JP7254171B2 - 薄型膜処理プロセス - Google Patents
薄型膜処理プロセス Download PDFInfo
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- JP7254171B2 JP7254171B2 JP2021518117A JP2021518117A JP7254171B2 JP 7254171 B2 JP7254171 B2 JP 7254171B2 JP 2021518117 A JP2021518117 A JP 2021518117A JP 2021518117 A JP2021518117 A JP 2021518117A JP 7254171 B2 JP7254171 B2 JP 7254171B2
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- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
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- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/02126—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material containing Si, O, and at least one of H, N, C, F, or other non-metal elements, e.g. SiOC, SiOC:H or SiONC
- H01L21/0214—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material containing Si, O, and at least one of H, N, C, F, or other non-metal elements, e.g. SiOC, SiOC:H or SiONC the material being a silicon oxynitride, e.g. SiON or SiON:H
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Description
Claims (20)
- 半導体装置において膜を改変する方法であって:
基板を350℃と500℃の間の第1の温度に加熱し、基板高周波(RF)バイアスを印加して、プラズマ中に形成されたイオンを前記膜の表面に衝突させながら、前記基板の表面上に配置された前記膜の前記表面を、ヘリウムを含むプロセスガスから形成された前記プラズマに曝露することを含む方法。 - 前記プロセスガスが、酸素ガス(O 2 )、三フッ化窒素ガス(NF 3 )、窒素ガス(N 2 )、アンモニア(NH 3 )、又はそれらの任意の組合せを含む二次ガスをさらに含む、請求項1に記載の方法。
- 半導体装置において膜を改変する方法であって:
基板を150℃と500℃の間の第1の温度に加熱し、基板高周波(RF)バイアスを印加して、プラズマ中に形成されたイオンを前記膜の表面に衝突させながら、前記基板の表面上に配置された前記膜の前記表面を、ヘリウムと二次ガスとを含むプロセスガスから形成された前記プラズマに曝露することを含み、
前記二次ガスが、酸素ガス(O 2 )、三フッ化窒素ガス(NF 3 )、アンモニア(NH 3 )、又はそれらの任意の組合せを含む、方法。 - 前記基板RFバイアスを印加することが、前記プラズマ中に形成された前記イオンの少なくとも一部分に2eVと2,000eVの間のエネルギーを付与する、請求項1から3のいずれか一項に記載の方法。
- 前記プラズマが、処理中の前記膜の前記表面全体に1立方センチメートル(cm-3)当たり1×1010イオンと1×1012イオンの間の平均イオン密度を有する、請求項4に記載の方法。
- 前記プラズマが、ソース電力を印加することによって生成される、請求項1から5のいずれか一項に記載の方法。
- 前記膜が、ケイ素、酸化ケイ素、窒化ケイ素、及び酸窒化ケイ素からなる群から選択される、請求項1から6のいずれか一項に記載の方法。
- 前記膜が、薄膜堆積チャンバで成長させられ;
前記基板上の前記膜の前記表面を曝露することが、処理チャンバ内で実施され;
前記薄膜堆積チャンバ及び前記処理チャンバが、前記薄膜堆積チャンバと前記処理チャンバとの間で前記基板を大気に曝露することなく移送することを可能にするように構成されたクラスタツールに連結される、
請求項1から7のいずれか一項に記載の方法。 - 半導体装置において膜を改変する方法であって:
第1の処理チャンバ内で基板上に前記膜を堆積させること;
前記基板を150と500℃の間の第1の温度に加熱し、第1の高周波(RF)バイアスを印加して、第1のプラズマ中に形成されたイオンを前記膜の表面に衝突させながら、第2の処理チャンバ内で、前記膜の前記表面を、ヘリウムを含む第1のプロセスガスから形成された前記第1のプラズマに曝露すること;及び
前記基板を前記第1の温度とは異なる第2の温度に加熱し、且つ第2のRFバイアスを前記基板に印加しながら、前記膜の前記表面を、ヘリウム及び酸素ガスを含む第2のプロセスガスから形成された第2のプラズマに曝露すること
を含む方法。 - 前記第2のRFバイアスが、前記第2のプラズマ中に生成されたイオンに前記膜の前記表面に衝突するようにエネルギーを付与し、前記イオンが2eVと2,000eVの間の平均イオンエネルギーを有する、請求項9に記載の方法。
- 前記第1のプラズマ及び前記第2のプラズマが、前記膜の前記表面全体に、1立方センチメートル(cm-3)当たり1×1010イオンと1×1012イオンの間の平均イオン密度を有する、請求項10に記載の方法。
- 前記第1のプロセスガスが、三フッ化窒素ガス(NF3)、窒素ガス(N2)、及びアンモニア(NH3)からなる群から選択されるガスをさらに含む、請求項9から11のいずれか一項に記載の方法。
- 前記第2のプロセスガスが、三フッ化窒素ガス(NF3)、窒素ガス(N2)、及びアンモニア(NH3)からなる群から選択される二次プロセスガスをさらに含む、請求項9から12のいずれか一項に記載の方法。
- 原子層堆積によって前記膜を堆積させることをさらに含む、請求項1から8のいずれか一項に記載の方法。
- 前記膜を堆積させることが、前記基板の前記表面を一次前駆体及び二次前駆体に曝露することをさらに含み、前記一次前駆体がケイ素ベースの前駆体であり、前記二次前駆体が水である、請求項14に記載の方法。
- 前記膜を堆積させることが、前記基板の前記表面を一次前駆体及び二次前駆体に曝露することをさらに含み、前記一次前駆体がケイ素ベースの前駆体であり、前記二次前駆体が、窒素ガス(N2)及びアンモニア(NH3)からなる群から選択される、請求項14に記載の方法。
- 前記膜の前記表面を前記第1のプラズマに曝露すること、及び前記膜の前記表面を前記第2のプラズマに曝露することが、少なくとも2回繰り返される、請求項9から13のいずれか一項に記載の方法。
- 前記膜が、ケイ素、酸化ケイ素、窒化ケイ素、及び酸窒化ケイ素からなる群から選択され、前記膜を堆積させることが、原子層堆積によって前記膜を形成することを含む、請求項9から13のいずれか一項に記載の方法。
- 前記膜を堆積させることが、前記基板の前記表面を一次前駆体及び二次前駆体に曝露することをさらに含み、前記一次前駆体がケイ素ベースの前駆体であり、前記二次前駆体が水である、請求項18に記載の方法。
- 前記膜を堆積させることが、前記基板の前記表面を一次前駆体及び二次前駆体に曝露することをさらに含み、前記一次前駆体がケイ素ベースの前駆体であり、前記二次前駆体が、窒素ガス(N2)及びアンモニア(NH3)からなる群から選択される、請求項18に記載の方法。
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Application Number | Priority Date | Filing Date | Title |
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JP2023050737A JP7498823B2 (ja) | 2018-10-04 | 2023-03-28 | 薄型膜処理プロセス |
JP2024088973A JP2024133460A (ja) | 2018-10-04 | 2024-05-31 | 薄型膜処理プロセス |
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US16/152,395 US10971357B2 (en) | 2018-10-04 | 2018-10-04 | Thin film treatment process |
US16/152,395 | 2018-10-04 | ||
PCT/US2019/051789 WO2020072203A2 (en) | 2018-10-04 | 2019-09-18 | A thin film treatment process |
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JP7222946B2 (ja) * | 2020-03-24 | 2023-02-15 | 株式会社Kokusai Electric | 半導体装置の製造方法、基板処理装置、およびプログラム |
CN112376024B (zh) * | 2020-10-26 | 2022-08-16 | 北京北方华创微电子装备有限公司 | 一种氧化物薄膜的制备方法 |
US20220364230A1 (en) * | 2021-05-12 | 2022-11-17 | Applied Materials, Inc. | Pulsing plasma treatment for film densification |
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JP2003239071A (ja) | 2002-02-14 | 2003-08-27 | Mitsubishi Heavy Ind Ltd | プラズマcvd成膜方法及び装置 |
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US20130217241A1 (en) | 2011-09-09 | 2013-08-22 | Applied Materials, Inc. | Treatments for decreasing etch rates after flowable deposition of silicon-carbon-and-nitrogen-containing layers |
JP2016066794A (ja) | 2014-09-24 | 2016-04-28 | ラム リサーチ コーポレーションLam Research Corporation | Aldにより形成される窒化シリコン膜の表面形状内ウェットエッチング速度を均一に低下させるための方法及び装置 |
JP2017092265A (ja) | 2015-11-11 | 2017-05-25 | 東京エレクトロン株式会社 | プラズマ処理方法及びプラズマ処理装置 |
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KR20230079246A (ko) | 2023-06-05 |
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JP2022504091A (ja) | 2022-01-13 |
WO2020072203A3 (en) | 2020-05-14 |
JP2023098896A (ja) | 2023-07-11 |
US20200111659A1 (en) | 2020-04-09 |
TW202333237A (zh) | 2023-08-16 |
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JP2024133460A (ja) | 2024-10-02 |
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