Spiral servo format

Industry

CPC
G11B5/59661

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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

G11B5/59661Spiral servo format

Industries

Patents Grantslast 30 patents

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
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
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
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
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
Data storage device self-servo writing by compensating for corrupte...
- Patent number 11,532,326
- Issue date Dec 20, 2022
- Western Digital Technologies, Inc.
- Jason H. Laks
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device and servo write method
- Patent number 11,127,427
- Issue date Sep 21, 2021
- Kabushiki Kaisha Toshiba
- Satoshi Yamashita
- 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
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
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
Information Patent Grant
Spiral-based self-servo-write on single disk surface
- Patent number 10,074,391
- Issue date Sep 11, 2018
- Kabushiki Kaisha Toshiba
- Zhi Wang
- G11 - INFORMATION STORAGE
Information Patent Grant
Techniques for clearly distinguishing between neighboring spirals i...
- Patent number 10,074,392
- Issue date Sep 11, 2018
- Kabushiki Kaisha Toshiba
- Anton Gerasimov
- G11 - INFORMATION STORAGE
Information Patent Grant
Self-servo-write systems for detecting interference caused by pre-w...
- Patent number 10,068,589
- Issue date Sep 4, 2018
- Marvell International Ltd.
- Supaket Katchmart
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device employing upsampling to compensate for high fre...
- Patent number 9,997,185
- Issue date Jun 12, 2018
- Western Digital Technologies, Inc.
- Hiroshi Uchida
- G11 - INFORMATION STORAGE
Information Patent Grant
Accurate repeatable runout compensation in disk drives during seeks
- Patent number 9,953,672
- Issue date Apr 24, 2018
- Kabushiki Kaisha Toshiba
- Gabor Szita
- G11 - INFORMATION STORAGE
Information Patent Grant
Calibration spiral to improve guide spiral placement
- Patent number 9,947,356
- Issue date Apr 17, 2018
- Kabushiki Kaisha Toshiba
- Richard Oswald
- G11 - INFORMATION STORAGE
Information Patent Grant
Single surface in-drive erase
- Patent number 9,865,290
- Issue date Jan 9, 2018
- Kabushiki Kaisha Toshiba
- Jiangang Liang
- G11 - INFORMATION STORAGE
Information Patent Grant
Spiral write launch while servoing on reference guide spirals
- Patent number 9,824,708
- Issue date Nov 21, 2017
- Kabushiki Kaisha Toshiba
- Jiangang Liang
- G11 - INFORMATION STORAGE
Information Patent Grant
Writing spirals with accurate slope on a disk drive media
- Patent number 9,691,421
- Issue date Jun 27, 2017
- Kabushiki Kaisha Toshiba
- Gabor Szita
- G11 - INFORMATION STORAGE
Information Patent Grant
Virtual window mode for guide spiral servo demodulation
- Patent number 9,640,210
- Issue date May 2, 2017
- Kabushiki Kaisha Toshiba
- Jiangang Liang
- G11 - INFORMATION STORAGE
Information Patent Grant
Locking a disk-locked clock using timestamps of successive servo ad...
- Patent number 9,280,995
- Issue date Mar 8, 2016
- Avago Technologies General IP (Singapore) Pte. Ltd.
- Xiangdong Fan
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device measuring reader/writer offset by reading spira...
- Patent number 9,245,560
- Issue date Jan 26, 2016
- Western Digital Technologies, Inc.
- Jianbin Nie
- G11 - INFORMATION STORAGE
Information Patent Grant
Data storage device attenuating interference from first spiral trac...
- Patent number 9,208,810
- Issue date Dec 8, 2015
- Western Digital Technologies, Inc.
- Jianbin Nie
- G11 - INFORMATION STORAGE
Information Patent Grant
Servo pattern by microwave assisted magnetic recording, perpendicul...
- Patent number 9,159,360
- Issue date Oct 13, 2015
- Hitachi, Ltd.
- Yoshihiro Shiroishi
- G11 - INFORMATION STORAGE
Information Patent Grant
Ammonite servo reference pattern writing for heat-assisted magnetic...
- Patent number 9,093,097
- Issue date Jul 28, 2015
- Seagate Technology LLC
- ChungWoo Lee
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus enabling writing servo data when disk reaches target rota...
- Patent number 9,076,472
- Issue date Jul 7, 2015
- Western Digital (Fremont), LLC
- Paul Dylan Sherman
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive writing radial offset spiral servo tracks by reading spi...
- Patent number 9,076,490
- Issue date Jul 7, 2015
- Western Digital Technologies, Inc.
- Jianbin Nie
- G11 - INFORMATION STORAGE
Information Patent Grant
Writable servo overlap zones
- Patent number 9,070,411
- Issue date Jun 30, 2015
- Seagate Technology LLC
- Timothy Ellis
- G11 - INFORMATION STORAGE
Information Patent Grant
Spiral band end detection
- Patent number 9,064,517
- Issue date Jun 23, 2015
- Marvell International Ltd.
- Perry Neos
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

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 SERVO WRITE METHOD
- Publication number 20210295867
- Publication date Sep 23, 2021
- Kabushiki Kaisha Toshiba
- Satoshi YAMASHITA
- 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
SERVO ZONE TRANSITION OPTIMIZATION
- Publication number 20190385640
- Publication date Dec 19, 2019
- SEAGATE TECHNOLOGY LLC
- Timothy Francis ELLIS
- G11 - INFORMATION STORAGE
Information Patent Application
TECHNIQUES FOR CLEARLY DISTINGUISHING BETWEEN NEIGHBORING SPIRALS I...
- Publication number 20180261244
- Publication date Sep 13, 2018
- Kabushiki Kaisha Toshiba
- Anton Gerasimov
- G11 - INFORMATION STORAGE
Information Patent Application
SPIRAL-BASED SELF-SERVO-WRITE ON SINGLE DISK SURFACE
- Publication number 20180261243
- Publication date Sep 13, 2018
- Kabushiki Kaisha Toshiba
- Zhi WANG
- 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
VIRTUAL WINDOW MODE FOR GUIDE SPIRAL SERVO DEMODULATION
- Publication number 20170140783
- Publication date May 18, 2017
- Kabushiki Kaisha Toshiba
- Jiangang LIANG
- 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
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
SERVO PATTERN BY MICROWAVE ASSISTED MAGNETIC RECORDING, PERPENDICUL...
- Publication number 20130279039
- Publication date Oct 24, 2013
- HITACHI., LTD.
- Yoshihiro SHIROISHI
- 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
TRACK PITCH VARIATION MEASUREMENT METHOD USING SPIRAL DC PATTERN WR...
- Publication number 20130033778
- Publication date Feb 7, 2013
- Hitachi Global Storage Technologies Netherlands B.V.
- Mao Nishiyama
- G11 - INFORMATION STORAGE
Information Patent Application
SELF-SERVO WRITER WITH ITERATIVE LEARNING CONTROL MECHANISM AND MET...
- Publication number 20120229930
- Publication date Sep 13, 2012
- Samsung Electronics Co., Ltd.
- Zhi Wang
- G11 - INFORMATION STORAGE
Information Patent Application
STORAGE DEVICE AND INFORMATION CORRECTION METHOD
- Publication number 20120155238
- Publication date Jun 21, 2012
- Kabushiki Kaisha Toshiba
- Yoshinari Higashino
- G11 - INFORMATION STORAGE
Information Patent Application
Systems and Methods for Spiral Waveform Detection
- Publication number 20120134043
- Publication date May 31, 2012
- LSI CORPORATION
- Viswanath Annampedu
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC RECORDING MEDIUM AND DISK DEVICE
- Publication number 20110317299
- Publication date Dec 29, 2011
- Kabushiki Kaisha Toshiba
- Yusuke KUBOTA
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD OF SERVO SPIRAL SWITCHING DURING SELF SERVO-WRITE FOR A DISK...
- Publication number 20110176400
- Publication date Jul 21, 2011
- Anton L. GERASIMOV
- G11 - INFORMATION STORAGE
Information Patent Application
MASTER DISK FOR MAGNETIC TRANSFER, A METHOD OF DRAWING A MAGNETIC T...
- Publication number 20110096429
- Publication date Apr 28, 2011
- Fuji Electric Device Technology Co., LTD.
- Hiroto Kikuchi
- G11 - INFORMATION STORAGE
Information Patent Application
SERVO PATTERN WRITING METHOD, CONTROL CIRCUIT, AND MAGNETIC DISK AP...
- Publication number 20110026160
- Publication date Feb 3, 2011
- TOSHIBA STORAGE DEVICE CORPORATION
- Nobuyuki Suzuki
- G11 - INFORMATION STORAGE
Information Patent Application
SERVO PATTERN WRITING METHOD OF HARD DISK DRIVE
- Publication number 20100265614
- Publication date Oct 21, 2010
- Samsung Electronics Co., Ltd.
- Ha Yong KIM
- G11 - INFORMATION STORAGE
Information Patent Application
Methods and Systems for Estimating Time Corresponding to Peak Signa...
- Publication number 20100232046
- Publication date Sep 16, 2010
- Agere Systems Inc.
- Viswanath Annampedu
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD OF POSITIONING ELECTROMAGNETIC CONVERSION ELEMENT
- Publication number 20100123968
- Publication date May 20, 2010
- FUJITSU LIMITED
- Yutaka Yoshida
- G11 - INFORMATION STORAGE
Information Patent Application
INFORMATION STORAGE APPARATUS, SERVO PATTERN FORMATION CONTROL APPA...
- Publication number 20100123972
- Publication date May 20, 2010
- Fujitsu Limited
- Yoshinari Higashino
- G11 - INFORMATION STORAGE

Spiral servo format

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

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

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

Magnetic disk device and servo pattern write method

Manufacturing method of magnetic disk device and magnetic disk device

Gain scheduled controller to handle unpredictable disturbances duri...

Data storage device self-servo writing by compensating for corrupte...

Magnetic disk device and servo write method

Unified time base for self-servo-write operation

Zone self servo writing with synchronized parallel clocks

Servo zone transition optimization for disk drives

Servo zone transition optimization for magnetic disk recording devices

Spiral-based self-servo-write on single disk surface

Techniques for clearly distinguishing between neighboring spirals i...

Self-servo-write systems for detecting interference caused by pre-w...

Data storage device employing upsampling to compensate for high fre...

Accurate repeatable runout compensation in disk drives during seeks

Calibration spiral to improve guide spiral placement

Single surface in-drive erase

Spiral write launch while servoing on reference guide spirals

Writing spirals with accurate slope on a disk drive media

Virtual window mode for guide spiral servo demodulation

Locking a disk-locked clock using timestamps of successive servo ad...

Data storage device measuring reader/writer offset by reading spira...

Data storage device attenuating interference from first spiral trac...

Servo pattern by microwave assisted magnetic recording, perpendicul...

Ammonite servo reference pattern writing for heat-assisted magnetic...

Apparatus enabling writing servo data when disk reaches target rota...

Disk drive writing radial offset spiral servo tracks by reading spi...

Writable servo overlap zones

Spiral band end detection

Patents Applicationslast 30 patents

MAGNETIC DISK DEVICE AND SERVO PATTERN WRITE METHOD

MANUFACTURING METHOD OF MAGNETIC DISK DEVICE AND MAGNETIC DISK DEVICE

MAGNETIC DISK DEVICE AND SERVO WRITE METHOD

ZONE SELF SERVO WRITING WITH SYNCHRONIZED PARALLEL CLOCKS

SERVO ZONE TRANSITION OPTIMIZATION

TECHNIQUES FOR CLEARLY DISTINGUISHING BETWEEN NEIGHBORING SPIRALS I...

SPIRAL-BASED SELF-SERVO-WRITE ON SINGLE DISK SURFACE

ACCURATE REPEATABLE RUNOUT COMPENSATION IN DISK DRIVES DURING SEEKS

VIRTUAL WINDOW MODE FOR GUIDE SPIRAL SERVO DEMODULATION

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

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

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

SERVO PATTERN BY MICROWAVE ASSISTED MAGNETIC RECORDING, PERPENDICUL...

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...

TRACK PITCH VARIATION MEASUREMENT METHOD USING SPIRAL DC PATTERN WR...

SELF-SERVO WRITER WITH ITERATIVE LEARNING CONTROL MECHANISM AND MET...

STORAGE DEVICE AND INFORMATION CORRECTION METHOD

Systems and Methods for Spiral Waveform Detection

MAGNETIC RECORDING MEDIUM AND DISK DEVICE

METHOD OF SERVO SPIRAL SWITCHING DURING SELF SERVO-WRITE FOR A DISK...

MASTER DISK FOR MAGNETIC TRANSFER, A METHOD OF DRAWING A MAGNETIC T...

SERVO PATTERN WRITING METHOD, CONTROL CIRCUIT, AND MAGNETIC DISK AP...

SERVO PATTERN WRITING METHOD OF HARD DISK DRIVE

Methods and Systems for Estimating Time Corresponding to Peak Signa...

METHOD OF POSITIONING ELECTROMAGNETIC CONVERSION ELEMENT

INFORMATION STORAGE APPARATUS, SERVO PATTERN FORMATION CONTROL APPA...