JP7169865B2 - 基板処理装置および基板処理方法 - Google Patents
基板処理装置および基板処理方法 Download PDFInfo
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- JP7169865B2 JP7169865B2 JP2018230872A JP2018230872A JP7169865B2 JP 7169865 B2 JP7169865 B2 JP 7169865B2 JP 2018230872 A JP2018230872 A JP 2018230872A JP 2018230872 A JP2018230872 A JP 2018230872A JP 7169865 B2 JP7169865 B2 JP 7169865B2
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- H01L21/68785—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 for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support characterised by the mechanical construction of the susceptor, stage or support
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Description
まず、第1実施形態に係る基板処理システムの構成について図1を参照して説明する。図1は、第1実施形態に係る基板処理システムの構成を示す図である。
ところで、ウェハWによっては、エッチング処理により除去する膜の膜厚が均一でない場合がある。たとえば、外周部における膜厚が中心部における膜厚よりも厚いウェハWや、中心部における膜厚が外周部における膜厚よりも厚いウェハWが存在することがある。
たとえば、堰部61の高さが不十分な場合、ウェハW面内におけるエッチング液の温度にバラツキが生じるおそれがある。そこで、制御部18は、エッチング処理中におけるウェハW面内の温度分布に基づいて堰部61の高さを調整してもよい。この点について図17を参照して説明する。図17は、第3実施形態に係る高さ調整処理の手順を示すフローチャートである。なお、図17に示す高さ調整処理は、たとえばエッチング処理が開始された場合に開始されるものとする。
第4実施形態では、堰機構の変形例について説明する。図18は、第4実施形態における第1変形例に係る堰機構の構成を示す図である。
堰機構60,60A~60Cは、支柱部63(図2参照)を回転させる回転機構を備えていてもよい。この場合、堰機構60,60A~60Cは、回転機構を用いて支柱部63を回転させることにより、ウェハWの回転軸と同一の回転軸まわりに堰部61,61A~61Cを回転させることができる。
1 基板処理システム
16 処理ユニット
30 基板保持機構
31 回転プレート
40 供給部
41 ノズル
60 堰機構
61 堰部
64 移動機構
Claims (10)
- 基板が載置される載置部と、
前記載置部に載置された前記基板に対して処理液を供給する供給部と、
前記載置部に載置された前記基板を囲み、前記基板に供給された前記処理液の前記基板からの流出を堰き止める堰部と、
前記堰部の高さを変更する移動機構と
を備え、
前記堰部は、
前記基板に供給された前記処理液に接する第1部材と、
前記第1部材よりも外周側に設けられる第2部材と
を備え、
前記第1部材は、
前記第2部材と比較して熱伝導率が高い、基板処理装置。 - 前記堰部を加熱する加熱部
を備える、請求項1に記載の基板処理装置。 - 基板が載置される載置部と、
前記載置部に載置された前記基板に対して処理液を供給する供給部と、
前記載置部に載置された前記基板を囲み、前記基板に供給された前記処理液の前記基板からの流出を堰き止める堰部と、
前記堰部の高さを変更する移動機構と
を備え、
前記堰部は、
前記処理液を吐出する複数の吐出口を内周面に備える、基板処理装置。 - 基板が載置される載置部と、
前記載置部に載置された前記基板に対して処理液を供給する供給部と、
前記載置部に載置された前記基板を囲み、前記基板に供給された前記処理液の前記基板からの流出を堰き止める堰部と、
前記堰部の高さを変更する移動機構と、
前記移動機構を制御する制御部と
を備え、
前記制御部は、
前記移動機構を制御することにより、前記堰部の高さを前記処理液の種類に応じた高さに調整する、基板処理装置。 - 基板が載置される載置部と、
前記載置部に載置された前記基板に対して処理液を供給する供給部と、
前記載置部に載置された前記基板を囲み、前記基板に供給された前記処理液の前記基板からの流出を堰き止める堰部と、
前記堰部の高さを変更する移動機構と、
前記移動機構を制御する制御部と
を備え、
前記制御部は、
前記移動機構を制御することにより、前記堰部の高さを前記処理液の温度に応じた高さに調整する、基板処理装置。 - 前記制御部は、
前記処理液の温度が高い場合に、前記処理液の温度が低い場合と比較して前記堰部の高さを高くする、請求項5に記載の基板処理装置。 - 基板が載置される載置部と、
前記載置部に載置された前記基板に対して処理液を供給する供給部と、
前記載置部に載置された前記基板を囲み、前記基板に供給された前記処理液の前記基板からの流出を堰き止める堰部と、
前記堰部の高さを変更する移動機構と、
前記移動機構を制御する制御部と、
前記基板の面内温度を検出する温度検出部と
を備え、
前記制御部は、
前記載置部に載置された前記基板に対して前記供給部から前記処理液が供給される間、前記温度検出部によって検出された前記基板の面内温度の分布に応じて前記移動機構を制御して前記堰部の高さを調整する、基板処理装置。 - 載置部に基板を載置する載置工程と、
前記載置工程後、前記載置部に載置された前記基板を堰部で囲む囲み工程と、
前記囲み工程後、前記載置部に載置された前記基板に対して処理液を供給し、前記基板に供給された前記処理液の前記基板からの流出を前記堰部により堰き止める供給工程と、
前記載置工程後、前記囲み工程前に、前記基板の一部に前記処理液を供給する部分供給工程と
を含む、基板処理方法。 - 前記供給工程後、前記処理液の前記基板からの流出を堰き止めない位置に前記堰部を移動させることにより、前記処理液を前記基板から流出させる流出工程と、
前記流出工程後、前記載置部に載置された前記基板に対してリンス液を供給するリンス工程と
をさらに含む、請求項8に記載の基板処理方法。 - 前記流出工程後、前記リンス工程前に、前記堰部を移動させて、前記載置部に載置された前記基板を前記堰部で囲む再囲み工程
をさらに含む、請求項9に記載の基板処理方法。
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