JP4291784B2 - サーボ情報記録方法、磁気記録媒体及び磁気ディスク装置 - Google Patents

サーボ情報記録方法、磁気記録媒体及び磁気ディスク装置 Download PDF

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Publication number
JP4291784B2
JP4291784B2 JP2005005609A JP2005005609A JP4291784B2 JP 4291784 B2 JP4291784 B2 JP 4291784B2 JP 2005005609 A JP2005005609 A JP 2005005609A JP 2005005609 A JP2005005609 A JP 2005005609A JP 4291784 B2 JP4291784 B2 JP 4291784B2
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Japan
Prior art keywords
magnetic
signal portion
zero
recording medium
burst
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Expired - Fee Related
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JP2005005609A
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English (en)
Japanese (ja)
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JP2006196068A (ja
JP2006196068A5 (enExample
Inventor
雄彦 濱口
和明 薄井
英明 前田
和久 宍田
崇 小西
Original Assignee
ヒタチグローバルストレージテクノロジーズネザーランドビーブイ
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Priority to JP2005005609A priority Critical patent/JP4291784B2/ja
Priority to CN200510120339A priority patent/CN100589186C/zh
Priority to US11/331,921 priority patent/US7365933B2/en
Publication of JP2006196068A publication Critical patent/JP2006196068A/ja
Publication of JP2006196068A5 publication Critical patent/JP2006196068A5/ja
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Publication of JP4291784B2 publication Critical patent/JP4291784B2/ja
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    • 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

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  • Moving Of The Head To Find And Align With The Track (AREA)
JP2005005609A 2005-01-12 2005-01-12 サーボ情報記録方法、磁気記録媒体及び磁気ディスク装置 Expired - Fee Related JP4291784B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2005005609A JP4291784B2 (ja) 2005-01-12 2005-01-12 サーボ情報記録方法、磁気記録媒体及び磁気ディスク装置
CN200510120339A CN100589186C (zh) 2005-01-12 2005-11-08 伺服信息记录方法、磁记录介质和磁盘设备
US11/331,921 US7365933B2 (en) 2005-01-12 2006-01-12 Servo information recording method, magnetic recording media, and magnetic disk apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005005609A JP4291784B2 (ja) 2005-01-12 2005-01-12 サーボ情報記録方法、磁気記録媒体及び磁気ディスク装置

Publications (3)

Publication Number Publication Date
JP2006196068A JP2006196068A (ja) 2006-07-27
JP2006196068A5 JP2006196068A5 (enExample) 2008-02-28
JP4291784B2 true JP4291784B2 (ja) 2009-07-08

Family

ID=36652979

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005005609A Expired - Fee Related JP4291784B2 (ja) 2005-01-12 2005-01-12 サーボ情報記録方法、磁気記録媒体及び磁気ディスク装置

Country Status (3)

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US (1) US7365933B2 (enExample)
JP (1) JP4291784B2 (enExample)
CN (1) CN100589186C (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7848039B2 (en) * 2007-08-11 2010-12-07 Hitachi Global Storage Technologies Netherlands B.V. Magnetic recording disk and disk drive with patterned phase-type servo fields for read/write head positioning
JP5184843B2 (ja) * 2007-08-21 2013-04-17 エイチジーエスティーネザーランドビーブイ 垂直磁気記録媒体及び磁気記憶装置
US8824079B2 (en) * 2008-09-15 2014-09-02 Seagate Technology Llc Servo patterns for bit patterned media with multiple dots per servo period
US7920354B2 (en) * 2008-09-15 2011-04-05 Seagate Technology Llc Phase servo patterns for bit patterned media
US8947809B2 (en) 2008-09-19 2015-02-03 Seagate Technology Llc Encoding scheme for bit patterned media
US8203800B2 (en) * 2009-03-05 2012-06-19 Western Digital (Fremont), Llc Servo design in data storage media
JP5902025B2 (ja) 2012-04-23 2016-04-13 株式会社日立製作所 マイクロ波アシスト磁気記録によるサーボパターン、垂直磁気記録媒体、磁気記憶装置、及びその製造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0097208B1 (en) 1982-06-18 1987-03-11 International Business Machines Corporation Head positioning system with automatic gain control
US6005737A (en) * 1997-05-24 1999-12-21 Seagate Technology, Inc. Magnetic tape drive having improved servo control
JP4644356B2 (ja) * 2000-11-10 2011-03-02 株式会社日立グローバルストレージテクノロジーズ 磁気ディスク装置及び、磁気記録再生装置のサーボライト方式
JP4112809B2 (ja) * 2001-01-31 2008-07-02 株式会社東芝 垂直磁気記録方式の磁気ディスク装置及びディスク製造方法
US7110209B2 (en) * 2004-12-22 2006-09-19 Matsushita Electric Industrial Co., Ltd. Systems and methods for efficient writing of low-RRO phase-burst servo patterns
US7292402B2 (en) * 2005-03-25 2007-11-06 Matsushita Electric Industrial Co., Ltd. Systems and methods for multipass servowriting with a null burst pattern

Also Published As

Publication number Publication date
JP2006196068A (ja) 2006-07-27
US20060152843A1 (en) 2006-07-13
CN1805016A (zh) 2006-07-19
CN100589186C (zh) 2010-02-10
US7365933B2 (en) 2008-04-29

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