JP6724005B2 - 基板処理装置、半導体装置の製造方法及び気化システム - Google Patents
基板処理装置、半導体装置の製造方法及び気化システム Download PDFInfo
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- JP6724005B2 JP6724005B2 JP2017528298A JP2017528298A JP6724005B2 JP 6724005 B2 JP6724005 B2 JP 6724005B2 JP 2017528298 A JP2017528298 A JP 2017528298A JP 2017528298 A JP2017528298 A JP 2017528298A JP 6724005 B2 JP6724005 B2 JP 6724005B2
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Classifications
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- C23C16/45561—Gas plumbing upstream of the reaction chamber
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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
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- C23C16/45578—Elongated nozzles, tubes with holes
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- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
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- H01L21/02104—Forming layers
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- H01L21/02263—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase
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- H01L21/0228—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition deposition by cyclic CVD, e.g. ALD, ALE, pulsed CVD
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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
- H01L21/67005—Apparatus not specifically provided for elsewhere
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- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
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- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
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- Organic Chemistry (AREA)
- Metallurgy (AREA)
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Description
例えば100〜500Paの範囲内の圧力とする。MFC54で制御するO3ガスの供給
流量は、例えば10〜90SLMの範囲内の流量とする。又、O3ガスをウェーハ6に曝す時間、即ちガス供給時間(照射時間)は、例えば10〜300秒間の範囲内の時間とする。又、前記ヒータユニット28の温度は、STEP:04と同様、ウェーハ6の温度が150〜300℃の範囲内の温度に設定されている。O3ガスの供給により、STEP:04でウェーハ6上に形成されたZr含有層が酸化され、ZrO層が形成される。
7 処理室
56 気化器
63 液体原料
65 気化室
88 第1キャリアガス
95 他端部(ノズルホルダ)
96 噴霧ノズル
101 噴射口(アトマイザー噴射口)
105 第2キャリアガス
109 一端部(プレート部材、シャワープレート)
Claims (14)
- 一端部と他端部とを有する気化室と、前記他端部で気化室に接続され、前記一端部に向けてキャリアガスと液体原料が混合された混合流体を噴射口から供給する第1流体供給部と、前記一端部の前記混合流体に向けて前記一端部の中心部に形成された噴出孔からキャリアガスを供給する第2流体供給部と、
を備える気化システムであって、
前記第1流体供給部及び前記第2流体供給部のうち少なくとも一方は、前記噴射口または前記噴出孔から前記気化室に供給されるキャリアガスの流れと、該キャリアガスの流れと異なる前記キャリアガスの他の流れをそれぞれ形成するように構成されている気化システム。 - 前記第1流体供給部は、前記液体原料が供給されるノズルの周囲に複数のキャリアガス用のパージ孔を設けるホルダと、前記ノズル及び前記ホルダに取り付けられ、前記ノズルとの間に開口を形成する保護部材と、を備える請求項1記載の気化システム。
- 前記ノズル及び前記ホルダに取り付けられた前記保護部材は、更に空間を形成し、前記噴射口を通過した前記キャリアガスは、前記空間、前記開口を通過し、前記ノズルの先端部へ到達し、前記液体原料をミスト化するように構成されている請求項2に記載の気化システム。
- 前記ノズル及び前記ホルダに取り付けられた前記保護部材は、更に空間を形成し、前記パージ孔を通過した前記キャリアガスは、該空間を介して前記保護部材に衝突した後、前記空間を流れ、前記開口近傍で前記噴射口から噴き出したキャリアガスと合流するように構成されている請求項2に記載の気化システム。
- 前記第1流体供給部は、前記保護部材により前記ノズルの先端部で発生するミストが前記ホルダに流入する領域がノズル断面積分を除く前記開口に制限されるよう構成されている請求項3記載の気化システム。
- 前記気化室の側壁は、前記第1流体供給部から供給される前記混合流体が前記第2流体供給部から供給される加熱されたキャリアガスによって、前記液体原料の気化されたガスを前記気化室から排出する排出孔が設けられる請求項1記載の気化システム。
- 前記排出孔は、前記気化室の側壁に周方向に均等で複数設けられる請求項6記載の気化システム。
- 前記気化室には、前記気化されたガスの流路が形成され、
前記気化されたガスが前記流路を介して前記排出孔に流れるよう構成される請求項6記載の気化システム。 - 前記第2流体供給部は、前記噴出孔の開口断面積と前記気化管のガイド部の開口断面積が同じ大きさかもしくは前記ガイド部の開口断面積の方が大きく構成されている請求項2記載の気化システム。
- 前記第2流体供給部は、前記第1流体供給部に対向する位置に設けられる請求項1記載の気化システム。
- 前記第2流体供給部から供給される前記キャリアガスの流量は、前記第1流体供給部から供給される前記混合流体の流量の7倍以上である請求項1記載の気化システム。
- 前記液体原料は、TEMAZ、TDEAZ、TDMAZよりなる群から選択される請求項1記載の気化システム。
- 基板を収容する処理室と、基板に反応ガスを供給する反応ガス供給系と、液体原料を気化器により気化させた気化ガスを原料ガスとして前記処理室に供給する原料ガス供給系と、を少なくとも具備し、前記気化器は、一端部と他端部とを有する気化室と、前記他端部で気化室に接続され、前記一端部に向けてキャリアガスと液体原料が混合された混合流体とを噴射口から供給する第1流体供給部と、前記一端部の前記混合流体に向けて前記一端部の中心部に形成された噴出孔からキャリアガスを供給する第2流体供給部と、を有し、前記第1流体供給部及び前記第2流体供給部のうち少なくとも一方は、前記噴射口または前記噴出孔から前記気化室に供給されるキャリアガスの流れと、該キャリアガスの流れとは異なる前記キャリアガスの他の流れをそれぞれ形成するように構成されている基板処理装置。
- 一端部と他端部とを有する気化室と、前記他端部で気化室に接続され、前記一端部に向けてキャリアガスと液体原料が混合された混合流体とを噴射口から供給する第1流体供給部と、前記一端部の前記混合流体に向けて前記一端部の周縁側から中心側へキャリアガスを供給する第2流体供給部とを備え、前記第1流体供給部及び前記第2流体供給部のうち少なくとも一方は、前記噴射口または前記噴出孔から前記気化室に供給されるキャリアガスの流れと、該キャリアガスの流れとは異なる前記キャリアガスの他の流れをそれぞれ形成するように構成されている気化器により、前記液体原料を気化させた気化ガスを原料ガスとして基板が収容された処理室に供給する工程と、該処理室から原料ガスを除去する工程と、原料ガスが除去された前記処理室に反応ガスを供給する工程と、前記処理室から反応ガスを除去する工程とを有する半導体装置の製造方法。
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