JP2023003410A - 基板処理装置及び基板処理方法 - Google Patents
基板処理装置及び基板処理方法 Download PDFInfo
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Abstract
Description
200 支持ユニット
300 プラズマソース
400 ガス供給ユニット
500 ヒーティングソース
1000 基板処理装置
Claims (20)
- 処理空間を提供するチャンバと、
前記処理空間で基板を支持する支持ユニットと、
前記処理空間にガスを導入するガス供給ユニットと、
前記処理空間に導入されたガスをプラズマで励起するエネルギーを提供するプラズマソースと、
前記処理空間内部の雰囲気を前記処理空間の外部に排気する排気ユニットと、及び
前記支持ユニットより上部に配置されるヒーティングソースを含み、
前記ヒーティングソースは、
前記基板に対してヒーティングエネルギーをパルス形態で印加することを特徴とする基板処理装置。 - 前記パルスのパルス幅はピコ秒(ps)乃至ミリ秒(ms)であることを特徴とする請求項1に記載の基板処理装置。
- 前記ヒーティングソースは10ミリ秒内の時間の間に前記パルスを数回乃至数百万回印加することを特徴とする請求項1に記載の基板処理装置。
- 前記ヒーティングエネルギーは基板を400℃以上に加熱するものであることを特徴とする請求項1に記載の基板処理装置。
- 前記ヒーティングエネルギーは前記基板に対して10mJ/cm2以上のエネルギーを印加するものであることを特徴とする請求項1に記載の基板処理装置。
- 前記ヒーティングエネルギーは前記基板に対して10mJ/cm2乃至100mJ/cm2のエネルギーを印加するものであることを特徴とする請求項1に記載の基板処理装置。
- 前記ヒーティングソースはフラッシュランプ、レーザー光学系またはマイクロウェーブ発生器であることを特徴とする請求項1に記載の基板処理装置。
- 前記支持ユニットは、
冷却流体が流れる流路が形成された板を含むことを特徴とする請求項1に記載の基板処理装置。 - 前記プラズマソースは、
光またはマイクロ波透過性第1プレートと前記第1プレートに積層された透明導電膜を含む上部電極と、
前記基板より下に提供される下部電極と、及び
前記上部電極及び前記下部電極のうちで何れか一つ以上に高周波電力を印加する高周波電源を含み、
前記ヒーティングソースは前記上部電極の上部に提供されることを特徴とする請求項1に記載の基板処理装置。 - 制御機をさらに含み、
前記制御機は、
前記ガス供給ユニットを制御して前記処理空間に第1工程ガスを導入し、前記プラズマソースを制御して導入された前記第1工程ガスをプラズマで励起して前記基板を処理する第1段階と、
前記ガス供給ユニットを制御して前記処理空間にファジーガスを導入し、前記排気ユニットを制御して前記処理空間を排気する第2段階と、
前記ガス供給ユニットを制御して前記処理空間に第2工程ガスを導入し、前記プラズマソースを制御して導入された前記第2工程ガスをプラズマで励起し、前記ヒーティングソースを制御して前記ヒーティングエネルギーをパルスで印加して前記基板を処理する第3段階と、及び
前記ガス供給ユニットを制御して前記処理空間に前記ファジーガスを導入し、前記排気ユニットを制御して前記処理空間を排気する第4段階と、を行うが、
前記第1段階乃至前記第4段階を順次に複数回反復するように制御することを特徴とする請求項1に記載の基板処理装置。 - 前記支持ユニットは、
冷却流体が流れる流路が形成された板を含み、
前記制御機は、
前記第3段階で、前記板の前記流路に前記冷却流体が流れるように制御することを特徴とする請求項10に記載の基板処理装置。 - 処理空間に第1工程ガスを導入し、導入された第1工程ガスをプラズマで励起して基板を処理する第1段階と、
前記処理空間にファジーガスを導入し、前記処理空間を排気する第2段階と、
前記処理空間に第2工程ガスを導入し、導入された前記第2工程ガスをプラズマで励起し、ヒーティングエネルギーをパルスで印加する第3段階と、及び
前記処理空間に前記ファジーガスを印加し、前記処理空間を排気する第4段階と、を含み、
前記第1段階乃至前記第4段階を順次に複数回反復することを特徴とする基板処理方法。 - 前記パルスのパルス幅はピコ秒(ps)乃至ミリ秒(ms)であることを特徴とする請求項12に記載の基板処理方法。
- 前記ヒーティングエネルギーは10ミリ秒内の時間の間に前記パルスを数回乃至数百万回印加することを特徴とする請求項12に記載の基板処理方法。
- 前記ヒーティングエネルギーは基板を400℃以上に加熱するものであることを特徴とする請求項12に記載の基板処理方法。
- 前記ヒーティングエネルギーは前記基板に対して10mJ/cm2以上のエネルギーを印加するものであることを特徴とする請求項12に記載の基板処理方法。
- 前記ヒーティングエネルギーは前記基板に対して10mJ/cm2乃至100mJ/cm2のエネルギーを印加するものであることを特徴とする請求項12に記載の基板処理方法。
- 前記第3段階で、前記基板の底面を冷却することを特徴とする請求項12に記載の基板処理装置。
- 前記支持ユニットは、
前記基板を支持するチャックと、
前記基板を冷却する冷却板を含み、
前記ヒーティングソースは、
前記基板を表面で200μm以下の深さで加熱し、
前記冷却板は前記基板の底面を冷却することを特徴とする請求項1に記載の基板処理装置。 - 処理空間を提供するチャンバと、
前記処理空間で基板を支持し、冷却流体が流れる流路が形成された板を含む支持ユニットと、
前記処理空間にガスを導入するガス供給ユニットと、
前記処理空間に導入されたガスをプラズマで励起するエネルギーを提供するプラズマソースと、
前記処理空間内部の雰囲気を前記処理空間の外部に排気する排気ユニットと、及び
前記支持ユニットより上部に配置され、フラッシュランプ、レーザー光学系またはマイクロウェーブ発生器のうちで何れか一つに提供されるヒーティングソースを含み、
前記プラズマソースは、
光またはマイクロ波透過性第1プレートと前記第1プレートに積層された透明導電膜を含む上部電極と、
前記基板より下に提供される下部電極と、及び
前記上部電極及び前記下部電極のうちで何れか一つ以上に高周波電力を印加する高周波電源を含み、
前記ヒーティングソースは、
前記上部電極の上部に提供され、
前記基板に対して10mJ/cm2乃至100mJ/cm2のエネルギーを印加するヒーティングエネルギーをパルス形態で印加するが、1ミリ秒内の時間の間に前記パルスを数回乃至数百回印加することを特徴とする基板処理装置。
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KR10-2021-0081501 | 2021-06-23 | ||
KR1020210081501A KR20230000480A (ko) | 2021-06-23 | 2021-06-23 | 기판 처리 장치 및 기판 처리 방법 |
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JP2023158445A (ja) * | 2022-04-18 | 2023-10-30 | セメス カンパニー,リミテッド | 基板処理装置 |
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JPH08250488A (ja) * | 1995-01-13 | 1996-09-27 | Seiko Epson Corp | プラズマ処理装置及びその方法 |
US20180218915A1 (en) * | 2017-01-27 | 2018-08-02 | Lam Research Corporation | Isotropic etching of film with atomic layer control |
WO2019217180A1 (en) * | 2018-05-08 | 2019-11-14 | Lam Research Corporation | Atomic layer etch and deposition processing systems including a lens circuit with a tele-centric lens, an optical beam folding assembly, or a polygon scanner |
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US8633115B2 (en) * | 2011-11-30 | 2014-01-21 | Applied Materials, Inc. | Methods for atomic layer etching |
US9909197B2 (en) * | 2014-12-22 | 2018-03-06 | Semes Co., Ltd. | Supporting unit and substrate treating apparatus including the same |
WO2019226341A1 (en) * | 2018-05-25 | 2019-11-28 | Lam Research Corporation | Thermal atomic layer etch with rapid temperature cycling |
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Publication number | Priority date | Publication date | Assignee | Title |
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JPH08250488A (ja) * | 1995-01-13 | 1996-09-27 | Seiko Epson Corp | プラズマ処理装置及びその方法 |
US20180218915A1 (en) * | 2017-01-27 | 2018-08-02 | Lam Research Corporation | Isotropic etching of film with atomic layer control |
WO2019217180A1 (en) * | 2018-05-08 | 2019-11-14 | Lam Research Corporation | Atomic layer etch and deposition processing systems including a lens circuit with a tele-centric lens, an optical beam folding assembly, or a polygon scanner |
Cited By (2)
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---|---|---|---|---|
JP2023158445A (ja) * | 2022-04-18 | 2023-10-30 | セメス カンパニー,リミテッド | 基板処理装置 |
JP7389845B2 (ja) | 2022-04-18 | 2023-11-30 | セメス カンパニー,リミテッド | 基板処理装置 |
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CN115513031A (zh) | 2022-12-23 |
KR20230000480A (ko) | 2023-01-02 |
JP7498743B2 (ja) | 2024-06-12 |
US20220415626A1 (en) | 2022-12-29 |
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