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Optical waveguide in or on flying head
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G11B5/6088
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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
Current Industry
G11B5/6088
Optical waveguide in or on flying head
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Patents Grants
last 30 patents
Information
Patent Grant
Single-grain near-field transducer and process for forming same
Patent number
11,935,567
Issue date
Mar 19, 2024
Seagate Technology LLC
Michael Christopher Kautzky
C30 - CRYSTAL GROWTH
Information
Patent Grant
Heat-assisted magnetic recording head with an integrated photodiode
Patent number
11,908,499
Issue date
Feb 20, 2024
Seagate Technology LLC
Mark Gubbins
G11 - INFORMATION STORAGE
Information
Patent Grant
Heat-assisted magnetic recording head near-field transducer with a...
Patent number
11,900,963
Issue date
Feb 13, 2024
Seagate Technology LLC
Yuhang Cheng
G11 - INFORMATION STORAGE
Information
Patent Grant
Self-aligned hybrid near field transducer with single peg grain
Patent number
11,894,031
Issue date
Feb 6, 2024
Headway Technologies, Inc.
Xuhui Jin
G11 - INFORMATION STORAGE
Information
Patent Grant
Heat treatment of NFT and surrounding material
Patent number
11,881,230
Issue date
Jan 23, 2024
Western Digital Technologies, Inc.
Sukumar Rajauria
G11 - INFORMATION STORAGE
Information
Patent Grant
Heat-assisted magnetic recording head with a bilayer adhesion struc...
Patent number
11,875,826
Issue date
Jan 16, 2024
Seagate Technology LLC
Michael C Kautzky
G11 - INFORMATION STORAGE
Information
Patent Grant
Current assisted HAMR magnetic writer
Patent number
11,854,584
Issue date
Dec 26, 2023
Western Digital Technologies, Inc.
Muhammad Asif Bashir
G11 - INFORMATION STORAGE
Information
Patent Grant
Short on wafer laser for heat assisted magnetic recording
Patent number
11,848,036
Issue date
Dec 19, 2023
Seagate Technology LLC
Reyad Mehfuz
G11 - INFORMATION STORAGE
Information
Patent Grant
Heat-assisted recording head having mirror liner that reduces evane...
Patent number
11,823,719
Issue date
Nov 21, 2023
Seagate Technology LLC
Chubing Peng
G11 - INFORMATION STORAGE
Information
Patent Grant
Laser feedback suppressor for heat-assisted magnetic recording
Patent number
11,817,119
Issue date
Nov 14, 2023
Seagate Technology LLC
Aidan Dominic Goggin
G11 - INFORMATION STORAGE
Information
Patent Grant
Heat-assisted magnetic recording head near-field transducer with a...
Patent number
11,798,582
Issue date
Oct 24, 2023
Seagate Technology LLC
Anil Kumar Puri
G11 - INFORMATION STORAGE
Information
Patent Grant
Heat-assisted magnetic recording head with a laser heater
Patent number
11,798,580
Issue date
Oct 24, 2023
Seagate Technology LLC
Nils Jan Gokemeijer
G11 - INFORMATION STORAGE
Information
Patent Grant
Heat-assisted magnetic recording head near-field transducer with a...
Patent number
11,790,944
Issue date
Oct 17, 2023
Seagate Technology LLC
Yuhang Cheng
G11 - INFORMATION STORAGE
Information
Patent Grant
Heat sinking layer between a substrate and encasing layers of a rec...
Patent number
11,790,939
Issue date
Oct 17, 2023
Seagate Technology LLC
Helene Parwana Habibi
G11 - INFORMATION STORAGE
Information
Patent Grant
Heat-assisted magnetic recording (HAMR) write head with protective...
Patent number
11,776,566
Issue date
Oct 3, 2023
Western Digital Technologies, Inc.
Nattaporn Khamnualthong
G11 - INFORMATION STORAGE
Information
Patent Grant
Heat-assisted magnetic recording head with a multilayer plasmonic disk
Patent number
11,710,502
Issue date
Jul 25, 2023
Seagate Technology LLC
Tae-Woo Lee
G11 - INFORMATION STORAGE
Information
Patent Grant
Thermally-assisted magnetic recording (TAMR) head with magnetic ass...
Patent number
11,699,461
Issue date
Jul 11, 2023
Headway Technologies, Inc.
Bogdan Florin Valcu
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk device with improved impact resistance
Patent number
11,664,049
Issue date
May 30, 2023
Kabushiki Kaisha Toshiba
Masaya Kudo
G11 - INFORMATION STORAGE
Information
Patent Grant
VCSEL array for HAMR
Patent number
11,651,786
Issue date
May 16, 2023
Western Digital Technologies, Inc.
Barry C. Stipe
G11 - INFORMATION STORAGE
Information
Patent Grant
VCSEL array for HAMR
Patent number
11,651,787
Issue date
May 16, 2023
Western Digital Technologies, Inc.
Barry C. Stipe
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
HAMR head with near-field transducer (NFT) with trailing bevel
Patent number
11,574,647
Issue date
Feb 7, 2023
Western Digital Technologies, Inc.
Mingjun Yu
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
Compact mode converter having first and second straight portions fo...
Patent number
11,443,765
Issue date
Sep 13, 2022
Seagate Technology LLC
Reyad Mehfuz
G11 - INFORMATION STORAGE
Information
Patent Grant
Processing for forming single-grain near-field transducer
Patent number
11,423,928
Issue date
Aug 23, 2022
Seagate Technology LLC
Michael Christopher Kautzky
C30 - CRYSTAL GROWTH
Information
Patent Grant
Thermally-assisted magnetic recording head having plasmon generator...
Patent number
11,410,688
Issue date
Aug 9, 2022
Headway Technologies, Inc.
Yoshitaka Sasaki
G11 - INFORMATION STORAGE
Information
Patent Grant
Sliding disk drive recording head with wireless power and data inte...
Patent number
11,410,698
Issue date
Aug 9, 2022
Seagate Technology LLC
Mark Anthony Gubbins
G11 - INFORMATION STORAGE
Information
Patent Grant
VCSEL array for HAMR
Patent number
11,398,246
Issue date
Jul 26, 2022
Western Digital Technologies, Inc.
Barry Stipe
G11 - INFORMATION STORAGE
Information
Patent Grant
Multiple protective film on near-field transducer of heat-assisted...
Patent number
11,386,922
Issue date
Jul 12, 2022
Western Digital Technologies, Inc.
Nattaporn Khamnualthong
G11 - INFORMATION STORAGE
Information
Patent Grant
Recording head with focusing structure
Patent number
11,373,679
Issue date
Jun 28, 2022
Seagate Technology LLC
Ruoxi Yang
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
HEAT-ASSISTED MAGNETIC RECORDING (HAMR) HEAD WITH MAIN POLE HAVING...
Publication number
20240161777
Publication date
May 16, 2024
Western Digital Technologies, Inc.
G11 - INFORMATION STORAGE
Information
Patent Application
HEAT ASSISTED MAGNETIC RECORDING (HAMR) WRITE HEAD WITH ENHANCED ST...
Publication number
20240135964
Publication date
Apr 25, 2024
Western Digital Technologies, Inc.
Sung Hun Wee
G11 - INFORMATION STORAGE
Information
Patent Application
HEAT-ASSISTED MAGNETIC RECORDING HEAD WITH AN INTEGRATED PHOTODIODE
Publication number
20240112696
Publication date
Apr 4, 2024
SEAGATE TECHNOLOGY LLC
Mark Anthony Gubbins
G11 - INFORMATION STORAGE
Information
Patent Application
HEAT-ASSISTED MAGNETIC RECORDING HEAD NEAR-FIELD TRANSDUCER WITH A...
Publication number
20240096369
Publication date
Mar 21, 2024
SEAGATE TECHNOLOGY LLC
Yuhang Cheng
G11 - INFORMATION STORAGE
Information
Patent Application
LASER FEEDBACK SUPPRESSOR FOR HEAT-ASSISTED MAGNETIC RECORDING
Publication number
20240013806
Publication date
Jan 11, 2024
SEAGATE TECHNOLOGY LLC
Aidan Dominic Goggin
G11 - INFORMATION STORAGE
Information
Patent Application
HEAT-ASSISTED MAGNETIC RECORDING HEAD NEAR-FIELD TRANSDUCER WITH A...
Publication number
20230410843
Publication date
Dec 21, 2023
SEAGATE TECHNOLOGY LLC
Yuhang Cheng
G11 - INFORMATION STORAGE
Information
Patent Application
HAMR HEAD WITH NEAR-FIELD TRANSDUCER (NFT) WITH TRAILING BEVEL
Publication number
20230059099
Publication date
Feb 23, 2023
Western Digital Technologies, Inc.
Mingjun YU
G11 - INFORMATION STORAGE
Information
Patent Application
HEAT-ASSISTED MAGNETIC RECORDING HEAD NEAR-FIELD TRANSDUCER WITH A...
Publication number
20220415354
Publication date
Dec 29, 2022
SEAGATE TECHNOLOGY LLC
Yuhang Cheng
G11 - INFORMATION STORAGE
Information
Patent Application
Heat-Assisted Magnetic Recording (HAMR) Write Head With Protective...
Publication number
20220399034
Publication date
Dec 15, 2022
Western Digital Technologies, Inc.
Nattaporn KHAMNUALTHONG
G11 - INFORMATION STORAGE
Information
Patent Application
SINGLE-GRAIN NEAR-FIELD TRANSDUCER AND PROCESS FOR FORMING SAME
Publication number
20220366934
Publication date
Nov 17, 2022
SEAGATE TECHNOLOGY LLC
Michael Christopher Kautzky
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
HEAT-ASSISTED MAGNETIC RECORDING HEAD NEAR-FIELD TRANSDUCER WITH A...
Publication number
20220319542
Publication date
Oct 6, 2022
SEAGATE TECHNOLOGY LLC
Anil Kumar Puri
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
VCSEL Array For HAMR
Publication number
20220189508
Publication date
Jun 16, 2022
Western Digital Technologies, Inc.
Barry C. STIPE
G11 - INFORMATION STORAGE
Information
Patent Application
VCSEL Array For HAMR
Publication number
20220189507
Publication date
Jun 16, 2022
Western Digital Technologies, Inc.
Barry C. STIPE
G11 - INFORMATION STORAGE
Information
Patent Application
DISK DEVICE WITH IMPROVED IMPACT RESISTANCE
Publication number
20220172741
Publication date
Jun 2, 2022
Kabushiki Kaisha Toshiba
Masaya Kudo
G11 - INFORMATION STORAGE
Information
Patent Application
Laser Feedback Suppressor for Heat-Assisted Magnetic Recording
Publication number
20220101879
Publication date
Mar 31, 2022
SEAGATE TECHNOLOGY LLC
Aidan Dominic Goggin
G11 - INFORMATION STORAGE
Information
Patent Application
OPTICAL POWER SENSOR FOR A HEAT-ASSISTED MAGNETIC RECORDING SLIDER
Publication number
20220068301
Publication date
Mar 3, 2022
SEAGATE TECHNOLOGY LLC
Chubing Peng
G11 - INFORMATION STORAGE
Information
Patent Application
WAVEGUIDE WITH OPTICAL ISOLATOR FOR HEAT-ASSISTED MAGNETIC RECORDING
Publication number
20210327463
Publication date
Oct 21, 2021
SEAGATE TECHNOLOGY LLC
John Bernard McGurk
G11 - INFORMATION STORAGE
Information
Patent Application
COMPACT MODE CONVERTER FOR HEAT-ASSISTED MAGNETIC RECORDING
Publication number
20210225397
Publication date
Jul 22, 2021
SEAGATE TECHNOLOGY LLC
Reyad Mehfuz
G02 - OPTICS
Information
Patent Application
MAGNETIC RECORDING MEDIUM AND MAGNETIC STORAGE APPARATUS
Publication number
20200327905
Publication date
Oct 15, 2020
SHOWA DENKO K.K.
Takayuki FUKUSHIMA
G11 - INFORMATION STORAGE
Information
Patent Application
MATERIALS FOR NEAR FIELD TRANSDUCERS AND NEAR FIELD TRANSDUCERS CON...
Publication number
20200227086
Publication date
Jul 16, 2020
SEAGATE TECHNOLOGY LLC
Yuhang Cheng
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
MODE SPLITTER FOR HEAT-ASSISTED MAGNETIC RECORDING
Publication number
20200152230
Publication date
May 14, 2020
SEAGATE TECHNOLOGY LLC
Christopher Neil Harvey
G11 - INFORMATION STORAGE
Information
Patent Application
NEAR-FIELD TRANSDUCER FOR HEAT ASSISTED MAGNETIC RECORDING COMPRISI...
Publication number
20190378539
Publication date
Dec 12, 2019
Takuya MATSUMOTO
G11 - INFORMATION STORAGE
Information
Patent Application
NFT WITH MECHANICALLY ROBUST MATERIALS
Publication number
20190214041
Publication date
Jul 11, 2019
SEAGATE TECHNOLOGY LLC
Martin Giles Blaber
G11 - INFORMATION STORAGE
Information
Patent Application
DEVICES INCLUDING A DIFFUSION BARRIER LAYER
Publication number
20190164570
Publication date
May 30, 2019
SEAGATE TECHNOLOGY LLC
Sarbeswar Sahoo
G11 - INFORMATION STORAGE
Information
Patent Application
NEAR FIELD TRANSDUCERS (NFTS) AND METHODS OF FORMING NFTS
Publication number
20190153590
Publication date
May 23, 2019
SEAGATE TECHNOLOGY LLC
Tong Zhao
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
PERFORMANCE MONITORING OF A NEAR-FIELD TRANSDUCER OF A HEAT-ASSISTE...
Publication number
20190103132
Publication date
Apr 4, 2019
SEAGATE TECHNOLOGY LLC
Riyan Mendonsa
G11 - INFORMATION STORAGE
Information
Patent Application
Magnetic Recording Method
Publication number
20190096435
Publication date
Mar 28, 2019
Kaizhong Gao
G11 - INFORMATION STORAGE
Information
Patent Application
MATERIALS FOR NEAR FIELD TRANSDUCERS AND NEAR FIELD TRANSDUCERS CON...
Publication number
20190088280
Publication date
Mar 21, 2019
SEAGATE TECHNOLOGY LLC
Sethuraman Jayashankar
C01 - INORGANIC CHEMISTRY
Information
Patent Application
PROCEDURE FOR SETTING LASER AND HEATER POWER IN HAMR DEVICE
Publication number
20190019531
Publication date
Jan 17, 2019
SEAGATE TECHNOLOGY LLC
Tim Rausch
G11 - INFORMATION STORAGE
Information
Patent Application
MATERIALS FOR NEAR FIELD TRANSDUCERS AND NEAR FIELD TRANSDUCERS CON...
Publication number
20180366153
Publication date
Dec 20, 2018
SEAGATE TECHNOLOGY LLC
Yuhang Cheng
C01 - INORGANIC CHEMISTRY