WO2009001945A1 - 磁気ヘッド用基板、磁気ヘッドおよび記録媒体駆動装置 - Google Patents

磁気ヘッド用基板、磁気ヘッドおよび記録媒体駆動装置 Download PDF

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Publication number
WO2009001945A1
WO2009001945A1 PCT/JP2008/061778 JP2008061778W WO2009001945A1 WO 2009001945 A1 WO2009001945 A1 WO 2009001945A1 JP 2008061778 W JP2008061778 W JP 2008061778W WO 2009001945 A1 WO2009001945 A1 WO 2009001945A1
Authority
WO
WIPO (PCT)
Prior art keywords
magnetic head
substrate
recording medium
drive device
medium drive
Prior art date
Application number
PCT/JP2008/061778
Other languages
English (en)
French (fr)
Inventor
Yucong Wang
Shuji Nakazawa
Yuuya Nakao
Takuya Gentsu
Nobuyuki Horiuchi
Original Assignee
Kyocera Corporation
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 Kyocera Corporation filed Critical Kyocera Corporation
Priority to CN2008800215896A priority Critical patent/CN101689374B/zh
Priority to JP2009520656A priority patent/JP5295109B2/ja
Publication of WO2009001945A1 publication Critical patent/WO2009001945A1/ja
Priority to US12/642,708 priority patent/US8318330B2/en

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
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3103—Structure or manufacture of integrated heads or heads mechanically assembled and electrically connected to a support or housing
    • G11B5/3106—Structure or manufacture of integrated heads or heads mechanically assembled and electrically connected to a support or housing where the integrated or assembled structure comprises means for conditioning against physical detrimental influence, e.g. wear, contamination
    • 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
    • G11B5/102—Manufacture of 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
    • G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
    • G11B5/3163—Fabrication methods or processes specially adapted for a particular head structure, e.g. using base layers for electroplating, using functional layers for masking, using energy or particle beams for shaping the structure or modifying the properties of the basic layers
    • G11B5/3173—Batch fabrication, i.e. producing a plurality of head structures in one batch
    • 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
    • G11B5/40—Protective measures on heads, e.g. against excessive temperature 
    • 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
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/11—Magnetic recording head
    • Y10T428/1157—Substrate composition

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Magnetic Heads (AREA)

Abstract

　本発明は、Ａｌ２Ｏ３が６０質量％以上７０質量％以下、ＴｉＣが３０質量％以上４０質量％以下の範囲である焼結体からなる磁気ヘッド用基板に関する。磁気ヘッド用基板７，７′は、焼結体の切断面における任意の１０μｍ以上の直線上に存在するＴｉＣ結晶粒子の個数の比率が、前記直線上に存在するＴｉＣ結晶粒子の個数およびＡｌ２Ｏ３結晶粒子の個数の合計に対して５５％以上７５％以下である。本発明はさらに、前記磁気ヘッド用基板から得られる磁気ヘッド、および前記磁気ヘッドを備えた記録媒体駆動装置に関する。
PCT/JP2008/061778 2007-06-27 2008-06-27 磁気ヘッド用基板、磁気ヘッドおよび記録媒体駆動装置 WO2009001945A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN2008800215896A CN101689374B (zh) 2007-06-27 2008-06-27 磁头用基板、磁头以及记录介质驱动装置
JP2009520656A JP5295109B2 (ja) 2007-06-27 2008-06-27 磁気ヘッド用基板、磁気ヘッドおよび記録媒体駆動装置
US12/642,708 US8318330B2 (en) 2007-06-27 2009-12-18 Magnetic read/write head substrate

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007169694 2007-06-27
JP2007-169694 2007-06-27

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/642,708 Continuation-In-Part US8318330B2 (en) 2007-06-27 2009-12-18 Magnetic read/write head substrate

Publications (1)

Publication Number Publication Date
WO2009001945A1 true WO2009001945A1 (ja) 2008-12-31

Family

ID=40185754

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/061778 WO2009001945A1 (ja) 2007-06-27 2008-06-27 磁気ヘッド用基板、磁気ヘッドおよび記録媒体駆動装置

Country Status (4)

Country Link
US (1) US8318330B2 (ja)
JP (1) JP5295109B2 (ja)
CN (1) CN101689374B (ja)
WO (1) WO2009001945A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013180933A (ja) * 2012-03-02 2013-09-12 Hitachi Metals Ltd セラミックス基板、磁気ヘッドスライダー、ハードディスクドライブおよびセラミックス基板の製造方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63100054A (ja) * 1985-09-06 1988-05-02 住友特殊金属株式会社 磁気ヘツド基板用材料
JPH05194022A (ja) * 1992-01-24 1993-08-03 Mitsubishi Materials Corp セラミックス複合材料及びその製造方法
JP2004164771A (ja) * 2002-11-14 2004-06-10 Fujitsu Ltd 磁気ディスク用ヘッドスライダ
JP2007031191A (ja) * 2005-07-25 2007-02-08 Tdk Corp 磁気ヘッドスライダ用焼結体、磁気ヘッドスライダ、及び、磁気ヘッドスライダ用焼結体の製造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4902651A (en) 1986-06-20 1990-02-20 Sumitomo Special Metals, Co. Material for magnetic head substrate member
JP3121980B2 (ja) 1994-03-03 2001-01-09 京セラ株式会社 磁気ヘッド用基板
JP2000103667A (ja) * 1998-09-30 2000-04-11 Kyocera Corp Ａｌ２Ｏ３−ＴｉＣ系焼結体及びこれを用いた薄膜磁気ヘッド用基板
JP3962727B2 (ja) * 2004-05-21 2007-08-22 Ｔｄｋ株式会社 磁気ヘッドスライダ用材料、磁気ヘッドスライダ、及び磁気ヘッドスライダ用材料の製造方法
JP4646548B2 (ja) 2004-05-28 2011-03-09 京セラ株式会社 Ａｌ２Ｏ３系セラミックスの製造方法
JP4009292B2 (ja) 2005-01-06 2007-11-14 Ｔｄｋ株式会社 磁気ヘッドスライダ用材料、磁気ヘッドスライダ、及び磁気ヘッドスライダ用材料の製造方法
JP4025791B2 (ja) 2005-06-27 2007-12-26 Ｔｄｋ株式会社 磁気ヘッドスライダ用材料、磁気ヘッドスライダ、及び磁気ヘッドスライダ用材料の製造方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63100054A (ja) * 1985-09-06 1988-05-02 住友特殊金属株式会社 磁気ヘツド基板用材料
JPH05194022A (ja) * 1992-01-24 1993-08-03 Mitsubishi Materials Corp セラミックス複合材料及びその製造方法
JP2004164771A (ja) * 2002-11-14 2004-06-10 Fujitsu Ltd 磁気ディスク用ヘッドスライダ
JP2007031191A (ja) * 2005-07-25 2007-02-08 Tdk Corp 磁気ヘッドスライダ用焼結体、磁気ヘッドスライダ、及び、磁気ヘッドスライダ用焼結体の製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013180933A (ja) * 2012-03-02 2013-09-12 Hitachi Metals Ltd セラミックス基板、磁気ヘッドスライダー、ハードディスクドライブおよびセラミックス基板の製造方法

Also Published As

Publication number Publication date
JP5295109B2 (ja) 2013-09-18
US8318330B2 (en) 2012-11-27
JPWO2009001945A1 (ja) 2010-08-26
CN101689374B (zh) 2012-03-28
US20100091404A1 (en) 2010-04-15
CN101689374A (zh) 2010-03-31

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