DE60111397D1 - Gerät und verfahren zur dynamischen steuerung des flugverhaltens und höhe eines lese/schreibkopfes in einem speichergerät - Google Patents

Gerät und verfahren zur dynamischen steuerung des flugverhaltens und höhe eines lese/schreibkopfes in einem speichergerät

Info

Publication number
DE60111397D1
DE60111397D1 DE60111397T DE60111397T DE60111397D1 DE 60111397 D1 DE60111397 D1 DE 60111397D1 DE 60111397 T DE60111397 T DE 60111397T DE 60111397 T DE60111397 T DE 60111397T DE 60111397 D1 DE60111397 D1 DE 60111397D1
Authority
DE
Germany
Prior art keywords
suspension arm
storage device
slider
read
height
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
DE60111397T
Other languages
English (en)
Other versions
DE60111397T2 (de
Inventor
Friedrich Berger
Andreas Dietzel
Friedrich Fleischmann
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
Original Assignee
Hitachi Global Storage Technologies Netherlands BV
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 filed Critical Hitachi Global Storage Technologies Netherlands BV
Application granted granted Critical
Publication of DE60111397D1 publication Critical patent/DE60111397D1/de
Publication of DE60111397T2 publication Critical patent/DE60111397T2/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
    • 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
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/16—Supporting the heads; Supporting the sockets for plug-in heads
    • G11B21/20—Supporting the heads; Supporting the sockets for plug-in heads while the head is in operative position but stationary or permitting minor movements to follow irregularities in surface of record carrier
    • G11B21/21—Supporting the heads; Supporting the sockets for plug-in heads while the head is in operative position but stationary or permitting minor movements to follow irregularities in surface of record carrier with provision for maintaining desired spacing of head from record carrier, e.g. fluid-dynamic spacing, slider
    • 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
    • G11B5/4806—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 specially adapted for disk drive assemblies, e.g. assembly prior to operation, hard or flexible disk drives
    • G11B5/4833—Structure of the arm assembly, e.g. load beams, flexures, parts of the arm adapted for controlling vertical force on the head
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/122—Flying-type heads, e.g. analogous to Winchester type in magnetic recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/1055—Disposition or mounting of transducers relative to record carriers
    • G11B11/1058—Flying heads
DE60111397T 2000-08-29 2001-08-11 Gerät und verfahren zur dynamischen steuerung des flugverhaltens und höhe eines lese/schreibkopfes in einem speichergerät Expired - Fee Related DE60111397T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP00118660 2000-08-29
EP00118660 2000-08-29
PCT/EP2001/009307 WO2002019330A1 (en) 2000-08-29 2001-08-11 Method and apparatus for dynamically controlling the flying behaviour and height of a read/write head in a storage device

Publications (2)

Publication Number Publication Date
DE60111397D1 true DE60111397D1 (de) 2005-07-14
DE60111397T2 DE60111397T2 (de) 2006-03-16

Family

ID=8169683

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60111397T Expired - Fee Related DE60111397T2 (de) 2000-08-29 2001-08-11 Gerät und verfahren zur dynamischen steuerung des flugverhaltens und höhe eines lese/schreibkopfes in einem speichergerät

Country Status (10)

Country Link
US (1) US6707646B2 (de)
EP (1) EP1314160B1 (de)
JP (1) JP2004508650A (de)
KR (1) KR100611089B1 (de)
CN (2) CN1267925C (de)
AT (1) ATE297591T1 (de)
AU (1) AU2001284008A1 (de)
DE (1) DE60111397T2 (de)
TW (1) TW563102B (de)
WO (1) WO2002019330A1 (de)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7068470B1 (en) * 2001-07-09 2006-06-27 Maxtor Corporation Composite head arm assembly with thermal control of gram load
JP2003288765A (ja) * 2002-03-28 2003-10-10 Fujitsu Ltd 磁気ヘッド
US6947242B2 (en) * 2002-04-16 2005-09-20 Hitachi Global Storage Technologies Netherlands B.V. Apparatus and method for dynamic fly height adjustment
US7016154B2 (en) * 2003-03-05 2006-03-21 Komag, Inc. Magnetic recording disk having a safe zone
DE102004010336A1 (de) 2003-03-05 2004-09-16 Komag, Inc., San Jose Magnetische Aufzeichnungsplatte mit Übergangszone
US6914752B2 (en) * 2003-03-26 2005-07-05 Hitachi Global Storage Technologies Netherlands B.V. Magnetic recording disk drive with continuous contact air-bearing slider
US7239485B2 (en) * 2003-08-21 2007-07-03 Seagate Technology Llc Localized heating element for a suspension assembly
US7072136B2 (en) * 2003-09-25 2006-07-04 Hitachi Global Storage Technologies Netherlands B.V. Method and apparatus for dynamically establishing pitch static attitude in hard disk drive
US7023647B2 (en) * 2003-11-17 2006-04-04 Texas Instruments Incorporated Fly height control for a read/write head in a hard disk drive
US6967798B2 (en) * 2003-12-19 2005-11-22 Komag, Inc. Magnetic recording disk having DTR patterned CSS zone
JP4255869B2 (ja) * 2004-03-24 2009-04-15 ヒタチグローバルストレージテクノロジーズネザーランドビーブイ 磁気ディスク装置およびそれに用いる磁気ヘッドスライダ
US7724473B1 (en) * 2004-04-29 2010-05-25 Seagate Technology Llc Slider with actuator-transducer separation and roll activation
US7660080B1 (en) 2004-04-30 2010-02-09 Western Digital (Fremont), Llc Read/write head with dynamic flying height control by magnetostriction
US7092195B1 (en) 2004-05-28 2006-08-15 Western Digital (Fremont), Inc. Method of using a magnetic write head having an internal heater
US7315436B1 (en) 2004-06-25 2008-01-01 Western Digital Technologies, Inc. Suspension assembly with a shape memory actuator coupled to a gimbal
US7436631B1 (en) * 2004-06-30 2008-10-14 Western Digital (Fremont), Llc Heated gimbal for magnetic head to disk clearance adjustment
US7126777B2 (en) * 2004-07-30 2006-10-24 Hitachi Global Storage Technologies Netherlands B.V. Disk drive with selectable power source for heater in a slider
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
US7233456B2 (en) * 2004-11-05 2007-06-19 Hitachi Global Storage Technologies Netherlands B.V. Method for eliminating the need for a dedicated landing zone at the outer diameter of a storage system's platter
US20060146437A1 (en) * 2004-12-30 2006-07-06 Andrei Khurshudov Apparatus for detecting contact between a read-write head and the accessed disk surface in a hard disk drive
US7428124B1 (en) 2005-01-18 2008-09-23 Western Digital (Fremont), Llc Magnetic recording head with resistive heating element and thermal barrier layer
US7372665B1 (en) 2005-01-18 2008-05-13 Western Digital (Fremont), Llc Magnetic recording head with resistive heating element located near the write coil
US7430098B1 (en) 2005-01-18 2008-09-30 Western Digital (Fremont), Llc Perpendicular magnetic recording head with dynamic flying height heating element
US7190543B2 (en) * 2005-01-31 2007-03-13 Hitachi Global Storage Technologies Netherlands B.V. Method and apparatus for optimizing flying height control using heated sliders
US7088545B1 (en) 2005-06-28 2006-08-08 Western Digital Technologies, Inc. Disk drive decreasing head temperature to increase fly-height during seek operation
US7330323B1 (en) 2005-06-28 2008-02-12 Western Digital Technologies, Inc. Disk drive determining a head-switch preheat period used to format a disk
KR20070087871A (ko) 2006-01-06 2007-08-29 삼성전자주식회사 하드 디스크 드라이브의 헤드슬라이더
US7280305B2 (en) * 2006-01-13 2007-10-09 Samsung Electronics Co., Ltd. Method and apparatus for estimating and controlling the flying height of a read-write head in a hard disk drive
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
US7515372B2 (en) * 2006-04-03 2009-04-07 Seagate Technology Llc Compensating the effects of static head-media spacing variations and nonlinear transition shift in heat assisted magnetic recording
KR100761841B1 (ko) * 2006-04-04 2007-09-28 삼성전자주식회사 리트라이 모드에서의 자기 헤드의 비행 높이 제어 장치 및방법과 이를 이용한 디스크 드라이브
US20080055772A1 (en) * 2006-09-01 2008-03-06 Mcmillan Chris Method and apparatus for predicting contact of a read-write head in a hard disk drive
US7417820B2 (en) * 2006-12-11 2008-08-26 Tdk Corporation Head support mechanism, magnetic head assembly, and magnetic disk drive apparatus
KR100855973B1 (ko) * 2007-01-24 2008-09-02 삼성전자주식회사 자기 헤드 부상 높이를 조절하는 하드디스크 드라이브 및그 방법
JP2008192187A (ja) 2007-01-31 2008-08-21 Fujitsu Ltd ヘッド制御装置、記憶装置および接触検出方法
KR100856127B1 (ko) * 2007-02-12 2008-09-03 삼성전자주식회사 하드디스크 드라이브, ｔａ 시그널을 이용한 하드디스크드라이브의 ｆｏｄ 제어방법 및 그 방법을 수행하는 컴퓨터프로그램을 기록한 기록매체
US9659584B2 (en) * 2007-03-13 2017-05-23 Headway Technologies, Inc. Dynamic flying height read/write head with off-track contact capability at touch down in hard disk drives
KR100897561B1 (ko) * 2007-04-27 2009-05-15 삼성전자주식회사 하드디스크 드라이브, 하드디스크 드라이브의 자기 헤드의부상높이 제어 방법 및 그 방법을 수행하는 컴퓨터프로그램을 기록한 기록매체
US8169743B2 (en) * 2007-07-20 2012-05-01 Hitachi Global Storage Technologies, Netherlands B.V. Minimizing slider vibration effects on a magnetic transducer
US7869163B2 (en) * 2007-08-23 2011-01-11 International Business Machines Corporation Air bearing at opposite side of linear tape to support tape into contact with head slider
US20090262458A1 (en) * 2008-04-21 2009-10-22 Sae Magnetics (Hk) Ltd. ABS design for dynamic flying height (DFH) applications
US8054583B2 (en) * 2008-06-30 2011-11-08 Headway Technologies, Inc. Ta/W film as heating device for dynamic fly height adjustment
US8218265B2 (en) * 2008-08-14 2012-07-10 International Business Machines Corporation Apparatus, system, and method for overcoming stiction in a magnetic tape device
GB2513572A (en) * 2013-04-29 2014-11-05 Ibm Tape head with thermal tape-head distance sensor
TWI605959B (zh) * 2017-03-24 2017-11-21 方成未來股份有限公司 主動式懸吊裝置的避震參數調整方法與系統

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3706861A (en) * 1969-09-18 1972-12-19 Rca Corp Apparatus for mounting and spacing a signal transducer with respect to a recording medium
US5021906A (en) 1989-10-31 1991-06-04 International Business Machines Corporation Programmable air bearing slider including magnetic read/write element
JPH05189906A (ja) 1992-01-14 1993-07-30 Sony Corp 浮上型磁気ヘッドの製造方法
JP2587162B2 (ja) * 1992-01-22 1997-03-05 富士通株式会社 磁気ディスク装置のヘッドアーム
JPH0684221A (ja) 1992-09-02 1994-03-25 Sony Corp 磁気ヘッド装置及び光ピックアップ装置
US5377058A (en) 1992-12-31 1994-12-27 International Business Machines Corporation Fly height servo control of read/write head suspension
JPH0830947A (ja) 1994-07-12 1996-02-02 Toshiba Corp 磁気記録再生装置
JPH08287634A (ja) 1995-04-18 1996-11-01 Fujitsu Ltd 磁気ヘッド支持機構
WO1998027547A1 (en) 1996-12-16 1998-06-25 Seagate Technology, Inc. Bimorph piezoelectric microactuator head and flexure assembly
EP0886264B1 (de) 1997-06-19 2001-02-07 STMicroelectronics S.r.l. Aufhängungsarm für einen Kopf für eine Plattenspeichervorrichtung
US6359759B1 (en) * 1997-08-14 2002-03-19 Texas Instruments Incorporated Aerodynamic fly-height and turbulence control for hard disk drive heads using microactuators
US6297937B1 (en) * 1998-02-24 2001-10-02 Seagate Technology Llc Suspension with adjustable preload
US6501625B1 (en) * 1999-06-29 2002-12-31 Hutchinson Technology Incorporated Disk drive suspension with multi-layered piezoelectric actuator controlled gram load
US6307719B1 (en) * 1999-11-17 2001-10-23 Maxtor Corporation Suspension assembly with adjustable gramload
JP2001184819A (ja) * 1999-12-21 2001-07-06 Fujitsu Ltd ヘッド支持体及びディスク装置

Also Published As

Publication number Publication date
EP1314160B1 (de) 2005-06-08
ATE297591T1 (de) 2005-06-15
DE60111397T2 (de) 2006-03-16
AU2001284008A1 (en) 2002-03-13
EP1314160A1 (de) 2003-05-28
KR20030033033A (ko) 2003-04-26
CN1447971A (zh) 2003-10-08
WO2002019330A1 (en) 2002-03-07
KR100611089B1 (ko) 2006-08-10
US6707646B2 (en) 2004-03-16
JP2004508650A (ja) 2004-03-18
CN1267925C (zh) 2006-08-02
CN1822194A (zh) 2006-08-23
US20020024774A1 (en) 2002-02-28
TW563102B (en) 2003-11-21

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