JP6419053B2 - 基板処理方法および基板処理装置 - Google Patents
基板処理方法および基板処理装置 Download PDFInfo
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Description
<基板処理システムの構成>
図1は、本実施形態に係る基板処理システムの概略構成を示す図である。以下では、位置関係を明確にするために、互いに直交するX軸、Y軸およびZ軸を規定し、Z軸正方向を鉛直上向き方向とする。
まず、処理ユニット16の構成例について図3を参照して説明する。図3は、第1の実施形態に係る処理ユニット16の構成例を示す図である。
次に、処理ユニット16が実行する基板洗浄処理の内容について図4および図5A〜図5Fを参照して説明する。図4は、処理ユニット16が実行する基板洗浄処理の処理手順を示すフローチャートである。また、図5Aは薬液処理の説明図であり、図5Bはリンス処理の説明図であり、図5Cは第1置換処理の説明図であり、図5Dは水分除去処理の説明図であり、図5Eは撥水化処理の説明図であり、図5Fは第2置換処理の説明図である。
次に、第2の実施形態に係る基板処理システムについて説明する。図6は、第2の実施形態に係る処理ユニットの構成例を示す図である。なお、以下の説明では、既に説明した部分と同様の部分については、既に説明した部分と同一の符号を付し、重複する説明を省略する。
上述した第1および第2の実施形態では、リンス処理後かつ撥水化処理前に、水分除去処理および第1置換処理を並行して行う場合の例について説明したが、水分除去処理は、リンス処理後かつ第1置換処理前に行ってもよい。
次に、第4の実施形態に係る水分除去処理について図11を参照して説明する。図11は、第4の実施形態に係る水分除去処理の説明図である。なお、第4の実施形態に係る水分除去処理は、ウェハWの裏面に対してN2等の気体を供給可能な第5ノズル65A〜65C(図6、図8および図9参照)を備える処理ユニットにより実行される。ここでは、一例として、第5ノズル65Aを備える処理ユニット16A(図6参照)により実行されるものとする。
上述してきた第1〜第4の実施形態では、撥水化処理前に、ウェハWの裏面周縁部に残存する水分を除去することで、シミDの発生を未然に防止する場合の例について説明した。
上述した第5の実施形態では、除去液供給処理においてウェハWの裏面に除去液を供給する方法として、第5ノズル65からウェハWの裏面に対して除去液を供給する場合の例について説明した。しかし、ウェハWの裏面に除去液を供給する方法は、上記の例に限定されない。そこで、以下では、除去液供給処理の変形例について図14Aおよび図14Bを参照して説明する。図14Aは第2置換処理の説明図であり、図14Bは変形例に係る除去液供給処理の説明図である。
次に、第7の実施形態に係る処理ユニットの構成について図15を参照して説明する。図15は、第7の実施形態に係る処理ユニットの構成例を示す図である。
W ウェハ
1 基板処理システム
16 処理ユニット
18 制御部
61 第1ノズル
62 第2ノズル
63 第3ノズル
64 第4ノズル
65 第5ノズル
Claims (5)
- 基板における第1の面に対し、水分を含んだ第1の洗浄液を供給する第1面洗浄工程と、
前記第1の面とは反対側の面である第2の面に対し、水分を含んだ第2の洗浄液を供給する第2面洗浄工程と、
前記第2面洗浄工程後、前記基板を回転させることによって前記基板における前記第2の面に残存する水分を前記基板の回転に伴う遠心力によって除去する水分除去工程と、
前記水分除去工程を行うときに、前記基板における前記第1の面に対して有機溶剤を供給し、前記基板の回転に伴う遠心力によって前記有機溶剤を前記第1の面に広げることにより、前記第1の面上の前記第1の洗浄液を前記有機溶剤に置換する置換工程と、
前記水分除去工程後、前記基板における前記第1の面に対して撥水化剤を供給する撥水化工程と、
前記撥水化工程後、前記基板を乾燥させる乾燥工程と
を含み、
前記水分除去工程は、
前記置換工程によって前記基板における前記第1の面に対して前記有機溶剤が供給される間、前記基板における前記第2の面に対して気体を供給することを特徴とする基板処理方法。 - 基板を回転させつつ、前記基板における第1の面に対し、水分を含んだ第1の洗浄液を供給する第1面洗浄工程と、
前記基板を回転させつつ、前記第1の面とは反対側の面である第2の面に対し、水分を含んだ第2の洗浄液を供給する第2面洗浄工程と、
前記第1面洗浄工程が継続している状態で前記第2面洗浄工程を終了することにより、前記基板における前記第2の面に残存する水分を前記基板の回転に伴う遠心力によって除去する水分除去工程と、
前記水分除去工程後、前記基板における前記第1の面に対して撥水化剤を供給する撥水化工程と、
前記撥水化工程後、前記基板を乾燥させる乾燥工程と
を含むことを特徴とする基板処理方法。 - 前記水分除去工程は、
前記基板における前記第1の面に対して前記第1の洗浄液が供給される間、前記基板における前記第2の面に対して気体を供給すること
を特徴とする請求項2に記載の基板処理方法。 - 基板を回転可能に保持する基板保持部と、
前記基板における第1の面に対し、水分を含んだ第1の洗浄液を供給する第1面洗浄部と、
前記第1の面とは反対側の面である第2の面に対し、水分を含んだ第2の洗浄液を供給する第2面洗浄部と、
前記基板における前記第1の面に対して撥水化剤を供給する撥水化剤供給部と、
前記基板の第2の面に対して気体を供給する気体供給部と、
前記第1面洗浄部から、前記基板における前記第1の面に対し、前記第1の洗浄液を供給する第1面洗浄処理と、前記第2面洗浄部から、前記第2の面に対して前記第2の洗浄液を供給する第2面洗浄処理と、前記第2面洗浄処理後、前記基板保持部を用いて前記基板を回転させることによって前記基板における前記第2の面に残存する水分を前記基板の回転に伴う遠心力によって除去する水分除去処理と、前記水分除去処理を行うときに、前記基板における前記第1の面に対して有機溶剤を供給し、前記基板の回転に伴う遠心力によって前記有機溶剤を前記第1の面に広げることにより、前記第1の面上の前記第1の洗浄液を前記有機溶剤に置換する置換処理と、前記水分除去処理後、前記撥水化剤供給部から前記基板における前記第1の面に対して撥水化剤を供給する撥水化処理と、前記撥水化処理後、前記基板を乾燥させる乾燥処理とを行う制御部と
を備え、
前記制御部は、
前記水分除去処理において、前記置換処理によって前記基板における前記第1の面に対して前記有機溶剤が供給される間、前記気体供給部から前記基板における前記第2の面に対して気体を供給することを特徴とする基板処理装置。 - 基板を回転可能に保持する基板保持部と、
基板における第1の面に対し、水分を含んだ第1の洗浄液を供給する第1面洗浄部と、
前記第1の面とは反対側の面である第2の面に対し、水分を含んだ第2の洗浄液を供給する第2面洗浄部と、
前記基板における前記第1の面に対して撥水化剤を供給する撥水化剤供給部と、
前記基板保持部を用いて前記基板を回転させつつ、前記第1面洗浄部から、前記基板における前記第1の面に対し、前記第1の洗浄液を供給する第1面洗浄処理と、前記基板保持部を用いて前記基板を回転させつつ、前記第2面洗浄部から、前記第2の面に対して前記第2の洗浄液を供給する第2面洗浄処理と、前記第1面洗浄処理が継続している状態で前記第2面洗浄処理を終了することにより、前記基板における前記第2の面に残存する水分を前記基板の回転に伴う遠心力によって除去する水分除去処理と、前記水分除去処理後、前記撥水化剤供給部から前記基板における前記第1の面に対して撥水化剤を供給する撥水化処理と、前記撥水化処理後、前記基板を乾燥させる乾燥処理とを行う制御部と
を備えることを特徴とする基板処理装置。
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