JP7664717B2 - 真空処理装置および傾き調整方法 - Google Patents
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- C23C16/458—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 supporting substrates in the reaction chamber
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- H10P72/70—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof for supporting or gripping
- H10P72/76—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof for supporting or gripping using mechanical means, e.g. clamps or pinches
- H10P72/7604—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof for supporting or gripping using mechanical means, e.g. clamps or pinches the wafers being placed on a susceptor, stage or support
- H10P72/7624—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof for supporting or gripping using mechanical means, e.g. clamps or pinches the wafers being placed on a susceptor, stage or support characterised by the mechanical construction of the susceptor, stage or support
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- H10P72/70—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof for supporting or gripping
- H10P72/76—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof for supporting or gripping using mechanical means, e.g. clamps or pinches
- H10P72/7604—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof for supporting or gripping using mechanical means, e.g. clamps or pinches the wafers being placed on a susceptor, stage or support
- H10P72/7626—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof for supporting or gripping using mechanical means, e.g. clamps or pinches the wafers being placed on a susceptor, stage or support characterised by the construction of the shaft
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Description
図1は、一実施形態における真空処理装置100の構成の一例を示す概略断面図である。図1に例示された真空処理装置100は、真空雰囲気において成膜を行う装置である。例えば図1に示された真空処理装置100は、基板Wに対して、プラズマを用いたCVD(Chemical Vapor Deposition)処理を行なう装置である。
図4は、一実施形態における傾き調整方法の一例を示すフローチャートである。図4に例示された各ステップは、制御部102が本体101の各部を制御することにより実現される。
なお、本願に開示された技術は、上記した実施形態に限定されるものではなく、その要旨の範囲内で数々の変形が可能である。
La 光軸
O 中心
OF 基準形状
W 基板
100 真空処理装置
101 本体
102 制御部
1 処理容器
1a 開口部
1b 底壁
1b1 凹部
1b2 球面軸受
1c 開口部
1d 絶縁部材
1e 窓
1f 側壁
2 ステージ
2a 支持部材
2b ヒータ
2c 位置
2d 下端部
2e 領域
2f 凸部
2g 凹部
20 貫通孔
3 シャワーヘッド
3a 天板
3b シャワープレート
3c ガス拡散室
3d ガス吐出孔
3e ガス導入口
3f 位置
30 RF電源
31 整合器
35 ガス供給部
36 配管
40 排気口
41 配管
42 排気装置
7 傾き変更部
70 吸収機構
70a 開口部
71 べローズ
72 アクチュエータ
73 ベース部材
73a 開口部
700 板部材
701 リンク部材
702 凸部
703 凹部
704 球面軸受
705 凸部
8 回転部
80 回転軸
81 真空シール
82 モータ
83 スリップリング
9 距離測定部
Claims (10)
- 上部壁、底壁、および側壁を有し、内部を真空雰囲気に維持可能な処理容器と、
前記処理容器内に設けられ、基板が載せられるステージであって、前記基板を前記上部壁に対向するように保持するステージと、
前記処理容器の前記底壁を貫通して前記ステージを下方から支持する支持部材と、
前記処理容器の外部に位置する前記支持部材の端部に設けられ、前記処理容器の前記上部壁に対して前記ステージの傾きを変更する傾き変更部と、
前記ステージに対向する前記上部壁の面における測定位置において前記上部壁と前記ステージとの間の距離を測定する距離測定部と、
前記距離測定部によって測定された前記上部壁と前記ステージとの間の距離に基づいて、前記上部壁と前記ステージとが平行になるように前記傾き変更部を制御する制御部と、
前記ステージを回転させる回転部と
を備え、
前記距離測定部は、前記ステージの下方に設けられ、前記測定位置へ向けて光を照射し、照射された光と、前記光の光軸上にある物体から反射して受光された光とに基づいて、前記距離測定部と前記物体との間の距離を測定し、
前記ステージには、貫通孔が形成されている真空処理装置。 - 前記距離測定部は、3箇所以上の前記測定位置のそれぞれに対応して1つずつ設けられており、
前記制御部は、
それぞれの前記距離測定部によって測定された前記上部壁と前記ステージとの間の距離に基づいて、前記上部壁と前記ステージとが平行になるように前記傾き変更部を制御する請求項1に記載の真空処理装置。 - 前記制御部は、
前記ステージの前記貫通孔の位置が、前記光軸に沿って照射される光が前記貫通孔を通過する位置となる角度となるまで前記ステージが回転するように前記回転部を制御した後に、前記距離測定部に、前記距離測定部と前記上部壁との間の第1の距離を測定させ、
前記ステージが前記光軸に沿って照射される光を遮る角度となるまで前記ステージが回転するように前記回転部を制御した後に、前記距離測定部に、前記距離測定部と前記ステージの下面との間の第2の距離を測定させ、
前記第1の距離と前記第2の距離の差に基づいて、前記上部壁と前記ステージとの間の距離を算出する請求項1または2に記載の真空処理装置。 - 前記貫通孔は、前記ステージにおいて前記基板が載せられる領域の外側の領域に形成されている請求項3に記載の真空処理装置。
- 前記距離測定部は、3箇所以上の前記測定位置のそれぞれに1つずつ設けられており、
複数の前記距離測定部は、前記上部壁の面に交差する方向から見た場合に、前記ステージの外周に沿って等間隔に配置されている請求項3または4に記載の真空処理装置。 - 前記貫通孔の数は、前記距離測定部の数と同じであり、
複数の前記貫通孔は、前記ステージの外周に沿って等間隔で配置されている請求項5に記載の真空処理装置。 - 前記処理容器の前記底壁には、前記底壁の変形を吸収するリンク部材を介して板部材が連結されており、
前記傾き変更部は、前記板部材を基準として前記ステージの傾きを変更し、
前記距離測定部は、前記板部材に固定されている請求項1から6のいずれか一項に記載の真空処理装置。 - 前記制御部は、
前記ステージに前記基板が載せられ、前記処理容器内の圧力が前記基板に対する処理で使用される圧力に調整され、前記基板の温度が前記基板に対する処理で使用される温度に調整された後に、前記距離測定部に前記上部壁と前記ステージとの間の距離を測定させる請求項1から7のいずれか一項に記載の真空処理装置。 - 前記制御部は、
前記処理容器内のクリーニングが実行された後に、前記距離測定部にそれぞれの測定位置について前記上部壁と前記ステージとの間の距離を測定させる請求項1から8のいずれか一項に記載の真空処理装置。 - 基板を載せるステージに形成された貫通孔の位置が、前記ステージの下方に設けられた距離測定部から光軸に沿って照射される光が前記貫通孔を通過する位置となる角度となるまで前記ステージを回転させる第1の回転工程と、
前記距離測定部から前記光軸に沿って処理容器の上部壁へ照射された光と、前記距離測定部によって受光された光とに基づいて前記距離測定部と前記上部壁との間の第1の距離を測定する第1の測定工程と、
前記ステージが前記光軸に沿って前記距離測定部から照射される光を遮る角度となるまで前記ステージを回転させる第2の回転工程と、
前記距離測定部から前記光軸に沿って照射された光と、前記距離測定部によって受光された光とに基づいて、前記距離測定部と前記ステージの下面との間の第2の距離を測定する第2の測定工程と、
前記第1の距離と前記第2の距離の差に基づいて、前記上部壁と前記ステージとの間の距離を算出し、算出された距離に基づいて、前記上部壁と前記ステージとが平行になるように前記上部壁に対して前記ステージの傾きを変更する変更工程と
を含む傾き調整方法。
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| JP2021040100A JP7664717B2 (ja) | 2021-03-12 | 2021-03-12 | 真空処理装置および傾き調整方法 |
| US18/549,177 US20240162076A1 (en) | 2021-03-12 | 2022-02-28 | Vacuum processing apparatus and tilt adjustment method |
| KR1020237034057A KR102846377B1 (ko) | 2021-03-12 | 2022-02-28 | 진공 처리 장치 및 기울기 조정 방법 |
| PCT/JP2022/008163 WO2022190921A1 (ja) | 2021-03-12 | 2022-02-28 | 真空処理装置および傾き調整方法 |
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| KR102854023B1 (ko) * | 2023-12-20 | 2025-09-02 | 주식회사 에스지에스코리아 | 웨이퍼 처리 챔버용 내장형 평형도 측정 장치 및 이를 이용한 평형도 조절 방법 |
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| US11499666B2 (en) * | 2018-05-25 | 2022-11-15 | Applied Materials, Inc. | Precision dynamic leveling mechanism with long motion capability |
| US11939665B2 (en) * | 2020-03-10 | 2024-03-26 | Tokyo Electron Limted | Film thickness measuring apparatus and film thickness measuring method, and film forming system and film forming method |
| US12227847B2 (en) * | 2021-03-31 | 2025-02-18 | Applied Materials, Inc. | Level monitoring and active adjustment of a substrate support assembly |
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2021
- 2021-03-12 JP JP2021040100A patent/JP7664717B2/ja active Active
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2022
- 2022-02-28 KR KR1020237034057A patent/KR102846377B1/ko active Active
- 2022-02-28 WO PCT/JP2022/008163 patent/WO2022190921A1/ja not_active Ceased
- 2022-02-28 US US18/549,177 patent/US20240162076A1/en active Pending
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| JP2014098202A (ja) | 2012-11-15 | 2014-05-29 | Tokyo Electron Ltd | 成膜装置 |
| JP2015183211A (ja) | 2014-03-20 | 2015-10-22 | 株式会社日立国際電気 | 基板処理装置、半導体装置の製造方法、プログラム及び記録媒体 |
| US20150376782A1 (en) | 2014-06-27 | 2015-12-31 | Kevin Griffin | Wafer Placement And Gap Control Optimization Through In Situ Feedback |
| US20200105573A1 (en) | 2018-09-28 | 2020-04-02 | Applied Materials, Inc. | Coaxial lift device with dynamic leveling |
| US20200217657A1 (en) | 2019-01-03 | 2020-07-09 | Lam Research Corporation | Distance measurement between gas distribution device and substrate support at high temperatures |
| US20210013085A1 (en) | 2019-07-10 | 2021-01-14 | Asm Ip Holding B.V. | Substrate support assembly and substrate processing device including the same |
Also Published As
| Publication number | Publication date |
|---|---|
| US20240162076A1 (en) | 2024-05-16 |
| WO2022190921A1 (ja) | 2022-09-15 |
| JP2022139625A (ja) | 2022-09-26 |
| KR102846377B1 (ko) | 2025-08-18 |
| KR20230152141A (ko) | 2023-11-02 |
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