JP6317698B2 - 半導体製造装置および半導体製造方法 - Google Patents
半導体製造装置および半導体製造方法 Download PDFInfo
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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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- C23C16/45527—Atomic layer deposition [ALD] characterized by the ALD cycle, e.g. different flows or temperatures during half-reactions, unusual pulsing sequence, use of precursor mixtures or auxiliary reactants or activations
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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
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45523—Pulsed gas flow or change of composition over time
- C23C16/45525—Atomic layer deposition [ALD]
- C23C16/45544—Atomic layer deposition [ALD] characterized by the apparatus
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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
- 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
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—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
- H01L21/02112—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
- 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
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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—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
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Description
図1は、第1実施形態の半導体製造装置の構造を示す断面図である。
次に、図1または図2の半導体製造装置の第1および第2インジェクタ3、4に第1ガスを供給するガス供給部について説明する。このガス供給部は、図3または図4の半導体製造装置の第1〜第3インジェクタ3、4、7にも同様に第1ガスを供給可能である。
図9は、第1実施形態の比較例の半導体製造方法を示す断面図である。
図15は、第2実施形態の半導体製造装置の構造を示す断面図である。
3:第1インジェクタ、3a:第1開口、4:第2インジェクタ、4a:第2開口、
5:インジェクタ、5a:開口、6:制御部、
7:第3インジェクタ、7a:第3開口、
8:第1ダクト、8a:第1開口、9:第2ダクト、9a:第2開口、
10:ダクト、10a:開口、11:ウェハ、11a:凹部、12:膜、
21:シリンダ、22:ピストン、
23a〜23e:第1〜第5バッファタンク、24a〜24e:第1〜第5バルブ、
25:バルブ、26:バルブ
Claims (9)
- 基板を収容する収容部と、
前記収容部内に第1ガスを放出する複数の第1開口を有する第1流路と、
前記第1開口と個数が異なりサイズが等しく、前記収容部内に前記第1ガスを放出する複数の第2開口を有する第2流路と、
前記第1開口と個数が異なりサイズが等しく、かつ前記第2開口と個数が異なりサイズが等しく、前記収容部内に前記第1ガスを放出する複数の第3開口を有する第3流路と、
前記第1ガスが前記第1開口から第1流速で放出され、前記第1ガスが前記第2開口から前記第1流速と異なる第2流速で放出され、前記第1ガスが前記第3開口から前記第1および第2流速と異なる第3流速で放出されるように、前記第1、第2、および第3流路への前記第1ガスの供給を制御する制御部と、
を備える半導体製造装置。 - 基板を収容する収容部と、
前記収容部内に第1ガスを放出する複数の第1開口を有する第1流路と、
前記第1開口とサイズが異なり個数が等しく、前記収容部内に前記第1ガスを放出する複数の第2開口を有する第2流路と、
前記第1開口とサイズが異なり個数が等しく、かつ前記第2開口とサイズが異なり個数が等しく、前記収容部内に前記第1ガスを放出する複数の第3開口を有する第3流路と、
前記第1ガスが前記第1開口から第1流速で放出され、前記第1ガスが前記第2開口から前記第1流速と異なる第2流速で放出され、前記第1ガスが前記第3開口から前記第1および第2流速と異なる第3流速で放出されるように、前記第1、第2、および第3流路への前記第1ガスの供給を制御する制御部と、
を備える半導体製造装置。 - 前記制御部は、
前記基板の表面積が第1値である場合に、前記第1および第2開口から前記収容部内に前記第1ガスを供給し、
前記基板の表面積が前記第1値と異なる第2値である場合に、前記第2および第3開口から前記収容部内に前記第1ガスを供給する、
請求項1または2に記載の半導体製造装置。 - 前記収容部内に前記第1ガスと異なる第2ガスを放出する流路をさらに備える、請求項1から3のいずれか1項に記載の半導体製造装置。
- 前記第1および第2流路は、前記収容部内において、または前記収容部を構成する内部収容部と外部収容部との間において、同じ長さを有する、請求項1から4のいずれか1項に記載の半導体製造装置。
- 前記第1ガスを貯留する貯留部と、
前記貯留部から前記収容部に排出する前記第1ガスの量と、前記貯留部内に残存させる前記第1ガスの量との比率を調整する調整部と、
をさらに備える請求項1から5のいずれか1項に記載の半導体製造装置。 - 前記第1ガスを貯留する第1から第N(Nは2以上の整数)貯留部と、
前記第1から第N貯留部と前記収容部との間の流路にそれぞれ設けられた第1から第Nバルブと、
をさらに備える請求項1から5のいずれか1項に記載の半導体製造装置。 - 基板を収容部内に収容し、
第1流路の複数の第1開口から前記収容部内に、第1ガスを第1流速で放出し、
前記第1開口と個数が異なりサイズが等しい第2流路の複数の第2開口から前記収容部内に、前記第1ガスを前記第1流速と異なる第2流速で放出する、
前記第1開口と個数が異なりサイズが等しく、かつ前記第2開口と個数が異なりサイズが等しい第3流路の複数の第3開口から前記収容部内に、前記第1ガスを前記第1および第2流速と異なる第3流速で放出する、
ことを含む半導体製造方法。 - 基板を収容部内に収容し、
第1流路の複数の第1開口から前記収容部内に、第1ガスを第1流速で放出し、
前記第1開口とサイズが異なり個数が等しい第2流路の複数の第2開口から前記収容部内に、前記第1ガスを前記第1流速と異なる第2流速で放出する、
前記第1開口とサイズが異なり個数が等しく、かつ前記第2開口とサイズが異なり個数が等しい第3流路の複数の第3開口から前記収容部内に、前記第1ガスを前記第1および第2流速と異なる第3流速で放出する、
ことを含む半導体製造方法。
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