JP7744136B2 - 反応チャンバ圧力の安定化のためのシステム及び方法 - Google Patents
反応チャンバ圧力の安定化のためのシステム及び方法Info
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Description
6 サセプタ
8 ガス分配システム
10、12 反応物質源
14 ガス源
16~20 ライン
22~26 コントローラ
30 基材
50 反応器システム
60 コントローラ
65 プロセッサ
100、200 ガス供給システム
103 第一のガス源
107 第二のガス源
112 第一のマスフローコントローラ(MFC)
114 第二のMFC
120 第一のガス供給経路
122 第一のガス主ライン
124 第一のガス分岐ライン
126 第一の主ラインバルブ
128 第一の分岐ラインバルブ
130 第二のガス供給経路
132 第二のガス主ライン
134 第二のガス分岐ライン
136 第二の主ラインバルブ
138 第二の分岐ラインバルブ
140 ベントライン
148 圧力モニタ
150 反応チャンバ
152 チャンバ入口経路
154 収束点
158 コンダクタンス制御バルブ
160 排気ライン
162 圧力制御バルブ
Claims (17)
- 反応器システムであって、
第一のガス源と、
前記第一のガス源に流体連結された第一のガス供給経路と、
第二のガス源と、
前記第二のガス源に流体連結された第二のガス供給経路と、
前記第一のガス供給経路及び前記第二のガス供給経路に流体連結された反応チャンバであって、前記第一のガス供給経路は第一のガス供給経路端部で前記反応チャンバに流体連結され、前記第二のガス供給経路は第二のガス供給経路端部で前記反応チャンバに流体連結される、反応チャンバと、を備え、
第一のガスが前記第一のガス源から前記反応チャンバに供給され、第二のガスが前記第二のガス源から前記反応チャンバに供給されて、反応チャンバ圧力の安定性を達成し、
前記反応チャンバから下流で前記反応チャンバに流体連結された排気ラインと、
前記第一のガス供給経路及び前記第二のガス供給経路のうちの少なくとも一つ、ならびに前記排気ラインに流体連結され、前記反応チャンバを迂回する、ベントラインと、
前記ベントラインに連結され、前記ベントライン内のベントライン圧力を監視するように構成される、圧力モニタと、
前記ベントラインに連結されたベントラインコンダクタンス制御バルブであって、ベントラインコンダクタンス制御バルブが前記圧力モニタからのフィードバックに応答して調整するように構成される、ベントラインコンダクタンス制御バルブと、を備え、
前記第一のガス供給経路が、第一のガス主ライン及び第一のガス分岐ラインを備え、前記第一のガス主ラインは前記反応チャンバと流体連通し、前記第一のガス分岐ラインは前記ベントラインと流体連通し、
前記第二のガス供給経路が、第二のガス主ライン及び第二のガス分岐ラインを備え、前記第二のガス主ラインは前記反応チャンバと流体連通し、前記第二のガス分岐ラインは前記ベントラインと流体連通し、
前記第一のガス主ラインが、前記反応チャンバの上流及び前記第一のガス分岐ラインの下流に配置された第一の主ラインバルブを備え、前記第一のガス分岐ラインは第一の分岐ラインバルブを備え、
前記第二のガス主ラインが、前記反応チャンバの上流及び前記第二のガス分岐ラインの下流に配置された第二の主ラインバルブを備え、前記第二のガス分岐ラインは第二の分岐ラインバルブを備え、前記第一の主ラインバルブと、第二の主ラインバルブと、第一の分岐ラインバルブと、前記第二の分岐ラインバルブとは、それぞれ前記第一のガス主ラインと、前記第二のガス主ラインと、前記第一のガス分岐ラインと、前記第二のガス分岐ラインとを通るガス流を少なくとも部分的に増加又は減少させるように構成される、
反応器システム。 - 前記反応チャンバが、チャンバ入口経路を介して前記第一のガス供給経路及び前記第二のガス供給経路に流体連結され、前記第一のガス供給経路は前記第一のガス供給経路端部で前記チャンバ入口経路に流体連結され、前記第二のガス供給経路は前記第二のガス供給経路端部で前記チャンバ入口経路に流体連結される、請求項1に記載の反応器システム。
- 前記圧力モニタ及び前記ベントラインコンダクタンス制御バルブと電子通信するプロセッサと、
前記プロセッサと通信するように構成された有形の非一時的メモリであって、前記プロセッサによる実行に応答して、前記プロセッサに、
前記圧力モニタによって、前記ベントライン内の前記ベントライン圧力を監視することと、
前記プロセッサによって、前記ベントライン圧力の変化を検出することと、
前記プロセッサによって、前記ベントライン圧力の前記変化の前記検出に応答して、前記ベントラインコンダクタンス制御バルブのバルブ位置をより開く又はより閉じるように、前記ベントラインコンダクタンス制御バルブの調整を命令することと、を含む動作を実施させる命令を格納して有する、有形の非一時的メモリと、をさらに備える、請求項1に記載の反応器システム。 - 前記ベントライン圧力の前記変化の前記検出が、前記ベントライン圧力と前記反応チャンバの前記反応チャンバ圧力との間の差を検出することを含み、前記ベントラインコンダクタンス制御バルブによる前記調整は、前記ベントライン圧力と前記反応チャンバ圧力との差をより小さくするように構成される、請求項3に記載の反応器システム。
- 反応チャンバが反応チャンバの所望の圧力レベルを備えるように、第一のガス源から前記反応チャンバに第一のガスを流すことと、
前記第一のガスを前記第一のガス源から前記反応チャンバに流す間に、第二のガス源から前記反応チャンバの下流の排気ラインに、ベントラインを介して第二のガスを流すことであって、前記ベントラインは前記第二のガス源及び前記排気ラインと流体連通し、且つ前記反応チャンバを迂回する、第二のガスを流すことと、
前記反応チャンバへ前記第一のガスを流すことを停止させることと、
前記排気ラインへ前記第二のガスを流すことを減少又は停止させることのうちの少なくとも一つと、
前記反応チャンバが前記反応チャンバの所望の圧力レベルを維持するように、前記排気ラインへ前記第二のガスを流すことを前記減少又は停止させることのうちの少なくとも一つに応答して、前記第二のガスを前記反応チャンバに流すことと、
前記ベントラインに連結された圧力モニタを介して、前記ベントラインのベントライン圧力を監視することと、
前記圧力モニタによって検出される前記ベントライン圧力に基づいて、前記ベントラインに連結されたベントラインコンダクタンス制御バルブを調整することと、を含む、方法。 - 圧力モニタから圧力フィードバックを受信し、且つ前記ベントラインコンダクタンス制御バルブに命令を送信することにより前記ベントラインコンダクタンス制御バルブを前記調整するプロセッサを介して、前記圧力モニタが、前記ベントラインコンダクタンス制御バルブと電子通信する、請求項5に記載の方法。
- 前記反応チャンバへ前記第一のガスを流すことを前記停止させることが起こる間に、前記排気ラインへ前記第二のガスを流すことを前記減少又は停止させることのうちの少なくとも一つが起こる、請求項5に記載の方法。
- 前記第二のガス源から前記ベントラインを介して前記排気ラインへ前記第二のガスを前記流すことが、第二のガス主ラインと第二のガス分岐ラインとを備える第二のガス供給経路を通って前記第二のガスを流すことを含み、ここで前記第二のガス主ラインは前記反応チャンバと流体連通し、前記第二のガス分岐ラインは前記ベントラインと流体連通し、
前記排気ラインへ前記第二のガスを流すことを前記減少又は停止させることのうちの少なくとも一つが、前記第二のガス分岐ラインに連結された第二の分岐ラインバルブを少なくとも部分的に閉じることに応答して起こり、
前記第二のガスを前記反応チャンバに前記流すことが、前記第二のガス分岐ラインの下流の前記第二のガス主ラインに連結された第二の主ラインバルブを少なくとも部分的に開くことに応答して起こる、請求項7に記載の方法。 - 前記ベントライン圧力の増加を検出することと、
前記ベントラインコンダクタンス制御バルブのバルブ位置をより閉じて、前記ベントラインを通る流れをより少なくすることを含む、前記ベントラインコンダクタンス制御バルブを前記調整することと、
前記ベントライン圧力の減少を検出することと、
前記ベントラインコンダクタンス制御バルブのバルブ位置をより開いて、前記ベントラインを通る流れをより多くすることを含む、前記ベントラインコンダクタンス制御バルブを前記調整することと、のうちの少なくとも一つをさらに含む、請求項5に記載の方法。 - 反応チャンバが反応チャンバの所望の圧力レベルを備えるように、第一のガス源から前記反応チャンバに第一のガスを流すことと、
前記第一のガスを前記第一のガス源から前記反応チャンバに流す間に、第二のガス源から前記反応チャンバの下流の排気ラインに、ベントラインを介して第二のガスを流すことであって、前記ベントラインは前記第二のガス源及び前記排気ラインと流体連通し、且つ前記反応チャンバを迂回する、第二のガスを流すことと、
前記反応チャンバへ前記第一のガスを流すことを停止させることと、
前記排気ラインへ前記第二のガスを流すことを減少又は停止させることのうちの少なくとも一つと、
前記反応チャンバへ前記第一のガスを流すことを前記停止させることに応答して、前記第一のガスを前記ベントラインを介して前記排気ラインに流すことであって、前記ベントラインは前記第一のガス源と流体連通する、流すことと、
前記反応チャンバが前記反応チャンバの所望の圧力レベルを維持するように、前記第二のガスを前記排気ラインに前記流すことを前記減少又は停止させることのうちの少なくとも一つに応答して、前記第二のガスを前記反応チャンバに流すことと、
前記ベントラインに連結された圧力モニタを介して、ベントライン圧力を監視することと、
前記圧力モニタによって検出される前記ベントライン圧力に基づいて、前記ベントラインに連結されたベントラインコンダクタンス制御バルブを調整することと、を含む、方法。 - 前記反応チャンバへ前記第一のガスを流すことを前記停止させることが起こる間に、前記排気ラインへ前記第二のガスを流すことを前記減少又は停止させることのうちの少なくとも一つが起こる、請求項10に記載の方法。
- 前記第一のガスを前記排気ラインへ前記流すことが起こる間に、前記第二のガスを前記反応チャンバへ前記流すことが起こる、請求項11に記載の方法。
- 前記第一のガス源から前記反応チャンバへ前記第一のガスを前記流すことが、第一のガス主ラインと第一のガス分岐ラインとを備える第一のガス供給経路を通って前記第一のガスを流すことを含み、ここで前記第一のガス主ラインは前記反応チャンバと流体連通し、前記第一のガス分岐ラインは前記ベントラインと流体連通し、
前記反応チャンバへ前記第一のガスを流すことを前記停止させることが、前記第一のガス分岐ラインの下流の前記第一のガス主ラインに連結された第一の主ラインバルブを閉じることに応答して起こり、
前記第一のガスを前記ベントラインを介して前記排気ラインへ前記流すことが、前記第一のガス分岐ラインに連結された第一の分岐ラインバルブを開くことに応答して起こる、請求項12に記載の方法。 - 前記第二のガス源から前記ベントラインを介して前記排気ラインへ前記第二のガスを前記流すことが、第二のガス主ラインと第二のガス分岐ラインとを備える第二のガス供給経路を通って前記第二のガスを流すことを含み、ここで前記第二のガス主ラインは前記反応チャンバと流体連通し、前記第二のガス分岐ラインは前記ベントラインと流体連通し、
前記排気ラインへ前記第二のガスを流すことを前記減少又は停止させることのうちの少なくとも一つが、前記第二のガス分岐ラインに連結された第二の分岐ラインバルブを少なくとも部分的に閉じることに応答して起こり、
前記第二のガスを前記反応チャンバに前記流すことが、前記第二のガス分岐ラインの下流の前記第二のガス主ラインに連結された第二の主ラインバルブを少なくとも部分的に開くことに応答して起こる、請求項13に記載の方法。 - 前記ベントライン圧力の減少を検出することと、
前記ベントラインコンダクタンス制御バルブのバルブ位置をより開いて前記ベントラインを通る流れをより多くすることを含む、前記ベントラインコンダクタンス制御バルブを前記調整することと、
前記ベントライン圧力の増加を検出することと、
前記ベントラインコンダクタンス制御バルブのバルブ位置をより閉じて前記ベントラインを通る流れをより少なくすることを含む、前記ベントラインコンダクタンス制御バルブを前記調整することと、のうちの少なくとも一つをさらに含む、請求項10に記載の方法。 - 前記ベントライン圧力の前記減少を前記検出すること、及び前記ベントライン圧力の前記増加を前記検出することのうちの少なくとも一つが、前記反応チャンバの反応チャンバ圧力に対する前記ベントライン圧力の差を検出することを含む、請求項15に記載の方法。
- 前記ベントラインコンダクタンス制御バルブを前記調整することが、前記ベントライン圧力の前記反応チャンバ圧力との差をより小さくする、請求項16に記載の方法。
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| TW202135206A (zh) | 2021-09-16 |
| CN113151810A (zh) | 2021-07-23 |
| US20210230746A1 (en) | 2021-07-29 |
| JP2021118355A (ja) | 2021-08-10 |
| TWI900518B (zh) | 2025-10-11 |
| KR20210095798A (ko) | 2021-08-03 |
| JP2025168497A (ja) | 2025-11-07 |
| TW202549016A (zh) | 2025-12-16 |
| US12098460B2 (en) | 2024-09-24 |
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