JP5192221B2 - セラミックス焼結体及びそれを用いた静電チャック - Google Patents
セラミックス焼結体及びそれを用いた静電チャック Download PDFInfo
- Publication number
- JP5192221B2 JP5192221B2 JP2007311474A JP2007311474A JP5192221B2 JP 5192221 B2 JP5192221 B2 JP 5192221B2 JP 2007311474 A JP2007311474 A JP 2007311474A JP 2007311474 A JP2007311474 A JP 2007311474A JP 5192221 B2 JP5192221 B2 JP 5192221B2
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- JP
- Japan
- Prior art keywords
- sintered body
- ceramic sintered
- electrostatic chuck
- mgo
- corrosion resistance
- 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.)
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- 239000000919 ceramic Substances 0.000 title claims description 31
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 18
- 229910052596 spinel Inorganic materials 0.000 claims description 11
- 239000011029 spinel Substances 0.000 claims description 11
- 239000013078 crystal Substances 0.000 claims description 7
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 229910052720 vanadium Inorganic materials 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- 239000003989 dielectric material Substances 0.000 claims 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 38
- 238000005260 corrosion Methods 0.000 description 22
- 230000007797 corrosion Effects 0.000 description 22
- 239000000395 magnesium oxide Substances 0.000 description 19
- 238000010304 firing Methods 0.000 description 17
- 239000000843 powder Substances 0.000 description 14
- 239000000654 additive Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 238000001179 sorption measurement Methods 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 230000000996 additive effect Effects 0.000 description 6
- 229910052736 halogen Inorganic materials 0.000 description 6
- 150000002367 halogens Chemical class 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 238000005530 etching Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 239000011812 mixed powder Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 229910020068 MgAl Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 208000037584 hereditary sensory and autonomic neuropathy Diseases 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000001020 plasma etching Methods 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 229920002050 silicone resin Polymers 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000007088 Archimedes method Methods 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000004703 alkoxides Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910021480 group 4 element Inorganic materials 0.000 description 1
- 229910021478 group 5 element Inorganic materials 0.000 description 1
- 229910021476 group 6 element Inorganic materials 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000013464 silicone adhesive Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 238000003826 uniaxial pressing Methods 0.000 description 1
Landscapes
- Compositions Of Oxide Ceramics (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
Description
MgAl2O4粉末をベースとし、Al2O3粉末もしくはMgO粉末を表1に示すMgOとAl2O3の質量比になるよう調合した。さらに表1に示した添加物を所定量添加し調合し、それにエタノールを加え、それをボールミルで12時間混合した。
上記試験例と同様に表1に示す質量比になるように原料を混合し、それを乾燥した混合粉末をCIP処理し、その成形体を還元雰囲気中(常圧:0.1MPa)で1600℃の温度で焼成し、φ200×5mmtの焼結体を得た(試験No.20)。また、同様の成形体を大気中で1600℃の温度で焼成した後、さらに還元雰囲気中で1550℃の温度で180MPaの圧力でHIP処理し、φ200×5mmtの焼結体を得た(試験No.21)。
Claims (4)
- 加圧焼成された、主成分がMgOとAl2O3から成るスピネル質のセラミックス焼結体であって、4A、5Aまたは6A族元素から選ばれる少なくとも一つの元素が酸化物換算で0.02質量%以上、3質量%未満含まれ、体積抵抗率が1×108〜1×1014Ωcmであり、気孔率が0.3%以下であり、MgOとAl 2 O 3 の質量比(MgO/Al 2 O 3 )が、0.25〜1.5であることを特徴とするセラミックス焼結体。
- 立方晶系スピネル結晶の格子定数がa=8.084Å以上である請求項1記載のセラミックス焼結体。
- 4A、5Aまたは6A族元素は、Ti、V、Cr、ZrまたはNbである請求項1又は2記載のセラミックス焼結体。
- 請求項1〜3のいずれか一項に記載のセラミックス焼結体を誘電体層として用いた静電チャック。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007311474A JP5192221B2 (ja) | 2007-11-30 | 2007-11-30 | セラミックス焼結体及びそれを用いた静電チャック |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007311474A JP5192221B2 (ja) | 2007-11-30 | 2007-11-30 | セラミックス焼結体及びそれを用いた静電チャック |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009132584A JP2009132584A (ja) | 2009-06-18 |
JP5192221B2 true JP5192221B2 (ja) | 2013-05-08 |
Family
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JP2007311474A Expired - Fee Related JP5192221B2 (ja) | 2007-11-30 | 2007-11-30 | セラミックス焼結体及びそれを用いた静電チャック |
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JP (1) | JP5192221B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5188898B2 (ja) * | 2008-07-11 | 2013-04-24 | 太平洋セメント株式会社 | セラミックス溶射膜及びそれを用いた耐食性部材 |
JP5850571B2 (ja) * | 2012-01-24 | 2016-02-03 | 黒崎播磨株式会社 | 塩基性れんが |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000313656A (ja) * | 1999-04-28 | 2000-11-14 | Taiheiyo Cement Corp | 耐蝕性セラミックス材料および耐蝕性部材 |
JP4368021B2 (ja) * | 2000-01-18 | 2009-11-18 | 太平洋セメント株式会社 | 耐蝕性セラミックス材料 |
JP4733819B2 (ja) * | 2000-09-01 | 2011-07-27 | 太平洋セメント株式会社 | 耐食性セラミックス溶射皮膜の形成方法 |
JP4585129B2 (ja) * | 2001-02-15 | 2010-11-24 | 太平洋セメント株式会社 | 静電チャック |
JP4722463B2 (ja) * | 2004-12-03 | 2011-07-13 | 黒崎播磨株式会社 | 静電チャック用誘電体セラミックス及びその製造方法 |
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2007
- 2007-11-30 JP JP2007311474A patent/JP5192221B2/ja not_active Expired - Fee Related
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JP2009132584A (ja) | 2009-06-18 |
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