SG147365A1 - Magnetic recording disk with identical servo patterns formed on each disk surface by single master template and disk drive using the disk - Google Patents

Magnetic recording disk with identical servo patterns formed on each disk surface by single master template and disk drive using the disk

Info

Publication number
SG147365A1
SG147365A1 SG200801864-0A SG2008018640A SG147365A1 SG 147365 A1 SG147365 A1 SG 147365A1 SG 2008018640 A SG2008018640 A SG 2008018640A SG 147365 A1 SG147365 A1 SG 147365A1
Authority
SG
Singapore
Prior art keywords
disk
servo
magnetic recording
single master
master template
Prior art date
Application number
SG200801864-0A
Other languages
English (en)
Inventor
Thomas R Albrecht
Zvonimir Z Bandic
Original Assignee
Hitachi Global Storage Tech
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Global Storage Tech filed Critical Hitachi Global Storage Tech
Publication of SG147365A1 publication Critical patent/SG147365A1/en

Links

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)
SG200801864-0A 2007-04-26 2008-03-06 Magnetic recording disk with identical servo patterns formed on each disk surface by single master template and disk drive using the disk SG147365A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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 (1)

Publication Number Publication Date
SG147365A1 true SG147365A1 (en) 2008-11-28

Family

ID=39671387

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200801864-0A SG147365A1 (en) 2007-04-26 2008-03-06 Magnetic recording disk with identical servo patterns formed on each disk surface by single master template and disk drive using the disk

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)

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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

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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
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US6538835B1 (en) * 1999-02-22 2003-03-25 Seagate Technology Llc Position signal distortion compensation during a disc drive seek
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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
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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
JP5049177B2 (ja) 2012-10-17
US7652839B2 (en) 2010-01-26
JP2008276911A (ja) 2008-11-13
CN101295515A (zh) 2008-10-29
US20080266701A1 (en) 2008-10-30
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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