JP6912497B2 - 基板処理装置、天井ヒータおよび半導体装置の製造方法 - Google Patents
基板処理装置、天井ヒータおよび半導体装置の製造方法 Download PDFInfo
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- 238000000034 method Methods 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 5
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- 235000012431 wafers Nutrition 0.000 description 70
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
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Description
Claims (11)
- 複数枚の基板を縦方向に並べて内部に収容する反応管と、
前記反応管の側方から前記反応管内を加熱する第1ヒータと、
発熱体と給電部との接続端部が、前記接続端部を起点として、複数の折り返し点で折り返しつつ、同心円状に一定間隔を空けて蛇行するように形成される中心部と該中心部の最外郭の折り返し箇所と隣り合わない位置を含む外周部の両方に形成され、前記中心部と前記外周部の2分割に構成され、前記反応管の上方から前記反応管内を加熱すると共に、前記発熱体の外径は前記基板の直径以上に構成されており、前記第1ヒータで加熱した際の前記反応管内の上方に収容された前記基板の低温部に対応する領域における発熱量を、前記基板の高温部に対応する領域における発熱量よりも大きくするよう、前記中心部と前記外周部を個別に制御可能に構成される第2ヒータと、
を備えた基板処理装置。 - 前記基板の前記低温部に対応する領域の前記第2ヒータの電流密度を前記基板の前記高温部に対応する領域の電流密度よりも高くするよう、前記中心部と前記外周部を個別に制御可能に構成される請求項1に記載の基板処理装置。
- 前記基板の前記低温部に対応する領域は前記第2ヒータの前記中心部に対応する領域であり、前記基板の前記高温部に対応する領域は前記第2ヒータの前記外周部に対応する領域である請求項1に記載の基板処理装置。
- 前記第2ヒータの発熱体の線幅は、前記中心部よりも前記外周部の方が広くなるように形成されている請求項3に記載の基板処理装置。
- 前記中心部の前記発熱体間の距離よりも前記外周部の前記発熱体間の間隔の方が広くなるように形成されている請求項4に記載の基板処理装置。
- 前記第2ヒータの前記外周部の接続端部が、前記第2ヒータの外周部の最内周の位置に配置される請求項1記載の基板処理装置。
- 前記第1ヒータの温度を検出する第1検出部と、前記第2ヒータの温度を検出する第2検出部と、前記第1検出部および前記第2検出部の検出値に基づき前記第1ヒータおよび前記第2ヒータを制御するよう構成される制御部と、をさらに有する請求項1に記載の基板処理装置。
- 前記制御部は、前記第2ヒータの前記中心部と前記外周部に印可する電力、または、前記第2ヒータの前記中心部と前記外周部のそれぞれの発熱量を異ならせるよう制御可能に構成される請求項7記載の基板処理装置。
- 前記制御部は、前記第2ヒータを制御することにより、前記基板の中央部の温度を前記基板の周辺部の温度に合わせることが可能なように構成される請求項8記載の基板処理装置。
- 複数枚の基板を縦方向に並べて内部に収容する反応管の側方から前記反応管内を加熱する側部ヒータを備える基板処理装置の前記反応管の上方に中心部と外周部の2分割で設置される天井ヒータであって、
発熱体と給電部との接続端部が、該接続端部を起点として、複数の折り返し点で折り返しつつ、同心円状に一定間隔を空けて蛇行するように形成される前記中心部と該中心部の最外郭の折り返し箇所と隣り合わない位置を含む前記外周部の両方に形成され、前記天井ヒータの直径は前記基板の直径以上に構成されており、前記側部ヒータで加熱した際の前記反応管内の上方に収容された前記基板の低温部に対応する領域における発熱量を前記基板の高温部に対応する領域における発熱量よりも大きくするよう、前記中心部と前記外周部を個別に制御可能に構成される天井ヒータ。 - 複数枚の基板を反応管内に搬入する工程と、前記反応管の側方に設置された第1ヒータと前記反応管の上方に中心部と外周部の2分割で設置された第2ヒータとにより、前記反応管内の前記基板を加熱する工程と、前記反応管内に処理ガスを供給し、前記基板を処理する工程と、を有し、前記第2ヒータは、発熱体と給電部との接続端部が、該接続端部を起点として、複数の折り返し点で折り返しつつ、同心円状に一定間隔を空けて蛇行するように形成される前記中心部と該中心部の最外郭の折り返し箇所と隣り合わない位置を含む前記外周部の両方に形成され、前記第2ヒータの直径は前記基板の直径以上に構成されており、前記第1ヒータで加熱した際の前記反応管内の上方に収容された前記基板の低温部に対応する領域における前記第2ヒータの発熱量を前記基板の高温部に対応する領域における発熱量よりも大きくするよう、前記中心部と前記外周部を個別に制御可能に構成される半導体装置の製造方法。
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JP1684469S (ja) * | 2020-09-24 | 2021-05-10 | 基板処理装置用天井ヒータ | |
KR20230053689A (ko) * | 2020-09-30 | 2023-04-21 | 가부시키가이샤 코쿠사이 엘렉트릭 | 기판 처리 장치, 온도 제어 프로그램, 반도체 장치의 제조 방법 및 온도 제어 방법 |
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KR20190070978A (ko) | 2019-06-21 |
JPWO2018100850A1 (ja) | 2019-10-17 |
US20190284696A1 (en) | 2019-09-19 |
WO2018100850A1 (ja) | 2018-06-07 |
KR102384004B1 (ko) | 2022-04-06 |
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