JP5049177B2 - 磁気記録ディスク及び磁気記録ディスクドライブ - Google Patents

磁気記録ディスク及び磁気記録ディスクドライブ Download PDF

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Publication number
JP5049177B2
JP5049177B2 JP2008087303A JP2008087303A JP5049177B2 JP 5049177 B2 JP5049177 B2 JP 5049177B2 JP 2008087303 A JP2008087303 A JP 2008087303A JP 2008087303 A JP2008087303 A JP 2008087303A JP 5049177 B2 JP5049177 B2 JP 5049177B2
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JP
Japan
Prior art keywords
servo
field
head
magnetic recording
recording disk
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Expired - Fee Related
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JP2008087303A
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English (en)
Japanese (ja)
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JP2008276911A5 (enExample
JP2008276911A (ja
Inventor
トーマス・アール・アルブレクト
ズボニミル・ズィー・バンディック
Original Assignee
エイチジーエスティーネザーランドビーブイ
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Publication of JP2008276911A5 publication Critical patent/JP2008276911A5/ja
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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G—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
    • G11B5/86—Re-recording, i.e. transcribing information from one magnetisable record carrier on to one or more similar or dissimilar record carriers
    • G11B5/865—Re-recording, i.e. transcribing information from one magnetisable record carrier on to one or more similar or dissimilar record carriers by contact "printing"
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/10—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
    • G—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
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/596—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on disks
    • G11B5/59688—Servo signal format patterns or signal processing thereof, e.g. dual, tri, quad, burst signal patterns
    • G—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
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/743—Patterned record carriers, wherein the magnetic recording layer is patterned into magnetic isolated data islands, e.g. discrete tracks
    • G—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
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/82—Disk carriers
    • G—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
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/596—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on disks
    • G11B5/59633—Servo formatting
    • G11B5/59655—Sector, sample or burst servo format

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
JP2008087303A 2007-04-26 2008-03-28 磁気記録ディスク及び磁気記録ディスクドライブ Expired - Fee Related JP5049177B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/740289 2007-04-26
US11/740,289 US7652839B2 (en) 2007-04-26 2007-04-26 Magnetic recording disk with identical servo patterns formed on each disk surface by single master template and disk drive using the disk

Publications (3)

Publication Number Publication Date
JP2008276911A JP2008276911A (ja) 2008-11-13
JP2008276911A5 JP2008276911A5 (enExample) 2011-04-14
JP5049177B2 true JP5049177B2 (ja) 2012-10-17

Family

ID=39671387

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008087303A Expired - Fee Related JP5049177B2 (ja) 2007-04-26 2008-03-28 磁気記録ディスク及び磁気記録ディスクドライブ

Country Status (9)

Country Link
US (1) US7652839B2 (enExample)
EP (1) EP1986185A1 (enExample)
JP (1) JP5049177B2 (enExample)
KR (1) KR20080096386A (enExample)
CN (1) CN101295515A (enExample)
BR (1) BRPI0803930A2 (enExample)
RU (1) RU2008116550A (enExample)
SG (1) SG147365A1 (enExample)
TW (1) TW200849225A (enExample)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4489031B2 (ja) * 2006-02-17 2010-06-23 東芝ストレージデバイス株式会社 ディスク装置補正システム、情報管理装置、原盤作製装置および原盤作製方法
US7848040B2 (en) * 2007-08-17 2010-12-07 Hitachi Global Storage Technologies Netherlands B.V. Magnetic recording disk and disk drive with amplitude-type servo fields having patterned alternating-polarity servo islands for read/write head positioning
US8422169B2 (en) 2009-12-14 2013-04-16 Seagate Technology Llc Shallow trench discrete track media (DTM) and pattern transfer process
US9311942B2 (en) * 2009-12-18 2016-04-12 HGST Netherlands B.V. Information storage device with multiple-use fields in servo pattern
US8422161B2 (en) * 2009-12-18 2013-04-16 HGST Netherlands B.V. Information storage device with multiple-use fields in servo pattern
US9384779B2 (en) 2009-12-18 2016-07-05 HGST Netherlands B.V. Information storage device with multiple-use fields in servo pattern
JP2011165300A (ja) * 2010-01-12 2011-08-25 Fujifilm Corp 磁気記録媒体、該磁気記録媒体を備えた磁気記録装置および転写用担体
JP5553621B2 (ja) * 2010-01-25 2014-07-16 サムスン電機ジャパンアドバンスドテクノロジー株式会社 ディスク駆動装置
US8477442B2 (en) 2010-05-11 2013-07-02 HGST Netherlands B.V. Patterned media for self-servowriting integrated servo fields
US8363348B2 (en) 2010-10-07 2013-01-29 HGST Netherlands B.V. Patterned media with structured PES servo segments encoding local track position
US8335047B2 (en) 2010-10-07 2012-12-18 HGST Netherlands B.V. Patterned media with offset PES servo segments with length encoded track position
US8670207B2 (en) 2011-07-06 2014-03-11 HGST Netherlands B.V. Servo pattern compatible with planarization constraints of patterned media and use of a single master template
US8625219B2 (en) * 2011-07-06 2014-01-07 HGST Netherlands B.V. Patterned media with an alternating series of concentric servo zones and overlap zones
US8743496B2 (en) 2011-07-06 2014-06-03 HGST Netherlands B.V. Servo pattern compatible with planarization constraints of patterned media and use of a single master template
US8619379B2 (en) * 2011-07-06 2013-12-31 HGST Netherlands B.V. Patterned media with an alternating series of concentric servo zones and overlap zones
US8630051B2 (en) 2011-07-06 2014-01-14 HGST Netherlands B.V. Patterned media with an alternating series of concentric servo zones and overlap zones
US8531794B2 (en) 2011-07-06 2013-09-10 HGST Netherlands, B.V. Patterned media with an alternating series of concentric servo zones and overlap zones
US12100431B1 (en) * 2023-10-26 2024-09-24 Western Digital Technologies, Inc. Data storage device with symmetric split burst servo pattern
US12277957B1 (en) 2023-11-02 2025-04-15 Western Digital Technologies, Inc. Data storage device with embedded mode hop predictor patterns

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4912585A (en) * 1988-04-28 1990-03-27 International Business Machines Corporation Discrete track thin film magnetic recording disk with embedded servo information
JP3344495B2 (ja) * 1993-03-04 2002-11-11 ソニー株式会社 磁気ディスク装置
US5689384A (en) * 1994-06-30 1997-11-18 International Business Machines Corporation Timing based servo system for magnetic tape systems
TW342495B (en) * 1996-07-22 1998-10-11 Matsushita Electric Industrial Co Ltd Master information carrier, method of producing the same, and method for recording master information signal on magnetic recording medium
JPH1050013A (ja) * 1996-08-02 1998-02-20 Fujitsu Ltd ディスク装置のオフトラック補正方法
US5930065A (en) * 1997-05-16 1999-07-27 International Business Machines Corporation Timing based servo longitudinal addressing
US5923272A (en) * 1997-07-08 1999-07-13 International Business Machines Corporation Serial bitstream code for timing-based servo
US6018512A (en) * 1997-11-18 2000-01-25 Seagate Technology, Inc. System and method of encoding for identifying a given surface among several identically patterned disk surfaces
US6433944B1 (en) * 1998-09-25 2002-08-13 Fuji Photo Film Co., Ltd. Master carrier for magnetic transfer and method for transfer
US6538835B1 (en) * 1999-02-22 2003-03-25 Seagate Technology Llc Position signal distortion compensation during a disc drive seek
US6754032B1 (en) * 1999-10-22 2004-06-22 Seagate Tech. Llc Method and system for radial and circumferential alignment of data tracks on patterned media
JP2003007011A (ja) * 2001-06-21 2003-01-10 Hitachi Ltd 磁気ディスク装置
US6798590B2 (en) * 2002-01-22 2004-09-28 Hitachi Global Storage Technologies Netherlands B.V. Method for contact magnetic transfer of servo pattern to hard magnetic recording disk
US7027246B2 (en) * 2002-05-09 2006-04-11 Maxtor Corporation Method for servo pattern application on single-side processed disks in a merged state
JP2004213700A (ja) * 2002-11-15 2004-07-29 Fuji Electric Device Technology Co Ltd 磁気記録媒体用マスタディスクならびに位置決め装置および方法
US7511912B2 (en) * 2002-11-22 2009-03-31 Seagate Technology Llc Writing multiple servo sector patterns to improve servo sector alignment on multiple surfaces
US6791774B1 (en) * 2003-05-12 2004-09-14 Hitachi Global Storage Technologies Netherlands B.V. Contact magnetic transfer of servo pattern to rigid perpendicular magnetic recording disk
US7092183B2 (en) * 2003-12-10 2006-08-15 Matsushita Electric Industrial Co., Ltd. Template pattern for improving printed media self-servo writing
JP2006031848A (ja) * 2004-07-16 2006-02-02 Toshiba Corp 磁気ディスクおよびこれを備えた磁気ディスク装置
JP2006031856A (ja) * 2004-07-16 2006-02-02 Toshiba Corp 垂直磁気記録用のパターンドディスク媒体及び同媒体を搭載した磁気ディスクドライブ
US7046476B1 (en) * 2005-01-10 2006-05-16 Hitachi Global Storage Technologies Method apparatus and system for accessing discontinuous media tracks
JP2006318581A (ja) * 2005-05-13 2006-11-24 Tdk Corp 情報記録媒体、記録再生装置およびスタンパー
US7236325B2 (en) * 2005-06-09 2007-06-26 Hitachi Global Storage Technologies Netherlands B.V. Method for formatting a magnetic recording disk with patterned nondata islands of alternating polarity

Also Published As

Publication number Publication date
US7652839B2 (en) 2010-01-26
JP2008276911A (ja) 2008-11-13
CN101295515A (zh) 2008-10-29
US20080266701A1 (en) 2008-10-30
SG147365A1 (en) 2008-11-28
KR20080096386A (ko) 2008-10-30
EP1986185A1 (en) 2008-10-29
BRPI0803930A2 (pt) 2009-06-02
TW200849225A (en) 2008-12-16
RU2008116550A (ru) 2009-10-27

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