JP2022050047A - ガス導入構造及び処理装置 - Google Patents
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- 238000005192 partition Methods 0.000 claims abstract description 20
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- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 5
- 239000007789 gas Substances 0.000 description 150
- 238000004891 communication Methods 0.000 description 56
- 239000000463 material Substances 0.000 description 50
- 239000002994 raw material Substances 0.000 description 47
- 239000006185 dispersion Substances 0.000 description 37
- 235000012431 wafers Nutrition 0.000 description 25
- 238000010586 diagram Methods 0.000 description 11
- LXEXBJXDGVGRAR-UHFFFAOYSA-N trichloro(trichlorosilyl)silane Chemical compound Cl[Si](Cl)(Cl)[Si](Cl)(Cl)Cl LXEXBJXDGVGRAR-UHFFFAOYSA-N 0.000 description 11
- 238000000354 decomposition reaction Methods 0.000 description 10
- 238000010926 purge Methods 0.000 description 10
- 238000011144 upstream manufacturing Methods 0.000 description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 8
- 229910052710 silicon Inorganic materials 0.000 description 8
- 239000010703 silicon Substances 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 238000009826 distribution Methods 0.000 description 6
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- 238000000231 atomic layer deposition Methods 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 238000003672 processing method Methods 0.000 description 3
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
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- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- -1 for example Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
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- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
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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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Abstract
【解決手段】トーナメントノズル100は、略円筒形状の処理容器の長さ方向に延在して該処理容器10内にガスを供給するガス導入構造であって、導入室111を区画する導入部110と、複数の吐出室121を区画し、複数の吐出室121a~121hの各々が処理容器内にガスを吐出する複数のガス孔122a~121hを含む吐出部120と、導入室111に接続すると共にトーナメント状に複数の吐出室の数に対応して分岐して複数の吐出室に接続する分岐室131、132あ、132b、133a~133dを区画する分岐部130と、を有する。
【選択図】図4
Description
図1を参照し、実施形態の処理装置の一例について説明する。図1は、実施形態の処理装置の一例を示す概略図である。
まず、図2を参照し、分散ノズルについて説明する。図2は、分散ノズルの一例を示す図である。図2において、矢印は、ガスの流れを示し、ガス流量が大きいほど太く示す。
実施形態の処理方法の一例として、図1に示される処理装置1を用いて原子層堆積(ALD:Atomic Layer Deposition)法により、ウエハWにシリコン酸化膜を成膜する方法について説明する。
実施形態のトーナメントノズル100の効果を確認するために、トーナメントノズルから吐出される原料ガスの質量流量及びトーナメントノズル近傍の反応活性種のモル分率について、熱流体解析によるシミュレーションを実施した。なお、反応活性種の濃度分布を解析の対象としたのは、ウエハW上に成膜される所定の膜の膜厚は、原料ガスが熱分解して生成される反応活性種の濃度に起因することを考慮したことによる。
10 処理容器
70 加熱部
100 トーナメントノズル
110 導入部
111 導入室
120 吐出部
121a~121h 吐出室
122a~122h ガス孔
130 分岐部
131、132a、132b、133a~133d 分岐室
W ウエハ
Claims (11)
- 略円筒形状の処理容器の長さ方向に延在して該処理容器内にガスを供給するガス導入構造であって、
導入室を区画する導入部と、
複数の吐出室を区画する吐出部であり、前記複数の吐出室の各々が前記処理容器内にガスを吐出する複数のガス孔を含む吐出部と、
前記導入室に接続すると共にトーナメント状に前記複数の吐出室の数に対応して分岐して前記複数の吐出室に接続する分岐室を区画する分岐部と、
を有する、ガス導入構造。 - 前記複数の吐出室は、前記処理容器の長さ方向に沿って配置されている、
請求項1に記載のガス導入構造。 - 前記複数の吐出室の数は、2の累乗である、
請求項1又は2に記載のガス導入構造。 - 前記複数のガス孔は、前記処理容器の長さ方向に沿って間隔を有して配置されている、
請求項1乃至3のいずれか一項に記載のガス導入構造。 - 前記複数のガス孔は、前記処理容器の中心側に配向する、
請求項1乃至4のいずれか一項に記載のガス導入構造。 - 前記分岐室は、前記導入室から前記複数の吐出室の各々までの経路のコンダクタンスが同じである、
請求項1乃至5のいずれか一項に記載のガス導入構造。 - 前記導入部、前記分岐部及び前記吐出部は、前記処理容器の周方向に沿ってこの順に配置されている、
請求項1乃至6のいずれか一項に記載のガス導入構造。 - 前記分岐部及び前記吐出部は、前記導入部の周囲に配置されている、
請求項1乃至6のいずれか一項に記載のガス導入構造。 - 前記処理容器内には、複数の基板が前記処理容器の長さ方向に間隔を有して多段に収容される、
請求項1乃至8のいずれか一項に記載のガス導入構造。 - 前記処理容器は、該処理容器の周囲に設けられる略円筒形状の加熱部により加熱される、
請求項1乃至9のいずれか一項に記載のガス導入構造。 - 略円筒形状の処理容器と、
前記処理容器の長さ方向に延在して該処理容器内にガスを供給するガス導入構造と、
を備え、
前記ガス導入構造は、
導入室を区画する導入部と、
複数の吐出室を区画する吐出部であり、前記複数の吐出室の各々が前記処理容器内にガスを吐出する複数のガス孔を含む吐出部と、
前記導入室に接続すると共にトーナメント状に前記複数の吐出室の数に対応して分岐して前記複数の吐出室に接続する分岐室を区画する分岐部と、
を有する、
処理装置。
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JP2020156410A JP7486388B2 (ja) | 2020-09-17 | 2020-09-17 | ガス導入構造及び処理装置 |
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CN202111051005.3A CN114203532A (zh) | 2020-09-17 | 2021-09-08 | 气体导入构造和处理装置 |
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