JP2020188155A - 基板処理装置及び監視方法 - Google Patents
基板処理装置及び監視方法 Download PDFInfo
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- 238000012545 processing Methods 0.000 title claims abstract description 63
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- 238000000034 method Methods 0.000 title claims description 56
- 238000012544 monitoring process Methods 0.000 title claims description 16
- 230000003287 optical effect Effects 0.000 claims abstract description 11
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- 238000006073 displacement reaction Methods 0.000 claims description 83
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- 230000008569 process Effects 0.000 claims description 50
- 239000007789 gas Substances 0.000 description 206
- 235000012431 wafers Nutrition 0.000 description 104
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
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- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
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- 239000002052 molecular layer Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- -1 for example Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
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- 239000004065 semiconductor Substances 0.000 description 1
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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Abstract
Description
一実施形態の基板処理装置について説明する。基板処理装置は、回転テーブルを回転させながら基板の処理を行う装置であれば、種々の基板処理装置が適用可能であるが、以下では、基板処理装置が成膜装置として構成された例を挙げて説明する。
次に、シャワーヘッド30の傾きを取得する処理(以下「傾き取得処理」という。)について説明する。傾き取得処理は、制御部100が、例えば使用者による傾き取得処理を開始する操作を受け付けた場合に実行される。図9は、傾き取得処理の一例を示すフローチャートである。図10は、傾き取得処理における高さ計測位置の一例を示す図である。
次に、ギャップを測定する処理(以下「ギャップ測定処理」という。)について説明する。ギャップ測定処理は、例えば回転テーブル2を間欠的に低速回転させ、各凹部24にウエハWを載置する際や、回転テーブル2の各凹部24にウエハWを載置させた状態でウエハWに対して成膜処理を実行している期間に実行される。
次に、ウエハWの反りを監視する処理(以下「反り監視処理」という。)について説明する。反り監視処理は、回転テーブル2の凹部24にウエハWが載置されている状態であれば任意の期間に実行可能である。図15は、反り監視処理の一例を示すフローチャートである。
30 シャワーヘッド
31 底面板
31c 段部
100 制御部
110a、110b レーザ変位計
111a、111b 投光部
112a、112b 受光部
120 演算部
Claims (10)
- 上面に基板を載置する載置部と、
前記載置部の上方に前記載置部と対向して設けられた構造物と、
前記構造物の上方から前記載置部の所定位置、前記構造物の所定位置及び前記基板に光を照射して前記載置部、前記構造物及び前記基板からの反射光を受光することにより、前記載置部の高さ位置、前記構造物の高さ位置及び前記基板の高さ位置を検出する光学センサと、
を備える、
基板処理装置。 - 前記光学センサは、二次元レーザ変位計である、
請求項1に記載の基板処理装置。 - 前記構造物の所定位置は、前記構造物の周縁であり、
前記構造物の周縁には、段部が形成されている、
請求項1又は2に記載の基板処理装置。 - 前記構造物は、前記基板にガスを供給するシャワーヘッドである、
請求項1乃至3のいずれか一項に記載の基板処理装置。 - 前記載置部は、周方向に沿って設けられ、上面に基板を載置する複数の基板載置領域を有する回転テーブルである、
請求項1乃至4のいずれか一項に記載の基板処理装置。 - 前記光学センサは、前記回転テーブルの半径方向に沿って複数設けられている、
請求項5に記載の基板処理装置。 - 前記光学センサにより第1の光量で光を照射しながら前記回転テーブルを回転させた後、前記光学センサにより前記第1の光量と異なる第2の光量で光を照射しながら前記回転テーブルを回転させるように前記回転テーブルの動作を制御する制御部を更に備える、
請求項5又は6に記載の基板処理装置。 - 前記載置部の高さ位置及び前記構造物の高さ位置に基づいて、前記載置部と前記構造物との間の距離を算出する演算部を更に備える、
請求項1乃至7のいずれか一項に記載の基板処理装置。 - 前記載置部及び前記構造物からの反射光は拡散反射光であり、
前記基板からの反射光は正反射光である、
請求項1乃至8のいずれか一項に記載の基板処理装置。 - 処理室内に設けられ、周方向に沿って基板載置領域を有する回転テーブルの上面に基板を載置する工程と、
光学センサにより第1の光量で光を照射しながら前記回転テーブルを回転させ、前記回転テーブル及び前記回転テーブルの上方に前記回転テーブルと対向して設けられたシャワーヘッドからの反射光を受光することにより、前記回転テーブルの高さ位置と前記シャワーヘッドの高さ位置とを同時に検出する工程と、
前記光学センサにより前記第1の光量よりも小さい第2の光量で光を照射しながら前記回転テーブルを回転させ、前記回転テーブルの上面に載置された前記基板からの反射光を受光することにより、前記基板の高さ位置を検出する工程と、
を有する、
監視方法。
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JP2019092353A JP7246247B2 (ja) | 2019-05-15 | 2019-05-15 | 基板処理装置及び監視方法 |
US16/868,843 US11765879B2 (en) | 2019-05-15 | 2020-05-07 | Substrate processing apparatus and monitoring method |
KR1020200054876A KR102659960B1 (ko) | 2019-05-15 | 2020-05-08 | 기판 처리 장치 및 감시 방법 |
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