Detecting head-disk contact

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CPC
G11B5/6076

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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

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G11B5/6076Detecting head-disk contact

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Method for forming a HAMR recording head with a protruding near-fie...
- Patent number 12,190,922
- Issue date Jan 7, 2025
- Seagate Technology LLC
- Michael A. Seigler
- G11 - INFORMATION STORAGE
Information Patent Grant
Pole tip recession compensation by dual heater ratio optimization i...
- Patent number 12,176,015
- Issue date Dec 24, 2024
- Western Digital Technologies, Inc.
- Bernhard E. Knigge
- G11 - INFORMATION STORAGE
Information Patent Grant
Touchdown detection and write-spacing setting in magnetic recording...
- Patent number 12,165,681
- Issue date Dec 10, 2024
- Western Digital Technologies, Inc.
- Qinghua Zeng
- G11 - INFORMATION STORAGE
Information Patent Grant
Continuous dual path resistance detection for resistive temperature...
- Patent number 11,961,542
- Issue date Apr 16, 2024
- Western Digital Technologies, Inc.
- John Contreras
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device
- Patent number 11,670,331
- Issue date Jun 6, 2023
- Kabushiki Kaisha Toshiba
- Kaori Kimura
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device and contact detecting method of the magnetic d...
- Patent number 11,538,493
- Issue date Dec 27, 2022
- Kabushiki Kaisha Toshiba
- Masayuki Kondo
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk inspection method of magnetic disk device and magneti...
- Patent number 11,482,252
- Issue date Oct 25, 2022
- Kabushiki Kaisha Toshiba
- Toru Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Touchdown detection for multiple actuators on magnetic recording de...
- Patent number 11,475,914
- Issue date Oct 18, 2022
- Kabushiki Kaisha Toshiba
- Yoshinari Higashino
- G11 - INFORMATION STORAGE
Information Patent Grant
Heat-assisted magnetic recording head with a near-field transducer...
- Patent number 11,222,657
- Issue date Jan 11, 2022
- Seagate Technology LLC
- Michael A. Seigler
- G11 - INFORMATION STORAGE
Information Patent Grant
Protective shields under touchdown conditions for thermally assiste...
- Patent number 11,211,084
- Issue date Dec 28, 2021
- SAE Magnetics (H.K.) Ltd.
- Qinghua Zeng
- G11 - INFORMATION STORAGE
Information Patent Grant
Surface acoustic wave-based sensing and actuation of contamination
- Patent number 11,087,790
- Issue date Aug 10, 2021
- Seagate Technology LLC
- Narayanan Ramakrishnan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Differential interface transmission of fly-height control data
- Patent number 10,943,615
- Issue date Mar 9, 2021
- Marvell Asia Pte, Ltd.
- Takahiro Inoue
- G11 - INFORMATION STORAGE
Information Patent Grant
Heat-assisted magnetic recording device capable of providing negati...
- Patent number 10,910,007
- Issue date Feb 2, 2021
- Western Digital Technologies, Inc.
- Tan Trinh
- 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
TD detection with enhanced HDIs signal
- Patent number 10,839,843
- Issue date Nov 17, 2020
- SAE Magnetics (H.K.) Ltd.
- Qinghua Zeng
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device measuring air bearing resonant frequency to cal...
- Patent number 10,783,913
- Issue date Sep 22, 2020
- Western Digital Technologies, Inc.
- Sukumar Rajauria
- G11 - INFORMATION STORAGE
Information Patent Grant
Shared MAMR and HDI sensor/driver
- Patent number 10,762,916
- Issue date Sep 1, 2020
- Headway Technologies, Inc.
- Yan Wu
- G11 - INFORMATION STORAGE
Information Patent Grant
Contact detection and laser power monitoring sensor for heat-assist...
- Patent number 10,657,998
- Issue date May 19, 2020
- Seagate Technology LLC
- James Gary Wessel
- G11 - INFORMATION STORAGE
Information Patent Grant
Surface acoustic wave-based sensing and actuation of contamination
- Patent number 10,600,438
- Issue date Mar 24, 2020
- Seagate Technology LLC
- Narayanan Ramakrishnan
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for processing multiple servo channels in magn...
- Patent number 10,510,367
- Issue date Dec 17, 2019
- Marvell International Ltd.
- Seyed Mehrdad Khatami
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head control capable of avoidance media bumps during seeki...
- Patent number 10,431,247
- Issue date Oct 1, 2019
- Kabushiki Kaisha Toshiba
- Tetsuo Kuribayashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Slider incorporating a thermocouple for detecting thermal asperities
- Patent number 10,410,663
- Issue date Sep 10, 2019
- Seagate Technology LLC
- Declan Macken
- G11 - INFORMATION STORAGE
Information Patent Grant
Oxidation resistant sensor for heat-assisted magnetic recording
- Patent number 10,366,720
- Issue date Jul 30, 2019
- Seagate Technology LLC
- Declan Macken
- G11 - INFORMATION STORAGE
Information Patent Grant
Methods, devices, and systems for establishing fly-height parameter...
- Patent number 10,311,905
- Issue date Jun 4, 2019
- Seagate Technology LLC
- ChengYi Guo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Contact detection and laser power monitoring sensor for heat-assist...
- Patent number 10,297,282
- Issue date May 21, 2019
- Seagate Technology LLC
- James Gary Wessel
- G11 - INFORMATION STORAGE
Information Patent Grant
Suspension adjacent-conductors differential-signal-coupling attenua...
- Patent number 10,283,150
- Issue date May 7, 2019
- Western Digital Technologies, Inc.
- John Contreras
- G11 - INFORMATION STORAGE
Information Patent Grant
Electrically conductive overlay for head-medium contact sensor
- Patent number 10,255,937
- Issue date Apr 9, 2019
- Seagate Technology LLC
- Gary Joseph Kunkel
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk recording device having different time interval betwe...
- Patent number 10,229,707
- Issue date Mar 12, 2019
- Kabushiki Kaisha Toshiba
- Koji Ishii
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device employing low duty cycle square wave to detect...
- Patent number 10,217,481
- Issue date Feb 26, 2019
- Western Digital Technologies, Inc.
- Shaomin Xiong
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device with high signal-to-noise ratio contact detection
- Patent number 10,147,451
- Issue date Dec 4, 2018
- Seagate Technology LLC
- Shi Jung Kim
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
MAGNETIC DISK DEVICE
- Publication number 20230074588
- Publication date Mar 9, 2023
- Kabushiki Kaisha Toshiba
- Kaori KIMURA
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK DEVICE AND CONTACT DETECTING METHOD OF THE MAGNETIC D...
- Publication number 20220246175
- Publication date Aug 4, 2022
- Kabushiki Kaisha Toshiba
- Masayuki KONDO
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK INSPECTION METHOD OF MAGNETIC DISK DEVICE AND MAGNETI...
- Publication number 20220122636
- Publication date Apr 21, 2022
- Kabushiki Kaisha Toshiba
- Toru Watanabe
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK DEVICE AND METHOD
- Publication number 20220093125
- Publication date Mar 24, 2022
- Kabushiki Kaisha Toshiba
- Yoshinari HIGASHINO
- G11 - INFORMATION STORAGE
Information Patent Application
SURFACE ACOUSTIC WAVE-BASED SENSING AND ACTUATION OF CONTAMINATION
- Publication number 20200211589
- Publication date Jul 2, 2020
- SEAGATE TECHNOLOGY LLC
- Narayanan Ramakrishnan
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
DIFFERENTIAL INTERFACE TRANSMISSION OF FLY-HEIGHT CONTROL DATA
- Publication number 20200202894
- Publication date Jun 25, 2020
- Marvell World Trade Ltd.
- Takahiro Inoue
- G11 - INFORMATION STORAGE
Information Patent Application
DOUBLE LOOP HEATER
- Publication number 20200111506
- Publication date Apr 9, 2020
- SEAGATE TECHNOLOGY LLC
- Raul Horacio Andruet
- G11 - INFORMATION STORAGE
Information Patent Application
SURFACE ACOUSTIC WAVE-BASED SENSING AND ACTUATION OF CONTAMINATION
- Publication number 20190325904
- Publication date Oct 24, 2019
- SEAGATE TECHNOLOGY LLC
- Narayanan Ramakrishnan
- G11 - INFORMATION STORAGE
Information Patent Application
READ-WRITE HEAD ASSEMBLY FOR MAGNETIC STORAGE DEVICE
- Publication number 20190244636
- Publication date Aug 8, 2019
- WESTERN DIGITAL TECHNOLOGIES, INC.
- Yuhsuke Matsumoto
- G11 - INFORMATION STORAGE
Information Patent Application
Data Storage Device with High Signal-to-Noise Ratio Contact Detection
- Publication number 20180174614
- Publication date Jun 21, 2018
- Seagate Technology LLC
- Shi Jung Kim
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK DEVICE AND CONTROL METHOD THEREOF
- Publication number 20180061444
- Publication date Mar 1, 2018
- Kabushiki Kaisha Toshiba
- Hiroaki Sato
- G11 - INFORMATION STORAGE
Information Patent Application
BOND PAD SHARING FOR POWERING MULTIPLE WRITERS OF A RECORDING HEAD
- Publication number 20180005656
- Publication date Jan 4, 2018
- SEAGATE TECHNOLOGY LLC
- Declan Macken
- G11 - INFORMATION STORAGE
Information Patent Application
HEAD TO MEDIA INTERFACE MONITORING
- Publication number 20180005657
- Publication date Jan 4, 2018
- SEAGATE TECHNOLOGY LLC
- Antanas Daugela
- G11 - INFORMATION STORAGE
Information Patent Application
Thin Film Magnetic Head, Head Gimbals Assembly, Head Arm Assembly,...
- Publication number 20170316798
- Publication date Nov 2, 2017
- TDK Corporation
- Katsuki KURIHARA
- G11 - INFORMATION STORAGE
Information Patent Application
CHARACTERIZING A SENSING CIRCUIT OF A DATA STORAGE DEVICE
- Publication number 20170294202
- Publication date Oct 12, 2017
- Western Digital Technologies, Inc.
- PAUL DYLAN SHERMAN
- G11 - INFORMATION STORAGE
Information Patent Application
HEAD-MEDIUM CONTACT DETECTION USING AN OSCILLATING ELECTROMAGNETIC...
- Publication number 20170092313
- Publication date Mar 30, 2017
- SEAGATE TECHNOLOGY LLC
- Daniel W. Olson
- G11 - INFORMATION STORAGE
Information Patent Application
TUNABLE CONTACT DETECTION SENSITIVITY TO DIRECTLY MEASURE CLEARANCE...
- Publication number 20170047089
- Publication date Feb 16, 2017
- HGST NETHERLANDS B.V.
- Sukumar RAJAURIA
- G11 - INFORMATION STORAGE
Information Patent Application
RESISTIVE TEMPERATURE SENSORS FOR IMPROVED ASPERITY, HEAD-MEDIA SPA...
- Publication number 20160372144
- Publication date Dec 22, 2016
- SEAGATE TECHNOLOGY LLC
- Manuel Charles Anaya-Dufresne
- G11 - INFORMATION STORAGE
Information Patent Application
DISK STORAGE DEVICE AND METHOD FOR CONTROLLING HEAD FLYING HEIGHT
- Publication number 20160267933
- Publication date Sep 15, 2016
- Kabushiki Kaisha Toshiba
- Shinsuke Akiya
- G11 - INFORMATION STORAGE
Information Patent Application
CONCURRENT MODULATION AND FRICTIONAL HEATING HEAD DISK CONTACT DETE...
- Publication number 20160232931
- Publication date Aug 11, 2016
- SEAGATE TECHNOLOGY LLC
- Huazhou Lou
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD OF SETTING FLYING HEIGHT AND FLYING HEIGHT SETTING DEVICE
- Publication number 20160019922
- Publication date Jan 21, 2016
- TDK Corporation
- Norikazu OTA
- G11 - INFORMATION STORAGE
Information Patent Application
WRITER CORE INCORPORATING THERMAL SENSOR HAVING A TEMPERATURE COEFF...
- Publication number 20150364148
- Publication date Dec 17, 2015
- SEAGATE TECHNOLOGY LLC
- Peng Peng
- G11 - INFORMATION STORAGE
Information Patent Application
HEAD TRANSDUCER WITH MULTIPLE RESISTANCE TEMPERATURE SENSORS FOR HE...
- Publication number 20150255102
- Publication date Sep 10, 2015
- SEAGATE TECHNOLOGY LLC
- Michael Thomas Johnson
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC HEAD FOR MICROWAVE ASSISTED MAGNETIC RECORDING
- Publication number 20150124353
- Publication date May 7, 2015
- HGST NETHERLANDS B.V.
- Kenichiro TAKAHASHI
- G11 - INFORMATION STORAGE
Information Patent Application
RECORDING HEAD WITH PIEZOELECTRIC CONTACT SENSOR
- Publication number 20150124355
- Publication date May 7, 2015
- SEAGATE TECHNOLOGY LLC
- David J. Ellison
- G11 - INFORMATION STORAGE
Information Patent Application
WRITER CORE INCORPORATING THERMAL SENSOR HAVING A TEMPERATURE COEFF...
- Publication number 20150062754
- Publication date Mar 5, 2015
- SEAGATE TECHNOLOGY LLC
- Peng Peng
- G11 - INFORMATION STORAGE
Information Patent Application
CLEARANCE SENSOR AND CIRCUITRY USING ADJUSTABLE CHANNEL PARAMETERS
- Publication number 20150003222
- Publication date Jan 1, 2015
- SEAGATE TECHNOLOGY LLC
- Housan Dakroub
- G11 - INFORMATION STORAGE
Information Patent Application
IN SITU SENSOR BASED CONTACT DETECTION
- Publication number 20140368946
- Publication date Dec 18, 2014
- Andy Chou
- G11 - INFORMATION STORAGE
Information Patent Application
HEAD TRANSDUCER WITH MULTIPLE RESISTANCE TEMPERATURE SENSORS FOR HE...
- Publication number 20140355150
- Publication date Dec 4, 2014
- Michael Thomas Johnson
- G01 - MEASURING TESTING
Information Patent Application
Hard Disk Drive With Contact Detection Using a Spin Torque Oscillator
- Publication number 20140347969
- Publication date Nov 27, 2014
- HGST NETHERLANDS B.V.
- Yasutaka Nishida
- G11 - INFORMATION STORAGE

Detecting head-disk contact

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for forming a HAMR recording head with a protruding near-fie...

Pole tip recession compensation by dual heater ratio optimization i...

Touchdown detection and write-spacing setting in magnetic recording...

Continuous dual path resistance detection for resistive temperature...

Magnetic disk device

Magnetic disk device and contact detecting method of the magnetic d...

Magnetic disk inspection method of magnetic disk device and magneti...

Touchdown detection for multiple actuators on magnetic recording de...

Heat-assisted magnetic recording head with a near-field transducer...

Protective shields under touchdown conditions for thermally assiste...

Surface acoustic wave-based sensing and actuation of contamination

Differential interface transmission of fly-height control data

Heat-assisted magnetic recording device capable of providing negati...

Magnetic head and disk device with heat actuators

TD detection with enhanced HDIs signal

Data storage device measuring air bearing resonant frequency to cal...

Shared MAMR and HDI sensor/driver

Contact detection and laser power monitoring sensor for heat-assist...

Surface acoustic wave-based sensing and actuation of contamination

Method and apparatus for processing multiple servo channels in magn...

Magnetic head control capable of avoidance media bumps during seeki...

Slider incorporating a thermocouple for detecting thermal asperities

Oxidation resistant sensor for heat-assisted magnetic recording

Methods, devices, and systems for establishing fly-height parameter...

Contact detection and laser power monitoring sensor for heat-assist...

Suspension adjacent-conductors differential-signal-coupling attenua...

Electrically conductive overlay for head-medium contact sensor

Magnetic disk recording device having different time interval betwe...

Data storage device employing low duty cycle square wave to detect...

Data storage device with high signal-to-noise ratio contact detection

Patents Applicationslast 30 patents

MAGNETIC DISK DEVICE

MAGNETIC DISK DEVICE AND CONTACT DETECTING METHOD OF THE MAGNETIC D...

MAGNETIC DISK INSPECTION METHOD OF MAGNETIC DISK DEVICE AND MAGNETI...

MAGNETIC DISK DEVICE AND METHOD

SURFACE ACOUSTIC WAVE-BASED SENSING AND ACTUATION OF CONTAMINATION

DIFFERENTIAL INTERFACE TRANSMISSION OF FLY-HEIGHT CONTROL DATA

DOUBLE LOOP HEATER

SURFACE ACOUSTIC WAVE-BASED SENSING AND ACTUATION OF CONTAMINATION

READ-WRITE HEAD ASSEMBLY FOR MAGNETIC STORAGE DEVICE

Data Storage Device with High Signal-to-Noise Ratio Contact Detection

MAGNETIC DISK DEVICE AND CONTROL METHOD THEREOF

BOND PAD SHARING FOR POWERING MULTIPLE WRITERS OF A RECORDING HEAD

HEAD TO MEDIA INTERFACE MONITORING

Thin Film Magnetic Head, Head Gimbals Assembly, Head Arm Assembly,...

CHARACTERIZING A SENSING CIRCUIT OF A DATA STORAGE DEVICE

HEAD-MEDIUM CONTACT DETECTION USING AN OSCILLATING ELECTROMAGNETIC...

TUNABLE CONTACT DETECTION SENSITIVITY TO DIRECTLY MEASURE CLEARANCE...

RESISTIVE TEMPERATURE SENSORS FOR IMPROVED ASPERITY, HEAD-MEDIA SPA...

DISK STORAGE DEVICE AND METHOD FOR CONTROLLING HEAD FLYING HEIGHT

CONCURRENT MODULATION AND FRICTIONAL HEATING HEAD DISK CONTACT DETE...

METHOD OF SETTING FLYING HEIGHT AND FLYING HEIGHT SETTING DEVICE

WRITER CORE INCORPORATING THERMAL SENSOR HAVING A TEMPERATURE COEFF...

HEAD TRANSDUCER WITH MULTIPLE RESISTANCE TEMPERATURE SENSORS FOR HE...

MAGNETIC HEAD FOR MICROWAVE ASSISTED MAGNETIC RECORDING

RECORDING HEAD WITH PIEZOELECTRIC CONTACT SENSOR

WRITER CORE INCORPORATING THERMAL SENSOR HAVING A TEMPERATURE COEFF...

CLEARANCE SENSOR AND CIRCUITRY USING ADJUSTABLE CHANNEL PARAMETERS

IN SITU SENSOR BASED CONTACT DETECTION

HEAD TRANSDUCER WITH MULTIPLE RESISTANCE TEMPERATURE SENSORS FOR HE...

Hard Disk Drive With Contact Detection Using a Spin Torque Oscillator