JP7478776B2 - ゲートスタック形成のための統合湿式洗浄 - Google Patents
ゲートスタック形成のための統合湿式洗浄 Download PDFInfo
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- JP7478776B2 JP7478776B2 JP2022107576A JP2022107576A JP7478776B2 JP 7478776 B2 JP7478776 B2 JP 7478776B2 JP 2022107576 A JP2022107576 A JP 2022107576A JP 2022107576 A JP2022107576 A JP 2022107576A JP 7478776 B2 JP7478776 B2 JP 7478776B2
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- H01L21/02181—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 at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides characterised by the metal the material containing hafnium, e.g. HfO2
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- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
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- H01L21/67161—Apparatus for manufacturing or treating in a plurality of work-stations characterized by the layout of the process chambers
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- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
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- H01L21/67011—Apparatus for manufacture or treatment
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- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
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Description
[0001] 本出願は、2021年7月7日に出願された「ゲートスタック形成のための統合湿式洗浄」という題目の米国仮出願第63/219,221号の利益及び優先権を主張し、その内容は、あらゆる目的のためにその全体が参照により本明細書に組み込まれる。
前述されたように、湿式処理及びゲート酸化物形成用の別個の治具を有する従来技術は、バッチ処理及びツール待ち行列時間のために、基板がシステム間で移送されるのに数時間待つので、ウエハ処理においてこのような均一性を生み出すことができない。
Claims (23)
- 第1の移送ロボットを含むファクトリインターフェース、
湿式洗浄システムの第1の側で前記ファクトリインターフェースに結合された前記湿式洗浄システム、
前記湿式洗浄システムの前記第1の側とは反対の前記湿式洗浄システムの第2の側で前記湿式洗浄システムに結合されたロードロックチャンバ、
前記ロードロックチャンバに結合され、第2の移送ロボットを含む、第1の移送チャンバ、
前記第1の移送チャンバに結合された熱処理チャンバ、
前記第1の移送チャンバに結合され、第3の移送ロボットを含む、第2の移送チャンバ、
前記第2の移送チャンバに結合された金属堆積チャンバ、及び
コントローラであって、
前記湿式洗浄システムの湿式洗浄チャンバで基板を処理して、前記基板上に形成された酸化物の表面から残留有機物及び粒子を除去することであって、前記基板はシリコン層を含み、前記湿式洗浄チャンバで前記基板を処理することにより、前記酸化物の前記表面上の水分の量を維持する、ことと、
前記湿式洗浄チャンバで前記基板を処理した直後に前記基板上でゲート形成処理を実行することであって、前記ゲート形成処理を実行することは、前記酸化物の前記表面上に高誘電率材料を形成することを含む、ことと、
を実行するように構成されたコントローラ、
を備える、統合クラスタツール。 - 前記第1の移送チャンバ又は前記第2の移送チャンバにとってアクセス可能なドライエッチングチャンバを更に備える、請求項1に記載の統合クラスタツール。
- 前記湿式洗浄システムは、
動作可能に気圧に維持される単一ウエハ湿式洗浄チャンバを備え、前記第1の移送チャンバは、減圧状態に維持される、請求項1に記載の統合クラスタツール。 - 前記単一ウエハ湿式洗浄チャンバは、複数の化学物質供給システムと流体結合される、請求項3に記載の統合クラスタツール。
- 前記単一ウエハ湿式洗浄チャンバは、前記ファクトリインターフェースの前記第1の移送ロボットにとってアクセス可能である、請求項3に記載の統合クラスタツール。
- 前記湿式洗浄システムは、
前記湿式洗浄システム内に配置された第4の移送ロボットを更に備え、前記第4の移送ロボットは、前記単一ウエハ湿式洗浄チャンバと前記ロードロックチャンバとの間で基板を移送するように動作可能である、請求項3に記載の統合クラスタツール。 - 前記湿式洗浄システムは、更に、
互いに積み重ねられた複数の単一ウエハ湿式洗浄チャンバを備える、請求項3に記載の統合クラスタツール。 - 各単一ウエハ湿式洗浄チャンバは、複数の化学物質供給システムと流体結合される、請求項7に記載の統合クラスタツール。
- 前記第1の移送ロボットがその上で動作する軌道が、前記湿式洗浄システムの中に延在する、請求項1に記載の統合クラスタツール。
- 第1の移送ロボットを含むファクトリインターフェースであって、前記ファクトリインターフェースの第1の表面上に前面開口型統一ポッド用の1以上のアクセス箇所を備えるファクトリインターフェース、
湿式洗浄システムの第1の側で、前記ファクトリインターフェースの前記第1の表面とは反対側の前記ファクトリインターフェースの第2の表面に結合された前記湿式洗浄システム、
前記湿式洗浄システムの前記第1の側とは反対の前記湿式洗浄システムの第2の側で、前記湿式洗浄システムに結合されたロードロックチャンバ、
前記ロードロックチャンバに結合され、第2の移送ロボットを含む、移送チャンバ、
前記移送チャンバに結合された金属堆積チャンバ、及び
コントローラであって、
前記湿式洗浄システムの湿式洗浄チャンバで基板を処理して、前記基板上に形成された酸化物の表面から残留有機物及び粒子を除去することであって、前記基板はシリコン層を含み、前記湿式洗浄チャンバで前記基板を処理することにより、前記酸化物の前記表面上の水分の量を維持する、ことと、
前記湿式洗浄チャンバで前記基板を処理した直後に前記基板上でゲート形成処理を実行することであって、前記ゲート形成処理を実行することは、前記酸化物の前記表面上に高誘電率材料を形成することを含む、ことと、
を実行するように構成されたコントローラ、
を備える、統合クラスタツール。 - 前記移送チャンバは、第2の移送チャンバであり、前記統合クラスタツールは、更に、
前記ロードロックチャンバと前記第2の移送チャンバとの間に結合された第1の移送チャンバを備える、請求項10に記載の統合クラスタツール。 - 前記第1の移送チャンバに結合されたドライエッチングチャンバを更に備える、請求項11に記載の統合クラスタツール。
- 前記湿式洗浄システムは、
動作可能に気圧に維持される単一ウエハ湿式洗浄チャンバを備え、前記移送チャンバは、減圧状態に維持される、請求項10に記載の統合クラスタツール。 - 前記単一ウエハ湿式洗浄チャンバは、前記ファクトリインターフェースの前記第1の移送ロボットにとってアクセス可能である、請求項13に記載の統合クラスタツール。
- 前記湿式洗浄システムは、更に、
前記湿式洗浄システム内に配置された第4の移送ロボットを備え、前記第4の移送ロボットは、前記単一ウエハ湿式洗浄チャンバと前記ロードロックチャンバとの間で基板を移送するように動作可能である、請求項13に記載の統合クラスタツール。 - 前記湿式洗浄システムは、更に、
垂直に積み重ねられた2つ以上の単一ウエハ湿式洗浄チャンバを備える、請求項13に記載の統合クラスタツール。 - 各単一ウエハ湿式洗浄チャンバは、異なる化学物質供給システムと流体結合される、請求項16に記載の統合クラスタツール。
- 基板を処理する方法であって、
前記基板を統合クラスタツールのファクトリインターフェース内に受け取ること、
前記基板を、前記ファクトリインターフェースから、湿式洗浄システムの第1の表面で前記ファクトリインターフェースに結合された前記湿式洗浄システムに送達すること、
半導体処理チャンバ内に収容される基板の表面から酸化物を除去するために、前記湿式洗浄システムの湿式洗浄チャンバ内で、前記基板を処理することであって、前記基板はシリコン層を含む、前記基板を処理すること、
前記基板を、前記湿式洗浄システムから、前記湿式洗浄システムの前記第1の表面の反対側の前記湿式洗浄システムの第2の表面で、前記湿式洗浄システムに結合されたロードロックチャンバに送達すること、
前記基板を前記ロードロックチャンバから金属堆積チャンバに送達すること、
高誘電率誘電材料を形成すること、
前記高誘電率誘電材料を、窒素含有前駆体を用いて処理すること、及び
前記高誘電率誘電材料をアニーリングすることを含む、基板を処理する方法。 - 前記高誘電率誘電材料を形成する前に、前記シリコン層の少なくとも一部分を酸化することを更に含む、請求項18に記載の基板を処理する方法。
- 前記シリコン層の少なくとも一部分を酸化した後で、水酸化アンモニウム及び過酸化水素の溶液を用いて湿式洗浄プロセスを実行することを更に含む、請求項19に記載の基板を処理する方法。
- 前記高誘電率誘電材料を、窒素含有前駆体を用いて処理する前に、前記高誘電率誘電材料をアニーリングすることを更に含む、請求項18に記載の基板を処理する方法。
- 前記湿式洗浄チャンバ内で前記基板を処理することは、
フッ化水素酸を含む第1の化学物質を用いて、前記基板を洗浄すること、
水酸化アンモニウムを含む第2の化学物質を用いて、前記基板を洗浄すること、及び
塩酸を含む第3の化学物質を用いて、前記基板を洗浄することを含む、請求項18に記載の基板を処理する方法。 - オゾン注入脱イオン水を含む第4の化学物質を用いて、前記基板を洗浄することを更に含む、請求項22に記載の基板を処理する方法。
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US20070202254A1 (en) | 2001-07-25 | 2007-08-30 | Seshadri Ganguli | Process for forming cobalt-containing materials |
JP2009529789A (ja) | 2006-03-09 | 2009-08-20 | アプライド マテリアルズ インコーポレイテッド | 低エネルギープラズマシステムを用いた高誘電率トランジスタゲートを製造するための方法及び装置 |
JP2009533877A (ja) | 2006-04-11 | 2009-09-17 | アプライド マテリアルズ インコーポレイテッド | コバルト含有材料を形成するプロセス |
JP2009543355A (ja) | 2006-07-03 | 2009-12-03 | アプライド マテリアルズ インコーポレイテッド | 進歩型フロントエンド処理のためのクラスターツール |
JP2013517616A (ja) | 2010-01-06 | 2013-05-16 | アプライド マテリアルズ インコーポレイテッド | 酸化物ライナを使用する流動可能な誘電体 |
JP2019061996A (ja) | 2017-09-25 | 2019-04-18 | 株式会社Screenホールディングス | 基板反転装置、基板処理装置および基板挟持装置 |
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