JP2020530527A - 熱化学気相堆積(cvd)における均一性を改善するための装置及び方法 - Google Patents
熱化学気相堆積(cvd)における均一性を改善するための装置及び方法 Download PDFInfo
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Abstract
Description
Claims (15)
- 第1の表面領域と、前記第1の表面領域を取り囲む第2の表面領域とを有する本体であって、前記第1の表面領域は第1の放射率を有し、前記第2の表面領域は第2の放射率を有し、前記第2の放射率は前記第1の放射率とは異なる、本体と、
前記第1の表面領域内に前記面板を貫通して形成された第1の複数の孔と、
前記第2の表面領域内に前記面板を貫通して形成された第2の複数の孔と
を含む、面板。 - 前記第1の表面領域は、第2の表面領域に対して相対的に凹状とされている、請求項1に記載の面板。
- 前記第1の表面領域は第1の厚さを有し、前記第2の表面領域は、前記第1の厚さとは異なる第2の厚さを有する、請求項1に記載の面板。
- 前記第1の複数の孔は、前記第1の表面領域内に第1の密度で配置され、前記第2の複数の孔は、前記第2の表面領域内に第2の密度で配置され、前記第2の密度は、前記第1の密度とは異なる、請求項1に記載の面板。
- 前記第1の複数の孔は第1の直径を有し、前記第2の複数の孔は第2の直径を有し、前記第2の直径は、前記第1の直径とは異なる、請求項1に記載の面板。
- 第1の表面領域と、前記第1の表面領域を取り囲む第2の表面領域とを有する本体であって、前記第1の表面領域は第1の放射率を有し、前記第2の表面領域は第2の放射率を有し、前記第2の放射率は前記第1の放射率とは異なる、本体と、
前記第1の表面領域内及び前記第2の表面領域内に前記遮蔽板を貫通して形成された複数のガス分配孔であって、前記第1の表面領域内の前記ガス分配孔は第1の密度を有し、前記第2の表面領域内の前記ガス分配孔は第2の密度を有し、前記第2の密度は前記第1の密度とは異なり、前記第1の表面領域内の前記ガス分配孔は、第1の流れプロファイルを有し、前記第2の表面領域内の前記ガス分配孔は、第2の流れプロファイルを有し、前記第2の流れプロファイルは前記第1の流れプロファイルとは異なる、複数のガス分配孔と
を含む、遮蔽板。 - 前記第1の表面領域内の前記ガス分配孔は第1の直径を有し、前記第2の表面領域内の前記ガス分配孔は第2の直径を有し、前記第2の直径は、前記第1の直径とは異なり、前記第1の表面領域は、前記第2の表面領域に対して相対的に凹状とされている、請求項6に記載の遮蔽板。
- 前記遮蔽板の前記第1の表面領域は第1の厚さを有し、前記遮蔽板の前記第2の表面領域は、第2の厚さを有し、前記第2の厚さは前記第1の厚さとは異なる、請求項6に記載の遮蔽板。
- 基板に膜を堆積させるための装置であって、
処理容積室を内側に画定するチャンバ本体及びチャンバリッドと、
前記処理容積室内に配置された基板支持体と、
前記処理容積室内において前記基板支持体と対向して配置された遮蔽板であって、前記遮蔽板にはそれを貫通する複数の孔が形成されている、遮蔽板と、
複数の孔がそれを貫通して形成された面板であって、前記面板は、前記処理容積室において前記遮蔽板と前記基板支持体との間に配置され、前記面板は、前記面板と前記遮蔽板との間に容積室を少なくとも部分的に画定し、前記面板は、第1の表面領域と、前記第1の表面領域を取り囲む第2の表面領域と、を有し、前記第1の表面領域は、前記第2の表面領域に対して相対的に凹状とされている、面板と
を含む、基板に膜を堆積させるための装置。 - 前記第1の表面領域は第1の放射率を有し、前記第2の表面領域は第2の放射率を有し、前記第2の放射率は前記第1の放射率とは異なる、請求項9に記載の装置。
- 前記第1の表面領域は第1の厚さを有し、前記第2の表面領域は第2の厚さを有し、前記第2の厚さは、前記第1の厚さとは異なる、請求項9に記載の装置。
- 前記面板は、
前記第1の表面領域を貫通して形成された第1の複数のガス分配孔であって、前記第1の複数のガス分配孔は第1の密度を有し、前記第1の複数のガス分配孔の各々は第1の直径を有する、第1の複数のガス分配孔と、
前記第2の表面領域を貫通して形成された第2の複数のガス分配孔であって、前記第2の複数のガス分配孔は第2の密度を有し、前記第2の密度は前記第1の密度とは異なり、前記第2の複数のガス分配孔の各々は第2の直径を有し、前記第2の直径は前記第1の直径とは異なる、第2の複数のガス分配孔と
をさらに含む、請求項9に記載の装置。 - 複数の孔がそれを貫通して形成された放射遮蔽体をさらに含み、前記放射遮蔽体は、前記処理容積室内において、前記基板支持体が前記面板と前記放射遮蔽体との間に存在するように、前記面板に対向して配置され、前記放射遮蔽体は、前記基板支持体のシャフトの周りに配置されている、請求項9に記載の装置。
- 前記放射遮蔽体の前記複数の孔は、第1の環状パターン、第2の環状パターン、及び第3の環状パターンで配置され、前記第1の環状パターン及び前記第2の環状パターンは、第1の密度による孔を有し、前記第3の環状パターンは、第2の密度による孔を有し、前記第1の環状パターン、前記第2の環状パターン、及び前記第3の環状パターンは各々、前記放射遮蔽体の共通軸の周囲に形成される、請求項13に記載の装置。
- 前記シャフトは、径方向にガスを流すために、前記基板支持体に隣接する前記シャフトの上端に、貫通して形成された複数の孔を含む、請求項13に記載の装置。
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US20210147981A1 (en) | 2021-05-20 |
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CN111066133B (zh) | 2023-08-22 |
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