTERN DIGITAL (FREMONT), LLC
- LI ZENG
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Person

Patents Grantslast 30 patents

Method and system for providing an antiferromagnetically coupled wr...

Gradient write gap for perpendicular magnetic recording writer

Method for fabricating a magnetic write pole using vacuum deposition

Conformal high moment side shield seed layer for perpendicular magn...

Magnetic recording transducer with sputtered antiferromagnetic coup...

Methods for characterizing relative film density using spectroscopi...

Gradient write gap for perpendicular magnetic recording writer

Laminated touchdown sensor for hard disk drives

Magnetic recording sensor with sputtered antiferromagnetic coupling...

Conformal high moment side shield seed layer for perpendicular magn...

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

Systems and methods for providing perpendicular magnetic writers ha...

Method and system for providing an antiferromagnetically coupled wr...

Patents Applicationslast 30 patents

GRADIENT WRITE GAP FOR PERPENDICULAR MAGNETIC RECORDING WRITER