JP5722516B2 - 原子層のcvd - Google Patents
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- JP5722516B2 JP5722516B2 JP2001198085A JP2001198085A JP5722516B2 JP 5722516 B2 JP5722516 B2 JP 5722516B2 JP 2001198085 A JP2001198085 A JP 2001198085A JP 2001198085 A JP2001198085 A JP 2001198085A JP 5722516 B2 JP5722516 B2 JP 5722516B2
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B25/00—Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
- C30B25/02—Epitaxial-layer growth
- C30B25/14—Feed and outlet means for the gases; Modifying the flow of the reactive 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
- C23C16/4412—Details relating to the exhausts, e.g. pumps, filters, scrubbers, particle traps
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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
- C23C16/455—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 characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45502—Flow conditions in reaction chamber
- C23C16/45508—Radial flow
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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
- C23C16/455—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 characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45523—Pulsed gas flow or change of composition over time
- C23C16/45525—Atomic layer deposition [ALD]
- C23C16/45527—Atomic layer deposition [ALD] characterized by the ALD cycle, e.g. different flows or temperatures during half-reactions, unusual pulsing sequence, use of precursor mixtures or auxiliary reactants or activations
-
- 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
- C23C16/455—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 characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45523—Pulsed gas flow or change of composition over time
- C23C16/45525—Atomic layer deposition [ALD]
- C23C16/45544—Atomic layer deposition [ALD] characterized by the apparatus
- C23C16/45546—Atomic layer deposition [ALD] characterized by the apparatus specially adapted for a substrate stack in the ALD reactor
-
- 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
- C23C16/455—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 characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45559—Diffusion of reactive gas to substrate
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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
- Y10T117/00—Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
- Y10T117/10—Apparatus
- Y10T117/1004—Apparatus with means for measuring, testing, or sensing
-
- 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
- Y10T117/00—Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
- Y10T117/10—Apparatus
- Y10T117/1004—Apparatus with means for measuring, testing, or sensing
- Y10T117/1008—Apparatus with means for measuring, testing, or sensing with responsive control means
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- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Vapour Deposition (AREA)
Description
1. 複数のディスク型の基材上への固いフィルムの原子層めっき法であって、
− 前記複数の基材を反応室内に垂直の間隔を空けた関係及び水平の配置で挿入すること、ここで前記基材はホールダー中に配置され、各基材は隣接の基材から離されており、そのホールダーは上方及び下方プレートそれぞれに固定された上端及び下端に少なくとも3本の垂直のカラムを含んでなり、そこで各カラムには前記ウェファーの縁部を受け入れるための相互に離されたくぼみが付いており、そしてそのホールダーはウェファーと一緒に反応室中に挿入され、そしてそこか取り出される、
− 基材をめっき温度に加熱すること、
− めっき温度が表面に少なくとも2種類の反応物の凝縮を防止するのに十分高く、しかし少なくとも2種類の反応物それぞれの有意な熱分解を個別にもたらすほど高くないように、その両側で前記基材それぞれを少なくとも2種類の相互反応性反応物の交互の連続的パルスに暴露すること、
を含んでなる方法。
2. 前記基材それぞれを交互の連続的パルスに暴露することが前記ディスクの主要な面に垂直な方向に前記反応物を円周方向に流すこと含んでなる、第1項記載の方法。
3. 原子層めっき後、基材を同一反応室内で前記の固い被膜上のさらなる被膜のめっきのための(バルク)cvd法に暴露する、前項のうちの1項に記載の方法。
4. 反応物の供給期間中に反応室が排気され、そして供給期間が、反応物の供給期間中の反応室内の平均圧力を考慮に入れて、この期間中に反応室の容量が1〜50倍の反応物で入れ換えられるほど長いことを特徴とする、前項のうちの1項に記載の方法。
5. 継続的な反応物のパルスの間に、不活性ガスの流れが反応容器内に供給される間に反応容器が排気され、そして少なくともこの期間の一部の間には、反応容器内の圧力が反応物の供給期間中の平均圧力より低いことを特徴とする、前項のうちの1項に記載の方法。
6. 継続的反応物パルスの間の期間中に不活性ガス流が、その時間の一部で高いレベルにあり、その時間の一部で低いレベルにある、第5項記載の方法。
7. 反応物の注入期間中反応物の注入地点から上流に位置する注入地点で不活性ガスが反応室に注入される、前項のうちの1項に記載の方法。
8. めっきされた被膜が酸化タンタルである、前項のうちの1項に記載の方法。
9. 複数の基材上への原子層のめっきのためのアセンブリーであって、前記の複数の基材を受納するための反応室をもつ反応容器、前記の反応室内に前記の基材それぞれを受納し配置するための収納手段、ここで前記の収納手段は前記反応容器から離されているホールダーを含んでなり、そして前記基材を保持している前記反応容器中に侵入しそこから取り出されることができる、前記のホールダーはそれぞれ前記ウェファーの複数の支持手段が付いている少なくとも3本のカラムを含んでなり、前記の支持手段は隣接ウェファーから間隔を空けて各ウェファーを支持するようになっている、
を含んでなるアセンブリー。
10. 前記反応容器が前記反応容器内で交互の連続的パルスを供給されるために相互に反応性の反応物の少なくとも2種類の源に連絡された少なくとも2個の弁を制御するための制御手段を含んでなる、第9項記載のアセンブリー。
11. 前記制御手段が前記の少なくとも2種類の相互に反応性の反応物の交互の連続的パルスの間に侵入させるために不活性ガス源に連絡された弁を制御するようになっている、第10項記載のアセンブリー。
Claims (6)
- 複数のディスク型の基材上に、少なくとも2種類の相互反応性反応物から固体薄膜の原子層をめっきする方法であって、
前記複数の基材を、反応室内に垂直の間隔を空けた関係及び水平の配置で挿入することであって、ここで前記基材はホールダー中に配置され、各基材は隣接の基材から、狭い隙間で離されており、該ホールダーは、上方及び下方プレートそれぞれに固定された上端及び下端に少なくとも3本の垂直のカラムを含んでなり、そこで各カラムには前記基材の縁部を受け入れるための相互に離されたくぼみが付いており、そして該ホールダーが基材と一緒に反応室中に挿入され、そして反応室から取り出されること、
基材をめっき温度に加熱することであって、該めっき温度が、基材表面上への少なくとも2種類の反応物の凝縮を防止するよう十分に高いが、少なくとも2種類の反応物の各々の重大な熱分解になるようにはそれぞれ十分に高くないめっき温度であること、
基材の周囲と反応室の内側のライナーの間の環状の隙間内において、基材の主要な面に直交する垂直方向に、反応室の入口端から反応室の排出端に向う反応物の強制的な対流性の及び周方向のガス流によって、そして、基材間の狭い隙間への反応物の輸送が拡散により決定されることによって、その両側で前記基材それぞれを少なくとも2種類の相互反応性反応物の交互の連続的パルスに暴露すること、
継続的な反応物のパルスの間の時間中に反応室が排気されることであって、この時間の間に前の反応物のパルスを反応室から追い出すように不活性ガスの流れが反応室内に供給され、そして、この時間の少なくとも一部の時間の間に反応容器内の圧力が反応物の供給の際の平均圧力よりも低いように不活性ガス流量及び/又はポンプ容量が選択されること、
を含んでいる方法。
- 原子層めっき後、基材を同一反応室内で前記の固体薄膜上のさらなる被膜のめっきのための化学蒸着法に暴露する、請求項1に記載の方法。
- 反応物の供給期間中に、反応室が排気され、そして供給期間が、反応物の供給期間中の反応室内の平均圧力を考慮に入れて、この期間中に反応室の容量が1〜50倍の反応物で入れ換えられるほど長いことを特徴とする、請求項1、2のいずれかに記載の方法。
- 継続的反応物パルスの間の期間中に、不活性ガス流が、その時間の一部で高いレベルにあり、その時間の一部で低いレベルにある、請求項1記載の方法。
- 反応物の注入期間中、反応物の注入地点から上流に位置する注入地点で不活性ガスが反応室に注入される、請求項1〜4のいずれか1項に記載の方法。
- めっきされた被膜が酸化タンタルである、請求項1〜5のいずれか1項に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/611536 | 2000-07-07 | ||
US09/611,536 US6585823B1 (en) | 2000-07-07 | 2000-07-07 | Atomic layer deposition |
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JP2002060947A JP2002060947A (ja) | 2002-02-28 |
JP5722516B2 true JP5722516B2 (ja) | 2015-05-20 |
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JP2001198085A Expired - Lifetime JP5722516B2 (ja) | 2000-07-07 | 2001-06-29 | 原子層のcvd |
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US (2) | US6585823B1 (ja) |
JP (1) | JP5722516B2 (ja) |
TW (1) | TWI272664B (ja) |
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