JP7531981B2 - 領域選択的堆積における横方向のフィルム成長を緩和するための方法 - Google Patents
領域選択的堆積における横方向のフィルム成長を緩和するための方法 Download PDFInfo
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Description
本出願は、2019年7月18日に出願された米国仮特許出願第62/875,882号明細書に関連し、且つそれに対する優先権を主張するものであり、その内容全体が参照により本明細書に援用される。
Claims (24)
- 第1のフィルム、第2のフィルム及び第3のフィルムを含む基板を提供する工程であって、前記第1のフィルム、前記第2のフィルム及び前記第3のフィルムは異なる化学組成を有する、工程と、
前記第1のフィルム上に第1のブロック層を形成する工程と、
前記第2のフィルム上に第2のブロック層を形成する工程であって、前記第2のブロック層は、前記第1のブロック層と異なり、前記第1のブロック層及び前記第2のブロック層は自己組織化単分子層(SAM)を含む、工程と、
前記第3のフィルム上に材料フィルムを選択的に形成する工程と
を含む基板処理方法。 - 前記第1のフィルム、前記第2のフィルム及び前記第3のフィルムは、金属フィルム、金属含有ライナー及び誘電性フィルムからなる群から選択される、請求項1に記載の方法。
- 前記金属含有ライナーは、金属化合物又は前記金属フィルムと異なる第2の金属フィルムを含む、請求項2に記載の方法。
- 前記金属化合物は、TiN、TaN、MnO2又はAl2O3を含み、及び前記第2の金属フィルムは、Co又はRuを含む、請求項3に記載の方法。
- 前記金属フィルムは、Cu、Al、Ta、Ti、W、Ru、Co、Ni、Pt又はMoを含む、請求項2に記載の方法。
- 前記誘電性フィルムは、SiO2、Al2O3、HfO2、TiO2、ZrO2、SiN、SiCN、SiCOH又はこれらの組み合わせを含む、請求項2に記載の方法。
- 前記SAMは、チオール、シラン、カルボキシレート又はホスホネートを含む、請求項1に記載の方法。
- 前記材料フィルムは、SiO2、金属、金属酸化物又は金属窒化物を含む、請求項1に記載の方法。
- 前記金属酸化物は、HfO2、ZrO2又はAl2O3を含有し、及び前記金属窒化物は、HfN、ZrN又はAlNを含有する、請求項8に記載の方法。
- 第1のフィルム、第2のフィルム及び第3のフィルムを含む基板を提供する工程であって、前記第1のフィルム、前記第2のフィルム及び前記第3のフィルムは異なる化学組成を有する、工程と、
前記第1のフィルム上に第1のブロック層を形成する工程と、
前記第2のフィルム上に第2のブロック層を形成する工程であって、前記第2のブロック層は、前記第1のブロック層と異なる、工程と、
前記第3のフィルム上に材料フィルムを選択的に形成する工程であって、
前記第3のフィルム上に前記材料フィルムを選択的に形成する前記工程は、
前記第3のフィルム上に前記材料フィルムを堆積させる工程と、
前記第1のフィルム、前記第2のフィルム又は前記第1のフィルムと前記第2のフィルムとの両方の上に材料フィルム核を堆積させる工程と、
エッチングにより、前記材料フィルム核を除去する工程と、を含む工程と
を含む基板処理方法。 - 金属フィルムを含む基板、前記金属フィルムを取り囲む金属含有ライナー及び前記金属含有ライナーを取り囲む誘電性フィルムを提供する工程と、
前記金属フィルム上において、第1の自己組織化単分子層(第1のSAM)を含む第1のブロック層を形成する工程と、
前記金属含有ライナー上において、第2の自己組織化単分子層(第2のSAM)を含む第2のブロック層を形成する工程であって、前記第2のSAMは、前記第1のSAMと異なる、工程と、
前記誘電性フィルム上に材料フィルムを選択的に形成する工程と
を含む基板処理方法。 - 前記金属含有ライナーは、金属化合物又は前記金属フィルムと異なる第2の金属フィルムを含む、請求項11に記載の方法。
- 前記金属化合物は、TiN、TaN、MnO2又はAl2O3を含み、及び前記第2の金属フィルムは、Co又はRuを含む、請求項12に記載の方法。
- 前記金属フィルムは、Cu、Al、Ta、Ti、W、Ru、Co、Ni、Pt又はMoを含む、請求項11に記載の方法。
- 前記誘電性フィルムは、SiO2、Al2O3、HfO2、TiO2、ZrO2、SiN、SiCN、SiCOH又はこれらの組み合わせを含む、請求項11に記載の方法。
- 前記第1のSAMは、チオールを含み、及び前記第2のSAMは、ホスホネートを含む、請求項11に記載の方法。
- 前記材料フィルムは、SiO2、金属、金属酸化物又は金属窒化物を含む、請求項11に記載の方法。
- 前記誘電性フィルム上に前記材料フィルムを選択的に形成する前記工程は、
前記誘電性フィルム上に前記材料フィルムを堆積させる工程と、
前記金属フィルム、前記金属含有ライナー又は前記金属フィルムと前記金属含有ライナーとの両方の上に材料フィルム核を堆積させる工程と、
エッチングにより、前記材料フィルム核を除去する工程と
を含む、請求項11に記載の方法。 - 金属フィルムと、金属化合物を含有し且つ前記金属フィルムを取り囲む金属含有ライナーと、前記金属含有ライナーを取り囲む誘電性フィルムとを含む基板を提供する工程と、
前記金属フィルム上において、第1の自己組織化単分子層(第1のSAM)を含む第1のブロック層を形成する工程と、
前記金属含有ライナー上において、第2の自己組織化単分子層(第2のSAM)を含む第2のブロック層を形成する工程と、
前記誘電性フィルム上において、材料フィルムを選択的に形成する工程であって、
前記誘電性フィルム上に前記材料フィルムを堆積させることと、
前記金属フィルム、前記金属含有ライナー又は前記金属フィルムと前記金属含有ライナーフィルムとの両方の上に材料フィルム核を堆積させることと、
エッチングにより、前記材料フィルム核を除去することと
により、選択的に形成する工程と
を含む基板処理方法。 - 前記第1のSAMは、チオールを含み、及び前記第2のSAMは、ホスホネートを含む、請求項19に記載の方法。
- 前記第2のSAMは、ホスホネート又はカルボキシレートを含む、請求項19に記載の方法。
- 前記第2のSAMを形成する工程は、前記第1のSAMを高密度化する、請求項19に記載の方法。
- 前記第1のフィルム、前記第2のフィルム及び前記第3のフィルムは、金属フィルム、金属含有ライナー及び誘電性フィルムからなる群から選択される、請求項10記載の方法。
- 前記材料フィルムはSiO 2 、金属、金属酸化物又は金属窒化物を含む、請求項10記載の方法。
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US201962875882P | 2019-07-18 | 2019-07-18 | |
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PCT/US2020/042305 WO2021011761A1 (en) | 2019-07-18 | 2020-07-16 | Method for mitigating laterial film growth in area selective deposition |
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US20240030062A1 (en) * | 2021-04-16 | 2024-01-25 | Lam Research Corporation | Integration of fully aligned via through selective deposition and resistivity reduction |
JP7583669B2 (ja) * | 2021-04-30 | 2024-11-14 | 東京応化工業株式会社 | 表面処理方法、基板表面の領域選択的製膜方法及び表面処理剤 |
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JP2023142601A (ja) * | 2022-03-25 | 2023-10-05 | 東京エレクトロン株式会社 | 成膜方法及び成膜装置 |
WO2023204453A1 (ko) * | 2022-04-19 | 2023-10-26 | 인천대학교 산학협력단 | 영역-선택적 원자층 증착법을 이용한 박막의 선택적 증착방법 및 박막이 선택적으로 형성된 기판 |
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US11804376B2 (en) | 2023-10-31 |
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