DE68929034D1 - Magnetisches Datenspeichergerät mit Wandlerbaugruppe für magnetische Quasikontaktaufzeichnung - Google Patents

Magnetisches Datenspeichergerät mit Wandlerbaugruppe für magnetische Quasikontaktaufzeichnung

Info

Publication number
DE68929034D1
DE68929034D1 DE68929034T DE68929034T DE68929034D1 DE 68929034 D1 DE68929034 D1 DE 68929034D1 DE 68929034 T DE68929034 T DE 68929034T DE 68929034 T DE68929034 T DE 68929034T DE 68929034 D1 DE68929034 D1 DE 68929034D1
Authority
DE
Germany
Prior art keywords
magnetic
storage device
data storage
transducer assembly
quasi
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
DE68929034T
Other languages
English (en)
Other versions
DE68929034T2 (de
Inventor
Thomas Allen Gregory
Christopher Guild Keller
Thomas Scott Larson
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 DE68929034D1 publication Critical patent/DE68929034D1/de
Publication of DE68929034T2 publication Critical patent/DE68929034T2/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
    • G11B5/48—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
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/60—Guiding record carrier
    • G11B15/62—Maintaining desired spacing between record carrier and head
    • 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
    • G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
    • G11B25/04—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card
    • G11B25/043—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card using rotating discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/14—Reducing influence of physical parameters, e.g. temperature change, moisture, dust
    • G11B33/148—Reducing friction, adhesion, drag
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00012—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using an auxiliary transmission line
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/14—Reducing influence of physical parameters, e.g. temperature change, moisture, dust
    • G11B33/1406—Reducing the influence of the temperature

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
DE68929034T 1988-10-31 1989-10-27 Magnetisches Datenspeichergerät mit Wandlerbaugruppe für magnetische Quasikontaktaufzeichnung Expired - Fee Related DE68929034T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US26460488A 1988-10-31 1988-10-31

Publications (2)

Publication Number Publication Date
DE68929034D1 true DE68929034D1 (de) 1999-08-26
DE68929034T2 DE68929034T2 (de) 2000-02-24

Family

ID=23006810

Family Applications (2)

Application Number Title Priority Date Filing Date
DE68920817T Expired - Fee Related DE68920817T2 (de) 1988-10-31 1989-10-27 Gerät und Verfahren für magnetische Quasikontakt-Aufzeichnung.
DE68929034T Expired - Fee Related DE68929034T2 (de) 1988-10-31 1989-10-27 Magnetisches Datenspeichergerät mit Wandlerbaugruppe für magnetische Quasikontaktaufzeichnung

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE68920817T Expired - Fee Related DE68920817T2 (de) 1988-10-31 1989-10-27 Gerät und Verfahren für magnetische Quasikontakt-Aufzeichnung.

Country Status (4)

Country Link
US (3) US5742449A (de)
EP (2) EP0606963B1 (de)
JP (3) JP2796852B2 (de)
DE (2) DE68920817T2 (de)

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US6600631B1 (en) * 1989-11-27 2003-07-29 Censtor Corp. Transducer/flexure/conductor structure for electromagnetic read/write system
US5526204A (en) * 1989-12-20 1996-06-11 Conner Peripherals, Inc. Low drag liquid bearing recording head
US5200867A (en) * 1991-07-02 1993-04-06 International Business Machines Corporation Transducer carrier for disk file with liquid film head-disk interface
US5202803A (en) * 1991-07-02 1993-04-13 International Business Machines Corporation Disk file with liquid film head-disk interface
US5374463A (en) * 1991-10-22 1994-12-20 International Business Machines Corporation Magnetic recording disk having a contiguous fullerene film and a protective overcoat
US5267104A (en) * 1992-04-30 1993-11-30 International Business Machines Corporation Liquid-bearing data recording disk file with transducer carrier having rear ski pad at the head-disk interface
CA2089793A1 (en) * 1992-05-18 1993-11-19 Thomas Allen Gregory Spacer ring reservoir for magnetic recording disk lubricant
WO1994011878A1 (en) * 1992-11-13 1994-05-26 Conner Peripherals, Inc. Liquid recirculation in an information storage device
WO1994011879A1 (en) * 1992-11-13 1994-05-26 Conner Peripherals, Inc. Lubricated disk drive
US5396383A (en) * 1992-12-29 1995-03-07 International Business Machines Integral lubricating fluid delivery system for a flying head in a magnetic disk storage system
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US5309301A (en) * 1992-12-30 1994-05-03 International Business Machines Corporation Servo controlled lubricant thickness for near contact magnetic recording
US5455730A (en) * 1993-02-18 1995-10-03 International Business Machines Corporation Contact magnetic recording disk file with a magnetoresistive read sensor
JPH06274859A (ja) * 1993-03-18 1994-09-30 Hitachi Ltd 磁気記録媒体および磁気記録再生装置
US5418667A (en) * 1993-08-03 1995-05-23 International Business Machines Corporation Slider with transverse ridge sections supporting air-bearing pads and disk drive incorporating the slider
EP0748501A1 (de) * 1994-03-02 1996-12-18 Seagate Technology, Inc. Oxidations-stabilisierte kohlenwasserstoff-flussigkeitlagerung fur mit einem schmierfilm versehene plattenlaufwerke
US5623383A (en) * 1994-06-30 1997-04-22 International Business Machines Magnetic slider design for precision wear-in
JP2867911B2 (ja) * 1994-08-16 1999-03-10 日本電気株式会社 磁気ディスク装置
US5841608A (en) * 1994-08-30 1998-11-24 Fujitsu Limited Head slider with projections arranged on rails thereof
CN1131322A (zh) * 1994-10-20 1996-09-18 株式会社日立制作所 磁性存储装置
US6804085B1 (en) 1995-03-21 2004-10-12 Seagate Technology, Llc Hard drive system interface between a disk surface and a transducer contacting the surface during communication
JP3438006B2 (ja) * 1995-05-29 2003-08-18 ミネベア株式会社 浮動型磁気ヘッドとその製法
US5661618A (en) * 1995-12-11 1997-08-26 International Business Machines Corporation Magnetic recording device having a improved slider
US6198607B1 (en) * 1995-12-22 2001-03-06 Censtor Corporation Contact planar magnetoresistive head
JP2800749B2 (ja) * 1995-12-28 1998-09-21 日本電気株式会社 磁気ディスク装置
US6104687A (en) * 1996-08-26 2000-08-15 Digital Papyrus Corporation Method and apparatus for coupling an optical lens to a disk through a coupling medium having a relatively high index of refraction
US6031685A (en) * 1997-07-11 2000-02-29 Seagate Technology, Inc. Information storage systems comprising a liquid bearing maintained by adsorption isotherm
DE19882586T1 (de) 1997-08-15 2000-08-03 Seagate Technology Gleitstück für Datenspeichersystem
NL1010020C2 (nl) * 1997-09-08 1999-06-23 Ntn Toyo Bearing Co Ltd Spilmotor en inrichting voor het ondersteunen van de roterende as van een spilmotor.
US6381090B1 (en) 1998-05-21 2002-04-30 Komag, Incorporated Hard disk drive head-media system having reduced stiction and low fly height
US6683754B2 (en) 1998-05-21 2004-01-27 Komag, Inc. Hard disk drive head-media system having reduced stiction and low fly height
AU6419899A (en) * 1998-10-09 2000-05-01 Regents Of The University Of Michigan, The Hydrogels and water soluble polymeric carriers for drug delivery
US6459547B1 (en) 1998-12-09 2002-10-01 Seagate Technology Llc Slider with pads and textured landing zone for disc storage system
US6538849B1 (en) 1999-02-11 2003-03-25 Seagate Technology Llc Diamond-pattern directed tipping slip magnetic head
US6304418B1 (en) 1999-02-11 2001-10-16 Seagate Technology Llc Enhanced durability ultra-low-flying-height sliders
US6665147B2 (en) 2000-07-05 2003-12-16 Hitachi, Ltd. Magnetic disk drive with supply of perfluoropolyether as lubricant
US6529347B2 (en) 2000-10-13 2003-03-04 Seagate Technology Llc Disc drive slider having textured pads
US6678113B2 (en) * 2001-03-19 2004-01-13 Hitachi Global Storage Technologies Netherlands B.V. Device and method for monitoring lubricant within a disk drive
US6826009B1 (en) * 2002-08-30 2004-11-30 General Electric Capital Corporation Disk drive including a filter element disposed along a disk surface for filtering disk rotation induced airflow
US6914739B2 (en) * 2002-11-14 2005-07-05 Hitachi Global Storage Technologies Netherlands B.V. Closed loop lubrication system for moving magnetic media
US7362533B2 (en) * 2004-07-30 2008-04-22 Hitachi Global Storage Technologies Netherlands B.V. Disk drive with slider burnishing-on-demand
US20060262451A1 (en) * 2005-05-18 2006-11-23 Samsung Electronics Co., Ltd. Hard-disk drive design for contact recording applications
JP5097146B2 (ja) * 2009-02-09 2012-12-12 株式会社日立製作所 磁気ディスク装置

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US3349384A (en) * 1964-02-27 1967-10-24 Data Disc Inc Air bearing magnetic transducer assembly
US3579212A (en) * 1968-03-05 1971-05-18 Honeywell Inc A reproducing head in a liquid medium
US3516081A (en) * 1969-07-31 1970-06-02 North American Rockwell Fluid bearing pads for supporting transducers
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DE2143711A1 (de) * 1971-09-01 1973-03-08 Licentia Gmbh Wiedergabeeinrichtung zur wiedergabe von auf einem aufzeichnungstraeger aufgezeichneten signalen
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Also Published As

Publication number Publication date
DE68929034T2 (de) 2000-02-24
US5850317A (en) 1998-12-15
US5278711A (en) 1994-01-11
EP0606963A3 (de) 1997-04-23
US5742449A (en) 1998-04-21
EP0367510A2 (de) 1990-05-09
EP0367510A3 (de) 1991-03-13
JP3155504B2 (ja) 2001-04-09
DE68920817T2 (de) 1995-08-10
DE68920817D1 (de) 1995-03-09
EP0606963B1 (de) 1999-07-21
JPH10312660A (ja) 1998-11-24
JPH0845239A (ja) 1996-02-16
EP0367510B1 (de) 1995-01-25
JPH02130789A (ja) 1990-05-18
EP0606963A2 (de) 1994-07-20
JP2796852B2 (ja) 1998-09-10

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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