DE69723749D1 - Oberflächenmerkmale auf luftkissengelagerter Oberfläche zur Optimierung des Wandlerabstands - Google Patents

Oberflächenmerkmale auf luftkissengelagerter Oberfläche zur Optimierung des Wandlerabstands

Info

Publication number
DE69723749D1
DE69723749D1 DE69723749T DE69723749T DE69723749D1 DE 69723749 D1 DE69723749 D1 DE 69723749D1 DE 69723749 T DE69723749 T DE 69723749T DE 69723749 T DE69723749 T DE 69723749T DE 69723749 D1 DE69723749 D1 DE 69723749D1
Authority
DE
Germany
Prior art keywords
optimize
air cushions
transducer distance
supported
surface characteristics
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
DE69723749T
Other languages
English (en)
Other versions
DE69723749T2 (de
Inventor
Sanford A Bolasna
Laurence S Samuelson
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 DE69723749D1 publication Critical patent/DE69723749D1/de
Publication of DE69723749T2 publication Critical patent/DE69723749T2/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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
    • Y10T29/49032—Fabricating head structure or component thereof
    • Y10T29/49036—Fabricating head structure or component thereof including measuring or testing
    • Y10T29/49041—Fabricating head structure or component thereof including measuring or testing with significant slider/housing shaping or treating
DE69723749T 1996-03-01 1997-03-03 Oberflächenmerkmale auf luftkissengelagerter Oberfläche zur Optimierung des Wandlerabstands Expired - Fee Related DE69723749T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/609,602 US5825587A (en) 1996-03-01 1996-03-01 Shallow etch air bearing surface features for optimized transducer spacing
US609602 1996-03-01

Publications (2)

Publication Number Publication Date
DE69723749D1 true DE69723749D1 (de) 2003-09-04
DE69723749T2 DE69723749T2 (de) 2004-04-22

Family

ID=24441505

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69723749T Expired - Fee Related DE69723749T2 (de) 1996-03-01 1997-03-03 Oberflächenmerkmale auf luftkissengelagerter Oberfläche zur Optimierung des Wandlerabstands

Country Status (9)

Country Link
US (2) US5825587A (de)
EP (1) EP0793229B1 (de)
JP (1) JPH09265750A (de)
KR (1) KR100234652B1 (de)
CN (1) CN1102284C (de)
DE (1) DE69723749T2 (de)
MY (1) MY116853A (de)
SG (1) SG50784A1 (de)
TW (1) TW419648B (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6421205B1 (en) 1999-02-23 2002-07-16 International Business Machines Corporation Recessed slider trailing edge for reducing stiction
JP3914366B2 (ja) * 2000-02-22 2007-05-16 Ｔｄｋ株式会社 薄膜磁気ヘッド用スライダの製造方法
US6657820B2 (en) 2001-01-18 2003-12-02 Hitachi, Ltd. Magnetic head slider
US6852013B2 (en) * 2001-05-25 2005-02-08 Hitachi Global Storage Technologies Netherlands B.V. Method of burnishing a burnishable rear pad slider in a disk drive
US20020197936A1 (en) * 2001-06-21 2002-12-26 International Business Machines Corporation Method of burnishing a burnishable rear pad slider in a disk drive
US7233460B2 (en) * 2003-07-08 2007-06-19 Sae Magnetics (H.K.) Ltd. Ultra-low flying height slider design
JP2005235290A (ja) * 2004-02-19 2005-09-02 Hitachi Global Storage Technologies Netherlands Bv 磁気ヘッドスライダ
US7233459B2 (en) 2004-05-25 2007-06-19 Sae Magnetics (H.K.) Ltd. Integral wear-pad for slider-disk interference detection
US8300360B2 (en) * 2008-05-13 2012-10-30 Hitachi Global Storage Technologies, Netherlands B.V. Compliant air bearing slider
US8164860B1 (en) 2010-10-20 2012-04-24 Hitachi Global Storage Technologies Netherlands B.V. Servo write robust and good altitude performance ABS

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4673996B1 (en) * 1985-04-29 1997-02-04 James W White Magnetic head air bearing slider assembly utilizing transverse pressurization contours
JPS6443812A (en) * 1987-08-11 1989-02-16 Fujitsu Ltd Thin film magnetic head slider
JPH02156493A (ja) * 1988-12-09 1990-06-15 Victor Co Of Japan Ltd 浮上型磁気ヘッド構体
US5166845A (en) * 1989-02-22 1992-11-24 Iomega Corporation Integrated read/write heads, flexure assembly and air-bearing structure on common unitary substrate
US5097370A (en) * 1989-03-17 1992-03-17 Digital Equipment Corporation Subambient pressure air bearing slider for disk drive
JP2637823B2 (ja) * 1989-06-08 1997-08-06 ティーディーケイ株式会社 磁気ヘッド
US5343343A (en) * 1990-05-25 1994-08-30 Seagate Technology, Inc. Air bearing slider with relieved rail ends
JPH04134771A (ja) * 1990-09-27 1992-05-08 Tdk Corp 磁気ヘッド、磁気ヘッド装置及び磁気ヘッドの製造方法
JPH04307408A (ja) * 1991-04-03 1992-10-29 Sumitomo Special Metals Co Ltd 垂直磁気記録再生薄膜ヘッド
JPH04362582A (ja) * 1991-06-10 1992-12-15 Hitachi Ltd 磁気ディスク装置用薄膜磁気ヘッド
JPH04366411A (ja) * 1991-06-13 1992-12-18 Ngk Insulators Ltd 薄膜磁気ヘッド
US5267109A (en) * 1991-06-14 1993-11-30 Seagate Technology, Inc. Air bearing slider with relieved trailing edge
DE69216476T2 (de) * 1991-06-14 1997-04-24 Seagate Technology Luftgelagerter Gleitkörper mit entlasteter Hinterkante
US5327310A (en) * 1992-06-25 1994-07-05 Read-Rite Corporation Thin film contact recording head
JPH06203515A (ja) * 1992-11-30 1994-07-22 Read Rite Corp 磁気ヘッドスライダ
US5404256A (en) * 1992-12-07 1995-04-04 White; James W. Transverse and negative pressure contour gas bearing slider
JP3478556B2 (ja) * 1993-03-18 2003-12-15 松下電器産業株式会社 磁気ヘッドスライダ
JP2500479B2 (ja) * 1993-04-22 1996-05-29 ティーディーケイ株式会社 磁気ヘッド装置用スライダ及び該スライダの製造方法
CA2123436A1 (en) * 1993-06-04 1994-12-05 Fong-Jei Lin Thin film transducer with reduced flying height
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
US5654853A (en) * 1994-02-04 1997-08-05 Seagate Technology, Inc. Disc storage device having a magnetic head air bearing slider configuration for reduced disc overhead
US5774304A (en) * 1996-01-16 1998-06-30 Seagate Technology, Inc. Disc head slider having center rail with asymmetric edge steps

Also Published As

Publication number Publication date
KR100234652B1 (ko) 2000-01-15
DE69723749T2 (de) 2004-04-22
TW419648B (en) 2001-01-21
US5825587A (en) 1998-10-20
MY116853A (en) 2004-04-30
EP0793229B1 (de) 2003-07-30
EP0793229A1 (de) 1997-09-03
JPH09265750A (ja) 1997-10-07
SG50784A1 (en) 1998-07-20
CN1173695A (zh) 1998-02-18
CN1102284C (zh) 2003-02-26
US6421908B1 (en) 2002-07-23

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Legal Events

Date Code Title Description
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

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