JP2007066488A - データ記憶装置及びその制御方法 - Google Patents

データ記憶装置及びその制御方法 Download PDF

Info

Publication number
JP2007066488A
JP2007066488A JP2005254818A JP2005254818A JP2007066488A JP 2007066488 A JP2007066488 A JP 2007066488A JP 2005254818 A JP2005254818 A JP 2005254818A JP 2005254818 A JP2005254818 A JP 2005254818A JP 2007066488 A JP2007066488 A JP 2007066488A
Authority
JP
Japan
Prior art keywords
heater
head element
seek
data
head
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.)
Pending
Application number
JP2005254818A
Other languages
English (en)
Japanese (ja)
Other versions
JP2007066488A5 (enExample
Inventor
Noriaki Sato
典明 佐藤
Masaharu Kawamura
正春 川村
Toyozo Osawa
豊三 大澤
Hidenori Ozeki
秀紀 大関
Kazunari Tsuchimoto
和成 土本
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 JP2005254818A priority Critical patent/JP2007066488A/ja
Priority to US11/514,871 priority patent/US7385777B2/en
Priority to CNB2006101290327A priority patent/CN100419857C/zh
Publication of JP2007066488A publication Critical patent/JP2007066488A/ja
Publication of JP2007066488A5 publication Critical patent/JP2007066488A5/ja
Pending legal-status Critical Current

Links

Images

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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3109—Details
    • G11B5/313—Disposition of layers
    • G11B5/3133—Disposition of layers including layers not usually being a part of the electromagnetic transducer structure and providing additional features, e.g. for improving heat radiation, reduction of power dissipation, adaptations for measurement or indication of gap depth or other properties of the structure
    • G11B5/3136—Disposition of layers including layers not usually being a part of the electromagnetic transducer structure and providing additional features, e.g. for improving heat radiation, reduction of power dissipation, adaptations for measurement or indication of gap depth or other properties of the structure for reducing the pole-tip-protrusion at the head transducing surface, e.g. caused by thermal expansion of dissimilar materials
    • 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
    • G11B5/54—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 into or out of its operative position or across tracks
    • G11B5/55—Track change, selection or acquisition by displacement of the head
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
    • G11B5/5526—Control therefor; circuits, track configurations or relative disposition of servo-information transducers and servo-information tracks for control thereof
    • G11B5/553—Details
    • G11B5/5547—"Seek" control and circuits therefor
    • 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
    • G11B5/60—Fluid-dynamic spacing of heads from record-carriers
    • G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion
    • 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
    • G11B5/60—Fluid-dynamic spacing of heads from record-carriers
    • G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion
    • G11B5/6011—Control of flying height
    • G11B5/6064—Control of flying height using air pressure
    • 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
    • G11B5/60—Fluid-dynamic spacing of heads from record-carriers
    • G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion
    • G11B5/6011—Control of flying height
    • G11B5/607—Control of flying height using thermal means

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Magnetic Heads (AREA)
JP2005254818A 2005-09-02 2005-09-02 データ記憶装置及びその制御方法 Pending JP2007066488A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2005254818A JP2007066488A (ja) 2005-09-02 2005-09-02 データ記憶装置及びその制御方法
US11/514,871 US7385777B2 (en) 2005-09-02 2006-09-01 Data storage device with heater, and control method therefor with timing control
CNB2006101290327A CN100419857C (zh) 2005-09-02 2006-09-04 数据存储装置及其控制方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005254818A JP2007066488A (ja) 2005-09-02 2005-09-02 データ記憶装置及びその制御方法

Publications (2)

Publication Number Publication Date
JP2007066488A true JP2007066488A (ja) 2007-03-15
JP2007066488A5 JP2007066488A5 (enExample) 2008-10-09

Family

ID=37817610

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005254818A Pending JP2007066488A (ja) 2005-09-02 2005-09-02 データ記憶装置及びその制御方法

Country Status (3)

Country Link
US (1) US7385777B2 (enExample)
JP (1) JP2007066488A (enExample)
CN (1) CN100419857C (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008112515A (ja) * 2006-10-31 2008-05-15 Fujitsu Ltd 制御装置、制御方法及び記憶装置
US8400725B2 (en) 2010-05-31 2013-03-19 Kabushiki Kaisha Toshiba Storage device and method for controlling projection amount of head
JP2022064074A (ja) * 2020-10-13 2022-04-25 株式会社東芝 磁気ディスク装置、及び磁気ディスク装置の電圧印加方法

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008171520A (ja) * 2007-01-15 2008-07-24 Fujitsu Ltd 制御装置、制御方法、及び記憶装置
KR100855973B1 (ko) * 2007-01-24 2008-09-02 삼성전자주식회사 자기 헤드 부상 높이를 조절하는 하드디스크 드라이브 및그 방법
JP2008243249A (ja) * 2007-03-26 2008-10-09 Fujitsu Ltd 記憶装置ならびに記憶装置の制御装置
JP2009004056A (ja) * 2007-06-25 2009-01-08 Toshiba Corp 磁気ディスク装置
US7605996B2 (en) * 2007-12-28 2009-10-20 Hitachi Global Storage Technologies Netherlands B.V. Method and system for detecting a change in a rotational velocity of a magnetic disk or a spindle coupled to the magnetic disk
US20100007976A1 (en) * 2008-07-09 2010-01-14 Baumgart Peter M Protecting magnetic head elements
US9007882B1 (en) 2013-07-31 2015-04-14 Seagate Technology Llc Heater to keep reader head in stable temperature range
US8964326B1 (en) * 2013-12-02 2015-02-24 Kabushiki Kaisha Toshiba Disk storage apparatus and method for regulating head flying height before seek operation
US10242704B2 (en) 2017-08-08 2019-03-26 Western Digital Technologies, Inc. Command clustering for data storage device
JP6794391B2 (ja) 2018-02-27 2020-12-02 株式会社東芝 磁気ディスク装置および磁気ディスク装置の制御方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1069747A (ja) * 1996-08-28 1998-03-10 Nec Corp 磁気ディスク装置
JP2004079126A (ja) * 2002-08-22 2004-03-11 Toshiba Corp 磁気ディスク装置
JP2004342151A (ja) * 2003-05-13 2004-12-02 Hitachi Global Storage Technologies Inc 磁気ヘッドスライダの浮上制御方法および磁気ディスク装置
JP2005135501A (ja) * 2003-10-30 2005-05-26 Hitachi Global Storage Technologies Netherlands Bv 薄膜磁気ヘッドスライダ、磁気ヘッド支持機構、磁気ディスク装置、および磁気ヘッドの製造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0520635A (ja) * 1991-07-11 1993-01-29 Fujitsu Ltd 磁気ヘツドおよび磁気デイスク装置
JPH05250843A (ja) 1992-03-04 1993-09-28 Sony Corp テープカセット
JP2002343049A (ja) 2001-05-17 2002-11-29 Hitachi Ltd 浮上量調整機構を有する負圧スライダ
JP3632025B2 (ja) 2003-02-26 2005-03-23 Ｔｄｋ株式会社 薄膜磁気ヘッド、ヘッドジンバルアセンブリ、及び、ハードディスク装置
US7088545B1 (en) * 2005-06-28 2006-08-08 Western Digital Technologies, Inc. Disk drive decreasing head temperature to increase fly-height during seek operation
JP4413168B2 (ja) * 2005-07-19 2010-02-10 東芝ストレージデバイス株式会社 ヒータ制御方法及び記憶装置
JP4362491B2 (ja) * 2006-03-31 2009-11-11 富士通株式会社 磁気ヘッドの磁気スペーシング制御方法、リード／ライト回路及びそれを用いた磁気ディスク装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1069747A (ja) * 1996-08-28 1998-03-10 Nec Corp 磁気ディスク装置
JP2004079126A (ja) * 2002-08-22 2004-03-11 Toshiba Corp 磁気ディスク装置
JP2004342151A (ja) * 2003-05-13 2004-12-02 Hitachi Global Storage Technologies Inc 磁気ヘッドスライダの浮上制御方法および磁気ディスク装置
JP2005135501A (ja) * 2003-10-30 2005-05-26 Hitachi Global Storage Technologies Netherlands Bv 薄膜磁気ヘッドスライダ、磁気ヘッド支持機構、磁気ディスク装置、および磁気ヘッドの製造方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008112515A (ja) * 2006-10-31 2008-05-15 Fujitsu Ltd 制御装置、制御方法及び記憶装置
US8400725B2 (en) 2010-05-31 2013-03-19 Kabushiki Kaisha Toshiba Storage device and method for controlling projection amount of head
JP2022064074A (ja) * 2020-10-13 2022-04-25 株式会社東芝 磁気ディスク装置、及び磁気ディスク装置の電圧印加方法
JP7458290B2 (ja) 2020-10-13 2024-03-29 株式会社東芝 磁気ディスク装置、及び磁気ディスク装置の電圧印加方法

Also Published As

Publication number Publication date
US20070053104A1 (en) 2007-03-08
US7385777B2 (en) 2008-06-10
CN100419857C (zh) 2008-09-17
CN1925007A (zh) 2007-03-07

Similar Documents

Publication Publication Date Title
US8441909B1 (en) Disk drive increasing laser power at beginning of write in heat assisted magnetic recording
JP5032768B2 (ja) 磁気ヘッドの制御装置，磁気ヘッドの制御方法，及び記録媒体
US7969681B2 (en) Disk drive and control method thereof
US8125728B2 (en) Disk drive, head-slider and method for controlling clearance of a read element and a write element in the disk drive
US7426089B2 (en) Disk drive with heater for slider and control method thereof
JP2009157987A (ja) ヘッド・スライダのリセス量を調整する方法及びディスク・ドライブ装置
JP2007066488A (ja) データ記憶装置及びその制御方法
JP2009032344A (ja) ディスク・ドライブ装置及びヘッド上の付着物を除去する方法
JPH11312371A (ja) ハ―ドディスクドライブの製造工程管理方法
JP2008071417A (ja) 記憶装置、制御方法及び制御回路
JP2006085832A (ja) 記録電流の制御方法及び磁気ディスク装置
JP2007184023A (ja) ディスク・ドライブ及びその制御方法
JP4743855B2 (ja) データ記憶装置及びその制御方法
KR100855973B1 (ko) 자기 헤드 부상 높이를 조절하는 하드디스크 드라이브 및그 방법
JP5833061B2 (ja) 装置、方法および書込ヘッド
JP4895560B2 (ja) データ記憶装置
JP2004110918A (ja) 磁気記録装置および記録制御方法
US7570446B2 (en) Disk drive with improved format efficiency and control method thereof
US9460745B1 (en) Preheating a hard disk drive head slider for head switch seek
JP2006331634A (ja) 磁気抵抗センサの磁区特性の制御方法、記録媒体および装置
US20100328811A1 (en) Method of controlling reading or writing operation of disk drive
JP2008171495A (ja) ディスク・ドライブ装置及びその制御方法
JPH11224401A (ja) 耐熱揺らぎ磁気記録方式及び磁気ディスク装置
JP2009070452A (ja) ディスク・ドライブ装置及びその制御方法
JP2007115322A (ja) データ記憶装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080825

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20080825

RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20100510

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20110124

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20110201

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20110628