JP6563709B2 - 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 - Google Patents
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 Download PDFInfo
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- JP6563709B2 JP6563709B2 JP2015125848A JP2015125848A JP6563709B2 JP 6563709 B2 JP6563709 B2 JP 6563709B2 JP 2015125848 A JP2015125848 A JP 2015125848A JP 2015125848 A JP2015125848 A JP 2015125848A JP 6563709 B2 JP6563709 B2 JP 6563709B2
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- 239000000758 substrate Substances 0.000 title claims description 72
- 239000010409 thin film Substances 0.000 title claims description 24
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 65
- 239000000843 powder Substances 0.000 description 60
- 238000005245 sintering Methods 0.000 description 44
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 33
- 238000000034 method Methods 0.000 description 32
- 239000002994 raw material Substances 0.000 description 21
- 238000005520 cutting process Methods 0.000 description 19
- 239000013078 crystal Substances 0.000 description 18
- 229910052760 oxygen Inorganic materials 0.000 description 16
- 229910010413 TiO 2 Inorganic materials 0.000 description 12
- 238000001312 dry etching Methods 0.000 description 11
- 239000010408 film Substances 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 229910052757 nitrogen Inorganic materials 0.000 description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 9
- 238000005530 etching Methods 0.000 description 9
- 239000001301 oxygen Substances 0.000 description 9
- 238000012545 processing Methods 0.000 description 9
- 230000003746 surface roughness Effects 0.000 description 9
- 238000010298 pulverizing process Methods 0.000 description 7
- 239000000654 additive Substances 0.000 description 6
- 230000000996 additive effect Effects 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 238000000992 sputter etching Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 239000011812 mixed powder Substances 0.000 description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000001513 hot isostatic pressing Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 238000010884 ion-beam technique Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000001020 plasma etching Methods 0.000 description 4
- 229910003087 TiOx Inorganic materials 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- HLLICFJUWSZHRJ-UHFFFAOYSA-N tioxidazole Chemical compound CCCOC1=CC=C2N=C(NC(=O)OC)SC2=C1 HLLICFJUWSZHRJ-UHFFFAOYSA-N 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- 239000010431 corundum Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000010301 surface-oxidation reaction Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910000505 Al2TiO5 Inorganic materials 0.000 description 1
- MXRIRQGCELJRSN-UHFFFAOYSA-N O.O.O.[Al] Chemical compound O.O.O.[Al] MXRIRQGCELJRSN-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000009694 cold isostatic pressing Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000007561 laser diffraction method Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- AABBHSMFGKYLKE-SNAWJCMRSA-N propan-2-yl (e)-but-2-enoate Chemical compound C\C=C\C(=O)OC(C)C AABBHSMFGKYLKE-SNAWJCMRSA-N 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000000427 thin-film deposition Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
-
- 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
- G11B5/48—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
- G11B5/127—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
-
- 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
- G11B5/3169—Working or finishing the interfacing surface of heads, e.g. lapping of 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
- G11B5/127—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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Magnetic Heads (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
Description
たとき、Al2O3粉末の質量%は、例えば50質量%以上75質量%以下である。また、TiC粉末とTiO2粉末との合計質量%は、例えば、25質量%以上50質量%以下で
ある。また、TiC粉末とTiO2粉末との合計質量を100質量部としたとき、TiC
粉末の質量比は、例えば、90質量部以上97.2質量部以下であり、TiO2粉末の質
量比は、例えば、2.8質量部以上10質量部以下である。
4 プラッタ
6 モータ
8 制御装置
10 薄膜磁気ヘッドスライダアセンブリ
11 基板
12、23 素子
13 ディスク
14 ジンバル
20 薄膜磁気ヘッドスライダ
21 AlTiC基板
22、24 Al2O3膜
25 ABS形成面
100 ハードディスクドライブ装置
Claims (5)
- Al2O3相とTiC相とを含むAl2O3−TiC系薄膜磁気ヘッド用基板であって、
前記Al2O3相のc軸の格子定数が12.992Å以上12.998Å以下であり、かつ、前記TiC相の格子定数が4.317Å以上4.325Å以下である、Al2O3−TiC系薄膜磁気ヘッド用基板。 - 前記TiC相の格子定数が4.318Å以上4.325Å以下である、請求項1に記載のAl2O3−TiC系薄膜磁気ヘッド用基板。
- 前記Al2O3相のc軸の格子定数が12.992Å以上12.995Å以下であり、かつ、前記TiC相の格子定数が4.320Å以上4.325Å以下である、請求項1に記載のAl2O3−TiC系薄膜磁気ヘッド用基板。
- 請求項1から3のいずれかに記載のAl2O3−TiC系薄膜磁気ヘッド用基板を用いた磁気ヘッドスライダ。
- 請求項4に記載の磁気ヘッドスライダを備えたハードディスクドライブ装置。
Priority Applications (1)
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JP2015125848A JP6563709B2 (ja) | 2014-06-30 | 2015-06-23 | 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 |
Applications Claiming Priority (3)
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JP2014134420 | 2014-06-30 | ||
JP2014134420 | 2014-06-30 | ||
JP2015125848A JP6563709B2 (ja) | 2014-06-30 | 2015-06-23 | 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 |
Publications (2)
Publication Number | Publication Date |
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JP2016027515A JP2016027515A (ja) | 2016-02-18 |
JP6563709B2 true JP6563709B2 (ja) | 2019-08-21 |
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JP2015125848A Active JP6563709B2 (ja) | 2014-06-30 | 2015-06-23 | 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 |
Country Status (2)
Country | Link |
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US (1) | US9293156B2 (ja) |
JP (1) | JP6563709B2 (ja) |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2539018B2 (ja) | 1988-03-23 | 1996-10-02 | 株式会社神戸製鋼所 | Al▲下2▼O▲下3▼基セラミックス |
JP3039908B2 (ja) | 1994-05-14 | 2000-05-08 | 住友特殊金属株式会社 | 低浮上性を有する磁気ヘッド用基板材料 |
JP3678924B2 (ja) * | 1998-11-05 | 2005-08-03 | 日立ツール株式会社 | 酸化アルミニウム被覆工具 |
JP2008084520A (ja) | 2006-08-30 | 2008-04-10 | Kyocera Corp | 磁気ヘッド用基板、磁気ヘッドおよび記録媒体駆動装置 |
US7939181B2 (en) * | 2006-10-11 | 2011-05-10 | Oerlikon Trading Ag, Trubbach | Layer system with at least one mixed crystal layer of a multi-oxide |
WO2008056710A1 (fr) | 2006-11-07 | 2008-05-15 | Kyocera Corporation | Frittage céramique, substrat de tête magnétique et tête magnétique utilisant le frittage céramique, et unité d'entraînement de support d'enregistrement |
JP2009110571A (ja) | 2007-10-29 | 2009-05-21 | Kyocera Corp | 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 |
JP2009120428A (ja) * | 2007-11-13 | 2009-06-04 | Tdk Corp | 焼結体及びその製造方法 |
JP2011195396A (ja) * | 2010-03-19 | 2011-10-06 | Tokyo Institute Of Technology | 積層膜およびその製膜方法 |
-
2015
- 2015-06-23 JP JP2015125848A patent/JP6563709B2/ja active Active
- 2015-06-26 US US14/752,157 patent/US9293156B2/en active Active
Also Published As
Publication number | Publication date |
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US20150380025A1 (en) | 2015-12-31 |
US9293156B2 (en) | 2016-03-22 |
JP2016027515A (ja) | 2016-02-18 |
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