James Mac FREITAG

Person

Sunnyvale, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetoresistive devices comprising a synthetic antiferromagnetic c...
- Patent number 12,207,563
- Issue date Jan 21, 2025
- Western Digital Technologies, Inc.
- Susumu Okamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Read sensor with ordered heusler alloy free layer and semiconductor...
- Patent number 12,106,784
- Issue date Oct 1, 2024
- Western Digital Technologies, Inc.
- Yuankai Zheng
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording head with a multilayer spin torque element having positiv...
- Patent number 12,094,498
- Issue date Sep 17, 2024
- Western Digital Technologies, Inc.
- Alexander Goncharov
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetoresistive device comprising a synthetic antiferromagnetic co...
- Patent number 12,040,114
- Issue date Jul 16, 2024
- Western Digital Technologies, Inc.
- Susumu Okamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Spintronic devices with self-cooling function
- Patent number 11,925,120
- Issue date Mar 5, 2024
- Western Digital Technologies, Inc.
- Susumu Okamura
- G11 - INFORMATION STORAGE
Information Patent Grant
Spin torque oscillator with enhanced spin polarizer
- Patent number 11,881,236
- Issue date Jan 23, 2024
- Western Digital Technologies, Inc.
- James Mac Freitag
- G11 - INFORMATION STORAGE
Information Patent Grant
Spin torque oscillator with multilayer seed for improved performanc...
- Patent number 11,862,205
- Issue date Jan 2, 2024
- Western Digital Technologies, Inc.
- James Mac Freitag
- G11 - INFORMATION STORAGE
Information Patent Grant
Seed layer for spin torque oscillator in microwave assisted magneti...
- Patent number 11,682,420
- Issue date Jun 20, 2023
- Western Digital Technologies, Inc.
- James Mac Freitag
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Material having both negative spin polarization and negative anisot...
- Patent number 11,683,993
- Issue date Jun 20, 2023
- Western Digital Technologies, Inc.
- Susumu Okamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic recording devices having negative polarization layer to en...
- Patent number 11,657,836
- Issue date May 23, 2023
- Western Digital Technologies, Inc.
- James Mac Freitag
- G11 - INFORMATION STORAGE
Information Patent Grant
Spin-torque oscillator with multilayer seed layer between the write...
- Patent number 11,646,052
- Issue date May 9, 2023
- Western Digital Technologies, Inc.
- James Mac Freitag
- G11 - INFORMATION STORAGE
Information Patent Grant
Spintronic device having negative interface spin scattering
- Patent number 11,289,118
- Issue date Mar 29, 2022
- Western Digital Technologies, Inc.
- Christian Kaiser
- G11 - INFORMATION STORAGE
Information Patent Grant
Methods and apparatus of high moment free layers for magnetic tunne...
- Patent number 11,283,006
- Issue date Mar 22, 2022
- Western Digital Technologies, Inc.
- James Mac Freitag
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording devices having negative polarization layer to en...
- Patent number 11,257,514
- Issue date Feb 22, 2022
- Western Digital Technologies, Inc.
- James Mac Freitag
- G11 - INFORMATION STORAGE
Information Patent Grant
Spin torque oscillator with an antiferromagnetically coupled assist...
- Patent number 11,239,016
- Issue date Feb 1, 2022
- Western Digital Technologies, Inc.
- Yuankai Zheng
- B82 - NANO-TECHNOLOGY
Information Patent Grant
MAMR head with synthetic antiferromagnetic (SAF) coupled notch
- Patent number 11,211,083
- Issue date Dec 28, 2021
- Western Digital Technologies, Inc.
- Yuankai Zheng
- G11 - INFORMATION STORAGE
Information Patent Grant
Spin torque oscillator with an antiferromagnetically coupled assist...
- Patent number 11,171,605
- Issue date Nov 9, 2021
- Western Digital Technologies, Inc.
- Yuankai Zheng
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Seed layer for spin torque oscillator in microwave assisted magneti...
- Patent number 11,127,420
- Issue date Sep 21, 2021
- Western Digital Technologies, Inc.
- James Mac Freitag
- G11 - INFORMATION STORAGE
Information Patent Grant
Spin transfer torque device with oxide layer beneath the seed layer
- Patent number 10,997,992
- Issue date May 4, 2021
- Western Digital Technologies, Inc.
- James Mac Freitag
- G11 - INFORMATION STORAGE
Information Patent Grant
Spin-torque oscillator with multilayer seed layer between the write...
- Patent number 10,997,993
- Issue date May 4, 2021
- Western Digital Technologies, Inc.
- James Mac Freitag
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetoresistive sensor with improved magnetic properties and magne...
- Patent number 10,950,260
- Issue date Mar 16, 2021
- Western Digital Technologies, Inc.
- James Mac Freitag
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Spin torque oscillator having one or more chromium insertion layers...
- Patent number 10,950,258
- Issue date Mar 16, 2021
- Western Digital Technologies, Inc.
- Zheng Gao
- G11 - INFORMATION STORAGE
Information Patent Grant
Spintronic devices with narrow spin polarization layers
- Patent number 10,943,611
- Issue date Mar 9, 2021
- Western Digital Technologies, Inc.
- James Mac Freitag
- G11 - INFORMATION STORAGE
Information Patent Grant
Reversed mode spin torque oscillator with shaped field generation l...
- Patent number 10,872,627
- Issue date Dec 22, 2020
- Western Digital Technologies, Inc.
- Quang Le
- G11 - INFORMATION STORAGE
Information Patent Grant
Spin transfer torque (STT) device with template layer for Heusler a...
- Patent number 10,867,625
- Issue date Dec 15, 2020
- Western Digital Technologies, Inc.
- James Mac Freitag
- G11 - INFORMATION STORAGE
Information Patent Grant
Spin transfer torque device with oxide layer beneath the seed layer
- Patent number 10,839,833
- Issue date Nov 17, 2020
- Western Digital Technologies, Inc.
- James Mac Freitag
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Reversed mode spin torque oscillator with shaped field generation l...
- Patent number 10,762,917
- Issue date Sep 1, 2020
- Western Digital Technologies, Inc.
- Quang Le
- G11 - INFORMATION STORAGE
Information Patent Grant
Spin transfer torque (STT) device with multilayer seed layers for m...
- Patent number 10,734,013
- Issue date Aug 4, 2020
- Western Digital Technologies, Inc.
- Zheng Gao
- G11 - INFORMATION STORAGE
Information Patent Grant
Spin torque oscillator device including a high damping field genera...
- Patent number 10,643,643
- Issue date May 5, 2020
- Western Digital Technologies, Inc.
- Zheng Gao
- G11 - INFORMATION STORAGE
Information Patent Grant
Spin transfer torque (STT) device with template layer for heusler a...
- Patent number 10,566,015
- Issue date Feb 18, 2020
- Western Digital Technologies, Inc.
- James Mac Freitag
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Read Sensor With Ordered Heusler Alloy Free Layer and Semiconductor...
- Publication number 20240194221
- Publication date Jun 13, 2024
- Western Digital Technologies, Inc.
- Yuankai ZHENG
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetoresistive Devices Comprising A Synthetic Antiferromagnetic C...
- Publication number 20240107893
- Publication date Mar 28, 2024
- Western Digital Technologies, Inc.
- Susumu OKAMURA
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetoresistive Device Comprising A Synthetic Antiferromagnetic Co...
- Publication number 20240087785
- Publication date Mar 14, 2024
- Western Digital Technologies, Inc.
- Susumu OKAMURA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Spin Torque Oscillator with Enhanced Spin Polarizer
- Publication number 20230410841
- Publication date Dec 21, 2023
- Western Digital Technologies, Inc.
- James Mac FREITAG
- G11 - INFORMATION STORAGE
Information Patent Application
Spin Torque Oscillator with Multilayer Seed for Improved Performanc...
- Publication number 20230410840
- Publication date Dec 21, 2023
- Western Digital Technologies, Inc.
- James Mac FREITAG
- G11 - INFORMATION STORAGE
Information Patent Application
SPINTRONIC DEVICES WITH SELF-COOLING FUNCTION
- Publication number 20230030248
- Publication date Feb 2, 2023
- Western Digital Technologies, Inc.
- Susumu OKAMURA
- G11 - INFORMATION STORAGE
Information Patent Application
Material Having Both Negative Spin Polarization and Negative Anisot...
- Publication number 20220310900
- Publication date Sep 29, 2022
- Western Digital Technologies, Inc.
- Susumu OKAMURA
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic Recording Devices Having Negative Polarization Layer To En...
- Publication number 20220148619
- Publication date May 12, 2022
- Western Digital Technologies, Inc.
- James Mac FREITAG
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING DEVICES HAVING NEGATIVE POLARIZATION LAYER TO EN...
- Publication number 20210407534
- Publication date Dec 30, 2021
- Western Digital Technologies, Inc.
- James Mac FREITAG
- G11 - INFORMATION STORAGE
Information Patent Application
Seed Layer For Spin Torque Oscillator In Microwave Assisted Magneti...
- Publication number 20210390977
- Publication date Dec 16, 2021
- Western Digital Technologies, Inc.
- James Mac FREITAG
- G11 - INFORMATION STORAGE
Information Patent Application
SPIN TORQUE OSCILLATOR WITH AN ANTIFERROMAGNETICALLY COUPLED ASSIST...
- Publication number 20210375518
- Publication date Dec 2, 2021
- Western Digital Technologies, Inc.
- Yuankai Zheng
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SPIN TORQUE OSCILLATOR WITH AN ANTIFERROMAGNETICALLY COUPLED ASSIST...
- Publication number 20210376793
- Publication date Dec 2, 2021
- Western Digital Technologies, Inc.
- Yuankai Zheng
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Spin-Torque Oscillator With Multilayer Seed Layer Between The Write...
- Publication number 20210233560
- Publication date Jul 29, 2021
- Western Digital Technologies, Inc.
- James Mac FREITAG
- G11 - INFORMATION STORAGE
Information Patent Application
REVERSED MODE SPIN TORQUE OSCILLATOR WITH SHAPED FIELD GENERATION L...
- Publication number 20200372929
- Publication date Nov 26, 2020
- Western Digital Technologies, Inc.
- Quang LE
- G11 - INFORMATION STORAGE
Information Patent Application
SPIN TRANSFER TORQUE DEVICE WITH OXIDE LAYER BENEATH THE SEED LAYER
- Publication number 20200013429
- Publication date Jan 9, 2020
- Western Digital Technologies, Inc.
- James Mac FREITAG
- G11 - INFORMATION STORAGE
Information Patent Application
SPIN TRANSFER TORQUE (STT) DEVICE WITH TEMPLATE LAYER FOR HEUSLER A...
- Publication number 20190279667
- Publication date Sep 12, 2019
- Western Digital Technologies, Inc.
- JAMES MAC FREITAG
- G11 - INFORMATION STORAGE
Information Patent Application
SPIN TRANSFER TORQUE DEVICE WITH OXIDE LAYER BENEATH THE SEED LAYER
- Publication number 20190279666
- Publication date Sep 12, 2019
- Western Digital Technologies, Inc.
- James Mac FREITAG
- G11 - INFORMATION STORAGE
Information Patent Application
SPIN-TORQUE OSCILLATOR WITH MULTILAYER SEED LAYER BETWEEN THE WRITE...
- Publication number 20190279668
- Publication date Sep 12, 2019
- Western Digital Technologies, Inc.
- James Mac FREITAG
- G11 - INFORMATION STORAGE
Information Patent Application
SPIN TRANSFER TORQUE (STT) DEVICE WITH MULTILAYER SEED LAYERS FOR M...
- Publication number 20190259412
- Publication date Aug 22, 2019
- Western Digital Technologies, Inc.
- Zheng GAO
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC TUNNEL JUNCTION (MTJ) FREE LAYER DAMPING REDUCTION
- Publication number 20180294003
- Publication date Oct 11, 2018
- WESTERN DIGITAL TECHNOLOGIES, INC.
- ZHENG GAO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MAGNETIC TUNNEL JUNCTION (MTJ) FREE LAYER DAMPING REDUCTION
- Publication number 20180151193
- Publication date May 31, 2018
- WESTERN DIGITAL TECHNOLOGIES, INC.
- ZHENG GAO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MAGNETIC TUNNEL JUNCTION (MTJ) FREE LAYER DAMPING REDUCTION
- Publication number 20170372730
- Publication date Dec 28, 2017
- WESTERN DIGITAL TECHNOLOGIES, INC.
- ZHENG GAO
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETORESISTIVE DEVICE WITH LAMINATE INSERTION LAYER IN THE FREE L...
- Publication number 20170018703
- Publication date Jan 19, 2017
- HGST NETHERLANDS B.V.
- James FREITAG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
RECESSED IRMN READER SENSOR DESIGN WITH HIGH HK APPLIED TO BOTH REF...
- Publication number 20150248907
- Publication date Sep 3, 2015
- HGST NETHERLANDS B.V.
- James Mac FREITAG
- G11 - INFORMATION STORAGE
Information Patent Application
RECESSED IRMN READER PROCESS
- Publication number 20150206550
- Publication date Jul 23, 2015
- HGST NETHERLANDS B.V.
- James Mac FREITAG
- G11 - INFORMATION STORAGE
Information Patent Application
RECESSED ANTIFERROMAGNETIC DESIGN WITH ANTIPARALLEL PINNED STITCH L...
- Publication number 20150179195
- Publication date Jun 25, 2015
- HGST NETHERLANDS B.V.
- James M. Freitag
- G11 - INFORMATION STORAGE
Information Patent Application
CONTROLLING MAGNETIC LAYER ANISOTROPY FIELD BY OBLIQUE ANGLE STATIC...
- Publication number 20150154986
- Publication date Jun 4, 2015
- HGST NETHERLANDS B.V.
- James M. Freitag
- G11 - INFORMATION STORAGE
Information Patent Application
CAPPING MATERIALS FOR MAGNETIC READ HEAD SENSOR
- Publication number 20150062759
- Publication date Mar 5, 2015
- Chando PARK
- G11 - INFORMATION STORAGE
Information Patent Application
NARROW READ-GAP HEAD WITH RECESSED AFM
- Publication number 20140377589
- Publication date Dec 25, 2014
- HGST NETHERLANDS B.V.
- James Mac FREITAG
- G11 - INFORMATION STORAGE
Information Patent Application
INTERLAYER COUPLED FREE LAYER WITH OUT OF PLANE MAGNETIC ORIENTATIO...
- Publication number 20140355152
- Publication date Dec 4, 2014
- HGST NETHERLANDS B.V.
- Chando Park
- G11 - INFORMATION STORAGE

James Mac FREITAG

Person

Patents Grantslast 30 patents

Magnetoresistive devices comprising a synthetic antiferromagnetic c...

Read sensor with ordered heusler alloy free layer and semiconductor...

Recording head with a multilayer spin torque element having positiv...

Magnetoresistive device comprising a synthetic antiferromagnetic co...

Spintronic devices with self-cooling function

Spin torque oscillator with enhanced spin polarizer

Spin torque oscillator with multilayer seed for improved performanc...

Seed layer for spin torque oscillator in microwave assisted magneti...

Material having both negative spin polarization and negative anisot...

Magnetic recording devices having negative polarization layer to en...

Spin-torque oscillator with multilayer seed layer between the write...

Spintronic device having negative interface spin scattering

Methods and apparatus of high moment free layers for magnetic tunne...

Magnetic recording devices having negative polarization layer to en...

Spin torque oscillator with an antiferromagnetically coupled assist...

MAMR head with synthetic antiferromagnetic (SAF) coupled notch

Spin torque oscillator with an antiferromagnetically coupled assist...

Seed layer for spin torque oscillator in microwave assisted magneti...

Spin transfer torque device with oxide layer beneath the seed layer

Spin-torque oscillator with multilayer seed layer between the write...

Magnetoresistive sensor with improved magnetic properties and magne...

Spin torque oscillator having one or more chromium insertion layers...

Spintronic devices with narrow spin polarization layers

Reversed mode spin torque oscillator with shaped field generation l...

Spin transfer torque (STT) device with template layer for Heusler a...

Spin transfer torque device with oxide layer beneath the seed layer

Reversed mode spin torque oscillator with shaped field generation l...

Spin transfer torque (STT) device with multilayer seed layers for m...

Spin torque oscillator device including a high damping field genera...

Spin transfer torque (STT) device with template layer for heusler a...

Patents Applicationslast 30 patents

Read Sensor With Ordered Heusler Alloy Free Layer and Semiconductor...

Magnetoresistive Devices Comprising A Synthetic Antiferromagnetic C...

Magnetoresistive Device Comprising A Synthetic Antiferromagnetic Co...

Spin Torque Oscillator with Enhanced Spin Polarizer

Spin Torque Oscillator with Multilayer Seed for Improved Performanc...

SPINTRONIC DEVICES WITH SELF-COOLING FUNCTION

Material Having Both Negative Spin Polarization and Negative Anisot...

Magnetic Recording Devices Having Negative Polarization Layer To En...

MAGNETIC RECORDING DEVICES HAVING NEGATIVE POLARIZATION LAYER TO EN...

Seed Layer For Spin Torque Oscillator In Microwave Assisted Magneti...

SPIN TORQUE OSCILLATOR WITH AN ANTIFERROMAGNETICALLY COUPLED ASSIST...

SPIN TORQUE OSCILLATOR WITH AN ANTIFERROMAGNETICALLY COUPLED ASSIST...

Spin-Torque Oscillator With Multilayer Seed Layer Between The Write...

REVERSED MODE SPIN TORQUE OSCILLATOR WITH SHAPED FIELD GENERATION L...

SPIN TRANSFER TORQUE DEVICE WITH OXIDE LAYER BENEATH THE SEED LAYER

SPIN TRANSFER TORQUE (STT) DEVICE WITH TEMPLATE LAYER FOR HEUSLER A...

SPIN TRANSFER TORQUE DEVICE WITH OXIDE LAYER BENEATH THE SEED LAYER

SPIN-TORQUE OSCILLATOR WITH MULTILAYER SEED LAYER BETWEEN THE WRITE...

SPIN TRANSFER TORQUE (STT) DEVICE WITH MULTILAYER SEED LAYERS FOR M...

MAGNETIC TUNNEL JUNCTION (MTJ) FREE LAYER DAMPING REDUCTION

MAGNETIC TUNNEL JUNCTION (MTJ) FREE LAYER DAMPING REDUCTION

MAGNETIC TUNNEL JUNCTION (MTJ) FREE LAYER DAMPING REDUCTION

MAGNETORESISTIVE DEVICE WITH LAMINATE INSERTION LAYER IN THE FREE L...

RECESSED IRMN READER SENSOR DESIGN WITH HIGH HK APPLIED TO BOTH REF...

RECESSED IRMN READER PROCESS

RECESSED ANTIFERROMAGNETIC DESIGN WITH ANTIPARALLEL PINNED STITCH L...

CONTROLLING MAGNETIC LAYER ANISOTROPY FIELD BY OBLIQUE ANGLE STATIC...

CAPPING MATERIALS FOR MAGNETIC READ HEAD SENSOR

NARROW READ-GAP HEAD WITH RECESSED AFM

INTERLAYER COUPLED FREE LAYER WITH OUT OF PLANE MAGNETIC ORIENTATIO...