JP7053773B2 - チャンバ分離型エピ成長装置 - 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
230:真空調節ユニット
Claims (7)
- 成長空間を備える反応チャンバと、
前記成長空間に配置され、基板が装着されるように形成される基板装着ユニットと、
前記成長空間と独立した空間において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、
前記基板に向くように設置されて、前記基板に追加的に酸素ラジカルを供給する酸素ラジカル供給ユニットと、
前記反応チャンバ及び前記金属酸化物処理ユニットに対する真空状態を独立的に調節する真空調節ユニットを含み、
前記金属酸化物処理ユニットは、
前記成長空間と独立的な蒸発空間を備える金属酸化物処理チャンバと、
前記成長空間に向くように前記蒸発空間に配置され、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照射して、前記酸化亜鉛板から亜鉛イオンと酸素イオンが蒸発するようにする電子ビーム照射器と、
前記蒸発空間を前記成長空間に連通させて、蒸発された前記亜鉛イオンと前記酸素イオンが前記成長空間内に位置する前記基板に向かって移動するようにするゲートバルブとを含み、
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に該当するレベルに位置し、
前記装着台は、前記反応チャンバの下側に該当するレベルに位置する、チャンバ分離型エピ成長装置。 - 成長空間を備える反応チャンバと、
前記成長空間に配置され、基板が装着されるように形成される基板装着ユニットと、
前記成長空間と独立した空間において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、
前記基板に向くように設置されて、前記基板に追加的に酸素ラジカルを供給する酸素ラジカル供給ユニットと、
前記反応チャンバ及び前記金属酸化物処理ユニットに対する真空状態を独立的に調節する真空調節ユニットを含み、
前記金属酸化物処理ユニットは、
前記成長空間と独立的な蒸発空間を備える金属酸化物処理チャンバと、
前記成長空間に向くように前記蒸発空間に配置され、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照射して、前記酸化亜鉛板から亜鉛イオンと酸素イオンが蒸発するようにする電子ビーム照射器と、
前記蒸発空間を前記成長空間に連通させて、蒸発された前記亜鉛イオンと前記酸素イオンが前記成長空間内に位置する前記基板に向かって移動するようにするゲートバルブとを含み、
前記金属酸化物処理ユニットは、
前記蒸発空間に設置されて、前記酸化亜鉛板の蒸発状態を撮影するカメラをさらに含む、チャンバ分離型エピ成長装置。 - 前記真空調節ユニットは、
前記成長空間に対して作用する第1ポンプと、
前記蒸発空間に対して作用する第2ポンプと、を含み、
前記第2ポンプは、
前記ゲートバルブの閉状態で前記蒸発空間の真空状態を前記成長空間と独立的に調節するように作動する、請求項1又は2に記載のチャンバ分離型エピ成長装置。 - 前記ゲートバルブは、
前記基板のサイズに比例するサイズに選択される、請求項1又は2に記載のチャンバ分離型エピ成長装置。 - 前記金属酸化物処理チャンバは、
蒸発源の取り替えのために前記装着台に対する接近を許容する取り替えドアをさらに含む、請求項1又は2に記載のチャンバ分離型エピ成長装置。 - 成長空間を備える反応チャンバと、
前記成長空間に配置され、基板が装着されるように形成される基板装着ユニットと、
前記成長空間と独立した空間において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、
前記基板に向くように設置されて、前記基板に追加的に酸素ラジカルを供給する酸素ラジカル供給ユニットと、
前記反応チャンバ及び前記金属酸化物処理ユニットに対する真空状態を独立的に調節する真空調節ユニットを含み、
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、チャンバ分離型エピ成長装置。 - 成長空間を備える反応チャンバと、
前記成長空間に配置され、基板が装着されるように形成される基板装着ユニットと、
前記成長空間と独立した空間において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、
前記基板に向くように設置されて、前記基板に追加的に酸素ラジカルを供給する酸素ラジカル供給ユニットと、
前記反応チャンバ及び前記金属酸化物処理ユニットに対する真空状態を独立的に調節する真空調節ユニットを含み、
前記基板装着ユニットを基準に、酸素供給ユニットと前記ヒ素供給ユニットとが互いに反対側に位置する、チャンバ分離型エピ成長装置。
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Citations (6)
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JP2002068889A (ja) | 2000-08-28 | 2002-03-08 | National Institute Of Advanced Industrial & Technology | 酸化物立方晶系(111)基板を用いる酸化亜鉛等の六方晶系物質の(0001)エピタキシャル薄膜の作製方法及び同法で作製した薄膜 |
JP2004095452A (ja) | 2002-09-03 | 2004-03-25 | Hitachi Ltd | 膜の形成方法、膜の形成装置および保護膜 |
JP2007039785A (ja) | 2005-07-04 | 2007-02-15 | Seiko Epson Corp | 真空蒸着装置及び電気光学装置の製造方法 |
JP2012172261A (ja) | 2011-02-24 | 2012-09-10 | Sfc:Kk | 成膜装置 |
JP2013147683A (ja) | 2012-01-17 | 2013-08-01 | Fujikura Ltd | 酸化亜鉛薄膜 |
JP2014092167A (ja) | 2012-10-31 | 2014-05-19 | Victaulic Co Of Japan Ltd | 伸縮継手 |
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