JP2023541831A - 単一のチャンバ流動性膜の形成及び処理 - Google Patents
単一のチャンバ流動性膜の形成及び処理 Download PDFInfo
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Abstract
Description
[0001]本出願は、2020年9月8日に出願された「単一のチャンバ流動性膜の形成及び処理(SINGLE CHAMBER FLOWABLE FILM FORMATION AND TREATMENTS)」という名称の米国特許出願第17/014,224号の利益及び優先権を主張し、その全体が参照により本明細書に組み込まれている。
Claims (20)
- ケイ素含有前駆体のプラズマを形成することと、
前記ケイ素含有前駆体のプラズマ放出物を用いて半導体基板上に流動性膜を堆積させることであって、前記半導体基板は半導体処理チャンバの処理領域内に収容され、前記半導体基板は前記半導体基板内にフィーチャを画定し、前記処理領域は、面板と、前記半導体基板が載置される基板支持体との間に少なくとも部分的に画定される、流動性膜を堆積させることと、
前記半導体処理チャンバの前記処理領域内部に処理プラズマを形成することであって、前記処理プラズマは第1の電源から第1の電力レベルで形成され、第2の電源から前記基板支持体に第2の電力レベルが印加される、処理プラズマを形成することと、
前記処理プラズマのプラズマ放出物を用いて、前記半導体基板内部に画定された前記フィーチャ内部の前記流動性膜を高密度化することと
を含む、処理方法。 - 前記半導体チャンバは半導体処理システムの一部であり、該半導体処理システムは、
チャンバ本体と、
半導体基板を支持するように構成されたペデスタルと、
面板であって、前記チャンバ本体、前記ペデスタル、及び前記面板が前記処理領域を画定する、面板と、
前記面板と接続された高周波プラズマ源であって、前記第1の電源である、高周波プラズマ源と、
前記ペデスタルと接続された低周波プラズマ源であって、前記第2の電源である、低周波プラズマ源と
を備える、請求項1に記載の処理方法。 - 前記ペデスタルと接続され、且つ前記ペデスタルを通して前記高周波プラズマ源を実質的に接地するように構成された第1のL-Cフィルタと、
前記面板と接続され、且つ前記低周波プラズマ源を前記チャンバ本体に実質的に接地するように構成された第2のL-Cフィルタと
を更に備える、請求項2に記載の処理方法。 - 前記第2の電源は、約1kHz以下のパルス周波数のパルスモードで動作する、請求項1に記載の処理方法。
- 前記第1の電源が前記処理プラズマ中に連続波モードで動作する一方で、前記第2の電源は前記パルスモードで動作する、請求項4に記載の処理方法。
- 前記第2の電源は、約50%以下のデューティサイクルで動作する、請求項4に記載の処理方法。
- 前記第1の電源は、前記堆積中の第1の期間内に電力スパイクを発生させるように動作する、請求項1に記載の処理方法。
- 前記第1の期間に続いて、前記第1の電源は、前記堆積中の第2の期間にわたって動作する、請求項7に記載の処理方法。
- 前記第1の期間は約1秒以下であり、前記第2の期間は約1秒以上である、請求項8に記載の処理方法。
- 前記第1の電源は、約20%以下のデューティサイクルにおいて、約200kHz以下のパルス周波数で動作し、約10W以下の有効プラズマ出力を生成する、請求項9に記載の処理方法。
- 前記方法が第2のサイクルで繰り返される、請求項1に記載の処理方法。
- 前記方法の間、前記半導体基板の温度が約0℃以下の温度に維持される、請求項1に記載の処理方法。
- チャンバ本体と、
半導体基板を支持するように構成されたペデスタルと、
面板であって、前記チャンバ本体、前記ペデスタル、及び前記面板が処理領域を画定する、面板と、
前記面板と接続された高周波プラズマ源と、
前記ペデスタルに接続された低周波プラズマ源と
を備える、半導体処理システム。 - 前記ペデスタルは静電チャックを備え、前記半導体処理システムは、
前記ペデスタルと接続されたDC電源
を更に備える、請求項13に記載の半導体処理システム。 - 前記低周波プラズマ源は、約2MHz未満で動作するように構成される、請求項13に記載の半導体処理システム。
- 前記高周波プラズマ源は、約200kHz以下のパルス周波数において、約13.56MHz以上で動作するように構成される、請求項13に記載の半導体処理システム。
- 前記高周波プラズマ源は、約20%以下のデューティサイクルにおいて、約20kHz以下のパルス周波数で動作するように構成される、請求項16に記載の半導体処理システム。
- 前記高周波プラズマ源は、約5W以下の有効電力でプラズマを生成するように構成される、請求項17に記載の半導体処理システム。
- 前記ペデスタルに接続され、且つ前記ペデスタルを通して前記高周波プラズマ源を実質的に接地するように構成された第1のL-Cフィルタ
を更に備える、請求項13に記載の半導体処理システム。 - 前記面板と接続され、且つ前記低周波プラズマ源を前記チャンバ本体に実質的に接地するように構成された第2のL-Cフィルタ
を更に備える、請求項19に記載の半導体処理システム。
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US17/014,224 US20220076922A1 (en) | 2020-09-08 | 2020-09-08 | Single chamber flowable film formation and treatments |
US17/014,224 | 2020-09-08 | ||
PCT/US2021/048125 WO2022055730A1 (en) | 2020-09-08 | 2021-08-30 | Single chamber flowable film formation and treatments |
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US (1) | US20220076922A1 (ja) |
JP (1) | JP2023541831A (ja) |
KR (1) | KR20230062640A (ja) |
CN (1) | CN116391248A (ja) |
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WO (1) | WO2022055730A1 (ja) |
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US7214630B1 (en) * | 2005-05-06 | 2007-05-08 | Novellus Systems, Inc. | PMOS transistor with compressive dielectric capping layer |
US8889566B2 (en) * | 2012-09-11 | 2014-11-18 | Applied Materials, Inc. | Low cost flowable dielectric films |
US9157730B2 (en) * | 2012-10-26 | 2015-10-13 | Applied Materials, Inc. | PECVD process |
US9741584B1 (en) * | 2016-05-05 | 2017-08-22 | Lam Research Corporation | Densification of dielectric film using inductively coupled high density plasma |
JP6937644B2 (ja) * | 2017-09-26 | 2021-09-22 | 東京エレクトロン株式会社 | プラズマ処理装置及びプラズマ処理方法 |
CN112219261A (zh) * | 2018-04-03 | 2021-01-12 | 应用材料公司 | 利用h2等离子体的可流动膜固化 |
US11615966B2 (en) * | 2020-07-19 | 2023-03-28 | Applied Materials, Inc. | Flowable film formation and treatments |
US11887811B2 (en) * | 2020-09-08 | 2024-01-30 | Applied Materials, Inc. | Semiconductor processing chambers for deposition and etch |
US11699571B2 (en) * | 2020-09-08 | 2023-07-11 | Applied Materials, Inc. | Semiconductor processing chambers for deposition and etch |
US20220130713A1 (en) * | 2020-10-23 | 2022-04-28 | Applied Materials, Inc. | Semiconductor processing chamber to accommodate parasitic plasma formation |
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- 2020-09-08 US US17/014,224 patent/US20220076922A1/en active Pending
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