DE3578017D1 - Verfahren und vorrichtung zur regelung der flughoehe des kopfes in einem magnetspeicher. - Google Patents

Verfahren und vorrichtung zur regelung der flughoehe des kopfes in einem magnetspeicher.

Info

Publication number
DE3578017D1
DE3578017D1 DE8585114668T DE3578017T DE3578017D1 DE 3578017 D1 DE3578017 D1 DE 3578017D1 DE 8585114668 T DE8585114668 T DE 8585114668T DE 3578017 T DE3578017 T DE 3578017T DE 3578017 D1 DE3578017 D1 DE 3578017D1
Authority
DE
Germany
Prior art keywords
regulating
head
height
magnetic memory
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
DE8585114668T
Other languages
English (en)
Inventor
Wolfgang Dieter Dr Pohl
James Kazimierz Dr Gimzewski
Paul Rene Dr Muralt
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.)
International Business Machines Corp
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 DE3578017D1 publication Critical patent/DE3578017D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48Disposition 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
    • G11B5/58Disposition 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
    • G11B5/60Fluid-dynamic spacing of heads from record-carriers
    • G11B5/6005Specially adapted for spacing from a rotating disc using a fluid cushion
DE8585114668T 1985-11-19 1985-11-19 Verfahren und vorrichtung zur regelung der flughoehe des kopfes in einem magnetspeicher. Expired - Fee Related DE3578017D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP85114668A EP0227845B1 (de) 1985-11-19 1985-11-19 Verfahren und Vorrichtung zur Regelung der Flughöhe des Kopfes in einem Magnetspeicher

Publications (1)

Publication Number Publication Date
DE3578017D1 true DE3578017D1 (de) 1990-07-05

Family

ID=8193892

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585114668T Expired - Fee Related DE3578017D1 (de) 1985-11-19 1985-11-19 Verfahren und vorrichtung zur regelung der flughoehe des kopfes in einem magnetspeicher.

Country Status (7)

Country Link
US (1) US4853810A (de)
EP (1) EP0227845B1 (de)
JP (1) JPS62125521A (de)
BR (1) BR8605250A (de)
CA (1) CA1290054C (de)
DE (1) DE3578017D1 (de)
ES (1) ES2003495A6 (de)

Families Citing this family (99)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6455702A (en) * 1987-08-27 1989-03-02 Tdk Corp Magnetic recording and reproducing device
US5031055A (en) * 1987-10-20 1991-07-09 Nec Corporation Data storage apparatus with head displacement sensor
JP2650980B2 (ja) * 1988-09-19 1997-09-10 株式会社日立製作所 記録装置及び記録装置の異常処理システム
US5153785A (en) * 1988-09-19 1992-10-06 Hitachi, Ltd. Apparatus for measuring the clearance of recording transducer, and a recorder using the apparatus, and a method of controlling the recorder
JP2547440B2 (ja) * 1988-09-28 1996-10-23 株式会社日立製作所 磁気ヘッドスライダ浮上量測定装置
US5021906A (en) * 1989-10-31 1991-06-04 International Business Machines Corporation Programmable air bearing slider including magnetic read/write element
US5550691A (en) * 1989-11-27 1996-08-27 Censtor Corp. Size-independent, rigid-disk, magnetic, digital-information storage system with localized read/write enhancements
JP2533664B2 (ja) * 1990-01-17 1996-09-11 株式会社日立製作所 磁気記録装置
US5168413A (en) * 1990-11-30 1992-12-01 Ibm Corporation Transducer head flying height monitoring methods and apparatus for disk drive system
JP2884774B2 (ja) * 1990-12-01 1999-04-19 株式会社日立製作所 情報記憶装置及びその製法
CA2047563C (en) * 1991-06-11 1993-08-17 Harold J. Hamilton Integrated magnetic read/write head/flexure/conductor structure
JPH05225556A (ja) * 1991-12-16 1993-09-03 Internatl Business Mach Corp <Ibm> 保護膜を改良した磁気記録ディスク
EP0556436B1 (de) * 1992-02-19 2001-09-05 Tandberg Data Asa Verfahren und Vorrichtung zur Positionierung eines Magnetkopfes
JPH05342503A (ja) * 1992-06-12 1993-12-24 Hitachi Ltd 記憶装置
JP2895694B2 (ja) * 1992-12-08 1999-05-24 シャープ株式会社 情報記録・再生用スライダー、情報記録・再生用スライダーの製造方法および情報記録・再生装置
US5424881A (en) 1993-02-01 1995-06-13 Cirrus Logic, Inc. Synchronous read channel
US5810477A (en) * 1993-04-30 1998-09-22 International Business Machines Corporation System for identifying surface conditions of a moving medium
US5527110A (en) * 1993-04-30 1996-06-18 International Business Machines Corporation Method and apparatus for detecting asperities on magnetic disks using thermal proximity imaging
US6088176A (en) * 1993-04-30 2000-07-11 International Business Machines Corporation Method and apparatus for separating magnetic and thermal components from an MR read signal
US5629922A (en) * 1995-02-22 1997-05-13 Massachusetts Institute Of Technology Electron tunneling device using ferromagnetic thin films
US5625512A (en) * 1995-03-21 1997-04-29 International Business Machines Corporation Air bearing slider deflection apparatus and method for fabricating same
US5712463A (en) * 1995-09-19 1998-01-27 International Business Machines Corporation Laser apparatus and method for adjusting the gram load static attitude and flying height of a slider in a head suspension assembly
US5872676A (en) * 1996-01-02 1999-02-16 International Business Machines Corporation Method and apparatus for positioning a dual element magnetoresistive head using thermal signals
US5739972A (en) 1996-01-02 1998-04-14 Ibm Method and apparatus for positioning a magnetoresistive head using thermal response to servo information on the record medium
US5751510A (en) * 1996-01-02 1998-05-12 International Business Machines Corporation Method and apparatus for restoring a thermal response signal of a magnetoresistive head
US6178157B1 (en) * 1996-04-15 2001-01-23 Digital Papyrus Corporation Flying head with adjustable actuator load
US5835314A (en) * 1996-04-17 1998-11-10 Massachusetts Institute Of Technology Tunnel junction device for storage and switching of signals
US6052251A (en) * 1996-11-01 2000-04-18 Seagate Technology, Inc. Actuator arm integrated piezoelectric microactuator
USRE38340E1 (en) * 1996-11-04 2003-12-02 Seagate Technology Llc Multi-point bending of bars during fabrication of magnetic recording heads
US5753803A (en) * 1996-11-21 1998-05-19 International Business Machines Corporation Apparatus and methods for maintaining a substantially constant temperature in a thermal proximity sensor
US5943189A (en) * 1996-12-05 1999-08-24 Seagate Technology, Inc. Piezoelectric engageable slider and slider microactuator
WO1998027547A1 (en) * 1996-12-16 1998-06-25 Seagate Technology, Inc. Bimorph piezoelectric microactuator head and flexure assembly
DE19882261T1 (de) 1997-03-31 2000-02-24 Seagate Technology Mikrobetätiger mit Biegeelement
US5991113A (en) * 1997-04-07 1999-11-23 Seagate Technology, Inc. Slider with temperature responsive transducer positioning
US6396667B1 (en) 1997-06-24 2002-05-28 Seagate Technology Llc Electromagnetic disc drive microactuator and suspension
GB2342764B (en) 1997-06-27 2002-02-27 Seagate Technology Slider for disc storage system
US6362542B1 (en) 1997-08-15 2002-03-26 Seagate Technology Llc Piezoelectric microactuator for precise head positioning
JP4392986B2 (ja) * 1997-08-15 2010-01-06 シーゲイト テクノロジー エルエルシー ディスク記憶システム
US6239936B1 (en) 1997-08-19 2001-05-29 International Business Machines Corporation Method and apparatus for calibrating a thermal response of a magnetoresistive element
US6269687B1 (en) 1997-09-22 2001-08-07 Seagate Technology Llc Force sensing slider
US6288985B1 (en) 1997-09-22 2001-09-11 Seagate Technology Llc Microactuator for fine tracking in a magneto-optical drive
US6067215A (en) * 1997-10-09 2000-05-23 Seagate Technology, Inc. Magnetic shielding for electromagnetic microactuator
US6163434A (en) * 1997-10-23 2000-12-19 Seagate Technology Llc Piezoresistive position sensors embedded in disc drive microactuator
US6487043B1 (en) * 1997-12-04 2002-11-26 Seagate Technology Llc Cross texture head disc interface
US6003364A (en) * 1998-03-19 1999-12-21 Seagate Technology, Inc. Glide head for testing a disc surface
US6157522A (en) * 1998-04-07 2000-12-05 Seagate Technology Llc Suspension-level microactuator
US6215629B1 (en) 1998-04-16 2001-04-10 Seagate Technology Llc Unitary synchronous flexure microactuator
US6092412A (en) * 1998-05-05 2000-07-25 International Business Machines Corporation Glide height test signal processor and method using increased high frequency components
US6078473A (en) * 1998-05-13 2000-06-20 Seagate Technology, Inc. Gimbal flexure for use with microactuator
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
US6359758B1 (en) 1998-06-11 2002-03-19 Seagate Technology, Llc Rigid body microactuator having elastic joint attachment
US6414822B1 (en) 1998-06-11 2002-07-02 Seagate Technology Llc Magnetic microactuator
US6603639B1 (en) 1998-07-21 2003-08-05 Seagate Technology Llc Slider for disc storage system
US6233124B1 (en) 1998-11-18 2001-05-15 Seagate Technology Llc Piezoelectric microactuator suspension assembly with improved stroke length
US6459547B1 (en) 1998-12-09 2002-10-01 Seagate Technology Llc Slider with pads and textured landing zone for disc storage system
US6268984B1 (en) 1999-01-22 2001-07-31 Seagate Technology Llc Magnet configuration for head-level microactuator
US7411752B2 (en) * 1999-02-22 2008-08-12 Seagate Technology Llc Head vibration detection device and method
US6570730B1 (en) 1999-06-09 2003-05-27 Seagate Technology, Llc. Shear-based transducer for HDD read/write element height control
US6501625B1 (en) * 1999-06-29 2002-12-31 Hutchinson Technology Incorporated Disk drive suspension with multi-layered piezoelectric actuator controlled gram load
US6233206B1 (en) * 1999-10-26 2001-05-15 International Business Machines Corporation High density magnetic thermal recording and reproducing assembly
GB2373364B (en) 1999-12-02 2004-03-03 Seagate Technology Llc Fly height control over patterned media
US6536265B1 (en) 1999-12-02 2003-03-25 Seagate Technology Llc Micro-textured glide sliders for super-smooth media
US6735036B1 (en) 2000-01-13 2004-05-11 Seagate Technology Llc Control of data sensor fly height
JP2002015537A (ja) * 2000-06-28 2002-01-18 Matsushita Electric Ind Co Ltd 浮上ヘッドを用いたディスク装置のためのセンサーシステム
US6568252B1 (en) 2000-07-13 2003-05-27 Seagate Technology Llc Flyability and glide methodology for 100 GPSI
DE60120287T2 (de) * 2000-07-27 2007-06-06 Hitachi Global Storage Technologies Netherlands B.V. Kopfaufhängungsvorrichtung für Gerät zur Datenaufzeichnung auf Platten
US6661605B1 (en) 2000-07-28 2003-12-09 Seagate Technology Llc Transducing head having a reduced thermal pole tip recession
US7147539B1 (en) 2000-08-09 2006-12-12 Seagate Technology Llc Head performance based nano-machining process control for stripe forming of advanced sliders
US6747841B1 (en) 2000-09-06 2004-06-08 Seagate Technology Llc Optimization of temperature dependent variations in shield and pole recession/protrusion through use of a composite overcoat layer
WO2002033698A1 (en) 2000-10-13 2002-04-25 Seagate Technology Llc Disc drive slider having textured pads
JP3706015B2 (ja) * 2000-11-06 2005-10-12 株式会社日立グローバルストレージテクノロジーズ 磁気ディスク装置およびその制御方法
US6760181B2 (en) 2000-12-15 2004-07-06 Seagate Technology Llc Microactuator for dynamic controlling head-media interaction and fly-height
WO2002059880A2 (en) * 2001-01-25 2002-08-01 Seagate Technology Llc. Integrated electrostatic slider fly height control
DE10115463A1 (de) * 2001-03-29 2002-10-02 Duerr Systems Gmbh Zerstäuber für eine Beschichtungsanlage und Verfahren zu seiner Materialversorgung
US7755867B2 (en) * 2001-07-16 2010-07-13 Seagate Technology Llc Controlled air bearing (CAB) for magnetic spacing control
WO2003019538A1 (en) * 2001-08-22 2003-03-06 Seagate Technology Llc System and method for electrostatic fly height control
US6700724B2 (en) * 2001-08-22 2004-03-02 Seagate Technology Llc Contact detection and calibration for electrostatic fly height control in a disc drive
JP4111785B2 (ja) * 2001-09-18 2008-07-02 シャープ株式会社 液晶表示装置
US6680811B2 (en) * 2001-10-09 2004-01-20 International Business Machines Corporation System and method for enhancing load/unload performance of low-flying heads in a disk drive
US7199960B1 (en) * 2001-12-11 2007-04-03 Maxtor Corporation Disk drive with AC exciter for head/disk interface
US6744579B2 (en) * 2001-12-17 2004-06-01 International Business Machines Corporation Methods for detecting and mitigating the effects of hard drive head crashes
US6813118B2 (en) 2002-01-04 2004-11-02 Seagate Technology Llc Transducing head having improved studs and bond pads to reduce thermal deformation
US6999284B2 (en) * 2002-05-14 2006-02-14 Seagate Technology Llc Aerodynamic sliders with curved side surface
US6876526B2 (en) * 2002-06-12 2005-04-05 Seagate Technology Llc Bilayer shared pole extension for reduced thermal pole tip protrusion
US7675711B2 (en) * 2003-05-07 2010-03-09 Sae Magnetics (Hk) Ltd. Measuring and neutralizing the electrical charge at the interface of a magnetic head and media
US6967806B2 (en) * 2003-05-19 2005-11-22 Seagate Technology Llc Electrostatic actuator with multilayer electrode stack
US7495856B2 (en) * 2004-10-29 2009-02-24 Hitachi Global Storage Technologies Netherlands B.V. Disk drive slider design for thermal fly-height control and burnishing-on-demand
US7411264B2 (en) * 2004-11-18 2008-08-12 Seagate Technology Llc Etch-stop layers for patterning block structures for reducing thermal protrusion
US7215500B1 (en) 2005-11-29 2007-05-08 Hitachi Global Storage Technologies Netherlands B.V. Feedback control mechanism for active damping of slider air bearing vibrations in a hard disk drive slider
US7277252B1 (en) 2005-11-29 2007-10-02 Hitachi Global Storage Technologies Netherlands B.V. Method of feedback control for active damping of slider air bearing vibrations in a hard disk drive slider
US7359138B1 (en) 2005-11-29 2008-04-15 Hitachi Global Storage Technologies Nethelands, B.V. Method of feedback control for active damping of slider air bearing vibrations in a hard disk drive slider
US7193806B1 (en) 2005-11-29 2007-03-20 Hitachi Global Storage Technologies Netherlands B.V. Feedback control mechanism for active damping of slider air bearing vibrations in a hard disk drive slider
US7573668B2 (en) * 2006-01-16 2009-08-11 Samsung Electronics Co., Ltd. Method and apparatus for sensing leakage current to estimate and possibly adjust flying height of a read-write head in a hard disk drive
US7489466B2 (en) * 2006-12-27 2009-02-10 Hitachi Global Storage Technologies Netherlands B.V. Enabling intermittent contact recording on-demand
LU91622B1 (fr) * 2009-11-13 2011-05-16 Xavier De Waleffe Emballage pour preservatif
US8169726B2 (en) 2010-07-19 2012-05-01 Lsi Corporation Disk file preamplifier frequency-response and time delay compensation
US8681442B2 (en) * 2012-05-11 2014-03-25 Western Digital Technologies, Inc. Disk drive comprising extended range head proximity sensor
US9202497B2 (en) 2013-12-05 2015-12-01 Seagate Technology Llc Adjusting a clearance between a magnetic head and a magnetic recording medium using a magnetic force

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7210820A (de) * 1972-08-08 1974-02-12
CH643397A5 (de) * 1979-09-20 1984-05-30 Ibm Raster-tunnelmikroskop.
JPS5760566A (en) * 1980-09-29 1982-04-12 Fujitsu Ltd Magnetic head device
JPS5826324A (ja) * 1981-08-11 1983-02-16 Nec Corp 磁気記憶装置
JPS58115655A (ja) * 1981-12-28 1983-07-09 Seiko Epson Corp 磁気記憶装置
JPS58141346A (ja) * 1982-02-15 1983-08-22 Dowa Mining Co Ltd 産業副産物からの金属採取法
US4479090A (en) * 1982-09-30 1984-10-23 International Business Machines Corporation Circuitry for measuring magnetic head flying characteristics
JPS59152558A (ja) * 1983-02-21 1984-08-31 Comput Basic Mach Technol Res Assoc 磁気ヘツド支持機構
US4605977A (en) * 1983-12-14 1986-08-12 Sperry Corporation Air bearing head displacement sensor and positioner
EP0252745A3 (de) * 1986-07-11 1990-01-24 AGENCY OF INDUSTRIAL SCIENCE &amp; TECHNOLOGY MINISTRY OF INTERNATIONAL TRADE &amp; INDUSTRY Gerät zum Steuern relativer Verschiebungen

Also Published As

Publication number Publication date
ES2003495A6 (es) 1988-11-01
BR8605250A (pt) 1987-07-28
JPH0534748B2 (de) 1993-05-24
JPS62125521A (ja) 1987-06-06
US4853810A (en) 1989-08-01
EP0227845B1 (de) 1990-05-30
CA1290054C (en) 1991-10-01
EP0227845A1 (de) 1987-07-08

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Legal Events

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee