RONGHUI ZHOU

Person

Fremont, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic sensor array with different RA TMR film
- Patent number 11,598,828
- Issue date Mar 7, 2023
- Western Digital Technologies, Inc.
- Yuankai Zheng
- G01 - MEASURING TESTING
Information Patent Grant
Magnetic sensor with dual TMR films and the method of making the same
- Patent number 11,493,573
- Issue date Nov 8, 2022
- Western Digital Technologies, Inc.
- Chih-Ching Hu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic sensor array with dual TMR film
- Patent number 11,385,305
- Issue date Jul 12, 2022
- Western Digital Technologies, Inc.
- Yuankai Zheng
- G01 - MEASURING TESTING
Information Patent Grant
Bottom leads chemical mechanical planarization for TMR magnetic sen...
- Patent number 11,201,280
- Issue date Dec 14, 2021
- Western Digital Technologies, Inc.
- Ronghui Zhou
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for fabricating a magnetic writer having a gradient side gap
- Patent number 9,349,394
- Issue date May 24, 2016
- Western Digital (Fremont), LLC
- Hai Sun
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for fabricating a magnetic writer having half shields
- Patent number 9,343,087
- Issue date May 17, 2016
- Western Digital (Fremont), LLC
- Ronghui Zhou
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for providing a heat assisted magnetic recording transducer...
- Patent number 9,343,098
- Issue date May 17, 2016
- Western Digital (Fremont), LLC
- Li He
- G11 - INFORMATION STORAGE
Information Patent Grant
Dual damascene process for producing a PMR write pole
- Patent number 9,099,118
- Issue date Aug 4, 2015
- Western Digital (Fremont), LLC
- Ronghui Zhou
- 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 using a full-film metal pl...
- Patent number 9,053,735
- Issue date Jun 9, 2015
- Western Digital (Fremont), LLC
- Ronghui Zhou
- 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
Process for fabricating a magnetic pole and shields
- Patent number 8,578,594
- Issue date Nov 12, 2013
- Western Digital (Fremont), LLC
- Ming Jiang
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and system for providing a magnetic recording transducer usi...
- Patent number 8,506,828
- Issue date Aug 13, 2013
- Western Digital (Fremont), LLC
- Masahiro Osugi
- G11 - INFORMATION STORAGE
Information Patent Grant
Damascene write poles produced via full film plating
- Patent number 8,486,285
- Issue date Jul 16, 2013
- Western Digital (Fremont), LLC
- Ronghui Zhou
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and system for providing a full wrap-around shield using a f...
- Patent number 8,454,846
- Issue date Jun 4, 2013
- Western Digital (Fremont), LLC
- Ronghui Zhou
- G11 - INFORMATION STORAGE
Information Patent Grant
Methods of producing damascene main pole for perpendicular magnetic...
- Patent number 8,262,918
- Issue date Sep 11, 2012
- Western Digital (Fremont), LLC
- Yun-Fei Li
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Magnetic Sensor with Dual TMR Films and the Method of Making the Same
- Publication number 20210063502
- Publication date Mar 4, 2021
- Western Digital Technologies, Inc.
- Chih-Ching HU
- G01 - MEASURING TESTING
Information Patent Application
Magnetic Sensor Array with Dual TMR Film
- Publication number 20210063504
- Publication date Mar 4, 2021
- Western Digital Technologies, Inc.
- Yuankai ZHENG
- G01 - MEASURING TESTING
Information Patent Application
Magnetic Sensor Array with Different RA TMR Film
- Publication number 20210063507
- Publication date Mar 4, 2021
- Western Digital Technologies, Inc.
- Yuankai ZHENG
- G01 - MEASURING TESTING
Information Patent Application
Bottom Leads Chemical Mechanical Planarization for TMR Magnetic Sen...
- Publication number 20210057638
- Publication date Feb 25, 2021
- Western Digital Technologies, Inc.
- Ronghui ZHOU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PROCESS FOR FABRICATING A MAGNETIC POLE AND SHIELDS
- Publication number 20120304454
- Publication date Dec 6, 2012
- WESTERN DIGITAL (FREMONT), LLC
- MING JIANG
- G11 - INFORMATION STORAGE
Information Patent Application
DAMASCENE WRITE POLES PRODUCED VIA FULL FILM PLATING
- Publication number 20110042349
- Publication date Feb 24, 2011
- WESTERN DIGITAL (FREMONT), LLC
- Ronghui ZHOU
- G11 - INFORMATION STORAGE

RONGHUI ZHOU

Person

Patents Grantslast 30 patents

Magnetic sensor array with different RA TMR film

Magnetic sensor with dual TMR films and the method of making the same

Magnetic sensor array with dual TMR film

Bottom leads chemical mechanical planarization for TMR magnetic sen...

Method for fabricating a magnetic writer having a gradient side gap

Method for fabricating a magnetic writer having half shields

Method for providing a heat assisted magnetic recording transducer...

Dual damascene process for producing a PMR write pole

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

Method for fabricating a magnetic writer using a full-film metal pl...

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

Process for fabricating a magnetic pole and shields

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

Damascene write poles produced via full film plating

Method and system for providing a full wrap-around shield using a f...

Methods of producing damascene main pole for perpendicular magnetic...

Patents Applicationslast 30 patents

Magnetic Sensor with Dual TMR Films and the Method of Making the Same

Magnetic Sensor Array with Dual TMR Film

Magnetic Sensor Array with Different RA TMR Film

Bottom Leads Chemical Mechanical Planarization for TMR Magnetic Sen...

PROCESS FOR FABRICATING A MAGNETIC POLE AND SHIELDS

DAMASCENE WRITE POLES PRODUCED VIA FULL FILM PLATING