JP2019537546A - 耐食性構成要素およびその製造方法 - Google Patents
耐食性構成要素およびその製造方法 Download PDFInfo
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- JP2019537546A JP2019537546A JP2019547068A JP2019547068A JP2019537546A JP 2019537546 A JP2019537546 A JP 2019537546A JP 2019547068 A JP2019547068 A JP 2019547068A JP 2019547068 A JP2019547068 A JP 2019547068A JP 2019537546 A JP2019537546 A JP 2019537546A
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- layer
- corrosion resistant
- rare earth
- corrosion
- component
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- 238000005260 corrosion Methods 0.000 title claims abstract description 394
- 230000007797 corrosion Effects 0.000 title claims abstract description 394
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- -1 rare earth compound Chemical class 0.000 claims abstract description 201
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 185
- 239000000758 substrate Substances 0.000 claims abstract description 180
- 239000000919 ceramic Substances 0.000 claims abstract description 127
- 239000000203 mixture Substances 0.000 claims abstract description 99
- 239000004065 semiconductor Substances 0.000 claims abstract description 48
- 239000000463 material Substances 0.000 claims description 104
- 238000000034 method Methods 0.000 claims description 97
- 238000005245 sintering Methods 0.000 claims description 83
- 239000002245 particle Substances 0.000 claims description 78
- 239000000843 powder Substances 0.000 claims description 67
- UZLYXNNZYFBAQO-UHFFFAOYSA-N oxygen(2-);ytterbium(3+) Chemical compound [O-2].[O-2].[O-2].[Yb+3].[Yb+3] UZLYXNNZYFBAQO-UHFFFAOYSA-N 0.000 claims description 55
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 45
- 238000001020 plasma etching Methods 0.000 claims description 39
- 229910001404 rare earth metal oxide Inorganic materials 0.000 claims description 37
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 claims description 34
- 229910003454 ytterbium oxide Inorganic materials 0.000 claims description 31
- 229940075624 ytterbium oxide Drugs 0.000 claims description 31
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 claims description 30
- 238000000151 deposition Methods 0.000 claims description 29
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 29
- 230000008021 deposition Effects 0.000 claims description 26
- 239000002131 composite material Substances 0.000 claims description 25
- 229910052727 yttrium Inorganic materials 0.000 claims description 23
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 23
- 150000004767 nitrides Chemical class 0.000 claims description 22
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 21
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 21
- JNDMLEXHDPKVFC-UHFFFAOYSA-N aluminum;oxygen(2-);yttrium(3+) Chemical compound [O-2].[O-2].[O-2].[Al+3].[Y+3] JNDMLEXHDPKVFC-UHFFFAOYSA-N 0.000 claims description 20
- 229940105963 yttrium fluoride Drugs 0.000 claims description 20
- RBORBHYCVONNJH-UHFFFAOYSA-K yttrium(iii) fluoride Chemical compound F[Y](F)F RBORBHYCVONNJH-UHFFFAOYSA-K 0.000 claims description 20
- CHBIYWIUHAZZNR-UHFFFAOYSA-N [Y].FOF Chemical compound [Y].FOF CHBIYWIUHAZZNR-UHFFFAOYSA-N 0.000 claims description 19
- 239000004020 conductor Substances 0.000 claims description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 17
- 229910052736 halogen Inorganic materials 0.000 claims description 17
- 150000002367 halogens Chemical class 0.000 claims description 17
- 238000011065 in-situ storage Methods 0.000 claims description 16
- 229910052799 carbon Inorganic materials 0.000 claims description 15
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- 150000002910 rare earth metals Chemical class 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 2
- 150000003839 salts Chemical class 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 2
- 229910052782 aluminium Inorganic materials 0.000 claims 2
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 239000010410 layer Substances 0.000 description 489
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 41
- 238000010438 heat treatment Methods 0.000 description 37
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 description 34
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- YXTPWUNVHCYOSP-UHFFFAOYSA-N bis($l^{2}-silanylidene)molybdenum Chemical compound [Si]=[Mo]=[Si] YXTPWUNVHCYOSP-UHFFFAOYSA-N 0.000 description 12
- 238000005259 measurement Methods 0.000 description 11
- 229910021343 molybdenum disilicide Inorganic materials 0.000 description 11
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 10
- 229910003460 diamond Inorganic materials 0.000 description 10
- 239000010432 diamond Substances 0.000 description 10
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- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 7
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- 229910052750 molybdenum Inorganic materials 0.000 description 7
- 239000011733 molybdenum Substances 0.000 description 7
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 7
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- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 5
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 4
- 239000010955 niobium Substances 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 description 4
- 229910016569 AlF 3 Inorganic materials 0.000 description 3
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- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 description 3
- LTPBRCUWZOMYOC-UHFFFAOYSA-N Beryllium oxide Chemical compound O=[Be] LTPBRCUWZOMYOC-UHFFFAOYSA-N 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 150000004645 aluminates Chemical class 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
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- 230000008859 change Effects 0.000 description 2
- 230000032798 delamination Effects 0.000 description 2
- 238000000280 densification Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 229910052735 hafnium Inorganic materials 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910000765 intermetallic Inorganic materials 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
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- 150000004760 silicates Chemical class 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 229910052726 zirconium Inorganic materials 0.000 description 2
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910052769 Ytterbium Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
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- 238000001514 detection method Methods 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000002241 glass-ceramic Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000001513 hot isostatic pressing Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000007750 plasma spraying Methods 0.000 description 1
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- 230000001737 promoting effect Effects 0.000 description 1
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- 229910021332 silicide Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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- 230000007704 transition Effects 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910001233 yttria-stabilized zirconia Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B18/00—Layered products essentially comprising ceramics, e.g. refractory products
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- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
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- C04B35/505—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on rare-earth compounds based on yttrium oxide
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- C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
- C04B35/581—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on aluminium nitride
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- C04B35/62655—Drying, e.g. freeze-drying, spray-drying, microwave or supercritical drying
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- C—CHEMISTRY; METALLURGY
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- 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/56—Apparatus specially adapted for continuous coating; Arrangements for maintaining the vacuum, e.g. vacuum locks
- C23C14/564—Means for minimising impurities in the coating chamber such as dust, moisture, residual gases
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- 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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Abstract
Description
本国際出願は、2016年11月16日に出願された米国特許出願第15/353,429号に対する優先権およびその利益を主張し、その全体があらゆる目的のために参照により本明細書に組み込まれる。
[発明の概要]
[発明が解決しようとする課題]
腐食環境と強力な電界/磁界のこのような組み合わせにより、耐食性絶縁体の必要性が生じる。そのような用途のための最も耐食性に優れた絶縁材料は、酸化イットリウム(「イットリア」としても知られる)のような希土類化合物であることが一般に認められている。残念ながら、希土類化合物は高価であり、機械的に脆弱であるという2つの傾向がある。それ故、業界は、酸化アルミニウムのようなより安価な絶縁体の上に希土類化合物のコーティングを使用する傾向がある。
本開示の実施形態は、半導体処理反応器と共に使用するために構成された耐食性構成要素を含み、該耐食性構成要素は、a)セラミック絶縁基板と、b)該セラミック絶縁基板と結合した耐食性非多孔質層であって、耐食性非多孔質層の総重量に基づいて少なくとも15重量%の希土類化合物を有する組成を有しており、また実質的にマイクロクラックおよび亀裂を含まず、かつ少なくとも約100nmおよび最大約100μmの平均粒径を有する微細構造を特徴とする耐食性非多孔質層とを備える。
(i)60μmダイヤモンド:表面を平らにするために必要に応じて、(ii)15μmダイヤモンド、固定砥粒パッド:2分、(iii)9μmダイヤモンド、ラルゴ(プラスチック)パッド:8分、(iv)3μmダイヤモンド、DAC(ナイロン)パッド:6分、(v)1μmのダイヤモンドの起毛布:3分に従って研磨された(研磨用品はStruers社によって提供された)研磨部分の画像分析によって測定される。「粒径」は、ASTM−E112法により測定される。本明細書で言及される「グリーン」または「未焼結」セラミックは、高温熱処理によって緻密化されていないセラミック材料または粉末を含む。「焼結された」または「共焼結された」とは、焼結を促進するために高温熱処理に曝される1若しくはそれ以上のセラミック材料を指す。「焼結」は、多孔性を徐々になくすことによって材料の輸送および緻密化を促進するための加熱または熱処理プロセスである。焼結プロセスは、制御された微細構造および多孔性を有する物質を製造するために使用される。「コーティング」は、基板、例えば焼結後の基板に適用される層である。「積層体」または「複合積層体」は、例えば焼結などのプロセスを介して接合される層のアセンブリである。「構成要素」は部品または製品である。
60μmダイヤモンド:表面を平らにするために必要に応じて
15μmダイヤモンド、固定砥粒パッド:2分
9μmダイヤモンド、ラルゴ(プラスチック)パッド:8分
3μmダイヤモンド、DAC(ナイロン)パッド:6分
1μmダイヤモンド、起毛布:3分
に従って研磨された(研磨用品はStruers社によって提供された)、研磨部分の画像分析によって測定された。
本開示の多数の変形形態および修正形態を使用することができる。本開示のいくつかの特徴を、その他のものは提供せずに提供することは可能であろう。
110 セラミック絶縁基板
120 耐食性非多孔質層
130 介在層
150 耐食性非多孔質層
t1 層120の厚さ
t2 層130の厚さ
200 プラズマエッチング反応器アセンブリ
210 セラミック絶縁基板
220 耐食性非多孔質層
225 蓋
240 誘導コイル
250 反応器
300 ヒーター装置
320 耐食性非多孔質層
330 介在層
330 絶縁セラミック
340 加熱要素(複数可)
360 高周波(RF)シールド
380 支持ディスク
400 CVD反応器アセンブリ
410 シャワーヘッド
420 耐食性非多孔質層
440 ヒーター
450 処理中のウェハ
600 プラズマエッチング反応器アセンブリ
605 中心または軸方向の空隙
610 セラミック絶縁基板
620 耐食性非多孔質層
625 蓋
640 誘導コイル
650 ウェハ
670 620の内側平面の中心領域
680 外側領域
700 反応器
Claims (33)
- a)セラミック絶縁基板と、
b)前記セラミック絶縁基板に接着された白色耐食性非多孔質外層であって、少なくとも50μmの厚さ、最大1%の気孔率、最大100μmおよび少なくとも500nmの平均粒径、ならびに前記耐食性非多孔質層の総重量に基づいて少なくとも15重量%の希土類化合物を有する組成を有する白色耐食性非多孔質外層と、
c)前記白色耐食性非多孔質外層の平面上で測定したとき少なくとも90のL*値とを有する耐食性構成要素。 - 前記白色耐食性非多孔質外層の平面上で測定したとき少なくとも92のL*値をさらに有する、請求項1に記載の耐食性構成要素。
- 前記白色耐食性非多孔質外層の平面上で測定したとき少なくとも94のL*値をさらに有する、請求項2に記載の耐食性構成要素。
- 前記セラミック絶縁基板は、酸化アルミニウム、窒化アルミニウム、窒化ケイ素、ケイ酸塩系材料、およびそれらの2つ以上の混合物からなる群から選択される、請求項1に記載の耐食性構成要素。
- 前記希土類化合物は、酸化イットリウム(Y2O3)、ケイ酸イットリウム、フッ化イットリウム、オキシフッ化イットリウム、アルミン酸イットリウム、窒化物、複合窒化物化合物およびそれらの2つ以上の組み合わせからなる群から選択される、請求項4に記載の耐食性構成要素。
- 前記希土類化合物は、酸化イットリウム(Y2O3)である、請求項5に記載の耐食性構成要素。
- 前記白色耐食性非多孔質外層は、少なくとも100μmの厚さ、最大0.5%の気孔率ならびに最大50μmおよび少なくとも1μmの平均粒径を有する、請求項1に記載の耐食性構成要素。
- 前記白色耐食性非多孔質外層は、前記希土類化合物の総重量に基づいて約300ppmから約20重量%の範囲で前記希土類化合物に添加される焼結助剤をさらに含む、請求項1に記載の耐食性構成要素。
- 前記希土類化合物に添加される前記焼結助剤は、前記希土類化合物の総重量に基づいて約0.5重量%から約5重量%の範囲内である、請求項8に記載の耐食性構成要素。
- 前記焼結助剤は、ZrO2、HfO2およびCeO2から選択される少なくとも1つの材料である、請求項8に記載の耐食性構成要素。
- 前記焼結助剤はZrO2であり、前記希土類化合物の総重量に基づいて1重量%の量で前記希土類化合物に添加される、請求項9に記載の耐食性構成要素。
- 前記セラミック絶縁基板内に埋め込まれる、または前記セラミック絶縁基板と前記白色耐食性非多孔質外層との間に積層される少なくとも1つの介在層をさらに有し、前記少なくとも1つの介在層は、希土類酸化物、希土類ケイ酸塩、希土類アルミン酸塩およびそれらの2つ以上の混合物から選択される少なくとも1つの材料である、請求項1に記載の耐食性構成要素。
- 前記少なくとも1つの介在層は、酸化イッテルビウム(Yb2O3)である、請求項12に記載の耐食性構成要素。
- 前記少なくとも1つの介在層は、前記酸化イッテルビウムの総重量に基づいて約300ppmから約20重量%の範囲で前記酸化イッテルビウムに添加される焼結助剤をさらに有する、請求項13に記載の耐食性構成要素。
- 前記少なくとも1つの介在層は導電性材料をさらに有する、請求項12に記載の耐食性構成要素。
- 半導体チップを製造する際に使用するために構成されたアセンブリであって、
反応器と、
請求項1の耐食性構成要素とを備えるアセンブリ。 - 前記反応器はプラズマエッチング用に構成されたプラズマエッチング反応器であり、前記耐食性構成要素は前記プラズマエッチング反応器と解放可能に係合するように構成された蓋であり、前記蓋は1×10−4未満の損失正接を有する、請求項16に記載のアセンブリ。
- 前記反応器はハロゲンガスでその場で洗浄するように構成された堆積反応器であり、前記耐食性構成要素はヒーターである、請求項16に記載のアセンブリ。
- 白色耐食性構成要素を調製するための方法であって、
第1の層の総重量に基づいて少なくとも15重量%の希土類化合物を有する焼結性粉末組成物の第1の層と、焼結性基板材料の第2の層を積層してプレ積層体を形成し、前記焼結性基板材料が、酸化アルミニウム、窒化アルミニウム、窒化ケイ素、ケイ酸塩系材料およびそれらの2つ以上の混合物からなる群から選択され、前記第1の層は前記第2の層の50%未満の厚さであることと、
前記プレ積層体を熱処理して、白色耐食性非多孔質外層を含んでおり、少なくとも50μmの厚さおよび最大で1%の気孔率を有する耐食性構成要素を形成して耐食性積層体を形成することと、
前記耐食性積層体をさらに空気中で少なくとも800℃から最大で1500℃までの温度で少なくとも0.5時間から最大で48時間熱処理することで、前記白色耐食性非多孔質外層の平面上で測定したとき少なくとも90のL*値を有する白色耐食性構成要素を形成することとを含む方法。 - 前記白色耐食性構成要素は、前記耐食性非多孔質外層の平面上で測定したとき少なくとも92のL*値を有する、請求項19に記載の方法。
- 前記白色耐食性構成要素は、前記耐食性非多孔質外層の平面上で測定したとき少なくとも94のL*値を有する、請求項20に記載の方法。
- 前記希土類化合物は、酸化イットリウム(Y2O3)、ケイ酸イットリウム、フッ化イットリウム、オキシフッ化イットリウム、アルミン酸イットリウム、窒化物、複合窒化物化合物およびそれらの2つ以上の組み合わせからなる群から選択される、請求項19に記載の方法。
- 前記第1の層の総重量に基づいて少なくとも15重量%の希土類化合物を有する焼結性粉末組成物の第1の層を積層する前記工程は、前記希土類化合物の総重量に基づいて約300ppmから約20重量%の範囲で前記希土類化合物に添加される焼結助剤をさらに有する、請求項22に記載の方法。
- 前記焼結助剤は、ZrO2、HfO2およびCeO2から選択される少なくとも1つの材料である、請求項23に記載の方法。
- 添加される前記焼結助剤は、前記希土類化合物の総重量に基づいて少なくとも0.5重量%および最大で5重量%の量である、請求項23に記載の方法。
- 添加される前記焼結助剤は、前記希土類化合物の総重量に基づいて約1重量%の量のZrO2である、請求項24に記載の方法。
- 前記積層する工程は、前記第1の層と前記第2の層との間に積層された焼結性粉末の少なくとも1つの介在層を積層することをさらに有し、焼結性粉末の前記少なくとも1つの介在層は、希土類酸化物、希土類ケイ酸塩、希土類アルミン酸塩およびそれらの2つ以上の混合物から選択される1つの材料である、請求項23に記載の方法。
- 焼結性粉末の前記少なくとも1つの介在層は酸化イッテルビウムであり、前記酸化イッテルビウムの総重量に基づいて約300ppmから約20重量%の範囲で前記酸化イッテルビウムに添加される焼結助剤をさらに有する、請求項27に記載の方法。
- a)前記希土類化合物の総重量に基づいて約300ppmから約20重量%の範囲で前記希土類化合物に添加される焼結助剤であって、ZrO2、HfO2およびCeO2から選択される少なくとも1つの材料である焼結助剤と、
b)前記セラミック絶縁基板内に埋め込まれる、または前記セラミック絶縁基板と前記耐食性非多孔質層との間に積層される少なくとも1つの介在層であって、希土類酸化物、希土類ケイ酸塩、希土類アルミン酸塩およびそれらの2つ以上の混合物から選択される少なくとも1つの材料である少なくとも1つの介在層とをさらに有する、請求項1に記載の耐食性構成要素。 - 前記少なくとも1つの介在層は、酸化イッテルビウム(Yb2O3)であり、前記酸化イッテルビウムの総重量に基づいて約300ppmから約20重量%の範囲で前記酸化イッテルビウムに添加される焼結助剤をさらに有する、請求項29に記載の耐食性構成要素。
- a)セラミック絶縁基板と、
b)前記セラミック絶縁基板に接着された耐食性非多孔質外層であって、少なくとも50μmの厚さ、最大1%の気孔率、ならびに前記耐食性非多孔質層の総重量に基づいて少なくとも15重量%の希土類化合物、および前記希土類化合物の総重量に基づいて約300ppmから約20重量%の範囲で前記希土類化合物に添加される第1の焼結助剤を有する組成を有する耐食性非多孔質外層と、
c)前記セラミック絶縁基板内に埋め込まれる、または前記セラミック絶縁基板と前記耐食性非多孔質層との間に積層される少なくとも1つの介在層であって、希土類酸化物、希土類ケイ酸塩、希土類アルミン酸塩およびそれらの2つ以上の混合物から選択される少なくとも1つの材料であり、希土類酸化物、希土類ケイ酸塩、希土類アルミン酸塩およびそれらの2つ以上の混合物から選択される前記少なくとも1つの材料に添加される第2の焼結助剤をさらに有する少なくとも1つの介在層と、
d)最大1000ppmの炭素含有量とを有する耐食性構成要素。 - 前記少なくとも1つの介在層は酸化イッテルビウムであり、前記第2の焼結助剤は、前記酸化イッテルビウム総重量に基づいて約300ppmから約20重量%の範囲で前記酸化イッテルビウムに添加される、請求項31に記載の耐食性構成要素。
- 前記第1の焼結助剤は、ZrO2、HfO2およびCeO2から選択される少なくとも1つの材料であり、前記第2の焼結剤は、ZrO2、HfO2およびCeO2から選択される少なくとも1つの材料である、請求項31に記載の耐食性構成要素。
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