JP2005279481A - セラミックスの洗浄方法および高清浄性セラミックス - Google Patents
セラミックスの洗浄方法および高清浄性セラミックス Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 claims abstract description 21
- 229910052751 metal Inorganic materials 0.000 claims abstract description 20
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- 238000012545 processing Methods 0.000 claims description 36
- 238000004506 ultrasonic cleaning Methods 0.000 claims description 20
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 15
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- 229910021642 ultra pure water Inorganic materials 0.000 claims description 11
- 239000012498 ultrapure water Substances 0.000 claims description 11
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- 229910021529 ammonia Inorganic materials 0.000 claims description 5
- 238000005238 degreasing Methods 0.000 claims description 5
- 238000002386 leaching Methods 0.000 claims description 5
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 4
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- 238000011109 contamination Methods 0.000 abstract description 9
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
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Abstract
【解決手段】通常の製造工程で製造されたセラミックス製品に対し、各種機能水をベースにした高清浄洗浄を施すことにより、半導体および液晶製造装置用部材に適したセラミックス材料が得られる。即ち、上記した高清浄洗浄により、低パーティクル、低金属汚染となる高清浄セラミックスが得られ、セラミックスに起因するパーティクル、金属汚染の低減、並びに、高歩留まりが達成される。
【選択図】 図1
Description
102 処理室
103 被処理基盤
104 保持台
105 ガス放出孔
106 シャワープレート
107 シールリング
108 カバープレート
109 シールリング
110 プラズマ励起ガスを充填する空間
111 突起物
112 突起リング
113 プラズマ励起ガス供給ポート
114 プラズマ励起ガスの供給通路
116 銅板
117 スリット
118 遅波板
119 アルミプレート
120 同軸導波管
128 導体構造物
Claims (9)
- 高清浄スポンジまたはブラシによるワイピング、脱脂液による超音波洗浄、有機溶剤での浸析洗浄、オゾン水による超音波洗浄、SPM洗浄およびHF/HNO3洗浄のうちの少なくとも一つを行う前洗浄工程と、オゾン水による洗浄工程と、pHをアルカリ性に制御した水素を含有する純水による超音波洗浄工程と、HF、SPM、HPM、HNO3/HFから選ばれる少なくとも一つを用いた洗浄工程と、水素を含有する純水、オゾン水、超純水から選ばれる1種を用いた超音波洗浄工程とを含むことを特徴とするセラミックス部材の洗浄方法。
- 研削または研磨を含むセラミックス部材を加工する工程と、高清浄スポンジまたはブラシによるワイピング、脱脂液による超音波洗浄、有機溶剤での浸析洗浄、オゾン水による超音波洗浄、SPM洗浄およびHF/HNO3洗浄のうちの少なくとも一つを前記加工した部材に対して行う前洗浄工程と、オゾン水による洗浄と、pHをアルカリ性に制御した水素を含有する純水による超音波洗浄と、HF、SPM、HPM、HNO3/HFから選ばれる少なくとも一つを用いた洗浄と、水素を含有する純水、オゾン水、超純水から選ばれる1種を用いた超音波洗浄とを前記前洗浄工程を経た前記部材に対して行う洗浄工程とを含むことを特徴とするセラミックス部材の製造方法。
- 請求項2に記載のセラミックス部材の製造方法において、前記前洗浄工程によって目視で確認出来る有機物汚れ、金属汚れおよび付着粒子を除去し、前記洗浄工程によって微量金属成分および目視で確認が困難なパーティクルを除去することを特徴とするセラミックス部材の製造方法。
- 0.2μm以上のパーティクルの付着が2ヶ/mm2以下であることを特徴とする高清浄セラミックス部材。
- 請求項4に記載のセラミックス部材において、前記セラミックス部材の微量金属成分の検出値が前記セラミックス焼結体中の金属成分の検出値と同等であることを特徴とする高清浄セラミックス部材。
- 請求項4または5に記載のセラミックス部材において、半導体装置または液晶表示装置の製造装置の部材として使われることを特徴とする高清浄セラミックス部材。
- 目視で確認出来る有機物汚れ、金属汚れおよび付着粒子を除去するため、ブラシによる洗浄、有機溶剤での浸析洗浄、酸、アルカリ洗浄、およびその後のリンスを施した後に、オゾン水洗浄、アンモニア等でpHをアルカリ性に制御した水素水での超音波洗浄、及びHF、SPM、HPM、HNO3/HFから選ばれる1種での洗浄を行い、その後に水素水、オゾン水、超純水から選ばれる1種での超音波洗浄を行うことにより得られた、付着する微量金属成分の検出値が焼結体中の金属成分の検出値と同等であり、かつ0.2μm以上のパーティクルが2ヶ/mm2以下である高清浄性セラミックス部材。
- 高清浄スポンジ等によるワイピング、脱脂液による超音波洗浄、オゾン水超音波洗浄、SPM洗浄、HF/HNO3洗浄のうち1種もしくは2種以上の組み合わせによる前洗浄後に、オゾン水洗浄、アンモニア等でpHをアルカリ性に制御した水素水での超音波洗浄、及びHF、SPM、HPM、HNO3/HFから選ばれる1種での洗浄後に水素水、オゾン水、超純水から選ばれる1種での超音波洗浄を受けたことを特徴とする高清浄セラミックス部材。
- 請求項2または3に記載の製造方法で製造された高清浄セラミックスを用いた半導体装置または液晶表示装置の製造装置部品。
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JP2004098260A JP4443976B2 (ja) | 2004-03-30 | 2004-03-30 | セラミックスの洗浄方法および高清浄性セラミックス |
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Cited By (16)
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JP2007269585A (ja) * | 2006-03-31 | 2007-10-18 | Tohoku Univ | 多孔質部材 |
JP2013158768A (ja) * | 2012-02-03 | 2013-08-19 | Teltron Co Ltd | 携帯用洗浄機 |
WO2014018833A1 (en) * | 2012-07-27 | 2014-01-30 | Applied Materials, Inc. | Enhanced cleaning process of chamber used plasma spray coating without damaging coating |
US9034199B2 (en) | 2012-02-21 | 2015-05-19 | Applied Materials, Inc. | Ceramic article with reduced surface defect density and process for producing a ceramic article |
JP2015123409A (ja) * | 2013-12-26 | 2015-07-06 | 株式会社日本セラテック | 基板保持部材の洗浄方法 |
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JP2017000997A (ja) * | 2015-06-15 | 2017-01-05 | 三菱電機株式会社 | ガラスレンズ付きめっき製品の製造方法 |
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US9034199B2 (en) | 2012-02-21 | 2015-05-19 | Applied Materials, Inc. | Ceramic article with reduced surface defect density and process for producing a ceramic article |
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US9090046B2 (en) | 2012-04-16 | 2015-07-28 | Applied Materials, Inc. | Ceramic coated article and process for applying ceramic coating |
US9604249B2 (en) | 2012-07-26 | 2017-03-28 | Applied Materials, Inc. | Innovative top-coat approach for advanced device on-wafer particle performance |
US9343289B2 (en) | 2012-07-27 | 2016-05-17 | Applied Materials, Inc. | Chemistry compatible coating material for advanced device on-wafer particle performance |
US9447365B2 (en) | 2012-07-27 | 2016-09-20 | Applied Materials, Inc. | Enhanced cleaning process of chamber used plasma spray coating without damaging coating |
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