Self servo writing

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CPC
G11B5/59666

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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

G11B5/59666Self servo writing

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Data storage device read/write channel with direct radial position...
- Patent number 12,046,256
- Issue date Jul 23, 2024
- Western Digital Technologies, Inc.
- Satoshi Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Energy-assisted magnetic recording data storage device with assisti...
- Patent number 12,046,266
- Issue date Jul 23, 2024
- Western Digital Technologies, Inc.
- Guoxiao Guo
- G11 - INFORMATION STORAGE
Information Patent Grant
Servo controller blending
- Patent number 11,948,613
- Issue date Apr 2, 2024
- Seagate Technology LLC
- Chan Fan Lau
- G11 - INFORMATION STORAGE
Information Patent Grant
Determining absolute position on HDD spiral patterns using dual TDM...
- Patent number 11,942,122
- Issue date Mar 26, 2024
- Kabushiki Kaisha Toshiba
- Gary W. Calfee
- G11 - INFORMATION STORAGE
Information Patent Grant
Dual-surface RRO write in a storage device servo system
- Patent number 11,935,571
- Issue date Mar 19, 2024
- MARVELL ASIA PTE. LTD.
- Supaket Katchmart
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device and servo pattern write method
- Patent number 11,869,554
- Issue date Jan 9, 2024
- Kabushiki Kaisha Toshiba
- Toshitaka Matsunaga
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device and method of writing spiral patterns
- Patent number 11,735,215
- Issue date Aug 22, 2023
- Kabushiki Kaisha Toshiba
- Satoshi Kuwahara
- G11 - INFORMATION STORAGE
Information Patent Grant
Manufacturing method of magnetic disk device and magnetic disk device
- Patent number 11,705,154
- Issue date Jul 18, 2023
- Kabushiki Kaisha Toshiba
- Takahiro Magome
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device seeking multiple actuators to improve performance
- Patent number 11,657,843
- Issue date May 23, 2023
- Western Digital Technologies, Inc.
- Kexiu Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Gain scheduled controller to handle unpredictable disturbances duri...
- Patent number 11,574,650
- Issue date Feb 7, 2023
- Kabushiki Kaisha Toshiba
- Jiangang Liang
- G11 - INFORMATION STORAGE
Information Patent Grant
Dual-surface RRO write in a storage device servo system
- Patent number 11,557,320
- Issue date Jan 17, 2023
- MARVELL ASIA PTE. LTD.
- Supaket Katchmart
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device with history dependent write boost
- Patent number 11,482,247
- Issue date Oct 25, 2022
- Western Digital Technologies, Inc.
- Guoxiao Guo
- 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
Data storage device using windowed delta-sigma analog-to-digital co...
- Patent number 11,373,678
- Issue date Jun 28, 2022
- Western Digital Technologies, Inc.
- Jaesoo Byoun
- G11 - INFORMATION STORAGE
Information Patent Grant
Data path dynamic range optimization
- Patent number 11,361,788
- Issue date Jun 14, 2022
- Seagate Technology LLC
- Jason Bellorado
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data storage device seeking multiple actuators to improve performance
- Patent number 11,257,517
- Issue date Feb 22, 2022
- Western Digital Technologies, Inc.
- Kexiu Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Parallel micro-actuator SSW writing
- Patent number 11,227,631
- Issue date Jan 18, 2022
- Kabushiki Kaisha Toshiba
- Thorsten Schmidt
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording device, control device, recording method, recording tape...
- Patent number 11,183,208
- Issue date Nov 23, 2021
- FUJIFILM Corporation
- Yoichi Akano
- G11 - INFORMATION STORAGE
Information Patent Grant
Unified time base for self-servo-write operation
- Patent number 11,087,788
- Issue date Aug 10, 2021
- Marvell Asia Pte, Ltd.
- Supaket Katchmart
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device configured with manufacture PCB for concurrent...
- Patent number 10,950,265
- Issue date Mar 16, 2021
- Western Digital Technologies, Inc.
- Junzo Noda
- G11 - INFORMATION STORAGE
Information Patent Grant
Device and method for recording information regarding servo signals
- Patent number 10,896,691
- Issue date Jan 19, 2021
- FUJIFILM Corporation
- Yoichi Akano
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device comprising dual channel preamp circuit
- Patent number 10,896,695
- Issue date Jan 19, 2021
- Western Digital Technologies, Inc.
- Junzo Noda
- G11 - INFORMATION STORAGE
Information Patent Grant
Zone self servo writing with synchronized parallel clocks
- Patent number 10,832,716
- Issue date Nov 10, 2020
- Marvell Asia Pte, Ltd.
- Supaket Katchmart
- G11 - INFORMATION STORAGE
Information Patent Grant
Servo zone transition optimization for disk drives
- Patent number 10,777,224
- Issue date Sep 15, 2020
- Seagate Technology LLC
- Timothy Francis Ellis
- G11 - INFORMATION STORAGE
Information Patent Grant
Multi-signal realignment for changing sampling clock
- Patent number 10,755,734
- Issue date Aug 25, 2020
- Seagate Technology LLC
- Jason Bellorado
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Magnetic disk device and method for demodulating servo demodulation...
- Patent number 10,748,569
- Issue date Aug 18, 2020
- Kabushiki Kaisha Toshiba
- Takuya Ogawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Approximated parameter adaptation
- Patent number 10,714,134
- Issue date Jul 14, 2020
- Seagate Technology LLC
- Marcus Marrow
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Hybrid timing recovery
- Patent number 10,665,256
- Issue date May 26, 2020
- Seagate Technology LLC
- Jason Bellorado
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Parallel micro-actuator SSW writing
- Patent number 10,665,257
- Issue date May 26, 2020
- Kabushiki Kaisha Toshiba
- Thorsten Schmidt
- G11 - INFORMATION STORAGE
Information Patent Grant
Servo zone transition optimization for magnetic disk recording devices
- Patent number 10,438,620
- Issue date Oct 8, 2019
- Seagate Technology LLC
- Timothy Francis Ellis
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
DATA STORAGE DEVICE READ/WRITE CHANNEL WITH DIRECT RADIAL POSITION...
- Publication number 20240233761
- Publication date Jul 11, 2024
- Western Digital Technologies, Inc.
- Satoshi Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Application
DATA STORAGE DEVICE READ/WRITE CHANNEL WITH DIRECT RADIAL POSITION...
- Publication number 20240135968
- Publication date Apr 25, 2024
- Western Digital Technologies, Inc.
- Satoshi Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Application
SERVO CONTROLLER BLENDING
- Publication number 20230410842
- Publication date Dec 21, 2023
- SEAGATE TECHNOLOGY LLC
- Chan Fan Lau
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK DEVICE AND SERVO PATTERN WRITE METHOD
- Publication number 20230290374
- Publication date Sep 14, 2023
- Kabushiki Kaisha Toshiba
- Toshitaka MATSUNAGA
- G11 - INFORMATION STORAGE
Information Patent Application
MANUFACTURING METHOD OF MAGNETIC DISK DEVICE AND MAGNETIC DISK DEVICE
- Publication number 20230088258
- Publication date Mar 23, 2023
- Kabushiki Kaisha Toshiba
- Takahiro MAGOME
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK DEVICE AND METHOD OF WRITING SPIRAL PATTERNS
- Publication number 20230084200
- Publication date Mar 16, 2023
- Kabushiki Kaisha Toshiba
- Satoshi KUWAHARA
- G11 - INFORMATION STORAGE
Information Patent Application
Data Storage Device Seeking Multiple Actuators To Improve Performance
- Publication number 20220399038
- Publication date Dec 15, 2022
- Western Digital Technologies, Inc.
- Kexiu LIU
- G11 - INFORMATION STORAGE
Information Patent Application
DATA STORAGE DEVICE WITH HISTORY DEPENDENT WRITE BOOST
- Publication number 20220246173
- Publication date Aug 4, 2022
- Western Digital Technologies, Inc.
- Guoxiao Guo
- 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
DATA STORAGE DEVICE USING WINDOWED DELTA-SIGMA ANALOG-TO-DIGITAL CO...
- Publication number 20220084548
- Publication date Mar 17, 2022
- Western Digital Technologies, Inc.
- Jaesoo Byoun
- G11 - INFORMATION STORAGE
Information Patent Application
PARALLEL MICRO-ACTUATOR SSW WRITING
- Publication number 20200286513
- Publication date Sep 10, 2020
- Kabushiki Kaisha Toshiba
- Thorsten SCHMIDT
- G11 - INFORMATION STORAGE
Information Patent Application
ZONE SELF SERVO WRITING WITH SYNCHRONIZED PARALLEL CLOCKS
- Publication number 20200202893
- Publication date Jun 25, 2020
- Marvell World Trade Ltd.
- Supaket Katchmart
- G11 - INFORMATION STORAGE
Information Patent Application
MULTI-SIGNAL REALIGNMENT FOR CHANGING SAMPLING CLOCK
- Publication number 20200005819
- Publication date Jan 2, 2020
- SEAGATE TECHNOLOGY LLC
- Jason Bellorado
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SERVO ZONE TRANSITION OPTIMIZATION
- Publication number 20190385640
- Publication date Dec 19, 2019
- SEAGATE TECHNOLOGY LLC
- Timothy Francis ELLIS
- G11 - INFORMATION STORAGE
Information Patent Application
PARALLEL MICRO-ACTUATOR SSW WRITING
- Publication number 20190279675
- Publication date Sep 12, 2019
- Kabushiki Kaisha Toshiba
- Thorsten SCHMIDT
- G11 - INFORMATION STORAGE
Information Patent Application
ACCURATE REPEATABLE RUNOUT COMPENSATION IN DISK DRIVES DURING SEEKS
- Publication number 20180114540
- Publication date Apr 26, 2018
- Kabushiki Kaisha Toshiba
- Gabor SZITA
- G11 - INFORMATION STORAGE
Information Patent Application
Self-Servo Write Non-Reference Head Position Measuring
- Publication number 20160358621
- Publication date Dec 8, 2016
- HGST NETHERLANDS B.V.
- James B. French
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK DEVICE, CONTROL METHOD, AND MANUFACTURING METHOD OF M...
- Publication number 20160351220
- Publication date Dec 1, 2016
- Kabushiki Kaisha Toshiba
- Satoshi Shibata
- G11 - INFORMATION STORAGE
Information Patent Application
WRITING SPIRALS WITH ACCURATE SLOPE ON A DISK DRIVE MEDIA
- Publication number 20160293191
- Publication date Oct 6, 2016
- Kabushiki Kaisha Toshiba
- Gabor SZITA
- G11 - INFORMATION STORAGE
Information Patent Application
SPIRAL WRITE LAUNCH WHILE SERVOING ON REFERENCE GUIDE SPIRALS
- Publication number 20160293192
- Publication date Oct 6, 2016
- Kabushiki Kaisha Toshiba
- Jiangang LIANG
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC DISK, METHOD OF TRACK FOLLOWING ON A MAGNETIC DISK AND MET...
- Publication number 20160232929
- Publication date Aug 11, 2016
- Marvell International Ltd.
- Zhimin YUAN
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD AND APPARATUS FOR WRITING SERVO INFORMATION ON A RECORDING M...
- Publication number 20150380034
- Publication date Dec 31, 2015
- Marvell International Ltd.
- Chiew Leong Wong
- G11 - INFORMATION STORAGE
Information Patent Application
CLOCK ACCURACY DETERMINING METHOD AND CLOCK ACCURACY DETERMINING DE...
- Publication number 20150243312
- Publication date Aug 27, 2015
- Kabushiki Kaisha Toshiba
- Yutaka Yoshida
- G11 - INFORMATION STORAGE
Information Patent Application
CALIBRATION OF RAMP LOCATION IN A DISK DRIVE EMPLOYING SPIRAL-BASED...
- Publication number 20140226227
- Publication date Aug 14, 2014
- Kabushiki Kaisha Toshiba
- Gabor SZITA
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD AND SYSTEM FOR READING FROM OR WRITING TO MULTIPLE SURFACES...
- Publication number 20140049854
- Publication date Feb 20, 2014
- Marvell World Trade Ltd.
- Son Hong Ho
- G11 - INFORMATION STORAGE
Information Patent Application
SERVO CONTROL IN A PATTERNED-MEDIA MAGNETIC RECORDING DISK DRIVE US...
- Publication number 20130329315
- Publication date Dec 12, 2013
- Thomas R. Albrecht
- G11 - INFORMATION STORAGE
Information Patent Application
Multi-Layer Recording Lamination for Solid Immersion Mirror Servo T...
- Publication number 20130265860
- Publication date Oct 10, 2013
- SEAGATE TECHNOLOGY LLC
- Edward Charles Gage
- G11 - INFORMATION STORAGE
Information Patent Application
DISK STORAGE APPARATUS AND METHOD OF WRITING SERVO PATTERNS
- Publication number 20130250452
- Publication date Sep 26, 2013
- Kabushiki Kaisha Toshiba
- Makoto Asakura
- G11 - INFORMATION STORAGE
Information Patent Application
DISK DRIVE WRITING SPIRAL TRACKS ON A SLAVE SURFACE USING REPEATABL...
- Publication number 20130038959
- Publication date Feb 14, 2013
- WESTERN DIGITAL TECHNOLOGIES, INC.
- JIANGANG LIANG
- G11 - INFORMATION STORAGE
Information Patent Application
MULTI-DIRECTIONAL SELF SERVO-WRITING FOR A DISK DRIVE
- Publication number 20130033783
- Publication date Feb 7, 2013
- Kabushiki Kaisha Toshiba
- Anton Gerasimov
- G11 - INFORMATION STORAGE

Self servo writing

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Data storage device read/write channel with direct radial position...

Energy-assisted magnetic recording data storage device with assisti...

Servo controller blending

Determining absolute position on HDD spiral patterns using dual TDM...

Dual-surface RRO write in a storage device servo system

Magnetic disk device and servo pattern write method

Magnetic disk device and method of writing spiral patterns

Manufacturing method of magnetic disk device and magnetic disk device

Data storage device seeking multiple actuators to improve performance

Gain scheduled controller to handle unpredictable disturbances duri...

Dual-surface RRO write in a storage device servo system

Data storage device with history dependent write boost

Restriction of suspension dimple contact point

Data storage device using windowed delta-sigma analog-to-digital co...

Data path dynamic range optimization

Data storage device seeking multiple actuators to improve performance

Parallel micro-actuator SSW writing

Recording device, control device, recording method, recording tape...

Unified time base for self-servo-write operation

Data storage device configured with manufacture PCB for concurrent...

Device and method for recording information regarding servo signals

Data storage device comprising dual channel preamp circuit

Zone self servo writing with synchronized parallel clocks

Servo zone transition optimization for disk drives

Multi-signal realignment for changing sampling clock

Magnetic disk device and method for demodulating servo demodulation...

Approximated parameter adaptation

Hybrid timing recovery

Parallel micro-actuator SSW writing

Servo zone transition optimization for magnetic disk recording devices

Patents Applicationslast 30 patents

DATA STORAGE DEVICE READ/WRITE CHANNEL WITH DIRECT RADIAL POSITION...

DATA STORAGE DEVICE READ/WRITE CHANNEL WITH DIRECT RADIAL POSITION...

SERVO CONTROLLER BLENDING

MAGNETIC DISK DEVICE AND SERVO PATTERN WRITE METHOD

MANUFACTURING METHOD OF MAGNETIC DISK DEVICE AND MAGNETIC DISK DEVICE

MAGNETIC DISK DEVICE AND METHOD OF WRITING SPIRAL PATTERNS

Data Storage Device Seeking Multiple Actuators To Improve Performance

DATA STORAGE DEVICE WITH HISTORY DEPENDENT WRITE BOOST

RESTRICTION OF SUSPENSION DIMPLE CONTACT POINT

DATA STORAGE DEVICE USING WINDOWED DELTA-SIGMA ANALOG-TO-DIGITAL CO...

PARALLEL MICRO-ACTUATOR SSW WRITING

ZONE SELF SERVO WRITING WITH SYNCHRONIZED PARALLEL CLOCKS

MULTI-SIGNAL REALIGNMENT FOR CHANGING SAMPLING CLOCK

SERVO ZONE TRANSITION OPTIMIZATION

PARALLEL MICRO-ACTUATOR SSW WRITING

ACCURATE REPEATABLE RUNOUT COMPENSATION IN DISK DRIVES DURING SEEKS

Self-Servo Write Non-Reference Head Position Measuring

MAGNETIC DISK DEVICE, CONTROL METHOD, AND MANUFACTURING METHOD OF M...

WRITING SPIRALS WITH ACCURATE SLOPE ON A DISK DRIVE MEDIA

SPIRAL WRITE LAUNCH WHILE SERVOING ON REFERENCE GUIDE SPIRALS

MAGNETIC DISK, METHOD OF TRACK FOLLOWING ON A MAGNETIC DISK AND MET...

METHOD AND APPARATUS FOR WRITING SERVO INFORMATION ON A RECORDING M...

CLOCK ACCURACY DETERMINING METHOD AND CLOCK ACCURACY DETERMINING DE...

CALIBRATION OF RAMP LOCATION IN A DISK DRIVE EMPLOYING SPIRAL-BASED...

METHOD AND SYSTEM FOR READING FROM OR WRITING TO MULTIPLE SURFACES...

SERVO CONTROL IN A PATTERNED-MEDIA MAGNETIC RECORDING DISK DRIVE US...

Multi-Layer Recording Lamination for Solid Immersion Mirror Servo T...

DISK STORAGE APPARATUS AND METHOD OF WRITING SERVO PATTERNS

DISK DRIVE WRITING SPIRAL TRACKS ON A SLAVE SURFACE USING REPEATABL...

MULTI-DIRECTIONAL SELF SERVO-WRITING FOR A DISK DRIVE