JP5793241B1 - 半導体装置の製造方法、基板処理装置、プログラム及び記録媒体 - Google Patents
半導体装置の製造方法、基板処理装置、プログラム及び記録媒体 Download PDFInfo
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Abstract
Description
Claims (19)
- 基板を第1の温度に維持しつつ、前記基板に対して、処理容器に連通する共通ガス供給管に接続された原料ガス供給管から、原料ガスを、前記共通ガス供給管を介して供給する原料ガス供給工程と、
前記基板に対して、前記共通ガス供給管の前記原料ガス供給管が接続された位置より上流側に接続された反応ガス供給管から、反応ガスを、前記共通ガス供給管を介して供給する反応ガス供給工程と、
を順に行う工程を有し、
前記原料ガス供給工程と前記反応ガス供給工程との間に、前記基板に対して、前記反応ガス供給管に接続された第1の不活性ガス供給管から、加熱系により前記第1の温度より高い第2の温度に加熱された第1の不活性ガスを、前記反応ガス供給管及び前記共通ガス供給管を介して供給する第1の不活性ガス供給工程と、
前記反応ガス供給工程の後に、前記基板に対して、前記原料ガス供給管に接続された第2の不活性ガス供給管から、第2の不活性ガスを前記原料ガス供給管及び前記共通ガス供給管を介して供給する第2の不活性ガス供給工程と、
を行う半導体装置の製造方法。 - 前記反応ガス供給工程では、前記基板に対して、前記加熱系により前記第1の温度より高い第3の温度に加熱された前記反応ガスを供給する請求項1記載の半導体装置の製造方法。
- 前記第2の不活性ガス供給工程では、前記基板に対して、前記第3の温度より低い第4の温度に維持した前記第2の不活性ガスを供給する請求項2に記載の半導体装置の製造方法。
- 前記第4の温度は前記第2の温度より低い温度である請求項3に記載の半導体装置の製造方法。
- 前記第2の温度と前記第3の温度は等しい温度である請求項2〜4のいずれかに記載の半導体装置の製造方法。
- 前記第3の温度は、前記反応ガスの熱分解温度以上の温度である請求項2〜5のいずれかに記載の半導体装置の製造方法。
- 前記第1の温度は、前記原料ガスの凝縮温度より高く実質的に熱分解が始まる温度より低い温度である請求項1〜6のいずれかに記載の半導体装置の製造方法。
- 前記原料ガス供給工程、前記第1の不活性ガス供給工程、前記反応ガス供給工程、前記第2の不活性ガス供給工程を順に、複数回繰り返す請求項1〜7のいずれかに記載の半導体装置の製造方法。
- 基板を収容する処理容器と、
前記処理容器内に、反応ガス、原料ガス、第1の不活性ガス、第2の不活性ガスを含む処理ガスを供給するガス供給系と、
を備え、
前記ガス供給系は、
前記処理容器に連通する共通ガス供給管と、
前記反応ガス及び前記第1の不活性ガスを加熱する加熱系と、
前記共通ガス供給管に接続され、前記反応ガスを前記処理容器内に供給する反応ガス供給管と、
前記反応ガス供給管に接続され、前記第1の不活性ガスを前記処理容器内に供給する第1の不活性ガス供給管と、
前記加熱系より下流側で前記共通ガス供給管に接続され、前記原料ガスを前記処理容器内に供給する原料ガス供給管と、
前記原料ガス供給管に接続され、前記第2の不活性ガスを前記処理容器内に供給する第2の不活性ガス供給管と、
を有する基板処理装置を用いて、
前記処理容器内に収容された基板を第1の温度に維持しつつ、前記基板に対して、前記原料ガス供給管から前記共通ガス供給管を介して前記原料ガスを供給する原料ガス供給工程と、
前記基板に対して、前記第1の不活性ガス供給管から、前記加熱系により前記第1の温度より高い第2の温度で加熱された前記第1の不活性ガスを、前記反応ガス供給管及び前記共通ガス供給管を介して供給する前記第1の不活性ガス供給工程と、
前記基板に対して、前記反応ガス供給管から、前記共通ガス供給管を介して前記反応ガスを供給する反応ガス供給工程と、
前記基板に対して、前記第2の不活性ガス供給管から、前記第2の不活性ガスを、前記原料ガス供給管及び前記共通ガス供給管を介して供給する第2の不活性ガス供給工程と、
を順に行う半導体装置の製造方法。 - 基板を収容する処理容器と、
前記処理容器内に、反応ガス、原料ガス、第1の不活性ガス、第2の不活性ガスを含む処理ガスを供給するガス供給系と、
を備え、
前記ガス供給系は、
前記処理容器に連通する共通ガス供給管と、
前記反応ガス及び前記第1の不活性ガスを加熱する加熱系と、
前記共通ガス供給管に接続され、前記反応ガスを前記処理容器内に供給する反応ガス供給管と、
前記反応ガス供給管に接続され、前記第1の不活性ガスを前記処理容器内に供給する第1の不活性ガス供給管と、
前記加熱系より下流側で前記共通ガス供給管に接続され、前記原料ガスを前記処理容器内に供給する原料ガス供給管と、
前記原料ガス供給管に接続され、前記第2の不活性ガスを前記処理容器内に供給する第2の不活性ガス供給管と、
を有する基板処理装置。 - 前記加熱系は、前記反応ガス供給管に設けられた第1の加熱部と、前記共通ガス供給管の少なくとも一部を覆うように設けられる第2の加熱部と、を有する請求項10に記載の基板処理装置。
- 前記ガス供給系は、さらに、前記反応ガス供給管の前記第2の加熱部が設けられた位置に接続され、第3の不活性ガスを供給する第3の不活性ガス供給管を有し、
前記加熱系は、さらに、前記第3の不活性ガス供給管に設けられた第3の加熱部を有する請求項11に記載の基板処理装置。 - 前記第3の加熱部は、前記第3の不活性ガス供給管の少なくとも一部を覆うように設けられる請求項12に記載の基板処理装置。
- 前記ガス供給系は、さらに、前記第3の加熱部の下流で前記第3の不活性ガス供給管に接続され、クリーニングガスを前記処理室内に供給するクリーニングガス供給管を有する請求項13に記載の基板処理装置。
- 前記ガス供給系を制御して、前記加熱系により前記反応ガス供給管を前記共通ガス供給管より高い温度で加熱するよう構成される制御部と、をさらに有する請求項10〜14のいずれかに記載の基板処理装置。
- 前記共通ガス供給管の前記反応ガス供給管との接続部より下流側には、前記共通ガス供給管を加熱する加熱部を設けない請求項15に記載の基板処理装置。
- 前記ガス供給系を制御して、前記処理容器内に収容された基板を第1の温度に維持しつつ、前記基板に対して、前記原料ガス供給管から前記共通ガス供給管を介して前記原料ガスを供給する原料ガス供給処理と、前記基板に対して、前記第1の不活性ガス供給管から、前記加熱系により前記第1の温度より高い第2の温度で加熱された前記第1の不活性ガスを、前記反応ガス供給管及び前記共通ガス供給管を介して供給する前記第1の不活性ガス供給処理と、前記基板に対して、前記反応ガス供給管から、前記共通ガス供給管を介して反応ガスを供給する反応ガス供給処理と、前記基板に対して、前記第2の不活性ガス供給管から、前記第2の不活性ガスを、前記原料ガス供給管及び前記共通ガス供給管を介して供給する第2の不活性ガス供給処理と、を順に行うよう構成される制御部と、
をさらに有する請求項10〜16のいずれかに記載の基板処理装置。 - 基板を第1の温度に維持しつつ、前記基板に対して、処理容器に連通する共通ガス供給管に接続された原料ガス供給管から、原料ガスを、前記共通ガス供給管を介して供給する原料ガス供給手順と、
前記基板に対して、前記共通ガス供給管の前記原料ガス供給管が接続された位置より上流側に接続された反応ガス供給管から、反応ガスを、前記共通ガス供給管を介して供給する反応ガス供給手順と、
を順に行う手順を有し、
前記原料ガス供給手順と前記反応ガス供給手順との間に、前記基板に対して、前記反応ガス供給管に接続された第1の不活性ガス供給管から、加熱系により前記第1の温度より高い第2の温度に加熱された第1の不活性ガスを、前記反応ガス供給管及び前記共通ガス供給管を介して供給する第1の不活性ガス供給手順と、
前記反応ガス供給手順の後に、前記基板に対して、前記原料ガス供給管に接続された第2の不活性ガス供給管から、第2の不活性ガスを前記原料ガス供給管及び前記共通ガス供給管を介して供給する第2の不活性ガス供給手順と、
を順に行うようコンピュータに実行させるプログラム。 - 基板を第1の温度に維持しつつ、前記基板に対して、処理容器に連通する共通ガス供給管に接続された原料ガス供給管から、原料ガスを、前記共通ガス供給管を介して供給する手順と、
前記基板に対して、前記共通ガス供給管の前記原料ガス供給管が接続された位置より上流側に接続された反応ガス供給管から、反応ガスを、前記共通ガス供給管を介して供給する手順と、
を順に行う手順を有し、
前記原料ガス供給手順と前記反応ガス供給手順との間に、前記基板に対して、前記反応ガス供給管に接続された第1の不活性ガス供給管から、加熱系により前記第1の温度より高い第2の温度に加熱された第1の不活性ガスを、前記反応ガス供給管及び前記共通ガス供給管を介して供給する第1の不活性ガス供給手順と、
前記反応ガス供給手順の後に、前記基板に対して、前記原料ガス供給管に接続された第2の不活性ガス供給管から、第2の不活性ガスを前記原料ガス供給管及び前記共通ガス供給管を介して供給する第2の不活性ガス供給手順と、
を順に行うようコンピュータに実行させるプログラムを記録したコンピュータ読み取り可能な記録媒体。
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