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Selection of material for gap filler
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G11B5/235
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PHYSICS
G11
Information storage
G11B
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B5/00
Recording by magnetisation or demagnetisation of a record carrier Reproducing by magnetic means Record carriers therefor
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G11B5/235
Selection of material for gap filler
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Patents Grants
last 30 patents
Information
Patent Grant
Magnetic head with multilayer configuration between magnetic poles...
Patent number
12,170,101
Issue date
Dec 17, 2024
Kabushiki Kaisha Toshiba
Yuji Nakagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head with stacked body configurations and magnetic recordi...
Patent number
12,165,677
Issue date
Dec 10, 2024
Kabushiki Kaisha Toshiba
Yuji Nakagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head with conductive non-magnetic layer contact configurat...
Patent number
12,148,453
Issue date
Nov 19, 2024
Kabushiki Kaisha Toshiba
Yuji Nakagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic flux guiding device with spin torque oscillator (STO) film...
Patent number
12,068,008
Issue date
Aug 20, 2024
Headway Technologies, Inc.
Wenyu Chen
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording heads having one or more dusting layers for magn...
Patent number
12,057,145
Issue date
Aug 6, 2024
Western Digital Technologies, Inc.
Muhammad Asif Bashir
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
Glass for magnetic recording medium substrate or for glass spacer t...
Patent number
11,999,652
Issue date
Jun 4, 2024
Hoya Corporation
Koichi Sato
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
Cross track current design for energy assisted magnetic recording
Patent number
11,881,237
Issue date
Jan 23, 2024
Western Digital Technologies, Inc.
Muhammad Asif Bashir
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording devices using virtual side shields for improved...
Patent number
11,854,581
Issue date
Dec 26, 2023
Western Digital Technologies, Inc.
Suping Song
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head including multiple magnetic layers and magnetic recor...
Patent number
11,810,601
Issue date
Nov 7, 2023
Kabushiki Kaisha Toshiba
Yuji Nakagawa
G11 - INFORMATION STORAGE
Information
Patent Grant
MAMR recording head with SAF trailing shield notch and/or bump
Patent number
11,769,522
Issue date
Sep 26, 2023
Western Digital Technologies, Inc.
Alexander Goncharov
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording devices using virtual side shields for improved...
Patent number
11,749,299
Issue date
Sep 5, 2023
Western Digital Technologies, Inc.
Suping Song
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head with stacked body having specified compositions of ma...
Patent number
11,626,130
Issue date
Apr 11, 2023
Kabushiki Kaisha Toshiba
Naoyuki Narita
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive biasing two write assist elements using three terminal c...
Patent number
11,615,804
Issue date
Mar 28, 2023
Western Digital Technologies, Inc.
Joey M. Poss
G11 - INFORMATION STORAGE
Information
Patent Grant
Energy-assisted magnetic recording head with protective cap
Patent number
11,605,397
Issue date
Mar 14, 2023
Western Digital Technologies, Inc.
John Pierre Herber
G11 - INFORMATION STORAGE
Information
Patent Grant
Three terminal magnetic recording head
Patent number
11,600,293
Issue date
Mar 7, 2023
Western Digital Technologies, Inc.
Terence Lam
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic flux guiding device with spin torque oscillator (STO) film...
Patent number
11,568,891
Issue date
Jan 31, 2023
Headway Technologies, Inc.
Wenyu Chen
G11 - INFORMATION STORAGE
Information
Patent Grant
Write heads having conducting side gap for directing current
Patent number
11,557,314
Issue date
Jan 17, 2023
Western Digital Technologies, Inc.
Muhammad Asif Bashir
G11 - INFORMATION STORAGE
Information
Patent Grant
Energy assisted magnetic recording head having improved areal densi...
Patent number
11,557,315
Issue date
Jan 17, 2023
Western Digital Technologies, Inc.
Suping Song
G11 - INFORMATION STORAGE
Information
Patent Grant
Writer with laterally graded spin layer MsT
Patent number
11,545,175
Issue date
Jan 3, 2023
Headway Technologies, Inc.
Ying Liu
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head including main pole having top surface including firs...
Patent number
11,514,931
Issue date
Nov 29, 2022
Headway Technologies, Inc.
Hironori Araki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic recording device including a magnetic head including a sta...
Patent number
11,495,250
Issue date
Nov 8, 2022
Kabushiki Kaisha Toshiba
Hitoshi Iwasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head and magnetic recording device having magnetic layers...
Patent number
11,462,239
Issue date
Oct 4, 2022
Kabushiki Kaisha Toshiba
Tazumi Nagasawa
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head and magnetic recording device with stacked body mater...
Patent number
11,437,059
Issue date
Sep 6, 2022
Kabushiki Kaisha Toshiba
Hitoshi Iwasaki
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
Magnetic recording device including magnetic head which includes a...
Patent number
11,417,355
Issue date
Aug 16, 2022
Kabushiki Kaisha Toshiba
Naoyuki Narita
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head with stacked body having non-magnetic layers and diff...
Patent number
11,398,244
Issue date
Jul 26, 2022
Kabushiki Kaisha Toshiba
Masayuki Takagishi
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head including stacked body with changing electrical resis...
Patent number
11,380,352
Issue date
Jul 5, 2022
Kabushiki Kaisha Toshiba
Hitoshi Iwasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetic head including spin torque oscillator, first and second ga...
Patent number
11,380,353
Issue date
Jul 5, 2022
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Magnetic Flux Guiding Device With Spin Torque Oscillator (STO) Film...
Publication number
20240371402
Publication date
Nov 7, 2024
HEADWAY TECHNOLOGIES, INC.
Wenyu Chen
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC HEAD WITH MULTILAYER CONFIGURATION BETWEEN MAGNETIC POLES...
Publication number
20240296863
Publication date
Sep 5, 2024
Kabushiki Kaisha Toshiba
Yuji NAKAGAWA
G11 - INFORMATION STORAGE
Information
Patent Application
GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE OR FOR GLASS SPACER T...
Publication number
20240286946
Publication date
Aug 29, 2024
HOYA CORPORATION
Koichi SATO
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
GLASS FOR MAGNETIC RECORDING MEDIUM SUBSTRATE OR FOR GLASS SPACER T...
Publication number
20230192530
Publication date
Jun 22, 2023
Hoya Corporation
Koichi SATO
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic Flux Guiding Device With Spin Torque Oscillator (STO) Film...
Publication number
20230178103
Publication date
Jun 8, 2023
HEADWAY TECHNOLOGIES, INC.
Wenyu Chen
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC HEAD AND MAGNETIC RECORDING DEVICE
Publication number
20230062839
Publication date
Mar 2, 2023
Kabushiki Kaisha Toshiba
Yuji NAKAGAWA
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic Recording Devices Using Virtual Side Shields for Improved...
Publication number
20220343944
Publication date
Oct 27, 2022
Western Digital Technologies, Inc.
Suping SONG
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC HEAD AND MAGNETIC RECORDING DEVICE
Publication number
20220335968
Publication date
Oct 20, 2022
Kabushiki Kaisha Toshiba
Naoyuki NARITA
G11 - INFORMATION STORAGE
Information
Patent Application
Writer with Laterally Graded Spin Layer MsT
Publication number
20220199113
Publication date
Jun 23, 2022
HEADWAY TECHNOLOGIES, INC.
Ying Liu
G11 - INFORMATION STORAGE
Information
Patent Application
Energy Assisted Magnetic Recording Head Having Improved Areal Densi...
Publication number
20220108715
Publication date
Apr 7, 2022
Western Digital Technologies, Inc.
Suping SONG
G11 - INFORMATION STORAGE
Information
Patent Application
ENERGY-ASSISTED MAGNETIC RECORDING HEAD WITH PROTECTIVE CAP
Publication number
20210407535
Publication date
Dec 30, 2021
Western Digital Technologies, Inc.
John Pierre Herber
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC HEAD AND MAGNETIC RECORDING DEVICE
Publication number
20210375308
Publication date
Dec 2, 2021
Kabushiki Kaisha Toshiba
Tazumi NAGASAWA
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING DEVICE
Publication number
20210166724
Publication date
Jun 3, 2021
Kabushiki Kaisha Toshiba
Masayuki TAKAGISHI
G11 - INFORMATION STORAGE
Information
Patent Application
SPIN ORBITAL TORQUE BASED MICROWAVE ASSISTED MAGNETIC RECORDING WIT...
Publication number
20210082458
Publication date
Mar 18, 2021
Western Digital Technologies, Inc.
Zhanjie LI
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic Recording Devices Using Virtual Side Shields for Improved...
Publication number
20210074322
Publication date
Mar 11, 2021
Western Digital Technologies, Inc.
Suping SONG
G11 - INFORMATION STORAGE
Information
Patent Application
MAMR Writer With Low Resistance MAMR Stack
Publication number
20200349968
Publication date
Nov 5, 2020
Western Digital Technologies, Inc.
Michael Kuok San HO
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING WRITE HEAD WITH SELECTED WRITE GAP CURRENT DIREC...
Publication number
20200327900
Publication date
Oct 15, 2020
Western Digital Technologies, Inc.
Zhigang BAI
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
SPIN TORQUE LAYER IN SIDE GAP FOR IMPROVED FIELD AND CROSS TRACK FI...
Publication number
20200327902
Publication date
Oct 15, 2020
Western Digital Technologies, Inc.
Alexander GONCHAROV
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC HEAD AND DISK DEVICE HAVING THE SAME
Publication number
20200243108
Publication date
Jul 30, 2020
Kabushiki Kaisha Toshiba
Masaya OHTAKE
G11 - INFORMATION STORAGE
Information
Patent Application
Method of Forming a Perpendicular Magnetic Recording (PMR) Write He...
Publication number
20190206428
Publication date
Jul 4, 2019
HEADWAY TECHNOLOGIES, INC.
Ying Liu
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING AND REPRODUCING DEVICE
Publication number
20190115047
Publication date
Apr 18, 2019
Kabushiki Kaisha Toshiba
Kenichiro Yamada
G11 - INFORMATION STORAGE
Information
Patent Application
PMR Write Head with Patterned Leading Edge Taper
Publication number
20180330748
Publication date
Nov 15, 2018
HEADWAY TECHNOLOGIES, INC.
Ying Liu
G11 - INFORMATION STORAGE
Information
Patent Application
TUNNEL MAGNETORESISTIVE SENSOR HAVING LEADS SUPPORTING THREE DIMENS...
Publication number
20180247665
Publication date
Aug 30, 2018
International Business Machines Corporation
Robert G. Biskeborn
G11 - INFORMATION STORAGE
Information
Patent Application
MAGNETIC RECORDING AND REPRODUCING DEVICE
Publication number
20180114539
Publication date
Apr 26, 2018
Kabushiki Kaisha Toshiba
Kenichiro Yamada
G11 - INFORMATION STORAGE
Information
Patent Application
SWITCHING PERIOD CONTROL OF MICROWAVE ASSISTED MAGNETIC RECORDING F...
Publication number
20180061450
Publication date
Mar 1, 2018
WESTERN DIGITAL TECHNOLOGIES, INC.
SATOSHI TABATA
G11 - INFORMATION STORAGE
Information
Patent Application
MICROWAVE ASSISTED MAGNETIC RECORDING HEAD WITH SPIN TORQUE OSCILLA...
Publication number
20170309299
Publication date
Oct 26, 2017
TDK Corporation
Zhenyao TANG
G11 - INFORMATION STORAGE
Information
Patent Application
WRITE HEAD HAVING BEVELED NON-MAGNETIC WRITE GAP SEED LAYER
Publication number
20150371668
Publication date
Dec 24, 2015
SEAGATE TECHNOLOGY LLC
Wei Tian
G11 - INFORMATION STORAGE
Information
Patent Application
STIFF DISCRETE INSERT ARRAY FOR THERMAL PTR MANAGEMENT WITH DESIRED...
Publication number
20150325258
Publication date
Nov 12, 2015
HGST NETHERLANDS B.V.
Quan-Chiu Harry LAM
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
MAGNETIC STACK COUPLING BUFFER LAYER
Publication number
20150131182
Publication date
May 14, 2015
SEAGATE TECHNOLOGY LLC
Gabriel G. McCafferty
G11 - INFORMATION STORAGE