Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium Pole pieces Gap features

Industry

CPC
G11B5/187

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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

G11B5/187Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium Pole pieces Gap features

Industries

Patents Grantslast 30 patents

Information Patent Grant
Magnetic disk device and method
- Patent number 11,955,146
- Issue date Apr 9, 2024
- Kabushiki Kaisha Toshiba
- Naoki Tagami
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic write head with flux blockade structure
- Patent number 11,948,608
- Issue date Apr 2, 2024
- International Business Machines Corporation
- Hugo E. Rothuizen
- G11 - INFORMATION STORAGE
Information Patent Grant
Electrodeposition of high damping magnetic alloys
- Patent number 11,913,130
- Issue date Feb 27, 2024
- Seagate Technology LLC
- Jie Gong
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Heat-assisted magnetic recording (HAMR) head with main pole having...
- Patent number 11,881,231
- Issue date Jan 23, 2024
- Western Digital Technologies, Inc.
- Takuya Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Leading shield for magnetic recording heads
- Patent number 11,881,235
- Issue date Jan 23, 2024
- Western Digital Technologies, Inc.
- Alexander Goncharov
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head and magnetic recording/reproducing device
- Patent number 11,817,135
- Issue date Nov 14, 2023
- Kabushiki Kaisha Toshiba
- Gaku Koizumi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording head with stable magnetization of shields
- Patent number 11,676,627
- Issue date Jun 13, 2023
- Western Digital Technologies, Inc.
- Quan-Chiu Harry Lam
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head with assisted magnetic recording comprising an electr...
- Patent number 11,657,835
- Issue date May 23, 2023
- Western Digital Technologies, Inc.
- Zhigang Bai
- G11 - INFORMATION STORAGE
Information Patent Grant
Two layer leading shield design with non-conformal shapes for magne...
- Patent number 11,651,783
- Issue date May 16, 2023
- Western Digital Technologies, Inc.
- Alexander Goncharov
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording writer with improved main pole shape
- Patent number 11,636,873
- Issue date Apr 25, 2023
- Headway Technologies, Inc.
- Ying Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic storage writer with non-uniform coil thickness
- Patent number 11,631,425
- Issue date Apr 18, 2023
- Seagate Technology LLC
- James Wessel
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head and method for manufacturing the same, and magnetic r...
- Patent number 11,626,131
- Issue date Apr 11, 2023
- Kabushiki Kaisha Toshiba
- Kan Takahashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head with assisted magnetic recording
- Patent number 11,615,806
- Issue date Mar 28, 2023
- Western Digital Technologies, Inc.
- Zhigang Bai
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head and magnetic recording device
- Patent number 11,615,808
- Issue date Mar 28, 2023
- Kabushiki Kaisha Toshiba
- Yuji Nakagawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical power sensor for a heat-assisted magnetic recording slider
- Patent number 11,574,648
- Issue date Feb 7, 2023
- Seagate Technology LLC
- Chubing Peng
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device having first and second assist elements and wr...
- Patent number 11,568,892
- Issue date Jan 31, 2023
- Kabushiki Kaisha Toshiba
- Hiroyuki Suzuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording device and magnetic recording method utilizing a...
- Patent number 11,568,890
- Issue date Jan 31, 2023
- Kabushiki Kaisha Toshiba
- Hirofumi Suto
- G11 - INFORMATION STORAGE
Information Patent Grant
Heatsink structures for heat-assisted magnetic recording heads
- Patent number 11,538,496
- Issue date Dec 27, 2022
- Seagate Technology LLC
- Helene Parwana Habibi
- G11 - INFORMATION STORAGE
Information Patent Grant
Heat-assisted magnetic recording (HAMR) head with main pole having...
- Patent number 11,532,329
- Issue date Dec 20, 2022
- Western Digital Technologies, Inc.
- Takuya Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Dual writer for advanced magnetic recording
- Patent number 11,430,469
- Issue date Aug 30, 2022
- Western Digital Technologies, Inc.
- Thao A. Nguyen
- G11 - INFORMATION STORAGE
Information Patent Grant
Write assist stack to reduce resistance and improve reliability
- Patent number 11,417,356
- Issue date Aug 16, 2022
- Western Digital Technologies, Inc.
- Muhammad Asif Bashir
- G11 - INFORMATION STORAGE
Information Patent Grant
Restriction of suspension dimple contact point
- Patent number 11,393,497
- Issue date Jul 19, 2022
- Western Digital Technologies, Inc.
- Yoshinobu Noguchi
- G11 - INFORMATION STORAGE
Information Patent Grant
Electrodeposition of high damping magnetic alloys
- Patent number 11,377,749
- Issue date Jul 5, 2022
- Seagate Technology LLC
- Jie Gong
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Magnetic head with assisted magnetic recording
- Patent number 11,373,675
- Issue date Jun 28, 2022
- Western Digital Technologies, Inc.
- Zhigang Bai
- G11 - INFORMATION STORAGE
Information Patent Grant
Write transducer with recessed portion to improve track shingling p...
- Patent number 11,373,676
- Issue date Jun 28, 2022
- International Business Machines Corporation
- Robert Fontana
- G11 - INFORMATION STORAGE
Information Patent Grant
Split band multichannel magnetic recording head having scaled reade...
- Patent number 11,302,348
- Issue date Apr 12, 2022
- International Business Machines Corporation
- Robert Biskeborn
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording medium, magnetic recording and reproducing appar...
- Patent number 11,264,054
- Issue date Mar 1, 2022
- FUJIFILM Corporation
- Norihito Kasada
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk device
- Patent number 11,257,515
- Issue date Feb 22, 2022
- Kabushiki Kaisha Toshiba
- Yuki Sato
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording head with writer HMS less than reader HMS
- Patent number 11,222,655
- Issue date Jan 11, 2022
- Seagate Technology LLC
- Lihong Zhang
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head including spin torque oscillator
- Patent number 11,211,082
- Issue date Dec 28, 2021
- Headway Technologies, Inc.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
A MAGNETIC RECORDING SYSTEM FOR RECORDING DATA ON A MAGNETIC MEDIA
- Publication number 20240135963
- Publication date Apr 25, 2024
- International Business Machines Corporation
- Hugo E. Rothuizen
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK DEVICE AND METHOD
- Publication number 20240046958
- Publication date Feb 8, 2024
- Kabushiki Kaisha Toshiba
- Naoki Tagami
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Dual-Spin Torque Oscillator Designs in Microwave Assisted Magnetic...
- Publication number 20240029759
- Publication date Jan 25, 2024
- HEADWAY TECHNOLOGIES, INC.
- Wenyu Chen
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD AND MAGNETIC DISK DEVICE COMPRISING THE SAME
- Publication number 20230377603
- Publication date Nov 23, 2023
- Kabushiki Kaisha Toshiba
- Kazuhiro Furutani
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING HEAD WITH STABLE MAGNETIZATION OF SHIELDS
- Publication number 20230274761
- Publication date Aug 31, 2023
- Western Digital Technologies, Inc.
- Quan-Chiu Harry LAM
- G11 - INFORMATION STORAGE
Information Patent Application
HEAT-ASSISTED MAGNETIC RECORDING (HAMR) HEAD WITH MAIN POLE HAVING...
- Publication number 20230245681
- Publication date Aug 3, 2023
- Western Digital Technologies, Inc.
- Takuya MATSUMOTO
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD AND MAGNETIC RECORDING/REPRODUCING DEVICE
- Publication number 20230245678
- Publication date Aug 3, 2023
- Kabushiki Kaisha Toshiba
- Gaku Koizumi
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC WRITE HEAD WITH FLUX BLOCKADE STRUCTURE
- Publication number 20230154488
- Publication date May 18, 2023
- International Business Machines Corporation
- Hugo E. Rothuizen
- G11 - INFORMATION STORAGE
Information Patent Application
HEATSINK STRUCTURES FOR HEAT-ASSISTED MAGNETIC RECORDING HEADS
- Publication number 20230110250
- Publication date Apr 13, 2023
- SEAGATE TECHNOLOGY LLC
- Helene Parwana Habibi
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD AND MAGNETIC RECORDING DEVICE
- Publication number 20220270640
- Publication date Aug 25, 2022
- Kabushiki Kaisha Toshiba
- Yuji NAKAGAWA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD WITH ASSISTED MAGNETIC RECORDING AND METHOD OF MAKING...
- Publication number 20220238135
- Publication date Jul 28, 2022
- Western Digital Technologies, Inc.
- Zhigang BAI
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD WITH ASSISTED MAGNETIC RECORDING AND METHOD OF MAKING...
- Publication number 20220208220
- Publication date Jun 30, 2022
- Western Digital Technologies, Inc.
- Zhigang BAI
- G11 - INFORMATION STORAGE
Information Patent Application
RESTRICTION OF SUSPENSION DIMPLE CONTACT POINT
- Publication number 20220139421
- Publication date May 5, 2022
- Western Digital Technologies, Inc.
- Yoshinobu Noguchi
- G11 - INFORMATION STORAGE
Information Patent Application
DISK DEVICE
- Publication number 20220084546
- Publication date Mar 17, 2022
- Kabushiki Kaisha Toshiba
- Yuki Sato
- G11 - INFORMATION STORAGE
Information Patent Application
Dual Writer For Advanced Magnetic Recording
- Publication number 20210390976
- Publication date Dec 16, 2021
- Western Digital Technologies, Inc.
- Thao A. NGUYEN
- G11 - INFORMATION STORAGE
Information Patent Application
HEATSINK STRUCTURES FOR HEAT-ASSISTED MAGNETIC RECORDING HEADS
- Publication number 20210366515
- Publication date Nov 25, 2021
- SEAGATE TECHNOLOGY LLC
- Helene Parwana Habibi
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK DEVICE HAVING FIRST AND SECOND ASSIST ELEMENTS AND WR...
- Publication number 20210366517
- Publication date Nov 25, 2021
- Kabushiki Kaisha Toshiba
- Hiroyuki SUZUKI
- G11 - INFORMATION STORAGE
Information Patent Application
SPLIT BAND MULTICHANNEL MAGNETIC RECORDING HEAD HAVING SCALED READE...
- Publication number 20210366519
- Publication date Nov 25, 2021
- International Business Machines Corporation
- Robert Biskeborn
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM, MAGNETIC RECORDING AND REPRODUCING APPAR...
- Publication number 20210233565
- Publication date Jul 29, 2021
- FUJIFILM CORPORATION
- Norihito KASADA
- G11 - INFORMATION STORAGE
Information Patent Application
DUAL WRITER FOR ADVANCED MAGNETIC RECORDING
- Publication number 20210158839
- Publication date May 27, 2021
- Western Digital Technologies, Inc.
- Thao A. NGUYEN
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK DEVICE AND WRITE OPERATION METHOD
- Publication number 20210090605
- Publication date Mar 25, 2021
- Kabushiki Kaisha Toshiba
- Hiroyuki SUZUKI
- G11 - INFORMATION STORAGE
Information Patent Application
Alternative Designs for Magnetic Recording Assisted by a Single Spi...
- Publication number 20210074325
- Publication date Mar 11, 2021
- HEADWAY TECHNOLOGIES, INC.
- Wenyu Chen
- G11 - INFORMATION STORAGE
Information Patent Application
WRITE HEADS CONFIGURED TO REDIRECT CURRENT
- Publication number 20200381011
- Publication date Dec 3, 2020
- Western Digital Technologies, Inc.
- Muhammad ASIF BASHIR
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD WITH ASSISTED MAGNETIC RECORDING AND METHOD OF MAKING...
- Publication number 20200381012
- Publication date Dec 3, 2020
- SANDISK TECHNOLOGIES LLC
- Venkatesh CHEMBROLU
- G11 - INFORMATION STORAGE
Information Patent Application
ELECTROSTRICTIVE CONTROL FOR THE WIDTH OF A TAPE-HEAD-ARRAY
- Publication number 20200381014
- Publication date Dec 3, 2020
- Western Digital Technologies, Inc.
- David J. SEAGLE
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD AND MAGNETIC RECORDING AND REPRODUCING DEVICE
- Publication number 20200327901
- Publication date Oct 15, 2020
- Kabushiki Kaisha Toshiba
- Naoyuki NARITA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC WRITE HEAD WITH DUAL RETURN POLE AND TAPERED MAIN POLE
- Publication number 20200294536
- Publication date Sep 17, 2020
- Western Digital Technologies, Inc.
- Muhammad Asif BASHIR
- G11 - INFORMATION STORAGE
Information Patent Application
READ HEAD INCLUDING SEMICONDUCTOR SPACER AND LONG SPIN DIFFUSION LE...
- Publication number 20200286508
- Publication date Sep 10, 2020
- SANDISK TECHNOLOGIES LLC
- Yuankai ZHENG
- G11 - INFORMATION STORAGE
Information Patent Application
ELECTROSTRICTIVE CONTROL FOR THE WIDTH OF A TAPE-HEAD-ARRAY
- Publication number 20200227078
- Publication date Jul 16, 2020
- Western Digital Technologies, Inc.
- David J. SEAGLE
- G11 - INFORMATION STORAGE
Information Patent Application
MULTI-CHANNEL MAGNETIC RECORDING HEAD HAVING COMPLIANTLY ENCAPSULAT...
- Publication number 20200219535
- Publication date Jul 9, 2020
- International Business Machines Corporation
- Robert G. Biskeborn
- G11 - INFORMATION STORAGE

Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium Pole pieces Gap features

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Magnetic disk device and method

Magnetic write head with flux blockade structure

Electrodeposition of high damping magnetic alloys

Heat-assisted magnetic recording (HAMR) head with main pole having...

Leading shield for magnetic recording heads

Magnetic head and magnetic recording/reproducing device

Magnetic recording head with stable magnetization of shields

Magnetic head with assisted magnetic recording comprising an electr...

Two layer leading shield design with non-conformal shapes for magne...

Magnetic recording writer with improved main pole shape

Magnetic storage writer with non-uniform coil thickness

Magnetic head and method for manufacturing the same, and magnetic r...

Magnetic head with assisted magnetic recording

Magnetic head and magnetic recording device

Optical power sensor for a heat-assisted magnetic recording slider

Magnetic disk device having first and second assist elements and wr...

Magnetic recording device and magnetic recording method utilizing a...

Heatsink structures for heat-assisted magnetic recording heads

Heat-assisted magnetic recording (HAMR) head with main pole having...

Dual writer for advanced magnetic recording

Write assist stack to reduce resistance and improve reliability

Restriction of suspension dimple contact point

Electrodeposition of high damping magnetic alloys

Magnetic head with assisted magnetic recording

Write transducer with recessed portion to improve track shingling p...

Split band multichannel magnetic recording head having scaled reade...

Magnetic recording medium, magnetic recording and reproducing appar...

Disk device

Recording head with writer HMS less than reader HMS

Magnetic head including spin torque oscillator

Patents Applicationslast 30 patents

A MAGNETIC RECORDING SYSTEM FOR RECORDING DATA ON A MAGNETIC MEDIA

MAGNETIC DISK DEVICE AND METHOD

Dual-Spin Torque Oscillator Designs in Microwave Assisted Magnetic...

MAGNETIC HEAD AND MAGNETIC DISK DEVICE COMPRISING THE SAME

MAGNETIC RECORDING HEAD WITH STABLE MAGNETIZATION OF SHIELDS

HEAT-ASSISTED MAGNETIC RECORDING (HAMR) HEAD WITH MAIN POLE HAVING...

MAGNETIC HEAD AND MAGNETIC RECORDING/REPRODUCING DEVICE

MAGNETIC WRITE HEAD WITH FLUX BLOCKADE STRUCTURE

HEATSINK STRUCTURES FOR HEAT-ASSISTED MAGNETIC RECORDING HEADS

MAGNETIC HEAD AND MAGNETIC RECORDING DEVICE

MAGNETIC HEAD WITH ASSISTED MAGNETIC RECORDING AND METHOD OF MAKING...

MAGNETIC HEAD WITH ASSISTED MAGNETIC RECORDING AND METHOD OF MAKING...

RESTRICTION OF SUSPENSION DIMPLE CONTACT POINT

DISK DEVICE

Dual Writer For Advanced Magnetic Recording

HEATSINK STRUCTURES FOR HEAT-ASSISTED MAGNETIC RECORDING HEADS

MAGNETIC DISK DEVICE HAVING FIRST AND SECOND ASSIST ELEMENTS AND WR...

SPLIT BAND MULTICHANNEL MAGNETIC RECORDING HEAD HAVING SCALED READE...

MAGNETIC RECORDING MEDIUM, MAGNETIC RECORDING AND REPRODUCING APPAR...

DUAL WRITER FOR ADVANCED MAGNETIC RECORDING

MAGNETIC DISK DEVICE AND WRITE OPERATION METHOD

Alternative Designs for Magnetic Recording Assisted by a Single Spi...

WRITE HEADS CONFIGURED TO REDIRECT CURRENT

MAGNETIC HEAD WITH ASSISTED MAGNETIC RECORDING AND METHOD OF MAKING...

ELECTROSTRICTIVE CONTROL FOR THE WIDTH OF A TAPE-HEAD-ARRAY

MAGNETIC HEAD AND MAGNETIC RECORDING AND REPRODUCING DEVICE

MAGNETIC WRITE HEAD WITH DUAL RETURN POLE AND TAPERED MAIN POLE

READ HEAD INCLUDING SEMICONDUCTOR SPACER AND LONG SPIN DIFFUSION LE...

ELECTROSTRICTIVE CONTROL FOR THE WIDTH OF A TAPE-HEAD-ARRAY

MULTI-CHANNEL MAGNETIC RECORDING HEAD HAVING COMPLIANTLY ENCAPSULAT...