JP7042320B2 - 単結晶金属酸化物半導体エピ成長装置 - Google Patents
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Description
110:反応チャンバ
130:基板装着ユニット
150:金属酸化物処理ユニット
170:酸素供給ユニット
180:ヒ素供給ユニット
190:駆動ユニット
210:ヒータユニット
Claims (11)
- 内部空間を備える反応チャンバと、
前記内部空間に配置され、基板が装着される基板装着ユニットと、
金属酸化物を処理して、前記金属酸化物から発生した金属イオンと酸素イオンが前記基板に供給されるようにする金属酸化物処理ユニットと、
前記基板に向くように設置されて、前記基板にヒ素イオンを供給するヒ素供給ユニットと、を含み、
前記金属酸化物処理ユニットは、
前記内部空間において前記基板に対向するように配置され、前記金属酸化物である酸化亜鉛板が設置される装着台と、
前記酸化亜鉛板に向かって電子ビームをダイレクト方式で照射して、前記酸化亜鉛板から蒸発した亜鉛イオンと酸素イオンが前記基板に向かって移動するようにする電子ビーム照射器とを含み、
前記基板に向くように設置されて、気体状態の酸素分子を解離して前記基板に酸素ラジカルを供給する酸素供給ユニットをさらに含み、
前記反応チャンバは、
前記内部空間を限定する底面から突出形成され、前記酸素供給ユニットと前記ヒ素供給ユニットとの間に配置されて前記酸素供給ユニットから吐出された前記酸素ラジカルが前記ヒ素供給ユニット及び前記金属酸化物処理ユニット側に移動することを遮断する隔壁をさらに含む、単結晶金属酸化物半導体エピ成長装置。 - 前記基板装着ユニット及び前記電子ビーム照射器は、前記反応チャンバの上部側に設置され、
前記装着台は、前記反応チャンバの下部側に設置される、請求項1に記載の単結晶金属酸化物半導体エピ成長装置。 - 前記酸化亜鉛板に対して前記電子ビーム照射器の照射角度は20°の範囲で決定される、請求項1に記載の単結晶金属酸化物半導体エピ成長装置。
- 前記電子ビーム照射器は、
30kVの加速電圧と1Aの放出電流を使用する30kWのパワーで作動する、請求項1に記載の単結晶金属酸化物半導体エピ成長装置。 - 前記基板装着ユニット及び前記装着台は、
前記酸化亜鉛板と前記基板との間の距離が800mmないし1800mmの範囲内となるように配置される、請求項3に記載の単結晶金属酸化物半導体エピ成長装置。 - 前記ヒ素供給ユニットは、
ヒ素をイオン化するために500℃ないし1100℃の範囲で作動して、前記ヒ素イオンとしてAs2 +を供給する、請求項1に記載の単結晶金属酸化物半導体エピ成長装置。 - 前記基板装着ユニットを基準に、前記金属酸化物処理ユニットと前記酸素供給ユニットは互いに反対側に配置され、
前記ヒ素供給ユニットは、前記金属酸化物処理ユニットと前記酸素供給ユニットとの間に位置する、請求項1に記載の単結晶金属酸化物半導体エピ成長装置。 - 前記酸素供給ユニットは、
前記反応チャンバの前記内部空間を限定する底面より低いレベルを有する吐出口と、
吐出口を開閉するゲートバルブと、を含む、請求項1に記載の単結晶金属酸化物半導体エピ成長装置。 - 前記酸素供給ユニットの前記基板を向く角度は20°ないし40°の範囲で決定される、請求項1に記載の単結晶金属酸化物半導体エピ成長装置。
- 前記基板装着ユニットに連結されたまま前記反応チャンバに設置されて、前記基板装着ユニットを駆動する駆動ユニットをさらに含み、
前記駆動ユニットは、
前記基板装着ユニットを前記ヒ素供給ユニットから遠くなるか近くなる方向に移動させるか、前記基板装着ユニットを回転させるように構成される、請求項1に記載の単結晶金属酸化物半導体エピ成長装置。 - 前記基板を加熱するために前記基板装着ユニットに対応して設置されるヒータユニットをさらに含み、
前記ヒータユニットは、750℃ないし1000℃で作動して、成膜中に前記基板の温度が550℃ないし800℃を維持するようにする、請求項1に記載の単結晶金属酸化物半導体エピ成長装置。
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CN116043325A (zh) * | 2023-03-24 | 2023-05-02 | 北京航空航天大学 | 一种薄膜沉积装置及薄膜沉积方法 |
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JP2005537644A (ja) | 2002-08-28 | 2005-12-08 | モクストロニクス,インコーポレイテッド | 金属酸化物ZnO膜、p型ZnO膜、およびZnO系II−VI化合物半導体デバイスを作製するハイブリッドビーム堆積システムおよび方法 |
JP2004269338A (ja) | 2003-03-12 | 2004-09-30 | Univ Waseda | 薄膜単結晶の成長方法 |
JP2011506773A (ja) | 2007-12-19 | 2011-03-03 | タリアニ, カルロ | 金属酸化物膜を堆積させるための方法 |
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