JP2020136540A - 水蒸気処理装置及び水蒸気処理方法 - Google Patents
水蒸気処理装置及び水蒸気処理方法 Download PDFInfo
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Abstract
Description
処理ガスによる処理が施された基板を水蒸気により処理する水蒸気処理装置であって、
上下に分離された第一処理室と第二処理室を有する外側チャンバーと、
前記第一処理室に収容され、前記第一処理室の内壁面と接触せず、前記第一処理室の床面にある固定部材に載置される第一内側チャンバーと、
前記第二処理室に収容され、前記第二処理室の内壁面と接触せず、前記第二処理室の床面にある固定部材に載置される第二内側チャンバーと、
前記第一内側チャンバーと前記第二内側チャンバーのそれぞれに水蒸気を供給する水蒸気供給部と、
前記第一内側チャンバーと前記第二内側チャンバーのそれぞれから排気する内側排気部と、を有する。
<アフタートリートメント処理が適用される薄膜トランジスターの一例>
はじめに、図1乃至図2Bを参照して、本開示の実施形態に係る水蒸気処理装置によりアフタートリートメント処理が適用される、薄膜トランジスターの一例について説明する。ここで、図1は、実施形態に係る水蒸気処理装置によるアフタートリートメント処理が適用される薄膜トランジスターの一例を示す縦断面図である。また、図2Aは、エッチング処理後の電極近傍の状態を示す模式図であり、図2Bは、アフタートリートメント処理後の電極近傍の状態を示す模式図である。
次に、図3を参照して、実施形態に係る水蒸気処理装置を含むクラスターツールの一例について説明する。ここで、図3は、実施形態に係る水蒸気処理装置を含むクラスターツールの一例を示す平面図である。
次に、図4乃至図9を参照して、実施形態に係る水蒸気処理装置を含むクラスターツールの一例について説明する。ここで、図4は、実施形態に係る水蒸気処理装置の一例の縦断面図である。また、図5は、図4のV−V矢視図であって、図4と直交する方向の縦断面図であり、図6は、図4のVI−VI矢視図であって、実施形態に係る水蒸気処理装置の一例の横断面図である。また、図7は、基板が搭載された基板搬送部材を内側チャンバーに搬入し、基板を載置台に載置する状況を説明する縦断面図である。さらに、図8は、図7のVIII−VIII矢視図であり、図9は、図7のIX−IX矢視図である。
次に、図14及び図15を参照して、実施形態に係る水蒸気処理方法の一例について説明する。ここで、図14は、実施形態に係る水蒸気処理装置による処理フローの一例を示すフローチャートであり、図15は、気化器と内側チャンバーの圧力制御方法の一例を示す図である。
110 外側チャンバー
111 第一処理室
112 第二処理室
120 第一内側チャンバー
140 固定部材
150 第二内側チャンバー
170 固定部材
402,405 水蒸気供給部
408,411 内側排気部
G 基板
Claims (12)
- 処理ガスによる処理が施された基板を水蒸気により処理する水蒸気処理装置であって、
上下に分離された第一処理室と第二処理室を有する外側チャンバーと、
前記第一処理室に収容され、前記第一処理室の内壁面と接触せず、前記第一処理室の床面にある固定部材に載置される第一内側チャンバーと、
前記第二処理室に収容され、前記第二処理室の内壁面と接触せず、前記第二処理室の床面にある固定部材に載置される第二内側チャンバーと、
前記第一内側チャンバーと前記第二内側チャンバーのそれぞれに水蒸気を供給する水蒸気供給部と、
前記第一内側チャンバーと前記第二内側チャンバーのそれぞれから排気する内側排気部とを有する、水蒸気処理装置。 - 前記第一内側チャンバーは、前記基板を支持する第一支持部材を有し、
前記第二内側チャンバーは、前記基板を支持する第二支持部材を有し、
前記第一支持部材と前記第二支持部材の上面には、前記基板を直接支持する複数の突起が設けられている、請求項1に記載の水蒸気処理装置。 - 前記第一支持部材は第一温調部を有し、
前記第二支持部材は第二温調部を有している、請求項2に記載の水蒸気処理装置。 - 前記第一内側チャンバーの側面に第一内側開口が設けられ、前記外側チャンバーのうち、前記第一内側開口に対応する位置に第一外側開口が設けられており、
前記第二内側チャンバーの側面に第二内側開口が設けられ、前記外側チャンバーのうち、前記第二内側開口に対応する位置に第二外側開口が設けられており、
前記第一内側開口、前記第一外側開口、前記第二内側開口、及び前記第二外側開口のそれぞれに開閉蓋が取り付けられている、請求項1乃至3のいずれか一項に記載の水蒸気処理装置。 - 制御部をさらに有し、
前記制御部により、前記第一温調部と前記第二温調部がそれぞれ個別に温調制御される、請求項3、又は請求項3に従属する請求項4に記載の水蒸気処理装置。 - 前記第一処理室と前記第二処理室のそれぞれから排気する外側排気部をさらに有する、請求項1乃至5のいずれか一項に記載の水蒸気処理装置。
- 前記第一処理室、前記第二処理室、前記第一内側チャンバー、及び前記第二内側チャンバーのそれぞれに不活性ガスを供給してパージする不活性ガス供給部をさらに有する、請求項1乃至6のいずれか一項に記載の水蒸気処理装置。
- 前記固定部材が断熱性を有する、請求項1乃至7のいずれか一項に記載の水蒸気処理装置。
- 前記第一支持部材と前記第二支持部材の上面にはそれぞれ、前記上面に連通する複数の収容溝が開設されており、
複数の軸部材と、複数の前記軸部材を相互に繋ぐ繋ぎ部材と、を有する基板搬送部材が、複数の前記軸部材の上に前記基板を載置した状態で前記第一内側チャンバーと前記第二内側チャンバーに収容され、前記軸部材が前記収容溝に収容されることにより、前記第一支持部材と前記第二支持部材にそれぞれ前記基板が載置される、請求項2、請求項2に従属する請求項3乃至8のいずれか一項に記載の水蒸気処理装置。 - 処理ガスによる処理が施された基板を水蒸気により処理する水蒸気処理方法であって、
上下に分離された第一処理室と第二処理室を有する外側チャンバーと、
前記第一処理室に収容されている第一内側チャンバー、及び、前記第二処理室に収容されている第二内側チャンバーと、を有する水蒸気処理装置を準備する工程と、
前記第一内側チャンバーと前記第二内側チャンバーにそれぞれ前記基板を収容し、水蒸気を供給して処理する工程と、
前記第一内側チャンバーと前記第二内側チャンバーから排気する工程と、を有する、水蒸気処理方法。 - 前記第一内側チャンバーと前記第二内側チャンバーはそれぞれ、前記基板を載置して温調する第一支持部材と第二支持部材を有し、
前記第一支持部材と前記第二支持部材を、それぞれ個別に温調制御しながら水蒸気による処理を行う、請求項10に記載の水蒸気処理方法。 - 前記第一内側チャンバーと前記第二内側チャンバーのいずれか一方をメンテナンスする際には、いずれか他方のみを使用して前記基板に対して水蒸気を供給して処理する、請求項10又は11に記載の水蒸気処理方法。
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