Cherngye Hwang

Person

San Jose, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Doping process to refine grain size for smoother BiSb film surface
- Patent number 12,125,512
- Issue date Oct 22, 2024
- Western Digital Technologies, Inc.
- Quang Le
- G11 - INFORMATION STORAGE
Information Patent Grant
Topological insulator based spin torque oscillator reader
- Patent number 12,125,508
- Issue date Oct 22, 2024
- Western Digital Technologies, Inc.
- Xiaoyong Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Doped BiSb (012) or undoped BiSb (001) topological insulator with G...
- Patent number 12,106,791
- Issue date Oct 1, 2024
- Western Digital Technologies, Inc.
- Quang Le
- G11 - INFORMATION STORAGE
Information Patent Grant
Cobalt-boron (CoB) layer for magnetic recording devices, memory dev...
- Patent number 12,033,675
- Issue date Jul 9, 2024
- Western Digital Technologies, Inc.
- Susumu Okamura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Longitudinal sensor bias structures and method of formation thereof
- Patent number 12,027,308
- Issue date Jul 2, 2024
- Western Digital Technologies, Inc.
- Masaya Nishioka
- G11 - INFORMATION STORAGE
Information Patent Grant
BiSbX (012) layers having increased operating temperatures for SOT...
- Patent number 11,908,496
- Issue date Feb 20, 2024
- Western Digital Technologies, Inc.
- Quang Le
- G11 - INFORMATION STORAGE
Information Patent Grant
SOT reader using BiSb topological insulator
- Patent number 11,875,827
- Issue date Jan 16, 2024
- Western Digital Technologies, Inc.
- Quang Le
- G11 - INFORMATION STORAGE
Information Patent Grant
Topological insulator based spin torque oscillator reader
- Patent number 11,783,853
- Issue date Oct 10, 2023
- Western Digital Technologies, Inc.
- Xiaoyong Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Tape head with side-shielded writers and process for making same
- Patent number 11,776,565
- Issue date Oct 3, 2023
- Western Digital Technologies, Inc.
- Quang Le
- G11 - INFORMATION STORAGE
Information Patent Grant
SOT film stack for differential reader
- Patent number 11,776,567
- Issue date Oct 3, 2023
- Western Digital Technologies, Inc.
- Cherngye Hwang
- G11 - INFORMATION STORAGE
Information Patent Grant
Buffer layers and interlayers that promote BiSbx (012) alloy orient...
- Patent number 11,763,973
- Issue date Sep 19, 2023
- Western Digital Technologies, Inc.
- Quang Le
- G11 - INFORMATION STORAGE
Information Patent Grant
Read head having one or more antiferromagnetic layers above soft bi...
- Patent number 11,735,211
- Issue date Aug 22, 2023
- Western Digital Technologies, Inc.
- Quang Le
- G11 - INFORMATION STORAGE
Information Patent Grant
BiSb topological insulator with novel buffer layer that promotes a...
- Patent number 11,694,713
- Issue date Jul 4, 2023
- Western Digital Technologies, Inc.
- Quang Le
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic head with assisted magnetic recording
- Patent number 11,682,419
- Issue date Jun 20, 2023
- Western Digital Technologies, Inc.
- Kenji Kuroki
- G11 - INFORMATION STORAGE
Information Patent Grant
Two-dimensional magnetic recording (TDMR) to counter tape dimension...
- Patent number 11,670,329
- Issue date Jun 6, 2023
- Western Digital Technologies, Inc.
- Quang Le
- G11 - INFORMATION STORAGE
Information Patent Grant
Longitudinal sensor bias structures and method of formation thereof
- Patent number 11,631,535
- Issue date Apr 18, 2023
- Western Digital Technologies, Inc.
- Masaya Nishioka
- G11 - INFORMATION STORAGE
Information Patent Grant
BiSbX (012) layers having increased operating temperatures for SOT...
- Patent number 11,532,323
- Issue date Dec 20, 2022
- Western Digital Technologies, Inc.
- Quang Le
- G11 - INFORMATION STORAGE
Information Patent Grant
Base conducting layer beneath graphite layer of ceramic cathode for...
- Patent number 11,527,390
- Issue date Dec 13, 2022
- Western Digital Technologies, Inc.
- Cherngye Hwang
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Soft bias shape anisotropy stabilization read head design and metho...
- Patent number 11,514,932
- Issue date Nov 29, 2022
- Western Digital Technologies, Inc.
- Quang Le
- G11 - INFORMATION STORAGE
Information Patent Grant
Soft bias side shield stabilized by hard bias for read head design
- Patent number 11,514,930
- Issue date Nov 29, 2022
- Western Digital Technologies, Inc.
- Quang Le
- G11 - INFORMATION STORAGE
Information Patent Grant
Read head having one or more antiferromagnetic layers below soft bi...
- Patent number 11,514,936
- Issue date Nov 29, 2022
- Western Digital Technologies, Inc.
- Quang Le
- G11 - INFORMATION STORAGE
Information Patent Grant
Bismuth antimony alloys for use as topological insulators
- Patent number 11,495,741
- Issue date Nov 8, 2022
- Western Digital Technologies, Inc.
- Brian R. York
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
BiSb topological insulator with seed layer or interlayer to prevent...
- Patent number 11,489,108
- Issue date Nov 1, 2022
- Western Digital Technologies, Inc.
- Quang Le
- G11 - INFORMATION STORAGE
Information Patent Grant
Read head having one or more antiferromagnetic layers above soft bi...
- Patent number 11,437,061
- Issue date Sep 6, 2022
- Western Digital Technologies, Inc.
- Quang Le
- G11 - INFORMATION STORAGE
Information Patent Grant
Base conducting layer beneath graphite layer of ceramic cathode for...
- Patent number 11,270,872
- Issue date Mar 8, 2022
- Western Digital Technologies, Inc.
- Cherngye Hwang
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
SOT film stack for differential reader
- Patent number 11,094,338
- Issue date Aug 17, 2021
- Western Digital Technologies, Inc.
- Cherngye Hwang
- G11 - INFORMATION STORAGE
Information Patent Grant
Control head to head spacing using a piezoelectric device
- Patent number 10,783,924
- Issue date Sep 22, 2020
- Western Digital Technologies, Inc.
- Trevor Olson
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording disk drive with a contact pad for protection of...
- Patent number 10,748,561
- Issue date Aug 18, 2020
- Western Digital Technologies, Inc.
- Cherngye Hwang
- G11 - INFORMATION STORAGE
Information Patent Grant
Heat-assisted magnetic recording (HAMR) write head with protective...
- Patent number 10,083,713
- Issue date Sep 25, 2018
- Western Digital Technologies, Inc.
- Randall George Simmons
- G11 - INFORMATION STORAGE
Information Patent Grant
System and method for differential etching
- Patent number 9,966,237
- Issue date May 8, 2018
- International Business Machines Corporation
- Robert G. Biskeborn
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
SPIN ORBIT TORQUE BASED THERMAL SENSOR FOR INSITU MONITORING OF MAG...
- Publication number 20240310459
- Publication date Sep 19, 2024
- Western Digital Technologies, Inc.
- Quang LE
- G01 - MEASURING TESTING
Information Patent Application
Thermal Sensor insitu monitoring of Magnetic Recording head
- Publication number 20240240994
- Publication date Jul 18, 2024
- Western Digital Technologies, Inc.
- Quang LE
- G11 - INFORMATION STORAGE
Information Patent Application
TDMR SOT Read Heads Having Recessed Topological Insulator Materials
- Publication number 20240144960
- Publication date May 2, 2024
- Western Digital Technologies, Inc.
- Quang LE
- G11 - INFORMATION STORAGE
Information Patent Application
SOT READER WITH RECESSED SOT TOPOLOGICAL INSULATOR MATERIAL
- Publication number 20240144965
- Publication date May 2, 2024
- Western Digital Technologies, Inc.
- Quang LE
- G11 - INFORMATION STORAGE
Information Patent Application
Cobalt-Boron (CoB) Layer for Magnetic Recording Devices, Memory Dev...
- Publication number 20240112840
- Publication date Apr 4, 2024
- Western Digital Technologies, Inc.
- Susumu OKAMURA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Buffer Layers, Interlayers, and Barrier Layers Comprising Heusler A...
- Publication number 20240032437
- Publication date Jan 25, 2024
- Western Digital Technologies, Inc.
- Quang LE
- G11 - INFORMATION STORAGE
Information Patent Application
Highly Textured 001 BiSb And Materials for Making Same
- Publication number 20240006109
- Publication date Jan 4, 2024
- Western Digital Technologies, Inc.
- Quang LE
- G11 - INFORMATION STORAGE
Information Patent Application
Doped BiSb (012) or Undoped BiSb (001) Topological Insulator with G...
- Publication number 20240005973
- Publication date Jan 4, 2024
- Western Digital Technologies, Inc.
- Quang LE
- G11 - INFORMATION STORAGE
Information Patent Application
Topological Insulator Based Spin Torque Oscillator Reader
- Publication number 20230419990
- Publication date Dec 28, 2023
- Western Digital Technologies, Inc.
- Xiaoyong LIU
- G11 - INFORMATION STORAGE
Information Patent Application
Buffer Layers And Interlayers That Promote BiSbx (012) Alloy Orient...
- Publication number 20230386721
- Publication date Nov 30, 2023
- Western Digital Technologies, Inc.
- Quang LE
- G11 - INFORMATION STORAGE
Information Patent Application
SOT Reader Using BiSb Topological Insulator
- Publication number 20230306993
- Publication date Sep 28, 2023
- Western Digital Technologies, Inc.
- Quang LE
- G11 - INFORMATION STORAGE
Information Patent Application
Longitudinal Sensor Bias Structures and Method of Formation Thereof
- Publication number 20230238179
- Publication date Jul 27, 2023
- Western Digital Technologies, Inc.
- Masaya NISHIOKA
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Tape Head With Side-Shielded Writers And Process For Making Same
- Publication number 20230223043
- Publication date Jul 13, 2023
- Western Digital Technologies, Inc.
- Quang LE
- G11 - INFORMATION STORAGE
Information Patent Application
Doping Process To Refine Grain Size For Smoother BiSb Film Surface
- Publication number 20230197132
- Publication date Jun 22, 2023
- Western Digital Technologies, Inc.
- Quang LE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Two-Dimensional Magnetic Recording (TDMR) to Counter Tape Dimension...
- Publication number 20230186946
- Publication date Jun 15, 2023
- Western Digital Technologies, Inc.
- Quang LE
- G11 - INFORMATION STORAGE
Information Patent Application
BiSbX (012) Layers Having Increased Operating Temperatures For SOT...
- Publication number 20230121375
- Publication date Apr 20, 2023
- Western Digital Technologies, Inc.
- Quang LE
- G11 - INFORMATION STORAGE
Information Patent Application
Longitudinal Sensor Bias Structures and Method of Formation Thereof
- Publication number 20230111296
- Publication date Apr 13, 2023
- Western Digital Technologies, Inc.
- Masaya Nishioka
- G11 - INFORMATION STORAGE
Information Patent Application
Buffer Layers And Interlayers That Promote BiSbx (012) Alloy Orient...
- Publication number 20230047223
- Publication date Feb 16, 2023
- Western Digital Technologies, Inc.
- Quang LE
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD WITH ASSISTED MAGNETIC RECORDING
- Publication number 20230052309
- Publication date Feb 16, 2023
- Western Digital Technologies, Inc.
- Kenji KUROKI
- G11 - INFORMATION STORAGE
Information Patent Application
BiSb Topological Insulator with Seed Layer or Interlayer to Prevent...
- Publication number 20230027086
- Publication date Jan 26, 2023
- Western Digital Technologies, Inc.
- Quang LE
- G11 - INFORMATION STORAGE
Information Patent Application
Read Head Having One Or More Antiferromagnetic Layers Above Soft Bi...
- Publication number 20220415345
- Publication date Dec 29, 2022
- Western Digital Technologies, Inc.
- Quang LE
- G11 - INFORMATION STORAGE
Information Patent Application
BASE CONDUCTING LAYER BENEATH GRAPHITE LAYER OF CERAMIC CATHODE FOR...
- Publication number 20220157571
- Publication date May 19, 2022
- Western Digital Technologies, Inc.
- Cherngye Hwang
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
SOT Film Stack For Differential Reader
- Publication number 20220013138
- Publication date Jan 13, 2022
- Western Digital Technologies, Inc.
- Cherngye HWANG
- G11 - INFORMATION STORAGE
Information Patent Application
Bismuth Antimony Alloys for Use as Topological Insulators
- Publication number 20210408370
- Publication date Dec 30, 2021
- Western Digital Technologies, Inc.
- Brian R. YORK
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BiSb Topological Insulator with Seed Layer or Interlayer to Prevent...
- Publication number 20210336127
- Publication date Oct 28, 2021
- Western Digital Technologies, Inc.
- Quang LE
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
BiSb Topological Insulator with Novel Buffer Layer that Promotes a...
- Publication number 20210249038
- Publication date Aug 12, 2021
- Western Digital Technologies, Inc.
- Quang LE
- G11 - INFORMATION STORAGE
Information Patent Application
BASE CONDUCTING LAYER BENEATH GRAPHITE LAYER OF CERAMIC CATHODE FOR...
- Publication number 20210090862
- Publication date Mar 25, 2021
- Western Digital Technologies, Inc.
- Cherngye Hwang
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
CONTROL HEAD TO HEAD SPACING USING A PIEZOELECTRIC DEVICE
- Publication number 20190333536
- Publication date Oct 31, 2019
- Western Digital Technologies, Inc.
- Trevor OLSON
- G11 - INFORMATION STORAGE
Information Patent Application
SURFACE TREATMENT OF MAGNETIC RECORDING HEADS FOR IMPROVING THE ROB...
- Publication number 20180137881
- Publication date May 17, 2018
- Western Digital Technologies, Inc.
- Kazuhito Miyata
- G11 - INFORMATION STORAGE
Information Patent Application
SURFACE TREATMENT OF MAGNETIC RECORDING HEADS FOR IMPROVING THE ROB...
- Publication number 20180005649
- Publication date Jan 4, 2018
- HGST NETHERLANDS B.V.
- Kazuhito Miyata
- G11 - INFORMATION STORAGE

Cherngye Hwang

Person

Patents Grantslast 30 patents

Doping process to refine grain size for smoother BiSb film surface

Topological insulator based spin torque oscillator reader

Doped BiSb (012) or undoped BiSb (001) topological insulator with G...

Cobalt-boron (CoB) layer for magnetic recording devices, memory dev...

Longitudinal sensor bias structures and method of formation thereof

BiSbX (012) layers having increased operating temperatures for SOT...

SOT reader using BiSb topological insulator

Topological insulator based spin torque oscillator reader

Tape head with side-shielded writers and process for making same

SOT film stack for differential reader

Buffer layers and interlayers that promote BiSbx (012) alloy orient...

Read head having one or more antiferromagnetic layers above soft bi...

BiSb topological insulator with novel buffer layer that promotes a...

Magnetic head with assisted magnetic recording

Two-dimensional magnetic recording (TDMR) to counter tape dimension...

Longitudinal sensor bias structures and method of formation thereof

BiSbX (012) layers having increased operating temperatures for SOT...

Base conducting layer beneath graphite layer of ceramic cathode for...

Soft bias shape anisotropy stabilization read head design and metho...

Soft bias side shield stabilized by hard bias for read head design

Read head having one or more antiferromagnetic layers below soft bi...

Bismuth antimony alloys for use as topological insulators

BiSb topological insulator with seed layer or interlayer to prevent...

Read head having one or more antiferromagnetic layers above soft bi...

Base conducting layer beneath graphite layer of ceramic cathode for...

SOT film stack for differential reader

Control head to head spacing using a piezoelectric device

Magnetic recording disk drive with a contact pad for protection of...

Heat-assisted magnetic recording (HAMR) write head with protective...

System and method for differential etching

Patents Applicationslast 30 patents

SPIN ORBIT TORQUE BASED THERMAL SENSOR FOR INSITU MONITORING OF MAG...

Thermal Sensor insitu monitoring of Magnetic Recording head

TDMR SOT Read Heads Having Recessed Topological Insulator Materials

SOT READER WITH RECESSED SOT TOPOLOGICAL INSULATOR MATERIAL

Cobalt-Boron (CoB) Layer for Magnetic Recording Devices, Memory Dev...

Buffer Layers, Interlayers, and Barrier Layers Comprising Heusler A...

Highly Textured 001 BiSb And Materials for Making Same

Doped BiSb (012) or Undoped BiSb (001) Topological Insulator with G...

Topological Insulator Based Spin Torque Oscillator Reader

Buffer Layers And Interlayers That Promote BiSbx (012) Alloy Orient...

SOT Reader Using BiSb Topological Insulator

Longitudinal Sensor Bias Structures and Method of Formation Thereof

Tape Head With Side-Shielded Writers And Process For Making Same

Doping Process To Refine Grain Size For Smoother BiSb Film Surface

Two-Dimensional Magnetic Recording (TDMR) to Counter Tape Dimension...

BiSbX (012) Layers Having Increased Operating Temperatures For SOT...

Longitudinal Sensor Bias Structures and Method of Formation Thereof

Buffer Layers And Interlayers That Promote BiSbx (012) Alloy Orient...

MAGNETIC HEAD WITH ASSISTED MAGNETIC RECORDING

BiSb Topological Insulator with Seed Layer or Interlayer to Prevent...

Read Head Having One Or More Antiferromagnetic Layers Above Soft Bi...

BASE CONDUCTING LAYER BENEATH GRAPHITE LAYER OF CERAMIC CATHODE FOR...

SOT Film Stack For Differential Reader

Bismuth Antimony Alloys for Use as Topological Insulators

BiSb Topological Insulator with Seed Layer or Interlayer to Prevent...

BiSb Topological Insulator with Novel Buffer Layer that Promotes a...

BASE CONDUCTING LAYER BENEATH GRAPHITE LAYER OF CERAMIC CATHODE FOR...

CONTROL HEAD TO HEAD SPACING USING A PIEZOELECTRIC DEVICE

SURFACE TREATMENT OF MAGNETIC RECORDING HEADS FOR IMPROVING THE ROB...

SURFACE TREATMENT OF MAGNETIC RECORDING HEADS FOR IMPROVING THE ROB...