JP2020530067A - 高温ヒーター用の原子層堆積コーティング - Google Patents
高温ヒーター用の原子層堆積コーティング Download PDFInfo
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- JP2020530067A JP2020530067A JP2020506250A JP2020506250A JP2020530067A JP 2020530067 A JP2020530067 A JP 2020530067A JP 2020506250 A JP2020506250 A JP 2020506250A JP 2020506250 A JP2020506250 A JP 2020506250A JP 2020530067 A JP2020530067 A JP 2020530067A
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- layer
- coating
- low volatility
- heater
- rare earth
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- 239000011248 coating agent Substances 0.000 title claims abstract description 151
- 238000000231 atomic layer deposition Methods 0.000 title claims description 121
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 93
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 92
- 238000000034 method Methods 0.000 claims abstract description 68
- 239000010410 layer Substances 0.000 claims description 276
- 239000000463 material Substances 0.000 claims description 127
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 claims description 84
- 239000012790 adhesive layer Substances 0.000 claims description 32
- 239000000376 reactant Substances 0.000 claims description 31
- 238000006243 chemical reaction Methods 0.000 claims description 25
- 229910021193 La 2 O 3 Inorganic materials 0.000 claims description 9
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- 229910052727 yttrium Inorganic materials 0.000 description 23
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 23
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- 239000000919 ceramic Substances 0.000 description 19
- 239000000203 mixture Substances 0.000 description 15
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- 239000001301 oxygen Substances 0.000 description 8
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- -1 YF 3 ) Chemical compound 0.000 description 4
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 description 4
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- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 description 4
- 229910052688 Gadolinium Inorganic materials 0.000 description 3
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- 229910052772 Samarium Inorganic materials 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
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- 238000010438 heat treatment Methods 0.000 description 3
- 238000000869 ion-assisted deposition Methods 0.000 description 3
- 229910052746 lanthanum Inorganic materials 0.000 description 3
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 3
- OHSVLFRHMCKCQY-UHFFFAOYSA-N lutetium atom Chemical compound [Lu] OHSVLFRHMCKCQY-UHFFFAOYSA-N 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
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- 229910052757 nitrogen Inorganic materials 0.000 description 3
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 3
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- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 3
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 3
- 229910052706 scandium Inorganic materials 0.000 description 3
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- 229910003440 dysprosium oxide Inorganic materials 0.000 description 2
- NLQFUUYNQFMIJW-UHFFFAOYSA-N dysprosium(iii) oxide Chemical compound O=[Dy]O[Dy]=O NLQFUUYNQFMIJW-UHFFFAOYSA-N 0.000 description 2
- 238000002003 electron diffraction Methods 0.000 description 2
- CMIHHWBVHJVIGI-UHFFFAOYSA-N gadolinium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Gd+3].[Gd+3] CMIHHWBVHJVIGI-UHFFFAOYSA-N 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
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- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 description 2
- QKCGXXHCELUCKW-UHFFFAOYSA-N n-[4-[4-(dinaphthalen-2-ylamino)phenyl]phenyl]-n-naphthalen-2-ylnaphthalen-2-amine Chemical compound C1=CC=CC2=CC(N(C=3C=CC(=CC=3)C=3C=CC(=CC=3)N(C=3C=C4C=CC=CC4=CC=3)C=3C=C4C=CC=CC4=CC=3)C3=CC4=CC=CC=C4C=C3)=CC=C21 QKCGXXHCELUCKW-UHFFFAOYSA-N 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
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- FWQVINSGEXZQHB-UHFFFAOYSA-K trifluorodysprosium Chemical compound F[Dy](F)F FWQVINSGEXZQHB-UHFFFAOYSA-K 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- YRAJNWYBUCUFBD-UHFFFAOYSA-N 2,2,6,6-tetramethylheptane-3,5-dione Chemical compound CC(C)(C)C(=O)CC(=O)C(C)(C)C YRAJNWYBUCUFBD-UHFFFAOYSA-N 0.000 description 1
- 229910017109 AlON Inorganic materials 0.000 description 1
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- LXVGPBHPQYZACE-UHFFFAOYSA-N CC1(C=CC=C1)[Er](C1(C=CC=C1)C)C1(C=CC=C1)C Chemical compound CC1(C=CC=C1)[Er](C1(C=CC=C1)C)C1(C=CC=C1)C LXVGPBHPQYZACE-UHFFFAOYSA-N 0.000 description 1
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- DICKDJQJCBQVEI-UHFFFAOYSA-N CCCCC1(C=CC=C1)[Er] Chemical compound CCCCC1(C=CC=C1)[Er] DICKDJQJCBQVEI-UHFFFAOYSA-N 0.000 description 1
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- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 229910017493 Nd 2 O 3 Inorganic materials 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
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- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 229910003902 SiCl 4 Inorganic materials 0.000 description 1
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- 239000002156 adsorbate Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- PCOPFSXTYFFNIG-UHFFFAOYSA-N butan-1-olate;yttrium(3+) Chemical compound [Y+3].CCCC[O-].CCCC[O-].CCCC[O-] PCOPFSXTYFFNIG-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
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- 230000015556 catabolic process Effects 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000012707 chemical precursor Substances 0.000 description 1
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- 239000003989 dielectric material Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000000313 electron-beam-induced deposition Methods 0.000 description 1
- JHFPQYFEJICGKC-UHFFFAOYSA-N erbium(3+) Chemical compound [Er+3] JHFPQYFEJICGKC-UHFFFAOYSA-N 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- UDYIZEUXFPJSCP-UHFFFAOYSA-N fluoro hypofluorite gadolinium Chemical compound [Gd].FOF UDYIZEUXFPJSCP-UHFFFAOYSA-N 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hcl hcl Chemical compound Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
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- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
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- 238000007726 management method Methods 0.000 description 1
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- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 239000013110 organic ligand Substances 0.000 description 1
- 125000002524 organometallic group Chemical group 0.000 description 1
- 238000007750 plasma spraying Methods 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- OEKDNFRQVZLFBZ-UHFFFAOYSA-K scandium fluoride Chemical compound F[Sc](F)F OEKDNFRQVZLFBZ-UHFFFAOYSA-K 0.000 description 1
- HYXGAEYDKFCVMU-UHFFFAOYSA-N scandium oxide Chemical compound O=[Sc]O[Sc]=O HYXGAEYDKFCVMU-UHFFFAOYSA-N 0.000 description 1
- 238000004626 scanning electron microscopy Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000005361 soda-lime glass Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000007751 thermal spraying Methods 0.000 description 1
- TYIZUJNEZNBXRS-UHFFFAOYSA-K trifluorogadolinium Chemical compound F[Gd](F)F TYIZUJNEZNBXRS-UHFFFAOYSA-K 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Classifications
-
- 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
- C23C16/22—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 deposition of inorganic material, other than metallic material
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
- C23C16/301—AIII BV compounds, where A is Al, Ga, In or Tl and B is N, P, As, Sb or Bi
- C23C16/303—Nitrides
-
- 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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- H01L21/02263—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase
- H01L21/02271—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
- H01L21/0228—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition deposition by cyclic CVD, e.g. ALD, ALE, pulsed CVD
-
- 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
- C23C16/22—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 deposition of inorganic material, other than metallic material
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
- C23C16/40—Oxides
-
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- 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
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Abstract
Description
原子層堆積を使用して、酸化ランタン層をガラス及びシリコン基板上に堆積した。ランタンシリルアミドLa[N(SiMe3)2]3、及び水を前駆体として使用して、150℃から250℃の温度範囲で堆積した。成長速度と屈折率に対するパルス時間、前駆体蒸発温度の影響を調査した。得られたLa2O3膜には、顕著な量の水素とシリコンが含まれており、大気中に保管すると化学的に不安定であった。La2O3膜は、La[N(SiMe3)2]3、Al(CH3)3、及びH2Oから225℃でLaAlO3の化学量論に近い化学量論で達成された。ランタン−ジケトネート前駆体La(thd)3を参照前駆体として使用した。
酸化イットリウムコーティングを、本明細書に記載の方法に従って、AlNセラミック基板上に原子層堆積法により堆積させた。酸化イットリウムコーティングの厚さは、約2μmであった。透過型電子顕微鏡及び電子回折により確認したところでは、酸化イットリウムコーティングは多結晶構造を有していた。酸化イットリウムコーティングとAlN基板の間に反応層が形成された。
本明細書に記載の方法に従って、窒化アルミニウムセラミック基板上にフッ化イットリウムコーティングを原子層堆積法により堆積させた。フッ化イットリウムコーティングの厚さは約160nmであった。透過型電子顕微鏡及び電子回折により確認したところでは、フッ化イットリウムコーティングは多結晶構造を有していた。酸化イットリウムコーティングと窒化アルミニウム基板の間に反応層が形成された。
実施形態によれば、本明細書に記載の低揮発性コーティングは、バリア層を含み得る。このバリア層を、AlN基板(例えば、ヒーター材料)の表面全体にALDによって堆積させ得る。バリア層は、希土類金属含有酸化物最上層と応力管理層を含み得る。希土類金属含有酸化物最上層は、約50nmから約5μm、又は約75nmから約3μm、又は約100nmから約2μmの厚さを有し得る。諸実施形態では、最上層は希土類金属含有酸化物であり、例えば、Y2O3、La2O3、Er2O3、Lu2O3、Sc2O3、Gd2O3、Sm2O3、Dy2O3、その三元バリアント、及びその組み合わせであってもよい。
本明細書に記載の諸実施形態によれば、ナノラミネートされた希土類酸化物(REO)及び窒化アルミニウム層で形成された低揮発性コーティングを、AlN基板上に堆積させ得る。約1nmから約10nmの厚さを有するAlN接着層を最初にAlN基板上に堆積させ得る。AlN接着層とAlNヒーター材料との間の界面は、AlONになり得る。その後、約8nmから約10nmの希土類酸化物(REO)と約2nmのAlNの交互層(耐摩耗層とも呼ばれる)のスタックを堆積させて、100nmのREO/AlN交互層を構築する。例えば、Y2O3の約8から10回の堆積サイクルとAlNの2回の堆積サイクルの交互層をALDによって堆積させ得る。いくつかの実施形態では、スタックの最上層はREO(例えば、Y2O3、Er2O3、Gd2O3、又はそれらの組み合わせ)である。
酸化イットリウムコーティングを、ALDによりAlN基板上に堆積させた。サンプルの1つは、厚さ500nmのY2O3コーティングを有し、別のサンプルは、厚さ5μmのY2O3コーティングを有していた。AlN基板の厚さは5mmであった。サンプルを処理チャンバ内で650℃の温度に加熱した。結果を表2に示す。
1)コーティング層は、基材の上面でのみモデル化され得る。
2)すべての部品の材料特性は、すべての温度で同一であると仮定され、温度依存特性は適用されない。
3)基板とコーティング層の半径に沿った温度は同一であり、勾配はないと仮定され、温度均一性はモデル化されていない。
4)基板とコーティング層の界面では完全に接点が接着している。
酸化エルビウムを、無線周波数(RF)スパッタリング、電子ビーム蒸着、有機金属化学気相堆積(MOCVD)、原子層堆積(ALD)を使用して基板に堆積させた。Si(100)及びソーダ石灰ガラス基板上へのEr2O3薄膜の原子層堆積のための前駆体として、有機金属トリス(メチルシクロペンタジエニル)エルビウム及び水を使用した。175℃から450℃の範囲の温度で堆積が生じた。ALD成長型のメカニズムが、250℃及び300℃の比較的低い堆積温度で確認され、ここでは、高い成長速度(すなわち、1.5Å/サイクル)が達成された。堆積したEr2O3膜は滑らかで非常に均一であり、低濃度の炭素及び水素の不純物のみが含まれていた。その膜は、立方晶相の(111)配向が支配的な結晶となっていた。Er2O3/自然SiO2絶縁体スタックの実効誘電率は約10であった。
AlN薄膜を、トリメチルアルミニウム及びアンモニア前駆体を使用したプラズマ強化原子層堆積によって成長させた。結晶性薄膜AlNを提供する方法であって、厚さのばらつきがほぼゼロで、処理のサイクルごとに原子を単層堆積させる方法が開発された。成長速度は約1Å/サイクルで限界に達し、厚さは反応サイクルの数に比例した。好ましい結晶方位、核形成の均一性、及び成長したAlNの表面粗さを調査した。X線回折(XRD)、原子焦点顕微鏡(AFM)、及び走査電子顕微鏡(SEM)を使用して、膜の結晶化度と特性を分析した。
Claims (15)
- 約50W/mKから約300W/mKの熱伝導率を有するヒーター材料を含む構成要素と、
ヒーター材料の表面上の低揮発性コーティングであって、約5nmから約5μmの厚さを有する低揮発性コーティングとを備え、
低揮発性コーティングは、希土類金属含有材料を含み、
低揮発性コーティングが施されたヒーター材料は、熱伝導率又は調整された熱伝導率を有しており、この熱伝導率は、低揮発性コーティングが施されていないヒーター材料の熱伝導率の約±5%以内である物品。 - 低揮発性コーティングが施されたヒーター材料は、比熱容量又は調整された比熱容量を有しており、この比熱容量は、低揮発性コーティングが施されていないヒーター材料の比熱容量の約±5%以内である、請求項1に記載の物品。
- 希土類金属含有材料は、Y2O3、Y3Al5O12(YAG)、Y4Al2O9(YAM)、YF3、YOF、Er2O3、Er3Al5O12(EAG)、EF3、EOF、La2O3、Lu2O3、Sc2O3、ScF3、ScOF、Gd2O3、Sm2O3又はDy2O3からなる群から選択されている、請求項1に記載の物品。
- 低揮発性コーティングは、約75nmから約200nmの厚さを有している、請求項1に記載の物品。
- 低揮発性コーティングは、
接着層と、
Y2O3、Y3Al5O12(YAG)、Y4Al2O9(YAM)、YF3、YOF、Er2O3、Er3Al5O12(EAG)、EF3、EOF、La2O3、Lu2O3、Sc2O3、ScF3、ScOF、Gd2O3、Sm2O3又はDy2O3からなる群から選択される材料を含む希土類金属含有層とを含んでいる、請求項1に記載の物品。 - 原子層堆積(ALD)を実行して、熱伝導率が約50W/mKから約300W/mKのヒーター材料を含む構成要素に低揮発性コーティングを堆積させる工程を含み、
低揮発性コーティングは、約5nmから約5μmの厚さを有し、
低揮発性コーティングはプラズマと反応して、ヒーター材料とプラズマとの反応により形成される反応物よりも低い蒸気圧を有する反応物を形成し、
低揮発性コーティングが施されたヒーター材料は、熱伝導率又は調整された熱伝導率を有しており、この熱伝導率は、低揮発性コーティングが施されていないヒーター材料の熱伝導率の約±5%以内である方法。 - 構成要素は高温ヒーターである、請求項1に記載の物品又は請求項6に記載の方法。
- ヒーター材料は窒化アルミニウムを含んでいる、請求項1に記載の物品又は請求項6に記載の方法。
- 低揮発性コーティングは、
接着層と、
窒化アルミニウムと希土類金属含有材料の交互層を含むスタック層とを含み、
希土類金属含有材料は、Y2O3、Y3Al5O12(YAG)、Y4Al2O9(YAM)、YF3、YOF、Er2O3、Er3Al5O12(EAG)、EF3、EOF、La2O3、Lu2O3、Sc2O3、ScF3、ScOF、Gd2O3、Sm2O3又はDy2O3からなる群から選択されている、請求項1に記載の物品又は請求項6に記載の方法。 - 熱伝導率は約150W/mKから約200W/mKである、請求項1に記載の物品又は請求項6に記載の方法。
- ヒーター材料は、25℃で約0.15cal/g℃から25℃で約0.30cal/g℃の比熱容量を有している、請求項1に記載の物品又は請求項6に記載の方法。
- 低揮発性コーティングが施されたヒーター材料は、比熱容量又は調整された比熱容量を有しており、この比熱容量は、低揮発性コーティングが施されていないヒーター材料の比熱容量の約±5%以内である、請求項6に記載の方法。
- 希土類金属含有材料は、Y2O3、Y3Al5O12(YAG)、Y4Al2O9(YAM)、YF3、YOF、Er2O3、Er3Al5O12(EAG)、EF3、EOF、La2O3、Lu2O3、Sc2O3、ScF3、ScOF、Gd2O3、Sm2O3又はDy2O3からなる群から選択されている、請求項6に記載の方法。
- 低揮発性コーティングは、約75nmから約200nmの厚さを有している、請求項6に記載の方法。
- 構成要素は高温ヒーターであり、低揮発性コーティングは高温ヒーターの露出部分を覆っている、請求項6に記載の方法。
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US16/101,329 | 2018-08-10 | ||
PCT/US2018/046755 WO2019036500A1 (en) | 2017-08-14 | 2018-08-14 | ATOMIC LAYER DEPOSITION COATINGS FOR HIGH TEMPERATURE HEATING DEVICES |
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JP2021017602A (ja) * | 2019-07-17 | 2021-02-15 | コニカミノルタ株式会社 | 微細構造体の製造方法及び微細構造体の製造装置 |
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