DE69805462D1 - Laufwerke zur magnetischen Datenspeicherung - Google Patents

Laufwerke zur magnetischen Datenspeicherung

Info

Publication number
DE69805462D1
DE69805462D1 DE69805462T DE69805462T DE69805462D1 DE 69805462 D1 DE69805462 D1 DE 69805462D1 DE 69805462 T DE69805462 T DE 69805462T DE 69805462 T DE69805462 T DE 69805462T DE 69805462 D1 DE69805462 D1 DE 69805462D1
Authority
DE
Germany
Prior art keywords
data storage
magnetic data
storage drives
drives
magnetic
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.)
Expired - Fee Related
Application number
DE69805462T
Other languages
English (en)
Other versions
DE69805462T2 (de
Inventor
Michael David Blachek
Gordon James Smith
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.)
IBM United Kingdom Ltd
HGST Netherlands BV
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE69805462D1 publication Critical patent/DE69805462D1/de
Publication of DE69805462T2 publication Critical patent/DE69805462T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • G11B5/74—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
    • G11B5/012—Recording on, or reproducing or erasing from, magnetic disks
    • 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
    • G11B5/488—Disposition of heads
    • G11B5/4886—Disposition of heads relative to rotating disc
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/50—Reconditioning of record carriers; Cleaning of record carriers ; Carrying-off electrostatic charges
    • G11B23/505—Reconditioning of record carriers; Cleaning of record carriers ; Carrying-off electrostatic charges of 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
    • G11B5/54—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
    • 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
    • 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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
DE69805462T 1997-02-25 1998-01-16 Laufwerke zur magnetischen Datenspeicherung Expired - Fee Related DE69805462T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/810,154 US5880899A (en) 1997-02-25 1997-02-25 Removal of raised irregularities on a data storage disk with controlled abrasion by a magnetoresistive head

Publications (2)

Publication Number Publication Date
DE69805462D1 true DE69805462D1 (de) 2002-06-27
DE69805462T2 DE69805462T2 (de) 2003-01-02

Family

ID=25203153

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69805462T Expired - Fee Related DE69805462T2 (de) 1997-02-25 1998-01-16 Laufwerke zur magnetischen Datenspeicherung

Country Status (7)

Country Link
US (1) US5880899A (de)
EP (1) EP0860812B1 (de)
JP (1) JP2878257B2 (de)
KR (1) KR100264485B1 (de)
DE (1) DE69805462T2 (de)
MY (1) MY116711A (de)
TW (1) TW364990B (de)

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JP3466041B2 (ja) 1997-03-03 2003-11-10 アルプス電気株式会社 磁気ヘッドおよびその製造方法
US6195219B1 (en) * 1998-10-20 2001-02-27 International Business Machines Corporation Method and apparatus for improving a thermal response of a magnetoresistive element
US6249945B1 (en) * 1998-11-12 2001-06-26 International Business Machines Corporation Hard disk burnishing head
US6526639B2 (en) 1998-11-12 2003-03-04 International Business Machines Corporation Method for burnishing hard disks
US6357095B1 (en) * 1998-11-12 2002-03-19 International Business Machines Corporation Hard disk burnishing head
US6497021B2 (en) * 1999-01-14 2002-12-24 International Business Machines Corporation Method and apparatus for providing a low cost contact burnish slider
US6493184B1 (en) * 2000-01-21 2002-12-10 International Business Machines Corporation Dedicated disk burnishing zones for burnishing magnetic recording sliders
US6493183B1 (en) * 2000-06-29 2002-12-10 International Business Machines Corporation Thermally-assisted magnetic recording system with head having resistive heater in write gap
WO2002037480A1 (fr) * 2000-10-26 2002-05-10 Hitachi, Ltd. Curseur de tete magnetique et dispositif a disque magnetique
US6822814B2 (en) 2000-11-10 2004-11-23 Jpmorgan Chase Bank, As Collateral Agent Write head collision detection using MR read element in disc drives
US7092193B1 (en) 2001-02-16 2006-08-15 Maxtor Corporation Dynamically adjustable head disk spacing slider using thermal expansion
US6600635B2 (en) 2001-03-09 2003-07-29 Hitachi Global Storage Technologies Netherlands B.V. Combined magnetic data and burnish head for magnetic recording
US6775103B2 (en) 2001-04-02 2004-08-10 Hitachi Global Storage Technologies Netherlands B.V. Slider head having thermally controlled distal end and assembly with a rotating disc
US7088532B1 (en) * 2001-04-19 2006-08-08 Maxtor Corporation Head-disk interface preconditioning using write current before servo track write
US20030048566A1 (en) * 2001-09-11 2003-03-13 Seagate Technology Llc Contoured disc drive head surface and method
WO2003046893A1 (en) * 2001-11-20 2003-06-05 Sae Magnetics (H. K.) Ltd. Method and apparatus for treating the surface of a media, such as a magnetic hard disk, while operating, such as during dynamic electrical testing
US7224548B1 (en) 2002-01-04 2007-05-29 Maxtor Corporation Determining contact write current in disk drive using position error signal variance
US7027251B1 (en) 2002-01-04 2006-04-11 Maxtor Corporation Method and apparatus to control pole tip protrusion
US7023645B1 (en) * 2002-05-03 2006-04-04 Maxtor Corporation Read error recovery method and apparatus
KR100468779B1 (ko) * 2002-12-13 2005-01-29 삼성전자주식회사 자기 헤드의 ｔｐｔｐ 특성 측정 방법 및 이에 적합한기록 전류 제어 방법
KR100505659B1 (ko) 2002-12-17 2005-08-03 삼성전자주식회사 비행 높이 측정 방법 및 시스템
US7230780B2 (en) * 2003-08-29 2007-06-12 Hitachi Global Storage Technologies Netherlands B.V. Method, apparatus and program storage device for providing protrusion feedback for a read/write element
JP4133705B2 (ja) 2003-09-11 2008-08-13 富士通株式会社 磁気抵抗効果型ヘッドの製造方法
JP4184936B2 (ja) 2003-11-27 2008-11-19 株式会社東芝 磁気ヘッド検査装置、磁気ヘッド検査方法及びディスクドライブ
US7068458B2 (en) * 2003-12-12 2006-06-27 Texas Instruments Incorporated Preamplifier fly height control (FHC) driver and sensing circuit
US7375915B1 (en) 2004-04-08 2008-05-20 Seagate Technology Llc Disk drive that varies the power to a slider mover during transitions between drive operations
US7310194B1 (en) 2004-04-08 2007-12-18 Maxtor Corporation System for monitoring and dynamically adjusting head-to-disk spacing in a disk drive
US7362534B1 (en) 2004-04-08 2008-04-22 Maxtor Corporation System for detecting a change in head-to-disk contact status in a disk drive
US7324299B1 (en) 2004-04-08 2008-01-29 Maxtor Corporation Disk drive that positions a head at multiple head-to-disk spacings
US7310195B1 (en) 2004-04-08 2007-12-18 Maxtor Corporation System and method for adjusting head-to-disk spacing in a disk drive
US7509728B1 (en) 2004-04-08 2009-03-31 Maxtor Corporation Method for adjusting head-to-disk spacing in a disk drive
US7724473B1 (en) 2004-04-29 2010-05-25 Seagate Technology Llc Slider with actuator-transducer separation and roll activation
US7403356B1 (en) 2004-04-29 2008-07-22 Seagate Technology Llc Disk drive including slider mover having low thermal coefficient of resistivity
US7400473B1 (en) 2004-07-13 2008-07-15 Maxtor Corporation Slider with independent fly-height adjustment of reader and writer
US7724480B1 (en) 2005-08-19 2010-05-25 Seagate Technology Llc Slider that dynamically adjusts the head-to-disk spacing in a disk drive
US20070091156A1 (en) * 2005-10-20 2007-04-26 Christian Jackson Inkjet ink
JP2007310978A (ja) 2006-05-19 2007-11-29 Fujitsu Ltd ヘッド浮上量制御方法及び装置、記憶装置及びプログラム
US10181335B2 (en) * 2008-06-04 2019-01-15 Seagate Technology Llc Advanced heater-assisted media burnishing head media burnish process
JP4836282B2 (ja) 2008-06-12 2011-12-14 東芝ストレージデバイス株式会社 ヘッド浮上量調整方法及び書き込み電流値決定方法、並びに記憶装置

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JPS5857633A (ja) * 1981-10-02 1983-04-05 Hitachi Ltd 磁気デイスク媒体のバ−ニツシユ方法
JPS59168969A (ja) * 1983-03-17 1984-09-22 Fujitsu Ltd 磁気ヘツド
JPS61156525A (ja) * 1984-12-27 1986-07-16 Fujitsu Ltd 記録デイスクの表面突起除去装置
US4845816A (en) * 1986-07-18 1989-07-11 Xebec Corporation Burnishing head for memory disk drive
JPS63177382A (ja) * 1987-01-19 1988-07-21 Nec Corp デイスク装置
JPH01185833A (ja) * 1988-01-21 1989-07-25 Toshiba Corp 磁気記録媒体の表面突起除去方法およびその装置
FR2630852B1 (fr) * 1988-04-27 1994-06-17 Thomson Csf Tete d'enregistrement thermomagnetique
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JP2596171B2 (ja) * 1990-04-24 1997-04-02 富士通株式会社 磁気ディスク装置
JP2611517B2 (ja) * 1990-08-31 1997-05-21 日本電気株式会社 磁気ディスク基板の表面平滑化方法および装置
JP3292737B2 (ja) * 1991-07-19 2002-06-17 松下電器産業株式会社 磁気ディスクのバーニッシング方法
JPH05109222A (ja) * 1991-10-17 1993-04-30 Ricoh Co Ltd 磁気デイスク装置およびその制御方法
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JP3139323B2 (ja) * 1995-04-07 2001-02-26 株式会社日立製作所 磁気ディスク装置及びスライダ
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US5777815A (en) * 1996-06-13 1998-07-07 International Business Machines Corporation Disk drive with shock detection based on thermoresistive signal from magnetoresistive head

Also Published As

Publication number Publication date
MY116711A (en) 2004-03-31
JP2878257B2 (ja) 1999-04-05
TW364990B (en) 1999-07-21
JPH10241333A (ja) 1998-09-11
EP0860812A2 (de) 1998-08-26
US5880899A (en) 1999-03-09
EP0860812A3 (de) 1999-03-10
DE69805462T2 (de) 2003-01-02
KR19980070024A (ko) 1998-10-26
KR100264485B1 (ko) 2000-09-01
EP0860812B1 (de) 2002-05-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.

Owner name: IBM UNITED KINGDOM LTD., PORTSMOUTH, HAMPSHIRE, GB

8339 Ceased/non-payment of the annual fee