JP5919388B2 - 位相差を有する反応ガスを供給する基板処理装置 - Google Patents
位相差を有する反応ガスを供給する基板処理装置 Download PDFInfo
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- 239000012495 reaction gas Substances 0.000 title claims description 51
- 238000006243 chemical reaction Methods 0.000 claims description 132
- 238000000034 method Methods 0.000 claims description 99
- 239000007789 gas Substances 0.000 claims description 56
- 239000006227 byproduct Substances 0.000 claims description 13
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 2
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- 238000000407 epitaxy Methods 0.000 description 13
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- 230000008021 deposition Effects 0.000 description 9
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- 238000005530 etching Methods 0.000 description 7
- 239000007795 chemical reaction product Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 239000004065 semiconductor Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 239000002019 doping agent Substances 0.000 description 4
- 239000013067 intermediate product Substances 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 239000002243 precursor Substances 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 2
- 229910003902 SiCl 4 Inorganic materials 0.000 description 2
- RBFQJDQYXXHULB-UHFFFAOYSA-N arsane Chemical compound [AsH3] RBFQJDQYXXHULB-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000012159 carrier gas Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- SLLGVCUQYRMELA-UHFFFAOYSA-N chlorosilicon Chemical compound Cl[Si] SLLGVCUQYRMELA-UHFFFAOYSA-N 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005137 deposition process Methods 0.000 description 2
- ZOCHARZZJNPSEU-UHFFFAOYSA-N diboron Chemical compound B#B ZOCHARZZJNPSEU-UHFFFAOYSA-N 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- GVGCUCJTUSOZKP-UHFFFAOYSA-N nitrogen trifluoride Chemical compound FN(F)F GVGCUCJTUSOZKP-UHFFFAOYSA-N 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
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- 125000006850 spacer group Chemical group 0.000 description 1
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Description
発明が解決しようとする課題
本発明の目的は,工程空間内に均一な反応ガスの流動を形成する基板処理装置を提供することにある。
以下,本発明の好ましい実施例を添付した図1乃至図11を参照してより詳細に説明する。本発明の実施例は様々な形に変形されてもよく,本発明の範囲が後述する実施例に限られると解釈されてはならない。本実施例は,該当発明の属する技術分野における通常の知識を有する者に本発明をより詳細に説明するために提供されるものである。よって,図面に示した各要素の形状はより明確な説明を強調するために誇張される可能性がある。
字形状であり,後述する排気ノズルユニット334は排気ポート344を介して第1排気ライン342と連結される。また,補助排気ポート328aは補助排気ライン328bに連結され,下部チャンバ312b内部の積載空間は補助排気ポート328aを介して排気可能である。
Claims (8)
- 基板に対する工程が行われる基板処理装置において,
上部が開放され,一側に前記基板が出入する通路が形成される下部チャンバと,
前記下部チャンバの開放された上部を閉鎖し,前記工程が行われる工程空間を提供する外部反応チューブと,
一つ以上の前記基板が上下方向に積載され,前記基板が積載される積載位置及び前記基板に対する前記工程が行われる工程位置に転換可能な基板ホルダと,
前記外部反応チューブの内部で,且つ,前記基板ホルダの周囲に配置されて,前記外部反応チューブの内側を,前記基板に対する反応領域と非反応領域に区画すると共に,複数の供給貫通孔と,複数の排気貫通孔を有し,前記供給貫通孔と前記排気貫通孔が内壁に沿ってそれぞれ周方向に位相差を以て,且つ相互に異なる高さで配置された内部反応チューブと,
前記外部反応チューブの内部に設置されて前記反応領域に向かって反応ガスを供給し,上下方向に沿って位相差を有する前記反応ガスの流動を形成するガス供給ユニットとを含み,
前記ガス供給ユニットは,
それぞれ前記供給貫通孔を通過するように前記外部反応チューブの内壁に沿って上下方向に配置されていると共に,前記反応ガスを吐出する供給口をそれぞれ備え,更に,前記供給口が,前記内部反応チューブ内に位置するように前記外部反応チューブの内壁に沿って周方向に位相差を以て配置され,且つ,互いに異なる高さに配置されている,複数の供給ノズルと,
前記反応ガスを前記各供給ノズルに供給するために,それぞれが前記供給ノズルに連結されていると共に,前記内部反応チューブの外側に配置された複数の供給管と,
前記反応ガスを前記各供給管に供給するために,それぞれが前記供給管に接続された複数の供給ラインと,
それぞれが前記排気貫通孔を通過するように外部反応チューブの内壁に沿って配置されていると共に,前記処理空間内の未反応ガス及び反応副産物を吸入するための排気口をそれぞれ備え,更に,前記排気口が,前記内部反応チューブ内に配置されるように前記外部反応チューブの内壁に沿って周方向に位相差を以て配置され,且つ,互いに異なる高さに配置された,複数の排気ノズルと,
前記各排気ノズルを介して吸引された未反応性ガス及び反応副産物が通過するように,それぞれ前記排気ノズルに接続されていると共に,前記内部反応チューブの外側に配置された複数の排気管,を備えており,
前記供給口の中心が,同一の高さにある前記排気口の中心と対称に配置され,反応ガスの流れが上下方向で位相差を有することを特徴とする基板処理装置。 - 前記供給ノズル及び前記排気ノズルは,前記基板ホルダが前記工程位置に位置する際に前記基板ホルダに積載された前記基板の位置とそれぞれ対応するように配置されることを特徴とする請求項1記載の基板処理装置。
- それぞれの前記供給ノズルは円形断面の前記供給口を有する円形管であり,
それぞれの前記排気ノズルは吸入方向に沿って断面積が減少する内部空間と,先端に形成されたスロット状断面の前記排気口を有することを特徴とする請求項1記載の基板処理装置。 - それぞれの前記供給ノズルは吐出方向に沿って断面積が増加する内部空間と,先端に形成されたスロット状断面の前記供給口を有し,
それぞれの前記排気ノズルは吸入方向に沿って断面積が減少する内部空間と,先端に形成されたスロット状断面の前記排気口を有することを特徴とする請求項1記載の基板処理装置。 - それぞれの前記供給ノズルは吐出方向に沿って断面積が増加する内部空間と,先端に形成されたスロット状断面の前記供給口,そして前記供給口の上に設置されて複数の噴射孔を有する噴射板を有し,
それぞれの前記排気ノズルは吸入方向に沿って断面積が減少する内部空間と,先端に形成されたスロット状断面の前記排気口を有することを特徴とする請求項1記載の基板処理装置。 - 前記基板処理装置は,前記下部チャンバと前記外部反応チューブとの間に設置される支持フランジを更に含み,
前記供給ラインは前記支持フランジを介して前記供給ノズルにそれぞれ連結されることを特徴とする請求項1記載の基板処理装置。 - 前記基板処理装置は,前記外部反応チューブの内部に設置されて上下方向に配置された熱電対を更に含むことを特徴とする請求項1記載の基板処理装置。
- 前記基板処理装置は,前記基板ホルダに連結されて前記工程の間に予め設定された方向に回転する回転軸を更に含むことを特徴とする請求項1記載の基板処理装置。
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