for reducing the pole-tip-protrusion at the head transducing surface

Industry

CPC
G11B5/3136

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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

G11B5/3136for reducing the pole-tip-protrusion at the head transducing surface

Industries

Patents Grantslast 30 patents

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
Recessed hardmask used to form heat-assisted magnetic recording nea...
- Patent number 11,456,008
- Issue date Sep 27, 2022
- Seagate Technology LLC
- Anusha Natarajarathinam
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device
- Patent number 11,410,695
- Issue date Aug 9, 2022
- Kabushiki Kaisha Toshiba
- Masami Yamane
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk device with magnetic head
- Patent number 11,341,991
- Issue date May 24, 2022
- Kabushiki Kaisha Toshiba
- Mio Okada
- G11 - INFORMATION STORAGE
Information Patent Grant
Spin torque reversal assisted magnetic recording (STRAMR) device ha...
- Patent number 11,043,232
- Issue date Jun 22, 2021
- Headway Technologies, Inc.
- Yan Wu
- G11 - INFORMATION STORAGE
Information Patent Grant
Heatsink structures for heat-assisted magnetic recording heads
- Patent number 11,011,201
- Issue date May 18, 2021
- Seagate Technology LLC
- Helene Parwana Habibi
- G11 - INFORMATION STORAGE
Information Patent Grant
Spin torque reversal assisted magnetic recording (STRAMR) device ha...
- Patent number 10,872,623
- Issue date Dec 22, 2020
- Headway Technologies, Inc.
- Yan Wu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head and disk device with heat actuators
- Patent number 10,867,624
- Issue date Dec 15, 2020
- Kabushiki Kaisha Toshiba
- Toru Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Near-field transducer with thermally robust peg embedded into an en...
- Patent number 10,832,717
- Issue date Nov 10, 2020
- Seagate Technology LLC
- Yuhang Cheng
- G11 - INFORMATION STORAGE
Information Patent Grant
Near-field transducer having a peg surrounded by a metal aperture p...
- Patent number 10,714,137
- Issue date Jul 14, 2020
- Seagate Technology LLC
- Vivek Krishnamurthy
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device detecting abnormality with a write assist eleme...
- Patent number 10,699,736
- Issue date Jun 30, 2020
- Western Digital Technologies, Inc.
- Sukumar Rajauria
- G11 - INFORMATION STORAGE
Information Patent Grant
Devices including metal layer
- Patent number 10,636,440
- Issue date Apr 28, 2020
- Seagate Technology LLC
- Yuhang Cheng
- G11 - INFORMATION STORAGE
Information Patent Grant
Near-field transducer with thermally robust peg embedded into an en...
- Patent number 10,410,664
- Issue date Sep 10, 2019
- Seagate Technology LLC
- Yuhang Cheng
- 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
Slider with heat sink between read transducer and substrate
- Patent number 10,366,715
- Issue date Jul 30, 2019
- Seagate Technology LLC
- Vasudevan Ramaswamy
- G11 - INFORMATION STORAGE
Information Patent Grant
Using window underlayer structures to protect near field transducer...
- Patent number 10,354,680
- Issue date Jul 16, 2019
- Western Digital Technologies, Inc.
- Sukumar Rajauria
- G11 - INFORMATION STORAGE
Information Patent Grant
Transducing head protrusion control
- Patent number 10,332,549
- Issue date Jun 25, 2019
- Seagate Technology LLC
- Erik J Hutchinson
- 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
Recessed hardmask used to form HAMR NFT heat sink
- Patent number 10,224,064
- Issue date Mar 5, 2019
- Seagate Technology LLC
- Anusha Natarajarathinam
- G11 - INFORMATION STORAGE
Information Patent Grant
Devices including metal layer
- Patent number 10,192,573
- Issue date Jan 29, 2019
- Seagate Technology LLC
- Yuhang Cheng
- G11 - INFORMATION STORAGE
Information Patent Grant
Near-field transducer having edges aligned with waveguide core
- Patent number 10,186,292
- Issue date Jan 22, 2019
- Seagate Technology LLC
- Vivek Krishnamurthy
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for manufacturing thermally-assisted magnetic recording head...
- Patent number 10,152,991
- Issue date Dec 11, 2018
- Headway Technologies, Inc.
- Tsutomu Chou
- G11 - INFORMATION STORAGE
Information Patent Grant
Devices including a multilayer gas barrier layer
- Patent number 9,552,833
- Issue date Jan 24, 2017
- Seagate Technology LLC
- Yuhang Cheng
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head with a heating element between the read and write ele...
- Patent number 9,484,048
- Issue date Nov 1, 2016
- HGST Netherlands B.V.
- Shinji Sasaki
- B24 - GRINDING POLISHING
Information Patent Grant
Laser optical power monitoring using thermal sensor of a head trans...
- Patent number 9,454,986
- Issue date Sep 27, 2016
- Seagate Technology LLC
- Michael Thomas Johnson
- G11 - INFORMATION STORAGE
Information Patent Grant
Head-medium contact detection using high frequency heater oscillation
- Patent number 9,437,234
- Issue date Sep 6, 2016
- Seagate Technology LLC
- Shi Jung Kim
- G11 - INFORMATION STORAGE
Information Patent Grant
Devices including a gas barrier layer
- Patent number 9,412,402
- Issue date Aug 9, 2016
- Seagate Technology LLC
- Yuhang Cheng
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head and magnetic disk device
- Patent number 9,355,658
- Issue date May 31, 2016
- Kabushiki Kaisha Toshiba
- Toshiyuki Ikai
- G11 - INFORMATION STORAGE
Information Patent Grant
Thermally-assisted magnetic recording head having a heat sink
- Patent number 9,330,702
- Issue date May 3, 2016
- Headway Technologies, Inc.
- Hironori Araki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head providing write protrusion suppression and methods of...
- Patent number 9,245,581
- Issue date Jan 26, 2016
- HGST Netherlands B.V.
- Koji Tanaka
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

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 DISK DEVICE
- Publication number 20220246174
- Publication date Aug 4, 2022
- Kabushiki Kaisha Toshiba
- Masami Yamane
- 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
RECESSED HARDMASK USED TO FORM HAMR NFT HEAT SINK
- Publication number 20190198046
- Publication date Jun 27, 2019
- SEAGATE TECHNOLOGY LLC
- Anusha Natarajarathinam
- 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
DEVICES INCLUDING A GAS BARRIER LAYER
- Publication number 20160035379
- Publication date Feb 4, 2016
- SEAGATE TECHNOLOGY LLC
- Yuhang Cheng
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD INCLUDING TWO CONTACT SENSORS
- Publication number 20150235659
- Publication date Aug 20, 2015
- SAE MAGNETICS (H. K) LTD.
- Yoshitaka SASAKI
- G11 - INFORMATION STORAGE
Information Patent Application
DEVICES INCLUDING A GAS BARRIER LAYER
- Publication number 20140376350
- Publication date Dec 25, 2014
- Yuhang Cheng
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING HEAD AND DISK DRIVE WITH THE SAME
- Publication number 20140362468
- Publication date Dec 11, 2014
- Kabushiki Kaisha Toshiba
- Tomoko Taguchi
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD PROVIDING WRITE PROTRUSION SUPPRESSION AND METHODS OF...
- Publication number 20140362674
- Publication date Dec 11, 2014
- Koji Tanaka
- G11 - INFORMATION STORAGE
Information Patent Application
APPARATUSES AND METHODS FOR CONTROLLING NEAR-FIELD TRANSDUCER TO WR...
- Publication number 20140307534
- Publication date Oct 16, 2014
- SEAGATE TECHNOLOGY LLC
- Hua Zhou
- G11 - INFORMATION STORAGE
Information Patent Application
CONTACT DETECTION USING LASER MODULATION
- Publication number 20140269819
- Publication date Sep 18, 2014
- SEAGATE TECHNOLOGY LLC
- James Dillon Kiely
- G11 - INFORMATION STORAGE
Information Patent Application
Dual-Piece Heat Sink Layer for Robust Reader in Magnetic Recording...
- Publication number 20140268423
- Publication date Sep 18, 2014
- HEADWAY TECHNOLOGIES, INC.
- Yan Wu
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD, MAGNETIC HEAD ASSEMBLY, AND MAGNETIC RECORDING-REPRO...
- Publication number 20140160598
- Publication date Jun 12, 2014
- Masahiro TAKASHITA
- G11 - INFORMATION STORAGE
Information Patent Application
WRITE ELEMENT, THERMALLY ASSISTED MAGNETIC HEAD SLIDER, HEAD GIMBAL...
- Publication number 20140131309
- Publication date May 15, 2014
- SAE MAGNETICS (H. K) LTD.
- Natsuo NISHIJIMA
- G11 - INFORMATION STORAGE
Information Patent Application
RECORDING HEAD INCLUDING NFT AND HEATSINK
- Publication number 20140050057
- Publication date Feb 20, 2014
- SEAGATE TECHNOLOGY LLC
- Jie Zou
- G11 - INFORMATION STORAGE
Information Patent Application
RECORDING HEAD INCLUDING A NEAR FIELD TRANSDUCER
- Publication number 20140050058
- Publication date Feb 20, 2014
- SEAGATE TECHNOLOGY LLC
- Jie Zou
- 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
HEAT ASSISTED MAGNETIC RECORDING HEAD
- Publication number 20130286806
- Publication date Oct 31, 2013
- SEAGATE TECHNOLOGY LLC
- James G. Wessel
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING HEAD AND MAGNETIC RECORDING AND REPRODUCING SAME
- Publication number 20130176837
- Publication date Jul 11, 2013
- Kabushiki Kaisha Toshiba
- Toshiyuki Ikai
- G11 - INFORMATION STORAGE
Information Patent Application
THIN-FILM MAGNETIC HEAD, METHOD OF MANUFACTURING THE SAME, HEAD GIM...
- Publication number 20130155550
- Publication date Jun 20, 2013
- HEADWAY TECHNOLOGIES, INC.
- Yoshitaka Sasaki
- G11 - INFORMATION STORAGE
Information Patent Application
TEMPERATURE SENSOR IN A THERMALLY ASSISTED MAGNETIC RECORDING HEAD
- Publication number 20130107390
- Publication date May 2, 2013
- Fu-Ying Huang
- G11 - INFORMATION STORAGE
Information Patent Application
TAR TEMPERATURE SENSOR HAVING FASTER RESPONSE TIME
- Publication number 20130107680
- Publication date May 2, 2013
- HGST NETHERLANDS B.V.
- John T. Contreras
- G11 - INFORMATION STORAGE
Information Patent Application
Recording Head for Heat Assisted Magnetic Recording with a Side Lob...
- Publication number 20130100783
- Publication date Apr 25, 2013
- SEAGATE TECHNOLOGY LLC
- Mark Henry Ostrowski
- G11 - INFORMATION STORAGE
Information Patent Application
THIN-FILM MAGNETIC HEAD, METHOD OF MANUFACTURING THE SAME, HEAD GIM...
- Publication number 20130057987
- Publication date Mar 7, 2013
- SAE MAGNETICS (H. K) LTD.
- Yoshitaka SASAKI
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD HAVING A CONTACT SENSOR
- Publication number 20130050867
- Publication date Feb 28, 2013
- TDK Corporation
- Takekazu YAMANE
- G11 - INFORMATION STORAGE
Information Patent Application
Contact feature for use with transducing devices
- Publication number 20130000107
- Publication date Jan 3, 2013
- SEAGATE TECHNOLOGY LLC
- Ladislav R. Pust
- G11 - INFORMATION STORAGE
Information Patent Application
EVALUATION METHOD OF MAGNETIC DISK, MANUFACTURING METHOD OF MAGNETI...
- Publication number 20120077060
- Publication date Mar 29, 2012
- WD MEDIA (SINGAPORE) PTE. LTD.
- Tsuyoshi Ozawa
- G11 - INFORMATION STORAGE
Information Patent Application
THERMALLY-ASSISTED MAGNETIC RECORDING HEAD
- Publication number 20120075966
- Publication date Mar 29, 2012
- TDK Corporation
- Satoshi Tomikawa
- G11 - INFORMATION STORAGE
Information Patent Application
Thermally assisted recording head with near field transducer having...
- Publication number 20120050906
- Publication date Mar 1, 2012
- Hamid Balamane
- G11 - INFORMATION STORAGE

for reducing the pole-tip-protrusion at the head transducing surface

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Heatsink structures for heat-assisted magnetic recording heads

Recessed hardmask used to form heat-assisted magnetic recording nea...

Magnetic disk device

Disk device with magnetic head

Spin torque reversal assisted magnetic recording (STRAMR) device ha...

Heatsink structures for heat-assisted magnetic recording heads

Spin torque reversal assisted magnetic recording (STRAMR) device ha...

Magnetic head and disk device with heat actuators

Near-field transducer with thermally robust peg embedded into an en...

Near-field transducer having a peg surrounded by a metal aperture p...

Data storage device detecting abnormality with a write assist eleme...

Devices including metal layer

Near-field transducer with thermally robust peg embedded into an en...

Write coil cooling arrangement at air bearing surface

Slider with heat sink between read transducer and substrate

Using window underlayer structures to protect near field transducer...

Transducing head protrusion control

Write coil cooling arrangement at air bearing surface

Recessed hardmask used to form HAMR NFT heat sink

Devices including metal layer

Near-field transducer having edges aligned with waveguide core

Method for manufacturing thermally-assisted magnetic recording head...

Devices including a multilayer gas barrier layer

Magnetic head with a heating element between the read and write ele...

Laser optical power monitoring using thermal sensor of a head trans...

Head-medium contact detection using high frequency heater oscillation

Devices including a gas barrier layer

Magnetic head and magnetic disk device

Thermally-assisted magnetic recording head having a heat sink

Magnetic head providing write protrusion suppression and methods of...

Patents Applicationslast 30 patents

HEATSINK STRUCTURES FOR HEAT-ASSISTED MAGNETIC RECORDING HEADS

MAGNETIC DISK DEVICE

HEATSINK STRUCTURES FOR HEAT-ASSISTED MAGNETIC RECORDING HEADS

RECESSED HARDMASK USED TO FORM HAMR NFT HEAT SINK

WRITE COIL COOLING ARRANGEMENT AT AIR BEARING SURFACE

DEVICES INCLUDING A GAS BARRIER LAYER

MAGNETIC HEAD INCLUDING TWO CONTACT SENSORS

DEVICES INCLUDING A GAS BARRIER LAYER

MAGNETIC RECORDING HEAD AND DISK DRIVE WITH THE SAME

MAGNETIC HEAD PROVIDING WRITE PROTRUSION SUPPRESSION AND METHODS OF...

APPARATUSES AND METHODS FOR CONTROLLING NEAR-FIELD TRANSDUCER TO WR...

CONTACT DETECTION USING LASER MODULATION

Dual-Piece Heat Sink Layer for Robust Reader in Magnetic Recording...

MAGNETIC HEAD, MAGNETIC HEAD ASSEMBLY, AND MAGNETIC RECORDING-REPRO...

WRITE ELEMENT, THERMALLY ASSISTED MAGNETIC HEAD SLIDER, HEAD GIMBAL...

RECORDING HEAD INCLUDING NFT AND HEATSINK

RECORDING HEAD INCLUDING A NEAR FIELD TRANSDUCER

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

HEAT ASSISTED MAGNETIC RECORDING HEAD

MAGNETIC RECORDING HEAD AND MAGNETIC RECORDING AND REPRODUCING SAME

THIN-FILM MAGNETIC HEAD, METHOD OF MANUFACTURING THE SAME, HEAD GIM...

TEMPERATURE SENSOR IN A THERMALLY ASSISTED MAGNETIC RECORDING HEAD

TAR TEMPERATURE SENSOR HAVING FASTER RESPONSE TIME

Recording Head for Heat Assisted Magnetic Recording with a Side Lob...

THIN-FILM MAGNETIC HEAD, METHOD OF MANUFACTURING THE SAME, HEAD GIM...

MAGNETIC HEAD HAVING A CONTACT SENSOR

Contact feature for use with transducing devices

EVALUATION METHOD OF MAGNETIC DISK, MANUFACTURING METHOD OF MAGNETI...

THERMALLY-ASSISTED MAGNETIC RECORDING HEAD

Thermally assisted recording head with near field transducer having...