JP6793903B2 - 焼鈍処理方法、処理チャンバ、及び焼鈍装置 - Google Patents
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Description
2 真空マニピュレータ
4 積載チャンバ
5 装置先端モジュール
6 大気伝送マニピュレータ
7 ウェハ積載ボックス
8 処理チャンバ
31 電球
32 加熱器
33 石英カバー
34 キャビティ
35 出入口
36 ウェハ押し上げフィンガー
37 シリンダ
38 吸気口
39 アングル弁
81 チャンバ本体
83 バルブ
811 第1の処理サブチャンバ
812 第2の処理サブチャンバ
813 接続サブチャンバ
821 第1の排気構造
822 第2の排気構造
823 排気集合管
831 第1の吸気構造
832 第2の吸気構造
Claims (19)
- ウェハを処理チャンバ内に送入する前後、及びウェハを焼鈍処理する過程において、いずれも前記処理チャンバ内の圧力を予め設定された閾値に維持することを含み、さらに
ウェハを処理チャンバに送入する前に、処理チャンバ内に第1のガスを流入させ、前記処理チャンバの圧力を前記予め設定された閾値に維持し、
ウェハを処理チャンバに送入した後、及びウェハを焼鈍処理する過程において、前記処理チャンバ内に第2のガスを流入させ、前記処理チャンバ内の圧力を前記予め設定された閾値に維持することを含む、
ことを特徴とする焼鈍処理方法。 - 前記処理チャンバの排気流量を制御することにより、処理チャンバ内の圧力を前記予め設定された閾値に維持する、
ことを特徴とする請求項1に記載の焼鈍処理方法。 - 予め設定された数量のウェハを焼鈍処理した後、前記処理チャンバを真空引きすることをさらに含む、
ことを特徴とする請求項1に記載の焼鈍処理方法。 - 前記予め設定された数量は、25〜50枚である、
ことを特徴とする請求項3に記載の焼鈍処理方法。 - 前記第1のガスはN2であり、前記第2のガスはN2とH2との混合ガスである、
ことを特徴とする請求項1に記載の焼鈍処理方法。 - 前記第1のガスの流量は100〜500sccmであり、前記第2のガスにおけるN2の流量は1000sccmであり、前記第2のガスにおけるH2の流量は300sccmである、
ことを特徴とする請求項5に記載の焼鈍処理方法。 - 前記予め設定された閾値は、1Torr〜10Torrである、
ことを特徴とする請求項1に記載の焼鈍処理方法。 - 前記予め設定された閾値は、2Torrである、
ことを特徴とする請求項7に記載の焼鈍処理方法。 - ウェハを処理チャンバ内に送入する前後、及びウェハを焼鈍処理する過程において、いずれも前記処理チャンバ内の圧力を予め設定された閾値に維持する気圧制御手段を含み、
前記気圧制御手段は、
前記処理チャンバの頂部に設置され、前記処理チャンバ内にガスを輸送する吸気構造と、
前記処理チャンバの底部に設置され、前記処理チャンバ内のガスを排出する排気構造と、
ウェハを処理チャンバに送入する前に、前記吸気構造を制御して処理チャンバ内に第1のガスを流入させるとともに、前記排気構造を制御して前記処理チャンバの圧力を前記予め設定された閾値に維持し、並びにウェハを処理チャンバに送入した後、及びウェハを焼鈍処理する過程において、前記吸気構造を制御して前記処理チャンバ内に第2のガスを流入させるとともに、前記排気構造を制御して前記処理チャンバ内の圧力を前記予め設定された閾値に維持する制御器と、を含む、
ことを特徴とする処理チャンバ。 - 前記排気構造には、ガスの流量を調節するバルブが設置され、
前記制御器は、前記バルブの開度を調節することにより、前記処理チャンバの排気流量を制御することで、処理チャンバ内の圧力を予め設定された閾値に維持する、
ことを特徴とする請求項9に記載の処理チャンバ。 - 前記処理チャンバは、前記処理チャンバ内の圧力を検出し、検出値を前記制御器に送信する圧力検出装置をさらに含み、
前記制御器は、前記検出値と前記閾値とに応じて、前記バルブの開度を調節する、
ことを特徴とする請求項10に記載の処理チャンバ。 - 前記処理チャンバは、少なくとも2つの処理サブチャンバが設けられ、且つ前記少なくとも2つの処理サブチャンバが連通しているチャンバ本体をさらに含む、
ことを特徴とする請求項9〜11のいずれか1項に記載の処理チャンバ。 - 前記少なくとも2つの処理サブチャンバは、第1の処理サブチャンバ及び第2の処理サブチャンバを含み、前記第1の処理サブチャンバ及び第2の処理サブチャンバは構造が同一で、且つ水平方向に並べて設置されているとともに、両者間に両者を連通させる接続サブチャンバが設けられる、
ことを特徴とする請求項12に記載の処理チャンバ。 - 前記吸気構造は、それぞれ前記第1の処理サブチャンバ及び第2の処理サブチャンバの頂部に設置され、それぞれ前記第1の処理サブチャンバ及び第2の処理サブチャンバ内にガスを輸送する第1の吸気構造及び第2の吸気構造を含み、
前記排気構造は、それぞれ前記第1の処理サブチャンバ及び第2の処理サブチャンバの底部に設置され、それぞれ前記第1の処理サブチャンバ及び第2の処理サブチャンバ内のガスを排出する第1の排気構造及び第2の排気構造を含み、
前記制御器は、第1のウェハ及び第2のウェハをそれぞれ前記第1の処理サブチャンバと前記第2の処理サブチャンバとに送入する前に、前記第1の吸気構造及び第2の吸気構造を制御して、それぞれ前記第1の処理サブチャンバ及び第2の処理サブチャンバ内に第1のガスを流入させるとともに、前記第1の排気構造及び第2の排気構造を制御して、それぞれ前記第1の処理サブチャンバ及び第2の処理サブチャンバ内のガスを排出させ、並びに第1のウェハ及び第2のウェハをそれぞれ前記第1の処理サブチャンバ及び第2の処理サブチャンバに送入した後、及びそれぞれ前記第1のウェハ及び第2のウェハを焼鈍処理する過程において、前記第1の吸気構造及び第2の吸気構造を制御して、それぞれ前記第1の処理サブチャンバ及び第2の処理サブチャンバ内に第2のガスを流入させるとともに、前記第1の排気構造及び第2の排気構造を制御して、それぞれ前記第1の処理サブチャンバ及び第2の処理サブチャンバ内のガスを排出させることで、前記第1の処理サブチャンバ及び第2の処理サブチャンバ内の圧力を前記予め設定された閾値に維持する、
ことを特徴とする請求項13に記載の処理チャンバ。 - 前記排気構造にはガスの流量を調節するバルブが設置され、前記制御器は前記バルブの開度を調節することにより、前記処理チャンバの排気流量を制御することで、処理チャンバ内の圧力を前記予め設定された閾値に維持し、
前記排気構造は、排気集合管をさらに含み、前記第1の排気構造及び第2の排気構造はいずれも前記排気集合管と接続され、前記バルブは前記排気集合管に設置され、前記排気集合管のガス流量を調節することにより、同時に前記第1の排気構造及び第2の排気構造のガス流量を調節する、
ことを特徴とする請求項14に記載の処理チャンバ。 - 請求項9〜15のいずれか1項に記載の処理チャンバを含む、
ことを特徴とする焼鈍装置。 - 前記処理チャンバと接続される伝送台をさらに含む、
ことを特徴とする請求項16に記載の焼鈍装置。 - 前記伝送台は四角形であり、前記処理チャンバは3つであり、前記3つの処理チャンバはそれぞれ前記伝送台の3つの側面に位置する、
ことを特徴とする請求項17に記載の焼鈍装置。 - 前記伝送台には真空マニピュレータが設置され、前記焼鈍装置は、前記伝送台における前記処理チャンバと接続していない側面に位置する積載チャンバをさらに含み、
前記真空マニピュレータは、ウェハを前記積載チャンバから、それぞれ前記処理チャンバの第1のチャンバ及び第2のチャンバ内に伝送する、
ことを特徴とする請求項18に記載の焼鈍装置。
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CN201611045887.1 | 2016-11-21 | ||
CN201611045887.1A CN108091588B (zh) | 2016-11-21 | 2016-11-21 | 一种退火工艺方法、工艺腔室及退火设备 |
PCT/CN2017/088423 WO2018090610A1 (zh) | 2016-11-21 | 2017-06-15 | 一种退火工艺方法、工艺腔室及退火设备 |
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