JPWO2015080134A1 - プラズマ装置用部品およびその製造方法 - Google Patents
プラズマ装置用部品およびその製造方法 Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 239000002245 particle Substances 0.000 claims abstract description 218
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 claims abstract description 146
- 229910052747 lanthanoid Inorganic materials 0.000 claims abstract description 109
- 150000002602 lanthanoids Chemical class 0.000 claims abstract description 109
- 238000000034 method Methods 0.000 claims abstract description 53
- 238000005245 sintering Methods 0.000 claims abstract description 24
- 239000010419 fine particle Substances 0.000 claims abstract description 15
- 229910052746 lanthanum Inorganic materials 0.000 claims abstract description 9
- 229910052684 Cerium Inorganic materials 0.000 claims abstract description 6
- 229910052692 Dysprosium Inorganic materials 0.000 claims abstract description 6
- 229910052691 Erbium Inorganic materials 0.000 claims abstract description 6
- 229910052688 Gadolinium Inorganic materials 0.000 claims abstract description 6
- 229910052772 Samarium Inorganic materials 0.000 claims abstract description 6
- 229910052769 Ytterbium Inorganic materials 0.000 claims abstract description 4
- 238000002485 combustion reaction Methods 0.000 claims description 32
- 239000002002 slurry Substances 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 15
- 238000002347 injection Methods 0.000 claims description 14
- 239000007924 injection Substances 0.000 claims description 14
- 238000005507 spraying Methods 0.000 claims description 12
- 238000001020 plasma etching Methods 0.000 claims description 9
- 239000000758 substrate Substances 0.000 claims description 9
- 230000003746 surface roughness Effects 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 238000002441 X-ray diffraction Methods 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 6
- 238000007517 polishing process Methods 0.000 claims description 4
- 238000009835 boiling Methods 0.000 claims description 3
- 238000005530 etching Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 11
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- 239000010408 film Substances 0.000 description 109
- 238000000576 coating method Methods 0.000 description 41
- 239000011248 coating agent Substances 0.000 description 38
- 239000000843 powder Substances 0.000 description 22
- 239000002994 raw material Substances 0.000 description 19
- 239000013078 crystal Substances 0.000 description 15
- 230000007797 corrosion Effects 0.000 description 13
- 238000005260 corrosion Methods 0.000 description 13
- 238000005422 blasting Methods 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 7
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- 230000000694 effects Effects 0.000 description 7
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 7
- 239000007921 spray Substances 0.000 description 7
- 238000007751 thermal spraying Methods 0.000 description 7
- 239000011148 porous material Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 238000000151 deposition Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 238000005498 polishing Methods 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000006061 abrasive grain Substances 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 239000011362 coarse particle Substances 0.000 description 3
- 229910052736 halogen Inorganic materials 0.000 description 3
- 150000002367 halogens Chemical class 0.000 description 3
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 3
- 238000007750 plasma spraying Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 235000019441 ethanol Nutrition 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 238000004380 ashing Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 229910052574 oxide ceramic Inorganic materials 0.000 description 1
- 239000011224 oxide ceramic Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000007712 rapid solidification Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 239000011882 ultra-fine particle Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 description 1
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- C23C24/00—Coating starting from inorganic powder
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- C23C24/04—Impact or kinetic deposition of particles
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5025—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with ceramic materials
- C04B41/5045—Rare-earth oxides
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- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
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- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
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- H—ELECTRICITY
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- 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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
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- 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
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Abstract
Description
「膜密度(%)=100−気孔の面積率」
の算式により被膜密度を算出する。この被膜密度の算出に際しては、組織の単位面積200μm×200μmの面積について分析するものとする。なお、被膜の厚さが薄いときは、合計の単位面積が200μm×200μmとなるまで複数個所測定するものとする。
燃焼フレーム型噴射装置を用いて衝撃焼結法により、アルミナ製基材(300mm×3mm)上に、表1に示す条件で酸化イットリウムに各種の酸化物セラミックスを添加して被膜を形成してプラズマ装置用部品とした。酸化イットリウム粒子及び他の酸化物粒子スラリーの溶媒はいずれもエチルアルコールとした。また、用いる原料粉末はいずれも純度が99.9%以上である高純度酸化物粒子を使用した。また、原料粉末としてのY2O3粒子は立方晶であり、十分な粉砕および篩分けにより10μmを超える粗大粒子がない原料粉末を使用した。
2…ランタノイド系元素の酸化物を含む酸化イットリウム被膜
3…基材
4…粒界が確認できないランタノイド系元素の酸化物を含む酸化イットリウム粒子
5…粒界が確認できるランタノイド系元素の酸化物を含む酸化イットリウム粒子
Claims (19)
- 基材が金属またはセラミックスから成り、この基材上の最表面に形成された酸化イットリウム被膜を有し、この酸化イットリウム被膜は、La,Ce,Sm,Dy,Gd,Er,Ybから成るランタノイド系元素から選択された少なくとも1種を酸化物換算で1〜8質量%含有していることを特徴とするプラズマ装置用部品。
- 基材が金属またはセラミックスから成り、この基材上の最表面には、膜厚が10μm以上であり、膜密度が90%以上であり、単位面積20μm×20μm中に存在する粒界が確認できる粒子の面積率が0〜80%である一方、粒界が確認できない粒子の面積率が20〜100%であるランタノイド系元素の酸化物を含む酸化イットリウム被膜を有していることを特徴とする請求項1に記載のプラズマ装置用部品。
- 基材が金属電極を備えたセラミックスから成り、この基材上の最表面に前記ランタノイド系元素の酸化物を含む酸化イットリウム被膜を有していることを特徴とする請求項1乃至2のいずれか1項に記載のプラズマ装置用部品。
- 前記のランタノイド系元素の酸化物を含む酸化イットリウム被膜は、衝撃焼結法により形成されたランタノイド系元素の酸化物を含む酸化イットリウム被膜であることを特徴とする請求項1乃至3のいずれか1項に記載のプラズマ装置用部品。
- 前記のランタノイド系元素の酸化物を含む酸化イットリウム被膜を形成する粒子は、全体の平均粒径が5μm以下であることを特徴とする請求項1乃至4のいずれか1項に記載のプラズマ装置用部品。
- 前記のランタノイド系元素の酸化物を含む酸化イットリウム被膜を形成する粒子は、粒径が1μm以下の微粒子を含むことを特徴とする請求項1乃至5のいずれか1項に記載のプラズマ装置用部品。
- 前記ランタノイド系元素の酸化物を含む酸化イットリウム被膜は膜厚が10〜200μmであり、膜密度が99%以上100%以下であることを特徴とする請求項1乃至6のいずれか1項に記載のプラズマ装置用部品。
- 前記の粒界が確認できるランタノイド系元素の酸化物を含む酸化イットリウム粒子は平均粒径が2μm以下であることを特徴とする請求項2に記載のプラズマ装置用部品。
- 前記ランタノイド系元素の酸化物を含む酸化イットリウム粒子の平均粒径が0.05〜5μmであることを特徴とする請求項1乃至8のいずれか1項に記載のプラズマ装置用部品。
- 前記のランタノイド系元素の酸化物を含む酸化イットリウム被膜を形成する粒子は、平均粒径が1μm以下の微粒子を含み、全体の平均粒径が5μm以下であることを特徴とする請求項1乃至9のいずれか1項に記載のプラズマ装置用部品。
- 前記ランタノイド系元素の酸化物を含む酸化イットリウム粒子の平均粒径が0.05〜5μmであることを特徴とする請求項1乃至10のいずれか1項に記載のプラズマ装置用部品。
- 前記ランタノイド系元素の酸化物を含む酸化イットリウム被膜をXRD分析したとき、立方晶の最強ピークIcに対する単斜晶の最強ピークImの比(Im/Ic)が0.2〜0.6であることを特徴とする請求項1乃至11のいずれか1項に記載のプラズマ装置用部品。
- 前記ランタノイド系元素の酸化物を含む酸化イットリウム被膜は、研磨処理によって表面粗さRaが0.5μm以下にされていることを特徴とする請求項1乃至12のいずれか1項に記載のプラズマ装置用部品。
- 衝撃焼結法によりランタノイド系元素の酸化物を含む酸化イットリウム被膜を形成したプラズマエッチング装置用部品の製造方法において、燃焼フレーム炎にランタノイド系元素の酸化物を含む酸化イットリウム粒子を含むスラリーを供給する工程と、ランタノイド系元素の酸化物を含む酸化イットリウム粒子を噴射速度400〜1000m/secで基材上に噴射させる工程とを具備することを特徴とするプラズマ装置用部品の製造方法。
- 前記スラリーに含まれるランタノイド系元素の酸化物を含む酸化イットリウム粒子は、純度が99.9%以上のランタノイド系元素の酸化物を含む酸化イットリウム粒子であることを特徴とする請求項14に記載のプラズマ装置用部品の製造方法。
- 前記ランタノイド系元素の酸化物を含む酸化イットリウム粒子の平均粒径が0.05〜5μmであることを特徴とする請求項14乃至15のいずれか1項に記載のプラズマ装置用部品の製造方法。
- 前記ランタノイド系元素の酸化物を含む酸化イットリウム被膜の膜厚が10μm以上であることを特徴とする請求項14乃至16のいずれか1項に記載のプラズマ装置用部品の製造方法。
- 前記ランタノイド系元素の酸化物を含む酸化イットリウム粒子を含むスラリーを燃焼フレーム炎の中心に供給することを特徴とする請求項14乃至17のいずれか1項に記載のプラズマ装置用部品の製造方法。
- 前記ランタノイド系元素の酸化物を含む酸化イットリウム粒子を含むスラリーを供給する燃焼フレームの温度は、供給するランタノイド系元素の酸化物を含む酸化イットリウム粒子の沸点未満とすることを特徴とする請求項14乃至18のいずれか1項に記載のプラズマ装置用部品の製造方法。
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