CHEN JUNG CHIEN

Person

MOUNTAIN VIEW, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Middle shields two-dimensional magnetic recording read heads
- Patent number 12,322,420
- Issue date Jun 3, 2025
- Western Digital Technologies, Inc.
- Ming Mao
- G11 - INFORMATION STORAGE
Information Patent Grant
Produce thinner DTS and adjustable capacitance for TDMR heads
- Patent number 12,308,052
- Issue date May 20, 2025
- Western Digital Technologies, Inc.
- Fang Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
DFL read head with SiOx cap layer on AlOx refill layers
- Patent number 12,106,787
- Issue date Oct 1, 2024
- Western Digital Technologies, Inc.
- Yung-Hung Wang
- G11 - INFORMATION STORAGE
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
Vertical junction to provide optimal transverse bias for dual free...
- Patent number 11,532,324
- Issue date Dec 20, 2022
- Western Digital Technologies, Inc.
- Ming Mao
- G11 - INFORMATION STORAGE
Information Patent Grant
Method to enhance magnetic strength and robustness of rear hard bia...
- Patent number 11,514,933
- Issue date Nov 29, 2022
- Western Digital Technologies, Inc.
- Chen-Jung Chien
- G11 - INFORMATION STORAGE
Information Patent Grant
Planar design for sensors in a dual free layer read head
- Patent number 11,514,934
- Issue date Nov 29, 2022
- Western Digital Technologies, Inc.
- Ming Mao
- G11 - INFORMATION STORAGE
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 single TMR film plus laser annealing and...
- Patent number 11,495,252
- Issue date Nov 8, 2022
- Western Digital Technologies, Inc.
- Yuankai Zheng
- G01 - MEASURING TESTING
Information Patent Grant
Magnetic sensor array with one TMR stack having two free layers
- Patent number 11,415,645
- Issue date Aug 16, 2022
- Western Digital Technologies, Inc.
- Yuankai Zheng
- G11 - INFORMATION STORAGE
Information Patent Grant
Two-dimensional magnetic recording reader with dual free layer magn...
- Patent number 11,410,690
- Issue date Aug 9, 2022
- Western Digital Technologies, Inc.
- Chih-Ching Hu
- G11 - INFORMATION STORAGE
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
Dual free layer TMR magnetic field sensor
- Patent number 11,169,227
- Issue date Nov 9, 2021
- Western Digital Technologies, Inc.
- Chih-Ching Hu
- G01 - MEASURING TESTING
Information Patent Grant
Magnetic sensor array with single TMR film plus laser annealing and...
- Patent number 11,170,806
- Issue date Nov 9, 2021
- Western Digital Technologies, Inc.
- Yuankai Zheng
- G11 - INFORMATION STORAGE
Information Patent Grant
Transverse bias strength enhancement in dual free layer tunnel magn...
- Patent number 11,170,809
- Issue date Nov 9, 2021
- Western Digital Technologies, Inc.
- Ming Mao
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic sensor with serial resistor for asymmetric sensing field r...
- Patent number 11,169,228
- Issue date Nov 9, 2021
- Western Digital Technologies, Inc.
- Yung-Hung Wang
- G11 - INFORMATION STORAGE
Information Patent Grant
Effective rear hard bias for dual free layer read heads
- Patent number 11,087,785
- Issue date Aug 10, 2021
- Western Digital Technologies, Inc.
- Ming Mao
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of forming a magnetic head
- Patent number 10,629,230
- Issue date Apr 21, 2020
- Western Digital Technologies, Inc.
- Guanxiong Li
- G11 - INFORMATION STORAGE
Information Patent Grant
Tunnel magnetoresistance read head including side shields containin...
- Patent number 10,354,681
- Issue date Jul 16, 2019
- SanDisk Technologies LLC
- Chen-Jung Chien
- G11 - INFORMATION STORAGE
Information Patent Grant
Free layer only magnetic reader that may have a reduced shield-to-s...
- Patent number 10,068,601
- Issue date Sep 4, 2018
- Western Digital (Fremont), LLC
- Shaoping Li
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic read head with antiferromagentic layer
- Patent number 9,830,936
- Issue date Nov 28, 2017
- Western Digital (Fremont), LLC
- Shaoping Li
- G11 - INFORMATION STORAGE
Information Patent Grant
Tunnel magnetoresistance read head with narrow shield-to-shield spa...
- Patent number 9,412,400
- Issue date Aug 9, 2016
- Western Digital (Fremont), LLC
- Rongfu Xiao
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing a magnetic read head
- Patent number 9,214,172
- Issue date Dec 15, 2015
- Western Digital (Fremont), LLC
- Shaoping Li
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and system for providing a read transducer having a dual fre...
- Patent number 9,147,404
- Issue date Sep 29, 2015
- Western Digital (Fremont), LLC
- Guanghong Luo
- G11 - INFORMATION STORAGE
Information Patent Grant
Tunnel magnetoresistance read head with narrow shield-to-shield spa...
- Patent number 9,065,043
- Issue date Jun 23, 2015
- Western Digital (Fremont), LLC
- Rongfu Xiao
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetoresistive sensor for a magnetic storage system read head, an...
- Patent number 9,053,719
- Issue date Jun 9, 2015
- Western Digital (Fremont), LLC
- Cheng-Han Yang
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Tunnel magnetoresistance read head with narrow shield-to-shield spa...
- Patent number 8,711,528
- Issue date Apr 29, 2014
- Western Digital (Fremont), LLC
- Rongfu Xiao
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Dual Free Layer TMR Reader With Shaped Rear Bias and Methods of For...
- Publication number 20250014594
- Publication date Jan 9, 2025
- Western Digital Technologies, Inc.
- Ming MAO
- G11 - INFORMATION STORAGE
Information Patent Application
Produce Thinner DTS and Adjustable Capacitance for TDMR Heads
- Publication number 20240347073
- Publication date Oct 17, 2024
- Western Digital Technologies, Inc.
- Fang CHEN
- G11 - INFORMATION STORAGE
Information Patent Application
Middle Shields Two-Dimensional Magnetic Recording Read Heads
- Publication number 20240144966
- Publication date May 2, 2024
- Western Digital Technologies, Inc.
- Ming MAO
- G11 - INFORMATION STORAGE
Information Patent Application
Dual Free Layer TMR Reader With Shaped Rear Bias and Methods of For...
- Publication number 20240071413
- Publication date Feb 29, 2024
- Western Digital Technologies, Inc.
- Ming MAO
- G11 - INFORMATION STORAGE
Information Patent Application
Vertical Junction To Provide Optimal Transverse Bias For Dual Free...
- Publication number 20220115035
- Publication date Apr 14, 2022
- Western Digital Technologies, Inc.
- Ming MAO
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic Sensor Array With Single TMR Film Plus Laser Annealing And...
- Publication number 20220005500
- Publication date Jan 6, 2022
- Western Digital Technologies, Inc.
- Yuankai ZHENG
- G01 - MEASURING TESTING
Information Patent Application
TWO-DIMENSIONAL MAGNETIC RECORDING READER WITH DUAL FREE LAYER MAGN...
- Publication number 20210390978
- Publication date Dec 16, 2021
- Western Digital Technologies, Inc.
- Chih-Ching HU
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic Sensor Array with Single TMR Film Plus Laser Annealing and...
- Publication number 20210201943
- Publication date Jul 1, 2021
- Western Digital Technologies, Inc.
- Yuankai ZHENG
- H01 - BASIC ELECTRIC ELEMENTS
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
Magnetic Sensor with Serial Resistor for Asymmetric Sensing Field R...
- Publication number 20210063509
- Publication date Mar 4, 2021
- Western Digital Technologies, Inc.
- Yung-Hung WANG
- G01 - MEASURING TESTING
Information Patent Application
Dual Free Layer TMR Magnetic Field Sensor
- Publication number 20210063508
- Publication date Mar 4, 2021
- Western Digital Technologies, Inc.
- Chih-Ching HU
- G01 - MEASURING TESTING
Information Patent Application
Magnetic Sensor Array With One TMR Stack Having Two Free Layers
- Publication number 20210055361
- Publication date Feb 25, 2021
- Western Digital Technologies, Inc.
- Yuankai ZHENG
- H01 - BASIC ELECTRIC ELEMENTS
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
ELECTRONIC LAPPING GUIDE WITH A BACKSIDE EDGE DECOUPLED FROM A READ...
- Publication number 20180308514
- Publication date Oct 25, 2018
- WESTERN DIGITAL TECHNOLOGIES, INC.,
- Guanxiong LI
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC READ HEAD WITH ANTIFERROMAGENTIC LAYER
- Publication number 20160180870
- Publication date Jun 23, 2016
- WESTERN DIGITAL (FREMONT), LLC
- SHAOPING LI
- G11 - INFORMATION STORAGE
Information Patent Application
TUNNEL MAGNETORESISTANCE READ HEAD WITH NARROW SHIELD-TO-SHIELD SPA...
- Publication number 20150279393
- Publication date Oct 1, 2015
- WESTERN DIGITAL (FREMONT), LLC
- RONGFU XIAO
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC READ HEAD WITH ANTIFERROMAGNETIC LAYER
- Publication number 20150109702
- Publication date Apr 23, 2015
- WESTERN DIGITAL (FREMONT), LLC
- SHAOPING LI
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETORESISTIVE SENSOR FOR A MAGNETIC STORAGE SYSTEM READ HEAD, AN...
- Publication number 20140154529
- Publication date Jun 5, 2014
- WESTERN DIGITAL (FREMONT), LLC
- Cheng-Han YANG
- B82 - NANO-TECHNOLOGY

CHEN JUNG CHIEN

Person

Patents Grantslast 30 patents

Middle shields two-dimensional magnetic recording read heads

Produce thinner DTS and adjustable capacitance for TDMR heads

DFL read head with SiOx cap layer on AlOx refill layers

Magnetic sensor array with different RA TMR film

Vertical junction to provide optimal transverse bias for dual free...

Method to enhance magnetic strength and robustness of rear hard bia...

Planar design for sensors in a dual free layer read head

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

Magnetic sensor array with single TMR film plus laser annealing and...

Magnetic sensor array with one TMR stack having two free layers

Two-dimensional magnetic recording reader with dual free layer magn...

Magnetic sensor array with dual TMR film

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

Dual free layer TMR magnetic field sensor

Magnetic sensor array with single TMR film plus laser annealing and...

Transverse bias strength enhancement in dual free layer tunnel magn...

Magnetic sensor with serial resistor for asymmetric sensing field r...

Effective rear hard bias for dual free layer read heads

Method of forming a magnetic head

Tunnel magnetoresistance read head including side shields containin...

Free layer only magnetic reader that may have a reduced shield-to-s...

Magnetic read head with antiferromagentic layer

Tunnel magnetoresistance read head with narrow shield-to-shield spa...

Method of manufacturing a magnetic read head

Method and system for providing a read transducer having a dual fre...

Tunnel magnetoresistance read head with narrow shield-to-shield spa...

Magnetoresistive sensor for a magnetic storage system read head, an...

Tunnel magnetoresistance read head with narrow shield-to-shield spa...

Patents Applicationslast 30 patents

Dual Free Layer TMR Reader With Shaped Rear Bias and Methods of For...

Produce Thinner DTS and Adjustable Capacitance for TDMR Heads

Middle Shields Two-Dimensional Magnetic Recording Read Heads

Dual Free Layer TMR Reader With Shaped Rear Bias and Methods of For...

Vertical Junction To Provide Optimal Transverse Bias For Dual Free...

Magnetic Sensor Array With Single TMR Film Plus Laser Annealing And...

TWO-DIMENSIONAL MAGNETIC RECORDING READER WITH DUAL FREE LAYER MAGN...

Magnetic Sensor Array with Single TMR Film Plus Laser Annealing and...

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

Magnetic Sensor with Serial Resistor for Asymmetric Sensing Field R...

Dual Free Layer TMR Magnetic Field Sensor

Magnetic Sensor Array With One TMR Stack Having Two Free Layers

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

ELECTRONIC LAPPING GUIDE WITH A BACKSIDE EDGE DECOUPLED FROM A READ...

MAGNETIC READ HEAD WITH ANTIFERROMAGENTIC LAYER

TUNNEL MAGNETORESISTANCE READ HEAD WITH NARROW SHIELD-TO-SHIELD SPA...

MAGNETIC READ HEAD WITH ANTIFERROMAGNETIC LAYER

MAGNETORESISTIVE SENSOR FOR A MAGNETIC STORAGE SYSTEM READ HEAD, AN...