for reducing flux leakage between the electrical coil layers and the magnetic cores or poles or between the magnetic cores or poles

Industry

CPC
G11B5/312

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Parent Industries

GPHYSICS G11Information storage G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER G11B5/00Recording by magnetisation or demagnetisation of a record carrier Reproducing by magnetic means Record carriers therefor

Current Industry

G11B5/312for reducing flux leakage between the electrical coil layers and the magnetic cores or poles or between the magnetic cores or poles

Industries

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Patents Grantslast 30 patents

Information Patent Grant
HDD head having same gap verify and system for using same
- Patent number 12,148,447
- Issue date Nov 19, 2024
- Western Digital Technologies, Inc.
- Robert G Biskeborn
- 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
Magnetic recording head with an SOT device coupled with side shield
- Patent number 12,057,146
- Issue date Aug 6, 2024
- Western Digital Technologies, Inc.
- Shengjie Shi
- G11 - INFORMATION STORAGE
Information Patent Grant
Writer with narrower high moment trailing shield
- Patent number 11,355,141
- Issue date Jun 7, 2022
- Headway Technologies, Inc.
- Yuhui Tang
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device and write processing method
- Patent number 11,189,305
- Issue date Nov 30, 2021
- Kabushiki Kaisha Toshiba
- Yusuke Tomoda
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording devices and methods using a write-field-enhancem...
- Patent number 10,957,346
- Issue date Mar 23, 2021
- Western Digital Technologies, Inc.
- Gonçalo Marcos Baião De Albuquerque
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device and write processing method
- Patent number 10,957,345
- Issue date Mar 23, 2021
- Kabushiki Kaisha Toshiba
- Yusuke Tomoda
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head including a return path section
- Patent number 10,872,624
- Issue date Dec 22, 2020
- Headway Technologies, Inc.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Writer with narrower high moment trailing shield
- Patent number 10,861,486
- Issue date Dec 8, 2020
- Headway Technologies, Inc.
- Yuhui Tang
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head with a main pole including first and second layers an...
- Patent number 10,839,829
- Issue date Nov 17, 2020
- Headway Technologies, Inc.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Shape designs of magnetic flux guiding devices all around the main...
- Patent number 10,832,707
- Issue date Nov 10, 2020
- Headway Technologies, Inc.
- Wenyu Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording head and magnetic recording and reproducing devi...
- Patent number 10,741,203
- Issue date Aug 11, 2020
- Kabushiki Kaisha Toshiba
- Yusuke Tomoda
- G11 - INFORMATION STORAGE
Information Patent Grant
Shape designs of magnetic flux guiding devices all around the main...
- Patent number 10,714,127
- Issue date Jul 14, 2020
- Headway Technologies, Inc.
- Wenyu Chen
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording head and magnetic recording and reproducing devi...
- Patent number 10,614,839
- Issue date Apr 7, 2020
- Kabushiki Kaisha Toshiba
- Yusuke Tomoda
- G11 - INFORMATION STORAGE
Information Patent Grant
Dual perpendicular magnetic recording (PMR) writer base structures...
- Patent number 10,418,054
- Issue date Sep 17, 2019
- Headway Technologies, Inc.
- Yue Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Write coil cooling arrangement at air bearing surface
- Patent number 10,410,659
- Issue date Sep 10, 2019
- Seagate Technology LLC
- Gary Joseph Kunkel
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording apparatus
- Patent number 10,360,931
- Issue date Jul 23, 2019
- Kabushiki Kaisha Toshiba
- Masaya Ohtake
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic core and coil design for double perpendicular magnetic rec...
- Patent number 10,311,900
- Issue date Jun 4, 2019
- Headway Technologies, Inc.
- Kowang Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Write coil cooling arrangement at air bearing surface
- Patent number 10,249,328
- Issue date Apr 2, 2019
- Seagate Technology LLC
- Gary Joseph Kunkel
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head and magnetic recording and reproducing device
- Patent number 10,186,284
- Issue date Jan 22, 2019
- Kabushiki Kaisha Toshiba
- Naoyuki Narita
- G11 - INFORMATION STORAGE
Information Patent Grant
Selective data writer coil
- Patent number 10,134,428
- Issue date Nov 20, 2018
- Seagate Technology LLC
- Kirill A. Rivkin
- G11 - INFORMATION STORAGE
Information Patent Grant
High damping materials in shields and/or write pole
- Patent number 10,102,871
- Issue date Oct 16, 2018
- Seagate Technology LLC
- Swaraj Basu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic writer coil incorporating integral cooling fins
- Patent number 10,074,386
- Issue date Sep 11, 2018
- Seagate Technology LLC
- James Gary Wessel
- G11 - INFORMATION STORAGE
Information Patent Grant
Changing write coil current in response to reader instability
- Patent number 9,978,403
- Issue date May 22, 2018
- Seagate Technology LLC
- Wenzhong Zhu
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of making a write head core
- Patent number 9,922,669
- Issue date Mar 20, 2018
- Seagate Technology LLC
- Kirill Rivkin
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head for perpendicular magnetic recording with a coil incl...
- Patent number 9,824,702
- Issue date Nov 21, 2017
- Headway Technologies, Inc.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Selective data writer coil
- Patent number 9,805,742
- Issue date Oct 31, 2017
- Seagate Technology LLC
- Kirill A. Rivkin
- G11 - INFORMATION STORAGE
Information Patent Grant
Short yoke length writer having assist coils
- Patent number 9,799,351
- Issue date Oct 24, 2017
- Western Digital (Fremont), LLC
- Feng Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head for perpendicular magnetic recording including a coil...
- Patent number 9,792,929
- Issue date Oct 17, 2017
- Headway Technologies, Inc.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing a thin-film magnetic head including a coil...
- Patent number 9,777,387
- Issue date Oct 3, 2017
- Headway Technologies, Inc.
- Yukinori Ikegawa
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR

Patents Applicationslast 30 patents

Information Patent Application
HDD Head Having Same Gap Verify And System For Using Same
- Publication number 20240379125
- Publication date Nov 14, 2024
- Western Digital Technologies, Inc.
- Robert G. BISKEBORN
- G11 - INFORMATION STORAGE
Information Patent Application
DATA STORAGE DEVICE HAVING DUAL ACTUATORS AND METHOD FOR DATA EGRES...
- Publication number 20230326484
- Publication date Oct 12, 2023
- Western Digital Technologies, Inc.
- Brian Johnson
- G11 - INFORMATION STORAGE
Information Patent Application
Hold-Up Capacitance Health Measurement With Current Leakage Detection
- Publication number 20220122631
- Publication date Apr 21, 2022
- Western Digital Technologies, Inc.
- Richard S. Lucky
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MAGNETIC DISK DEVICE AND WRITE PROCESSING METHOD
- Publication number 20210166725
- Publication date Jun 3, 2021
- Kabushiki Kaisha Toshiba
- Yusuke Tomoda
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING DEVICES AND METHODS USING A WRITE-FIELD-ENHANCEM...
- Publication number 20200349967
- Publication date Nov 5, 2020
- Western Digital Technologies, Inc.
- Gonçalo Marcos Baião DE ALBUQUERQUE
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK DEVICE AND WRITE PROCESSING METHOD
- Publication number 20200279577
- Publication date Sep 3, 2020
- Kabushiki Kaisha Toshiba
- Yusuke Tomoda
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING HEAD AND MAGNETIC RECORDING AND REPRODUCING DEVI...
- Publication number 20200219533
- Publication date Jul 9, 2020
- Kabushiki Kaisha Toshiba
- Yusuke Tomoda
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING HEAD AND MAGNETIC RECORDING AND REPRODUCING DEVI...
- Publication number 20200005816
- Publication date Jan 2, 2020
- Kabushiki Kaisha Toshiba
- Yusuke Tomoda
- G11 - INFORMATION STORAGE
Information Patent Application
Dual Perpendicular Magnetic Recording (PMR) Writer Base Structures...
- Publication number 20190279664
- Publication date Sep 12, 2019
- HEADWAY TECHNOLOGIES, INC.
- Yue Liu
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING APPARATUS
- Publication number 20190189149
- Publication date Jun 20, 2019
- Kabushiki Kaisha Toshiba
- Masaya OHTAKE
- G11 - INFORMATION STORAGE
Information Patent Application
WRITE COIL COOLING ARRANGEMENT AT AIR BEARING SURFACE
- Publication number 20190172482
- Publication date Jun 6, 2019
- SEAGATE TECHNOLOGY LLC
- Gary Joseph Kunkel
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD AND DISK DEVICE HAVING THE SAME
- Publication number 20190066717
- Publication date Feb 28, 2019
- Kabushiki Kaisha Toshiba
- Masaya Ohtake
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD AND MAGNETIC RECORDING AND REPRODUCING DEVICE
- Publication number 20180261241
- Publication date Sep 13, 2018
- Kabushiki Kaisha Toshiba
- Naoyuki NARITA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD AND MAGNETIC RECORDING AND REPRODUCING DEVICE
- Publication number 20180204589
- Publication date Jul 19, 2018
- Kabushiki Kaisha Toshiba
- Hirofumi SUTO
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD FOR PERPENDICULAR MAGNETIC RECORDING WITH A COIL INCL...
- Publication number 20170270953
- Publication date Sep 21, 2017
- HEADWAY TECHNOLOGIES, INC.
- Yoshitaka SASAKI
- G11 - INFORMATION STORAGE
Information Patent Application
Resist Reactive Ion Etch (RIE) Process for Plating
- Publication number 20170011756
- Publication date Jan 12, 2017
- HEADWAY TECHNOLOGIES, INC.
- Hironori Araki
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING HEAD, MAGNETIC HEAD ASSEMBLY, MAGNETIC RECORDING...
- Publication number 20150310880
- Publication date Oct 29, 2015
- Kabushiki Kaisha Toshiba
- Kenichiro Yamada
- G11 - INFORMATION STORAGE
Information Patent Application
MICROWAVE-ASSISTED MAGNETIC HEAD, HEAD GIMBAL ASSEMBLY, AND MAGNETI...
- Publication number 20140340782
- Publication date Nov 20, 2014
- TDK Corporation
- Eriko AJIOKA
- G11 - INFORMATION STORAGE
Information Patent Application
RECORDING HEAD WITH DUAL COIL/DUAL SHIELD ARRANGEMENT AND HIGH FREQ...
- Publication number 20140334030
- Publication date Nov 13, 2014
- Tomoko TAGUCHI
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC WRITE HEAD HAVING A STACKED COIL ARCHITECTURE FOR HIGH DAT...
- Publication number 20140313614
- Publication date Oct 23, 2014
- HGST NETHERLANDS B.V.
- Wen-Chien David Hsiao
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic Write Head Having A Coil Adjacent To The Main Pole
- Publication number 20140313613
- Publication date Oct 23, 2014
- HGST NETHERLANDS B.V.
- Edward Hin Pong Lee
- G11 - INFORMATION STORAGE
Information Patent Application
WRITE HEAD CORE
- Publication number 20140269234
- Publication date Sep 18, 2014
- SEAGATE TECHNOLOGY LLC
- Kirill Rivkin
- G11 - INFORMATION STORAGE
Information Patent Application
RECORDING HEAD COIL STRUCTURE
- Publication number 20140268416
- Publication date Sep 18, 2014
- SEAGATE TECHNOLOGY LLC
- Eric Roger Meloche
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING HEAD, MAGNETIC HEAD ASSEMBLY, MAGNETIC RECORDING...
- Publication number 20140198410
- Publication date Jul 17, 2014
- Kabushiki Kaisha Toshiba
- Kenichiro Yamada
- G11 - INFORMATION STORAGE
Information Patent Application
INDEPENDENTLY DRIVEN WRITE COILS
- Publication number 20140177083
- Publication date Jun 26, 2014
- SEAGATE TECHNOLOGY LLC
- Kevin Richard Heim
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD FOR PERPENDICULAR RECORDING HAVING A PLURALITY OF MAG...
- Publication number 20140177099
- Publication date Jun 26, 2014
- Yoshitaka SASAKI
- G11 - INFORMATION STORAGE
Information Patent Application
WRITE POLE DESIGN
- Publication number 20140119163
- Publication date May 1, 2014
- SEAGATE TECHNOLOGY LLC
- Kirill Aleksandrovich Rivkin
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING HEAD, AND DISK DRIVE COMPRISING THE SAME
- Publication number 20140002924
- Publication date Jan 2, 2014
- Kabushiki Kaisha Toshiba
- Kenichiro YAMADA
- G11 - INFORMATION STORAGE
Information Patent Application
WRITE HEAD STRUCTURE DESIGNED FOR TEMPERATURE INSENSITIVE WRITING P...
- Publication number 20140002927
- Publication date Jan 2, 2014
- Hitachi Global Storage Technologies Netherlands B.V.
- Wen-Chien D. Hsiao
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD FOR PERPENDICULAR MAGNETIC RECORDING HAVING A RETURN...
- Publication number 20130329319
- Publication date Dec 12, 2013
- HEADWAY TECHNOLOGIES, INC.
- Yoshitaka SASAKI
- G11 - INFORMATION STORAGE

for reducing flux leakage between the electrical coil layers and the magnetic cores or poles or between the magnetic cores or poles

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

HDD head having same gap verify and system for using same

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

Magnetic recording head with an SOT device coupled with side shield

Writer with narrower high moment trailing shield

Magnetic disk device and write processing method

Magnetic recording devices and methods using a write-field-enhancem...

Magnetic disk device and write processing method

Magnetic head including a return path section

Writer with narrower high moment trailing shield

Magnetic head with a main pole including first and second layers an...

Shape designs of magnetic flux guiding devices all around the main...

Magnetic recording head and magnetic recording and reproducing devi...

Shape designs of magnetic flux guiding devices all around the main...

Magnetic recording head and magnetic recording and reproducing devi...

Dual perpendicular magnetic recording (PMR) writer base structures...

Write coil cooling arrangement at air bearing surface

Magnetic recording apparatus

Magnetic core and coil design for double perpendicular magnetic rec...

Write coil cooling arrangement at air bearing surface

Magnetic head and magnetic recording and reproducing device

Selective data writer coil

High damping materials in shields and/or write pole

Magnetic writer coil incorporating integral cooling fins

Changing write coil current in response to reader instability

Method of making a write head core

Magnetic head for perpendicular magnetic recording with a coil incl...

Selective data writer coil

Short yoke length writer having assist coils

Magnetic head for perpendicular magnetic recording including a coil...

Method of manufacturing a thin-film magnetic head including a coil...

Patents Applicationslast 30 patents

HDD Head Having Same Gap Verify And System For Using Same

DATA STORAGE DEVICE HAVING DUAL ACTUATORS AND METHOD FOR DATA EGRES...

Hold-Up Capacitance Health Measurement With Current Leakage Detection

MAGNETIC DISK DEVICE AND WRITE PROCESSING METHOD

MAGNETIC RECORDING DEVICES AND METHODS USING A WRITE-FIELD-ENHANCEM...

MAGNETIC DISK DEVICE AND WRITE PROCESSING METHOD

MAGNETIC RECORDING HEAD AND MAGNETIC RECORDING AND REPRODUCING DEVI...

MAGNETIC RECORDING HEAD AND MAGNETIC RECORDING AND REPRODUCING DEVI...

Dual Perpendicular Magnetic Recording (PMR) Writer Base Structures...

MAGNETIC RECORDING APPARATUS

WRITE COIL COOLING ARRANGEMENT AT AIR BEARING SURFACE

MAGNETIC HEAD AND DISK DEVICE HAVING THE SAME

MAGNETIC HEAD AND MAGNETIC RECORDING AND REPRODUCING DEVICE

MAGNETIC HEAD AND MAGNETIC RECORDING AND REPRODUCING DEVICE

MAGNETIC HEAD FOR PERPENDICULAR MAGNETIC RECORDING WITH A COIL INCL...

Resist Reactive Ion Etch (RIE) Process for Plating

MAGNETIC RECORDING HEAD, MAGNETIC HEAD ASSEMBLY, MAGNETIC RECORDING...

MICROWAVE-ASSISTED MAGNETIC HEAD, HEAD GIMBAL ASSEMBLY, AND MAGNETI...

RECORDING HEAD WITH DUAL COIL/DUAL SHIELD ARRANGEMENT AND HIGH FREQ...

MAGNETIC WRITE HEAD HAVING A STACKED COIL ARCHITECTURE FOR HIGH DAT...

Magnetic Write Head Having A Coil Adjacent To The Main Pole

WRITE HEAD CORE

RECORDING HEAD COIL STRUCTURE

MAGNETIC RECORDING HEAD, MAGNETIC HEAD ASSEMBLY, MAGNETIC RECORDING...

INDEPENDENTLY DRIVEN WRITE COILS

MAGNETIC HEAD FOR PERPENDICULAR RECORDING HAVING A PLURALITY OF MAG...

WRITE POLE DESIGN

MAGNETIC RECORDING HEAD, AND DISK DRIVE COMPRISING THE SAME

WRITE HEAD STRUCTURE DESIGNED FOR TEMPERATURE INSENSITIVE WRITING P...

MAGNETIC HEAD FOR PERPENDICULAR MAGNETIC RECORDING HAVING A RETURN...