JP7657245B2 - めっき処理方法およびめっき処理装置 - Google Patents
めっき処理方法およびめっき処理装置 Download PDFInfo
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- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/31—Coating with metals
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- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
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- C23C18/38—Coating with copper
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- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/31—Coating with metals
- C23C18/38—Coating with copper
- C23C18/40—Coating with copper using reducing agents
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/52—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating using reducing agents for coating with metallic material not provided for in a single one of groups C23C18/32 - C23C18/50
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- H10D64/01—Manufacture or treatment
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- H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
- H10P14/40—Formation of materials, e.g. in the shape of layers or pillars of conductive or resistive materials
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- H10P14/40—Formation of materials, e.g. in the shape of layers or pillars of conductive or resistive materials
- H10P14/46—Formation of materials, e.g. in the shape of layers or pillars of conductive or resistive materials using a liquid
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- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
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- H10W20/01—Manufacture or treatment
- H10W20/031—Manufacture or treatment of conductive parts of the interconnections
- H10W20/032—Manufacture or treatment of conductive parts of the interconnections of conductive barrier, adhesion or liner layers
- H10W20/033—Manufacture or treatment of conductive parts of the interconnections of conductive barrier, adhesion or liner layers in openings in dielectrics
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- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
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- H10W20/01—Manufacture or treatment
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- H10W20/032—Manufacture or treatment of conductive parts of the interconnections of conductive barrier, adhesion or liner layers
- H10W20/042—Manufacture or treatment of conductive parts of the interconnections of conductive barrier, adhesion or liner layers the barrier, adhesion or liner layers being seed or nucleation layers
- H10W20/043—Manufacture or treatment of conductive parts of the interconnections of conductive barrier, adhesion or liner layers the barrier, adhesion or liner layers being seed or nucleation layers for electroplating
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- H10W20/45—Interconnections external to wafers or substrates, e.g. back-end-of-line [BEOL] metallisations or vias connecting to gate electrodes characterised by their insulating parts
- H10W20/48—Insulating materials thereof
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Description
最初に、実施形態に係る基板処理装置1の概略構成について、図1を参照しながら説明する。図1は、実施形態に係る基板処理装置1の構成を示す図である。基板処理装置1は、めっき処理装置の一例である。
次に、めっき処理部5の概略構成について、図2を参照しながら説明する。図2は、実施形態に係るめっき処理部5の構成を示す図である。めっき処理部5は、たとえば、基板Wを1枚ずつ処理する枚葉式の処理ユニットとして構成される。
つづいて、実施形態に係るめっき処理の詳細について、図3~図7を参照しながら説明する。図3は、実施形態に係る第1めっき処理前の基板W表面の状態を示す拡大断面図である。
つづいて、実施形態の各種変形例について、図8~図10を参照しながら説明する。図8は、実施形態の変形例に係る第1めっき処理を説明するための図である。
つづいて、図11を参照しながら、実施形態に係る基板処理装置1が実行するめっき処理の詳細について説明する。図11は、実施形態に係るめっき処理の処理手順を示すフローチャートである。
5 めっき処理部
52 基板保持部
53 第1めっき液供給部(薬液供給部の一例)
54 第2めっき液供給部(薬液供給部の一例)
91 制御部
120 ビア(凹部の一例)
132 シード層
133 薄膜
134 還元めっき膜
L1 第1めっき液
L2 第2めっき液
L2a 第3めっき液
W 基板
Claims (7)
- 凹部にコバルトまたはコバルト合金のシード層が形成された基板を準備する準備工程と、
前記基板に対して銅イオンを含有する第1めっき液を用いて、前記シード層の表層を銅に置換する置換めっき処理を行う第1めっき工程と、
前記第1めっき工程の後に、前記基板に対して銅イオンおよび還元剤を含有する第2めっき液を用いて、前記凹部に還元めっき処理を行う第2めっき工程と、
を含み、
前記第1めっき工程および前記第2めっき工程は、前記基板を回転可能に保持する基板保持部で前記基板を回転させながら、前記第1めっき液または前記第2めっき液を前記基板に供給して行われ、
前記第1めっき工程での前記基板の回転数は1000(rpm)以下であり、前記第2めっき工程での前記基板の回転数は100(rpm)以下である
めっき処理方法。 - 前記第1めっき液は、還元剤を含まない
請求項1に記載のめっき処理方法。 - 前記第2めっき工程は、前記第1めっき液で濡れた状態の前記基板に対して行われる
請求項1または2に記載のめっき処理方法。 - 前記シード層は、CVD法により形成される
請求項1~3のいずれか一つに記載のめっき処理方法。 - 前記シード層の厚みは、1(nm)以上である
請求項1~4のいずれか一つに記載のめっき処理方法。 - 前記第2めっき液は、前記第1めっき液よりも温度が高い
請求項1~5のいずれか一つに記載のめっき処理方法。 - 基板を回転可能に保持する基板保持部と、
前記基板に薬液を供給する薬液供給部と、
各部を制御する制御部と、
を備え、
前記制御部は、
凹部にコバルトまたはコバルト合金のシード層が形成された前記基板を前記基板保持部で保持し、
前記基板を回転させながら前記基板に対して銅イオンを含有する第1めっき液を供給して、前記シード層の表層を銅に置換する置換めっき処理を行い、
前記置換めっき処理の後に、前記基板を回転させながら前記基板に対して銅イオンおよび還元剤を含有する第2めっき液を供給して、前記凹部に還元めっき処理を行い、
前記置換めっき処理での前記基板の回転数は1000(rpm)以下であり、前記還元めっき処理での前記基板の回転数は100(rpm)以下である
めっき処理装置。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021015670 | 2021-02-03 | ||
| JP2021015670 | 2021-02-03 | ||
| PCT/JP2022/001927 WO2022168614A1 (ja) | 2021-02-03 | 2022-01-20 | めっき処理方法およびめっき処理装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2022168614A1 JPWO2022168614A1 (ja) | 2022-08-11 |
| JP7657245B2 true JP7657245B2 (ja) | 2025-04-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2022579431A Active JP7657245B2 (ja) | 2021-02-03 | 2022-01-20 | めっき処理方法およびめっき処理装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20240309511A1 (ja) |
| JP (1) | JP7657245B2 (ja) |
| KR (1) | KR20230136183A (ja) |
| TW (1) | TW202244294A (ja) |
| WO (1) | WO2022168614A1 (ja) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001085358A (ja) | 1999-09-13 | 2001-03-30 | Nec Toyama Ltd | 基板上の銅配線形成方法及び銅配線の形成された基板 |
| JP2001102448A (ja) | 1999-09-30 | 2001-04-13 | Seiko Epson Corp | 配線の形成方法 |
| JP2003115489A (ja) | 2001-10-03 | 2003-04-18 | Fujitsu Ltd | 半導体装置及びその製造方法 |
| JP2010185113A (ja) | 2009-02-12 | 2010-08-26 | Kansai Univ | 無電解銅めっき液、無電解銅めっき方法、及び埋め込み配線の形成方法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4670306A (en) * | 1983-09-15 | 1987-06-02 | Seleco, Inc. | Method for treatment of surfaces for electroless plating |
| US6919158B2 (en) * | 2001-08-03 | 2005-07-19 | Fuji Photo Film Co., Ltd. | Conductive pattern material and method for forming conductive pattern |
| US20050130397A1 (en) * | 2003-10-29 | 2005-06-16 | Bentley Philip G. | Formation of layers on substrates |
| KR100955860B1 (ko) * | 2005-02-08 | 2010-05-06 | 후지필름 가부시키가이샤 | 금속패턴 형성방법 |
| JP5079396B2 (ja) * | 2007-03-30 | 2012-11-21 | 富士フイルム株式会社 | 導電性物質吸着性樹脂フイルム、導電性物質吸着性樹脂フイルムの製造方法、それを用いた金属層付き樹脂フイルム、及び、金属層付き樹脂フイルムの製造方法 |
| US9691622B2 (en) * | 2008-09-07 | 2017-06-27 | Lam Research Corporation | Pre-fill wafer cleaning formulation |
| US8846451B2 (en) * | 2010-07-30 | 2014-09-30 | Applied Materials, Inc. | Methods for depositing metal in high aspect ratio features |
| US8895441B2 (en) * | 2012-02-24 | 2014-11-25 | Lam Research Corporation | Methods and materials for anchoring gapfill metals |
| US8828863B1 (en) * | 2013-06-25 | 2014-09-09 | Lam Research Corporation | Electroless copper deposition with suppressor |
| JP6177670B2 (ja) * | 2013-11-21 | 2017-08-09 | 東京エレクトロン株式会社 | めっきの前処理方法、無電解めっき方法および記憶媒体 |
| US9353444B2 (en) * | 2014-03-25 | 2016-05-31 | Lam Research Corporation | Two-step deposition with improved selectivity |
| JP7386315B2 (ja) * | 2020-03-05 | 2023-11-24 | 富士フイルム株式会社 | 被覆方法 |
| CN114959664A (zh) * | 2021-02-24 | 2022-08-30 | 超特国际股份有限公司 | 用于化学电镀处理非导电区域的活化溶液及方法 |
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2022
- 2022-01-20 US US18/263,435 patent/US20240309511A1/en active Pending
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001085358A (ja) | 1999-09-13 | 2001-03-30 | Nec Toyama Ltd | 基板上の銅配線形成方法及び銅配線の形成された基板 |
| JP2001102448A (ja) | 1999-09-30 | 2001-04-13 | Seiko Epson Corp | 配線の形成方法 |
| JP2003115489A (ja) | 2001-10-03 | 2003-04-18 | Fujitsu Ltd | 半導体装置及びその製造方法 |
| JP2010185113A (ja) | 2009-02-12 | 2010-08-26 | Kansai Univ | 無電解銅めっき液、無電解銅めっき方法、及び埋め込み配線の形成方法 |
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| TW202244294A (zh) | 2022-11-16 |
| KR20230136183A (ko) | 2023-09-26 |
| US20240309511A1 (en) | 2024-09-19 |
| WO2022168614A1 (ja) | 2022-08-11 |
| JPWO2022168614A1 (ja) | 2022-08-11 |
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