JP2006012353A - ディスク装置及びその製造方法 - Google Patents

ディスク装置及びその製造方法 Download PDF

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Publication number
JP2006012353A
JP2006012353A JP2004191183A JP2004191183A JP2006012353A JP 2006012353 A JP2006012353 A JP 2006012353A JP 2004191183 A JP2004191183 A JP 2004191183A JP 2004191183 A JP2004191183 A JP 2004191183A JP 2006012353 A JP2006012353 A JP 2006012353A
Authority
JP
Japan
Prior art keywords
track
burst
defective
recorded
reference value
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
JP2004191183A
Other languages
English (en)
Japanese (ja)
Other versions
JP2006012353A5 (enExample
Inventor
Kaoru Umemura
薫 梅村
Kazuhiko Washizu
一彦 鷲津
Naomoto Shimamura
直基 嶋村
Osamu Takazawa
修 高澤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HGST Netherlands BV
HGST Inc
Original Assignee
Hitachi Global Storage Technologies Netherlands BV
Hitachi Global Storage Technologies Inc
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 Technologies Netherlands BV, Hitachi Global Storage Technologies Inc filed Critical Hitachi Global Storage Technologies Netherlands BV
Priority to JP2004191183A priority Critical patent/JP2006012353A/ja
Priority to CNB2005100811002A priority patent/CN100454427C/zh
Priority to US11/172,199 priority patent/US7423825B2/en
Publication of JP2006012353A publication Critical patent/JP2006012353A/ja
Publication of JP2006012353A5 publication Critical patent/JP2006012353A5/ja
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • G11B5/59605—Circuits
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/36—Monitoring, i.e. supervising the progress of recording or reproducing
    • 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
    • G11B5/56—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 support for the purpose of adjusting the position of the head relative to the record carrier, e.g. manual adjustment for azimuth correction or track centering
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers

Landscapes

  • Moving Of The Head To Find And Align With The Track (AREA)
JP2004191183A 2004-06-29 2004-06-29 ディスク装置及びその製造方法 Withdrawn JP2006012353A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2004191183A JP2006012353A (ja) 2004-06-29 2004-06-29 ディスク装置及びその製造方法
CNB2005100811002A CN100454427C (zh) 2004-06-29 2005-06-29 磁盘装置及其制造方法
US11/172,199 US7423825B2 (en) 2004-06-29 2005-06-29 Disk unit and manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004191183A JP2006012353A (ja) 2004-06-29 2004-06-29 ディスク装置及びその製造方法

Publications (2)

Publication Number Publication Date
JP2006012353A true JP2006012353A (ja) 2006-01-12
JP2006012353A5 JP2006012353A5 (enExample) 2007-06-28

Family

ID=35505385

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004191183A Withdrawn JP2006012353A (ja) 2004-06-29 2004-06-29 ディスク装置及びその製造方法

Country Status (3)

Country Link
US (1) US7423825B2 (enExample)
JP (1) JP2006012353A (enExample)
CN (1) CN100454427C (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009028014A1 (ja) * 2007-08-30 2009-03-05 Fujitsu Limited デイスク装置の製造方法、記憶ディスクのサーボ情報書き込み方法及びデイスク装置
JP2009245576A (ja) * 2008-03-31 2009-10-22 Toshiba Corp トラックエラー測定及び回復
JP2013225362A (ja) * 2012-04-23 2013-10-31 Hitachi Ltd 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
JP2014002812A (ja) * 2012-06-18 2014-01-09 Hitachi Ltd マイクロ波アシスト磁気記録方式及び磁気記憶装置

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8397998B1 (en) 1999-10-23 2013-03-19 Ultracard, Inc. Data storage device, apparatus and method for using same
US7487908B1 (en) * 1999-10-23 2009-02-10 Ultracard, Inc. Article having an embedded accessible storage member, apparatus and method for using same
CN100429697C (zh) * 2005-02-16 2008-10-29 Tdk股份有限公司 磁记录介质、记录重放装置及压印模
US20100002326A1 (en) * 2006-05-11 2010-01-07 Ade Technologies, Inc. Method and system for perpendicular magnetic media metrology
JP2008234822A (ja) * 2007-02-21 2008-10-02 Hitachi High-Technologies Corp 磁気ディスクの検査方法および磁気ディスク検査装置
US7787205B2 (en) * 2007-10-02 2010-08-31 Seagate Technology Llc Detecting and correcting insertion and deletion of bits for bit patterned media storage systems
KR20090084197A (ko) * 2008-01-31 2009-08-05 삼성전자주식회사 하드 디스크 드라이브의 불량 서보 트랙 검출 방법
US20130073790A1 (en) * 2011-09-16 2013-03-21 Avalanche Technology, Inc. Magnetic random access memory with burst access
JP7170583B2 (ja) * 2019-05-17 2022-11-14 株式会社東芝 磁気記録装置及びその磁気ヘッド制御方法
US10818319B1 (en) * 2019-10-23 2020-10-27 International Business Machines Corporation Read error recovery in a tape drive

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4498146A (en) * 1982-07-30 1985-02-05 At&T Bell Laboratories Management of defects in storage media
GB2265747B (en) * 1991-06-26 1995-10-11 Maxtor Method & apparatus for detecting data track misregistration
JP2611730B2 (ja) 1993-11-29 1997-05-21 日本電気株式会社 トラック幅検査装置
JP3123710B2 (ja) * 1997-07-22 2001-01-15 インターナショナル・ビジネス・マシーンズ・コーポレ−ション ディスク装置、トラック位置決め方法及び位置誤差信号生成方法
US6005740A (en) * 1997-10-01 1999-12-21 Maxtor Corporation Method and apparatus for developing position error curves for magneto-resistive heads
US6791778B2 (en) * 2000-09-14 2004-09-14 Samsung Electronics Co., Inc. Method and apparatus to detect and manage servo sectors with defect on servo pattern area in hard disk drives
US6906883B2 (en) * 2000-09-14 2005-06-14 Samsung Electronics Ltd., Co. Servo defect management scheme in hard disk drives
US6785084B2 (en) * 2000-10-24 2004-08-31 Seagate Technology Llc Correction of dynamic track spacing errors in storage devices
US7177106B2 (en) * 2001-02-26 2007-02-13 Matsushita Electric Industrial Co., Ltd. Disk storage apparatus
JP2002260355A (ja) * 2001-02-27 2002-09-13 Internatl Business Mach Corp <Ibm> 回転記録装置の検査方法および回転記録装置
KR100688492B1 (ko) * 2002-05-11 2007-03-09 삼성전자주식회사 하드 디스크 드라이브를 위한 오프 트랙 발생 예방 방법및 장치
WO2004017321A1 (en) * 2002-08-19 2004-02-26 Koninklijke Philips Electronics N.V. Detecting anomalies in a scanning signal

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009028014A1 (ja) * 2007-08-30 2009-03-05 Fujitsu Limited デイスク装置の製造方法、記憶ディスクのサーボ情報書き込み方法及びデイスク装置
JPWO2009028014A1 (ja) * 2007-08-30 2010-11-25 東芝ストレージデバイス株式会社 デイスク装置の製造方法、記憶ディスクのサーボ情報書き込み方法及びデイスク装置
JP2009245576A (ja) * 2008-03-31 2009-10-22 Toshiba Corp トラックエラー測定及び回復
JP2013225362A (ja) * 2012-04-23 2013-10-31 Hitachi Ltd 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
US9159360B2 (en) 2012-04-23 2015-10-13 Hitachi, Ltd. Servo pattern by microwave assisted magnetic recording, perpendicular magnetic recording medium, magnetic storage device and method for manufacturing the same
JP2014002812A (ja) * 2012-06-18 2014-01-09 Hitachi Ltd マイクロ波アシスト磁気記録方式及び磁気記憶装置

Also Published As

Publication number Publication date
CN1725356A (zh) 2006-01-25
US20050286156A1 (en) 2005-12-29
CN100454427C (zh) 2009-01-21
US7423825B2 (en) 2008-09-09

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