DE69110720T2 - Kerngleitstück für steifen Magnetplattenantrieb und Herstellungsverfahren. - Google Patents

Kerngleitstück für steifen Magnetplattenantrieb und Herstellungsverfahren.

Info

Publication number
DE69110720T2
DE69110720T2 DE69110720T DE69110720T DE69110720T2 DE 69110720 T2 DE69110720 T2 DE 69110720T2 DE 69110720 T DE69110720 T DE 69110720T DE 69110720 T DE69110720 T DE 69110720T DE 69110720 T2 DE69110720 T2 DE 69110720T2
Authority
DE
Germany
Prior art keywords
manufacturing process
disk drive
magnetic disk
rigid magnetic
core slider
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
DE69110720T
Other languages
English (en)
Other versions
DE69110720D1 (de
Inventor
Soichiro Matsuzawa
Nobuhiro Terada
Hiroaki Yui
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.)
NGK Insulators Ltd
Original Assignee
NGK Insulators Ltd
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 NGK Insulators Ltd filed Critical NGK Insulators Ltd
Publication of DE69110720D1 publication Critical patent/DE69110720D1/de
Application granted granted Critical
Publication of DE69110720T2 publication Critical patent/DE69110720T2/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
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/10—Structure or manufacture of housings or shields for heads
    • 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
    • G11B5/10—Structure or manufacture of housings or shields for heads
    • G11B5/105—Mounting of head within housing or assembling of head and housing
    • 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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/193—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features the pole pieces being ferrite or other magnetic particles
    • 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
    • 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
    • Y10T29/49048—Machining magnetic material [e.g., grinding, etching, polishing]
    • Y10T29/49052—Machining magnetic material [e.g., grinding, etching, polishing] by etching
DE69110720T 1990-03-23 1991-03-22 Kerngleitstück für steifen Magnetplattenantrieb und Herstellungsverfahren. Expired - Fee Related DE69110720T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2074371A JPH0782629B2 (ja) 1990-03-23 1990-03-23 固定磁気ディスク装置用コアスライダ及びその製造方法

Publications (2)

Publication Number Publication Date
DE69110720D1 DE69110720D1 (de) 1995-08-03
DE69110720T2 true DE69110720T2 (de) 1996-02-08

Family

ID=13545242

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69110720T Expired - Fee Related DE69110720T2 (de) 1990-03-23 1991-03-22 Kerngleitstück für steifen Magnetplattenantrieb und Herstellungsverfahren.

Country Status (4)

Country Link
US (2) US5177654A (de)
EP (1) EP0449535B1 (de)
JP (1) JPH0782629B2 (de)
DE (1) DE69110720T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0602486B1 (de) * 1992-12-14 1999-02-10 Minebea Co.,Ltd. Schwebender Magnetkopf
US5522126A (en) * 1993-03-26 1996-06-04 Ngk Insulators, Ltd. Method of manufacturing a composite magnetic head
US6404591B1 (en) 1996-02-06 2002-06-11 Mitsumi Electric Co., Ltd. Magnetic head having cut-out portions for different recording density head cores
JP3300970B2 (ja) * 1996-04-12 2002-07-08 ミネベア株式会社 浮動型磁気ヘッドの製造方法
US6445542B1 (en) 2000-03-06 2002-09-03 Read-Rite Corporation Air bearing slider
US7477486B1 (en) 2005-12-07 2009-01-13 Western Digital (Fremont), Llc Air bearing slider with a side pad having a shallow recess depth

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5292710A (en) * 1976-01-30 1977-08-04 Hitachi Ltd Magnetic head
JPS5487516A (en) * 1977-12-23 1979-07-12 Fujitsu Ltd Magnetic head
FR2447072A1 (fr) * 1979-01-17 1980-08-14 Cii Honeywell Bull Corps contenant au moins un transducteur de lecture et/ou d'enregistrement des informations contenues sur un support
JPS5622217A (en) * 1979-08-01 1981-03-02 Hitachi Ltd Manufacture of magnetic head
JPS5625261A (en) * 1979-08-08 1981-03-11 Fujitsu Ltd Magnetic head
JPS60136004A (ja) * 1983-12-22 1985-07-19 Fujitsu Ltd 垂直磁化記録用ヘツドの製造方法
JPS61184708A (ja) * 1985-02-12 1986-08-18 Hitachi Metals Ltd 複合型磁気ヘツド
JPS61278005A (ja) * 1985-06-04 1986-12-08 Alps Electric Co Ltd 浮動式磁気ヘッド
JPS62124684A (ja) * 1985-11-25 1987-06-05 Yokogawa Electric Corp ヘツドスライダ
JPS6334714A (ja) * 1986-07-29 1988-02-15 Seiko Epson Corp 浮動型磁気ヘツドの製造方法
JPH01189020A (ja) * 1988-01-22 1989-07-28 Hitachi Metals Ltd 浮上型複合磁気ヘッド
JPH01276419A (ja) * 1988-04-27 1989-11-07 Seiko Epson Corp コンポジット型磁気ヘッドの製造方法
US4870521A (en) * 1988-06-23 1989-09-26 Kyocera Corporation Floating magnetic head

Also Published As

Publication number Publication date
JPH03273520A (ja) 1991-12-04
EP0449535A3 (en) 1992-11-25
EP0449535B1 (de) 1995-06-28
DE69110720D1 (de) 1995-08-03
EP0449535A2 (de) 1991-10-02
US5297330A (en) 1994-03-29
US5177654A (en) 1993-01-05
JPH0782629B2 (ja) 1995-09-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee