JP2009185391A - プラズマ処理容器内部材 - Google Patents
プラズマ処理容器内部材 Download PDFInfo
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- JP2009185391A JP2009185391A JP2009124838A JP2009124838A JP2009185391A JP 2009185391 A JP2009185391 A JP 2009185391A JP 2009124838 A JP2009124838 A JP 2009124838A JP 2009124838 A JP2009124838 A JP 2009124838A JP 2009185391 A JP2009185391 A JP 2009185391A
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- 238000009832 plasma treatment Methods 0.000 title abstract 4
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- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 32
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/3065—Plasma etching; Reactive-ion etching
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/4401—Means for minimising impurities, e.g. dust, moisture or residual gas, in the reaction chamber
- C23C16/4404—Coatings or surface treatment on the inside of the reaction chamber or on parts thereof
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32431—Constructional details of the reactor
- H01J37/32458—Vessel
- H01J37/32477—Vessel characterised by the means for protecting vessels or internal parts, e.g. coatings
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- 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
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- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249967—Inorganic matrix in void-containing component
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- 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
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- Y10T428/249967—Inorganic matrix in void-containing component
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- 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
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- 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
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Abstract
【解決手段】基材81と、その表面に形成された被膜82とを有するプラズマ処理容器内部材であって、被膜82は、周期律表第3a族に属する少なくとも1種の元素を含むセラミックスからなり、被膜82の少なくとも一部分に、蒸気または高温水によって水化処理された水化処理部82aを形成する。
【選択図】図8
Description
このような処理容器内部材として基材の上に溶射被膜を形成したものを用いた場合、従来、溶射被膜の剥がれが生じていたが、本発明者らの検討結果によれば、プラズマ処理容器内部材の溶射被膜の剥がれは、溶射被膜の貫通気孔(微細孔)、溶射被膜との境界部、あるいは、プラズマやガス等により損傷した部位などから、プロセスガスや洗浄液が侵入し基材に到達して、基材表面が腐食することにより発生することに想到した。
プラズマ処理容器の壁材や他のプラズマ処理容器内部材にAl2O3やY2O3を用いる場合には、空気中の水分との反応性が高いため、処理容器である真空チャンバを大気開放したときや真空チャンバをウェットクリーニングするときに水分を大量に取り込み、種々の問題を生じるが、本発明者らの検討結果によれば、Y2O3等の周期律表第3a族に属する元素を含むセラミックスに水化処理を施すことにより、またはこれら元素を含む水酸化物を形成することにより、このような不都合が解消されることを知見した。
Y2O3+H2O→Y2O3・(H2O)n→2(YOOH)→Y(OH)3…(1)
ただし、上記(1)式は価数を考慮していない。
Surface」という論文に詳しい。
第1のセラミックス層88の周期律表第3a族に属する元素を含むセラミックスとしては、周期律表第3a族に属する元素を含む酸化物であることが好ましく、これらの中ではY2O3、CeO2、Ce2O3、Nd2O3が好適であり、特に、Y2O3が好ましい。第1のセラミックス層88の膜厚は、100〜300μmであることが好ましい。第1のセラミックス層88は、第1の例における被膜82と同様、溶射法、PVD法やCVD法等の薄膜形成技術によって好適に形成することができる。また、その他、浸漬法、あるいは塗布法などの方法で形成することもできる。
2a;デポシールド
3;ガスシャワーヘッド
4;載置台
42;静電チャック
43;フォーカスリング
44;排気プレート
71,81;基材
72,76,77,82,84,87;被膜
74;バリアコート層
75,83;陽極酸化被膜
76a,78a,79a;封孔処理部
82a,86a,88a,91;水化処理部
Claims (19)
- 基材と、その表面に形成された被膜とを有するプラズマ処理容器内部材であって、
前記被膜は、周期律表第3a族に属する少なくとも1種の元素を含むセラミックスからなり、前記被膜の少なくとも一部分が蒸気または高温水によって水化処理されていることを特徴とする、プラズマ処理容器内部材。 - 基材と、その表面に形成された被膜とを有するプラズマ処理容器内部材であって、
前記被膜は、周期律表第3a族に属する少なくとも1種の元素を含むセラミックスからなる第1セラミックス層と、周期律表第3a族に属する少なくとも1種の元素を含むセラミックスからなる第2セラミックス層とを有し、前記第1および第2のセラミックス層の少なくとも一方の少なくとも一部分が蒸気または高温水によって水化処理されていることを特徴とする、プラズマ処理容器内部材。 - 前記被膜は、溶射によって形成された溶射被膜、または薄膜形成技術で形成された薄膜であることを特徴とする、請求項1または請求項2に記載のプラズマ処理容器内部材。
- 前記被膜を構成するセラミックスは、Y2O3、CeO2、Ce2O3、Nd2O3から選択されたものであることを特徴とする、請求項1から請求項3のいずれか1項に記載のプラズマ処理容器内部材。
- 基材と、その表面に形成された被膜とを有するプラズマ処理容器内部材であって、
前記被膜は、周期律表第3a族に属する少なくとも1種の元素を含むセラミックスからなる第1セラミックス層と、セラミックスの溶射で形成された第2セラミックス層とを有し、前記第1セラミックス層の少なくとも一部分が蒸気または高温水によって水化処理されていることを特徴とする、プラズマ処理容器内部材。 - 前記第1セラミックス層は、溶射によって形成された溶射被膜、または薄膜形成技術で形成された薄膜であることを特徴とする、請求項5に記載のプラズマ処理容器内部材。
- 前記第1セラミックス層を構成するセラミックスは、Y2O3、CeO2、Ce2O3、Nd2O3から選択されたものであることを特徴とする、請求項5または請求項6に記載のプラズマ処理容器内部材。
- 前記第2セラミックス層は、B4C、MgO、Al2O3、SiC、Si3N4、SiO2、CaF2、Cr2O3、Y2O3、YF3、ZrO2、TaO2、CeO2、Ce2O3、CeF3およびNd2O3からなる群から選択された少なくとも1種のセラミックスで構成されていることを特徴とする、請求項5から請求項7のいずれか1項に記載のプラズマ処理容器内部材。
- 基材と、その表面に形成された被膜とを有するプラズマ処理容器内部材であって、
前記被膜は、周期律表第3a族に属する少なくとも1種の元素を含む水酸化物からなる水酸化物層を有することを特徴とする、プラズマ処理容器内部材。 - 前記水酸化物層は、溶射によって形成された溶射被膜、または薄膜形成技術で形成された薄膜であることを特徴とする、請求項9に記載のプラズマ処理容器内部材。
- 前記水酸化物層を構成する水酸化物は、Y(OH)3、Ce(OH)3、Nd(OH)3から選択されたものであることを特徴とする、請求項9または請求項10に記載のプラズマ処理容器内部材。
- 前記水酸化物層は少なくともその一部が封孔処理されていることを特徴とする、請求項9から請求項11のいずれか1項に記載のプラズマ処理容器内部材。
- 前記基材と前記被膜との間に、陽極酸化被膜を有することを特徴とする、請求項1から請求項12のいずれか1項に記載のプラズマ処理容器内部材。
- 前記陽極酸化被膜は、金属塩水溶液により封孔処理されていることを特徴とする、請求項13に記載のプラズマ処理容器内部材。
- 前記陽極酸化被膜は、SI、PTFE、PI、PAI、PEI、PBI、およびPFAからなる群から選択された樹脂により封孔処理されていることを特徴とする、請求項13に記載のプラズマ処理容器内部材。
- 周期律表第3a族に属する少なくとも1種の元素を含むセラミックス焼結体からなり、その少なくとも一部が蒸気または高温水によって水化処理されていることを特徴とする、プラズマ処理容器内部材。
- 前記セラミックス焼結体は、Y2O3、CeO2、Ce2O3、Nd2O3から選択されたセラミックスを水化処理したものであることを特徴とする、請求項16に記載のプラズマ処理容器内部材。
- 周期律表第3a族に属する少なくとも1種の元素を含む水酸化物を含むセラミックス焼結体からなることを特徴とする、プラズマ処理容器内部材。
- 前記セラミックス焼結体に含まれる水酸化物は、Y(OH)3、Ce(OH)3、Nd(OH)3から選択されたものであることを特徴とする、請求項18に記載のプラズマ処理容器内部材。
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JP2020180345A (ja) * | 2019-04-25 | 2020-11-05 | 栗田工業株式会社 | アルミニウム又はアルミニウム合金の陽極酸化処理面の封孔処理方法 |
WO2020217694A1 (ja) * | 2019-04-25 | 2020-10-29 | 栗田工業株式会社 | アルミニウム又はアルミニウム合金の陽極酸化処理面の封孔処理方法 |
CN111763901A (zh) * | 2020-07-03 | 2020-10-13 | 山东昌丰轮胎有限公司 | 一种带有防粘涂层的轮胎模具 |
JP7286026B1 (ja) * | 2021-06-28 | 2023-06-02 | 株式会社日立ハイテク | 内壁部材の再生方法 |
WO2024075459A1 (ja) * | 2022-10-05 | 2024-04-11 | 日本発條株式会社 | 積層構造体および積層構造体の製造方法 |
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US8877002B2 (en) | 2014-11-04 |
US20100307687A1 (en) | 2010-12-09 |
TW200423195A (en) | 2004-11-01 |
TWI335609B (ja) | 2011-01-01 |
KR100772740B1 (ko) | 2007-11-01 |
CN1516535A (zh) | 2004-07-28 |
US20040216667A1 (en) | 2004-11-04 |
KR20040048343A (ko) | 2004-06-09 |
US8449715B2 (en) | 2013-05-28 |
US20130255881A1 (en) | 2013-10-03 |
JP4987911B2 (ja) | 2012-08-01 |
CN1249789C (zh) | 2006-04-05 |
US7780786B2 (en) | 2010-08-24 |
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