JP7622237B2 - エピタキシチャンバ及びcvdチャンバのためのガスインジェクタ - Google Patents
エピタキシチャンバ及びcvdチャンバのためのガスインジェクタ Download PDFInfo
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- JP7622237B2 JP7622237B2 JP2023543348A JP2023543348A JP7622237B2 JP 7622237 B2 JP7622237 B2 JP 7622237B2 JP 2023543348 A JP2023543348 A JP 2023543348A JP 2023543348 A JP2023543348 A JP 2023543348A JP 7622237 B2 JP7622237 B2 JP 7622237B2
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- C30B25/00—Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
- C23C16/45563—Gas nozzles
- C23C16/45574—Nozzles for more than one gas
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- 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
- C23C16/45563—Gas nozzles
- C23C16/45578—Elongated nozzles, tubes with holes
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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
- 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
- C23C16/45563—Gas nozzles
- C23C16/4558—Perforated rings
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- 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
- C23C16/48—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 by irradiation, e.g. photolysis, radiolysis, particle radiation
- C23C16/482—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 by irradiation, e.g. photolysis, radiolysis, particle radiation using incoherent light, UV to IR, e.g. lamps
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- C30B25/00—Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
- C30B25/02—Epitaxial-layer growth
- C30B25/10—Heating of the reaction chamber or the substrate
- C30B25/105—Heating of the reaction chamber or the substrate by irradiation or electric discharge
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- C30B25/00—Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
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- C30B25/00—Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
- C30B25/02—Epitaxial-layer growth
- C30B25/16—Controlling or regulating
- C30B25/165—Controlling or regulating the flow of the reactive gases
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Description
また、本願は以下の態様も含む。
(態様1)
処理チャンバ内で使用するための混合ガスアセンブリであって、
プロセスガス供給源に接続されるよう構成された入口を有するガスリザーバと、
前記ガスリザーバに流体的に結合されており、前記処理チャンバを迂回する排気ポンプに結合されるよう構成された排気誘導バルブと、
並列に配置されており、前記ガスリザーバに流体的に結合された複数のスプリッタバルブと、
処理チャンバであって、前記処理チャンバの処理空間が前記スプリッタバルブのそれぞれと流体連通している、処理チャンバと、
前記排気誘導バルブと前記複数のスプリッタバルブのそれぞれを通る流量を制御するよう構成されたマスタ流量コントローラと、
を備える、混合ガスアセンブリ。
(態様2)
複数のガス分割導管であって、前記ガス分割導管のそれぞれが、前記スプリッタバルブのうちの1つと、複数の混合点のうちの1つの混合点と、の間に流体的に結合している、複数のガス分割導管と、
キャリアガス供給源、及び前記複数の混合点のそれぞれに流体的に結合するよう構成されたキャリアガス導管と、
前記複数の混合点と前記処理空間との間に延びる複数の混合ガス導管と、
をさらに含む、態様1に記載の混合ガスアセンブリ。
(態様3)
前記スプリッタバルブのそれぞれに流体的に結合されており、前記処理空間に混合ガスを供給するよう構成されたガスインジェクタをさらに含む、態様1に記載のガス混合アセンブリ。
(態様4)
前記スプリッタバルブのそれぞれが、前記スプリッタバルブを開閉するよう構成されたバルブコントローラをさらに含む、態様1に記載の混合ガスアセンブリ。
Claims (16)
- 基板処理のための処理チャンバであって、
注入リングであって、該注入リングの片側半分に配置され、かつ該注入リングを貫通して配置された1つ以上のインジェクタ通路を含む注入リングと、
1つ以上のガスインジェクタであって、前記1つ以上のガスインジェクタのそれぞれが、前記インジェクタ通路のうちの1つの内部に配置されており、前記ガスインジェクタのそれぞれが、
インジェクタ挿入部、
ガス導入通路、
前記ガス導入通路に流体的に結合されたガス拡散通路、及び
前記ガス導入通路とは反対側の前記インジェクタ挿入部の注入面を貫通して配置されており、前記ガス拡散通路と流体連通した出口開口部
を含む1つ以上のガスインジェクタと、
を備え、
3つ以上のインジェクタ通路及び3つ以上のガスインジェクタが存在し、前記ガスインジェクタのそれぞれが、前記注入リングの中央部分に向かって配向されている、処理チャンバ。 - 前記1つ以上のガスインジェクタのそれぞれが、前記インジェクタ挿入部を通る1つ以上のヒータをさらに備える、請求項1に記載の処理チャンバ。
- 前記ガス拡散通路は、複数の通路の分岐、及び複数の経路を含み、前記ガスインジェクタのそれぞれが、
前記ガス拡散通路の遠位端に配置され、単一の空間を画定する第1のプレナム、及び
前記第1のプレナムと前記出口開口部との間に配置されたフィンアレイ
をさらに備え、前記フィンアレイが、前記インジェクタ挿入部の底面と上面との間に配置された複数のフィンを備え、前記複数のフィンは、複数の経路延長部を形成するように分布している、請求項1に記載の処理チャンバ。 - 前記ガス導入通路が、インジェクタ基体を貫通して配置された単一の通路である、請求項1に記載の処理チャンバ。
- 前記ガス拡散通路が、複数の通路の分岐、及び複数の経路を含む、請求項1に記載の処理チャンバ。
- フィンアレイが、前記ガス拡散通路と前記出口開口部との間に配置されており、バッフルアレイが、前記フィンアレイと前記出口開口部との間に配置されている、請求項5に記載の処理チャンバ。
- リングインジェクタをさらに含み、前記リングインジェクタが、
内側リング表面を含む分配本体と、
前記内側リング表面を貫通して配置された複数の孔と、
を含む、請求項1に記載の処理チャンバ。 - 処理チャンバ内で使用するためのガスインジェクタであって、
インジェクタ挿入部と、
前記ガスインジェクタを貫通して配置されたガス導入通路と、
前記ガス導入通路に接続されたガス拡散通路であって、ガス分配ツリーを形成するガス拡散通路と、
前記ガス導入通路とは反対側の前記インジェクタ挿入部の注入面を貫通して配置されており、前記ガス拡散通路と流体連通した出口開口部と、
を備え、
前記ガス拡散通路が、複数の通路の分岐、及び複数の経路を含み、
フィンアレイが、前記ガス拡散通路と前記出口開口部との間に配置されており、
バッフルアレイが、前記フィンアレイと前記出口開口部との間に配置されており、
前記バッフルアレイが複数のバッフルを含み、各バッフルが、前記フィンアレイに面した第1の表面であって、前記出口開口部に面した第2の表面より広い第1の表面を有するよう成形されている、ガスインジェクタ。 - 前記ガスインジェクタが、前記ガス拡散通路の遠位端に配置され且つ単一の空間を画定する第1のプレナムをさらに備える、請求項8に記載のガスインジェクタ。
- 前記フィンアレイが前記第1のプレナムと前記出口開口部との間に配置されている、請求項9に記載のガスインジェクタ。
- 前記フィンアレイが、前記インジェクタ挿入部の底面と上面との間に配置された複数のフィンを備え、前記複数のフィンが、複数の経路延長部を形成するように分布している、請求項10に記載のガスインジェクタ。
- 基板処理のための処理チャンバであって、
注入リングであって、該注入リングの片側半分に配置され、かつ該注入リングを貫通して配置された1つ以上のインジェクタ通路を含む、注入リングと、
1つ以上のガスインジェクタであって、前記1つ以上のガスインジェクタのそれぞれが、前記インジェクタ通路のうちの1つの内部に配置されており、前記ガスインジェクタのそれぞれが、
インジェクタ挿入部、
ガス導入通路、
前記ガス導入通路に流体的に結合されたガス拡散通路、及び
前記ガス導入通路とは反対側の前記インジェクタ挿入部の注入面を貫通して配置されており、前記ガス拡散通路と流体連通した出口開口部
を含む1つ以上のガスインジェクタと、
リングインジェクタであって、
内側リング表面を含む分配本体、及び
前記内側リング表面を貫通して配置された複数の孔、
を含む、リングインジェクタと
を備える、処理チャンバ。 - 前記インジェクタ挿入部内に配置された1つ以上のヒータをさらに含む、請求項8に記載のガスインジェクタ。
- 前記1つ以上のヒータはそれぞれ、抵抗性加熱要素又は放射加熱要素である、請求項13に記載のガスインジェクタ。
- 前記ガス導入通路が第1のガス導入通路であり、前記ガス拡散通路が第1の拡散通路であり、前記出口開口部が第1の出口開口部であり、前記インジェクタ挿入部が、
第2のガス導入通路と、
第2のガス拡散通路と、
第2の出口開口部と、
をさらに含む、請求項8に記載のガスインジェクタ。 - 前記第1の出口開口部が、前記第2の出口開口部の下方に配置されている、請求項15に記載のガスインジェクタ。
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| US17/317,684 | 2021-05-11 | ||
| US17/317,342 US12018372B2 (en) | 2021-05-11 | 2021-05-11 | Gas injector for epitaxy and CVD chamber |
| US17/317,363 | 2021-05-11 | ||
| US17/317,342 | 2021-05-11 | ||
| US17/317,684 US20220367216A1 (en) | 2021-05-11 | 2021-05-11 | Multi-zone lamp heating and temperature monitoring in epitaxy process chamber |
| US17/317,363 US12060651B2 (en) | 2021-05-11 | 2021-05-11 | Chamber architecture for epitaxial deposition and advanced epitaxial film applications |
| US17/317,565 | 2021-05-11 | ||
| PCT/US2022/025321 WO2022240553A1 (en) | 2021-05-11 | 2022-04-19 | Gas injector for epitaxy and cvd chamber |
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