WO2009057658A1 - 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 PDFInfo
- Publication number
- WO2009057658A1 WO2009057658A1 PCT/JP2008/069685 JP2008069685W WO2009057658A1 WO 2009057658 A1 WO2009057658 A1 WO 2009057658A1 JP 2008069685 W JP2008069685 W JP 2008069685W WO 2009057658 A1 WO2009057658 A1 WO 2009057658A1
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- WO
- WIPO (PCT)
- Prior art keywords
- magnetic head
- substrate
- recording medium
- medium drive
- ticxoynz
- Prior art date
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- 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
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
- C04B35/111—Fine ceramics
- C04B35/117—Composites
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- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
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- 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
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- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
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- 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
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- G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion
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- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
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- 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
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- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
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Abstract
本発明は、Al2O3が60質量%以上70質量%以下、TiCXOYNZ(但し、X、YおよびZは、0.5≦X≦0.993、0.005≦Y≦0.30、0.002≦Z≦0.20、0.507≦X+Y+Z≦1である。)が30質量%以上40質量%以下の範囲の焼結体からなる磁気ヘッド用基板に関する。焼結体は、切断面における任意の10μm以上の直線上に存在するAl2O3の結晶粒子およびTiCXOYNZの結晶粒子の個数の合計に対して、前記TiCXOYNZの結晶粒子の個数の比率が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。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US12/740,692 US20100315743A1 (en) | 2007-10-29 | 2010-04-29 | Magnetic read/write head substrate |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2007-279852 | 2007-10-29 | ||
JP2007279852A JP2009110571A (ja) | 2007-10-29 | 2007-10-29 | 磁気ヘッド用基板およびこれを用いた磁気ヘッドならびに記録媒体駆動装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US12/740,692 Continuation-In-Part US20100315743A1 (en) | 2007-10-29 | 2010-04-29 | Magnetic read/write head substrate |
Publications (1)
Publication Number | Publication Date |
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WO2009057658A1 true WO2009057658A1 (ja) | 2009-05-07 |
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ID=40591046
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Application Number | Title | Priority Date | Filing Date |
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PCT/JP2008/069685 WO2009057658A1 (ja) | 2007-10-29 | 2008-10-29 | 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 (3)
Country | Link |
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US (1) | US20100315743A1 (ja) |
JP (1) | JP2009110571A (ja) |
WO (1) | WO2009057658A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8526137B2 (en) * | 2010-04-16 | 2013-09-03 | International Business Machines Corporation | Head comprising a crystalline alumina layer |
JP6563709B2 (ja) | 2014-06-30 | 2019-08-21 | 日本タングステン株式会社 | 薄膜磁気ヘッド用基板、磁気ヘッドスライダ、および、ハードディスクドライブ装置 |
JP6563708B2 (ja) | 2014-06-30 | 2019-08-21 | 日本タングステン株式会社 | 薄膜磁気ヘッド用基板、磁気ヘッドスライダ、および、ハードディスクドライブ装置 |
JP6563710B2 (ja) | 2014-06-30 | 2019-08-21 | 日本タングステン株式会社 | 薄膜磁気ヘッド用基板、磁気ヘッドスライダ、および、ハードディスクドライブ装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
WO2006106873A1 (ja) * | 2005-03-30 | 2006-10-12 | Fukuoka Prefecture | 炭化チタン粉末および炭化チタン-セラミックス複合粉末とその製造方法ならびにその炭化チタン粉末の焼結体および炭化チタン-セラミックス複合粉末の焼結体とその製造方法 |
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 (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US559546A (en) * | 1896-05-05 | And william | ||
US6201663B1 (en) * | 1996-09-05 | 2001-03-13 | Kabushiki Kaisha Ohara | Magnetic head having a slider made of a glass-ceramic |
-
2007
- 2007-10-29 JP JP2007279852A patent/JP2009110571A/ja active Pending
-
2008
- 2008-10-29 WO PCT/JP2008/069685 patent/WO2009057658A1/ja active Application Filing
-
2010
- 2010-04-29 US US12/740,692 patent/US20100315743A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
WO2006106873A1 (ja) * | 2005-03-30 | 2006-10-12 | Fukuoka Prefecture | 炭化チタン粉末および炭化チタン-セラミックス複合粉末とその製造方法ならびにその炭化チタン粉末の焼結体および炭化チタン-セラミックス複合粉末の焼結体とその製造方法 |
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 |
Also Published As
Publication number | Publication date |
---|---|
US20100315743A1 (en) | 2010-12-16 |
JP2009110571A (ja) | 2009-05-21 |
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