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PT84722B - Aparelho e sistemas com cabecas transdutoras actuado micromecanicamente para um sistema de transferencia de informacao - Google Patents

Aparelho e sistemas com cabecas transdutoras actuado micromecanicamente para um sistema de transferencia de informacao

Info

Publication number
PT84722B
PT84722B PT84722A PT8472287A PT84722B PT 84722 B PT84722 B PT 84722B PT 84722 A PT84722 A PT 84722A PT 8472287 A PT8472287 A PT 8472287A PT 84722 B PT84722 B PT 84722B
Authority
PT
Portugal
Prior art keywords
micromecanically
transducing
cables
actuated
systems
Prior art date
Application number
PT84722A
Other languages
English (en)
Other versions
PT84722A (en
Inventor
John Cocke
Vijayeshwar D Khanna
Celia E Yeack-Scranton
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of PT84722A publication Critical patent/PT84722A/pt
Publication of PT84722B publication Critical patent/PT84722B/pt

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
    • G11B5/54—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
    • G11B5/5552—Track change, selection or acquisition by displacement of the head across disk tracks using fine positioning means for track acquisition separate from the coarse (e.g. track changing) positioning means
    • 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
    • G11B21/02—Driving or moving of heads
    • G11B21/12—Raising and lowering; Back-spacing or forward-spacing along track; Returning to starting position otherwise than during transducing operation
    • 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
    • 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
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/10—Indicating arrangements; Warning arrangements
    • 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
    • G11B5/48—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
    • 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/0937—Piezoelectric actuators
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Polarising Elements (AREA)
  • Adjustment Of Camera Lenses (AREA)
PT84722A 1986-04-22 1987-04-20 Aparelho e sistemas com cabecas transdutoras actuado micromecanicamente para um sistema de transferencia de informacao PT84722B (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US85502286A 1986-04-22 1986-04-22

Publications (2)

Publication Number Publication Date
PT84722A PT84722A (en) 1987-05-01
PT84722B true PT84722B (pt) 1989-12-29

Family

ID=25320143

Family Applications (1)

Application Number Title Priority Date Filing Date
PT84722A PT84722B (pt) 1986-04-22 1987-04-20 Aparelho e sistemas com cabecas transdutoras actuado micromecanicamente para um sistema de transferencia de informacao

Country Status (5)

Country Link
EP (1) EP0242597A3 (pt)
JP (1) JPS62250570A (pt)
BR (1) BR8701661A (pt)
CA (1) CA1275503C (pt)
PT (1) PT84722B (pt)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5021906A (en) * 1989-10-31 1991-06-04 International Business Machines Corporation Programmable air bearing slider including magnetic read/write element
JPH06208771A (ja) * 1991-09-12 1994-07-26 Internatl Business Mach Corp <Ibm> スライダ及びこのスライダを用いたデイスク記録装置
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
US5455730A (en) * 1993-02-18 1995-10-03 International Business Machines Corporation Contact magnetic recording disk file with a magnetoresistive read sensor
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
DE19607379C2 (de) * 1995-03-01 2002-04-04 Fujitsu Ltd Verfahren zum Herstellen eines Dünnfilm-Magnetkopfgleiters
US5920978A (en) * 1995-03-01 1999-07-13 Fujitsu Limited Method of making a thin film magnetic slider
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
WO1997039447A1 (en) * 1996-04-15 1997-10-23 Digital Papyrus Technologies A flying head positioner with fine positioning
US6178157B1 (en) * 1996-04-15 2001-01-23 Digital Papyrus Corporation Flying head with adjustable actuator load
US6125008A (en) * 1996-04-15 2000-09-26 Digital Papyrus Corporation Flying head positioner having rotational fine positioning and adjustable actuator load
WO1997039445A1 (en) * 1996-04-15 1997-10-23 Digital Papyrus Technologies Method and apparatus for detecting the minimum glide height of a flying head and for focusing a lens carried on a flying head
JP3653602B2 (ja) * 1996-10-31 2005-06-02 株式会社日立製作所 磁気ディスク装置
JP3584306B2 (ja) * 1996-11-06 2004-11-04 株式会社日立製作所 磁気記録装置
KR100356101B1 (ko) * 1996-12-04 2003-01-14 우릴크 로보우 육류 또는 야채 또는 농산물 및 사료를 소독 또는 살균하기 위한 방법 및 장치.
US6239936B1 (en) 1997-08-19 2001-05-29 International Business Machines Corporation Method and apparatus for calibrating a thermal response of a magnetoresistive element
JP3297358B2 (ja) * 1997-09-19 2002-07-02 富士通株式会社 ヘッドスライダおよびその形成方法
JP4146017B2 (ja) 1998-03-24 2008-09-03 セイコーインスツル株式会社 近視野光学ヘッド
US6055132A (en) * 1998-06-04 2000-04-25 Internatinal Business Machines Corporation Integrated lead suspension flexure for attaching a micro-actuator with a transducer slider
WO2001035397A1 (en) 1999-11-08 2001-05-17 Koninklijke Philips Electronics N.V. A device for positioning a transducing head by means of a drive and a microactuator
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
JP3689635B2 (ja) * 2000-11-15 2005-08-31 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
US7230799B2 (en) 2001-08-20 2007-06-12 Hitachi Global Storage Technologies Electro-thermal micromechanical actuator for finitely positioning a storage device slider and methods of use and manufacture
US7336443B2 (en) 2002-02-27 2008-02-26 Seagate Technology Llc Slider for a data storage device with a floating transducer body and method of fabrication therefor
US7126792B2 (en) * 2002-02-27 2006-10-24 Seagate Technology Llc Slider for a data storage device including transducer level micro-positioning and method of fabrication therefor
US6883368B2 (en) * 2002-04-18 2005-04-26 Hitachi Global Storage Technologies Netherlands B.V. Method and apparatus for characterizing the microwaviness of a disk surface
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
US7009801B2 (en) 2003-09-25 2006-03-07 Hitachi Global Storage Technologies Netherlands, B.V. Method and apparatus for dynamically establishing roll static attitude in hard disk drive
US7362533B2 (en) 2004-07-30 2008-04-22 Hitachi Global Storage Technologies Netherlands B.V. Disk drive with slider burnishing-on-demand
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
JP2006164388A (ja) 2004-12-07 2006-06-22 Hitachi Global Storage Technologies Netherlands Bv 磁気ヘッドスライダの浮上量制御方法および磁気ディスク装置
JP2006277883A (ja) 2005-03-30 2006-10-12 Fujitsu Ltd 磁気ヘッドスライダー
US7593188B2 (en) 2006-03-31 2009-09-22 Hitachi Global Storage Technologies Netherlands, B.V. Low protrusion compensation air bearing
JP2007293948A (ja) 2006-04-21 2007-11-08 Fujitsu Ltd 情報記録再生装置、ヘッド浮上量制御方法、ヘッド浮上制御回路
US7489466B2 (en) 2006-12-27 2009-02-10 Hitachi Global Storage Technologies Netherlands B.V. Enabling intermittent contact recording on-demand
US8958178B2 (en) 2009-07-29 2015-02-17 HGST Netherlands B.V. Reducing slider bounce in a hard disk drive

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3632900A (en) * 1969-12-31 1972-01-04 Ibm Magnetic transducer displacement control system
NL7210820A (pt) * 1972-08-08 1974-02-12
JPS6047271A (ja) * 1983-08-26 1985-03-14 Nippon Telegr & Teleph Corp <Ntt> 浮動ヘツド
US4605977A (en) * 1983-12-14 1986-08-12 Sperry Corporation Air bearing head displacement sensor and positioner
US4532802A (en) * 1984-05-31 1985-08-06 International Business Machines Corporation Apparatus for analyzing the interface between a recording disk and a read-write head
US4669011A (en) * 1985-05-03 1987-05-26 Eastman Kodak Company Slider assembly with dynamically positionable transducer

Also Published As

Publication number Publication date
PT84722A (en) 1987-05-01
EP0242597A3 (en) 1989-05-24
BR8701661A (pt) 1988-01-05
EP0242597A2 (en) 1987-10-28
CA1275503C (en) 1990-10-23
JPS62250570A (ja) 1987-10-31

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Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 19921231