JP2017528916A - 空間的原子層堆積におけるガス分離制御 - Google Patents
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- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
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Abstract
Description
Claims (15)
- チャンバ容積を画定する壁を有する処理チャンバであって、サセプタアセンブリ及びガス供給アセンブリを含み、前記ガス供給アセンブリと前記サセプタアセンブリとの間に少なくとも1つの第1の処理領域、及び、前記ガス供給アセンブリと前記サセプタアセンブリとの間に少なくとも1つの第2の処理領域を有し、前記少なくとも1つの第1の処理領域と前記少なくとも1つの第2の処理領域の各々が、ガスカーテンによって分離されている、処理チャンバ、
前記チャンバ容積と流体連通するチャンバ排気システムであって、前記処理チャンバの下流にチャンバ排気スロットルバルブを含む、チャンバ排気システム、
前記少なくとも1つの第1の処理領域と流体連通する第1の排気システムであって、第1のスロットルバルブ及び第1の圧力計を備えた、第1の排気システム、
前記少なくとも1つの第2の処理領域と流体連通する第2の排気システムであって、第2のスロットルバルブ及び第2の圧力計を備えた、第2の排気システム、並びに
前記第1の排気システム及び前記第2の排気システムと通信し、前記第1の圧力計及び前記第2の圧力計からの信号に応答して、前記スロットルバルブを制御する、コントローラを備える、堆積システム。 - 前記第1の圧力計が前記第1のスロットルバルブの下流にあり、前記第2の圧力計が前記第2のスロットルバルブの下流にある、請求項1に記載の堆積システム。
- 前記第1の圧力計が前記第1のスロットルバルブの上流にあり、前記第2の圧力計が前記第2のスロットルバルブの上流にある、請求項1に記載の堆積システム。
- 前記第1の圧力計と前記第2の圧力計が、絶対圧力ゲージである、請求項1に記載の堆積システム。
- 前記コントローラが、前記第1の圧力計に対する前記第2の圧力計によって測定された圧力における差異を決定する、請求項4に記載の堆積システム。
- 前記第1の圧力計が絶対圧力ゲージであり、前記第2の圧力計が差圧計である、請求項1に記載の堆積システム。
- 前記コントローラが、前記第1の処理領域と前記第2の処理領域におけるガスの分離を維持する、請求項1に記載の堆積システム。
- 前記処理チャンバが、前記ガス供給アセンブリと前記サセプタアセンブリとの間に少なくとも1つの第3の処理領域、及び、前記ガス供給アセンブリと前記サセプタアセンブリとの間に少なくとも1つの第4の処理領域を更に含み、前記少なくとも1つの第1の処理領域、前記少なくとも1つの第2の処理領域、前記少なくとも1つの第3の処理領域、及び前記少なくとも1つの第4の処理領域の各々が、ガスカーテンによって分離され、前記処理チャンバが、
前記少なくとも1つの第3の処理領域と流体連通する第3の排気システムであって、第3のスロットルバルブ及び第3の圧力計を備えた、第3の排気システム、並びに
前記少なくとも1つの第4の処理領域と流体連通する第4の排気システムであって、第4のスロットルバルブ及び第4の圧力計を備えた、第4の排気システムを更に備え、
前記コントローラが、前記第1の排気システム、前記第2の排気システム、前記第3の排気システム、及び前記第4の排気システムと通信し、前記第1の圧力計、前記第2の圧力計、前記第3の圧力計、及び前記第4の圧力計からの信号に応答して、前記スロットルバルブを制御する、請求項1に記載の堆積システム。 - 前記第1の圧力計が前記第1のスロットルバルブの下流にあり、前記第2の圧力計が前記第2のスロットルバルブの下流にあり、前記第3の圧力計が前記第3のスロットルバルブの下流にあり、且つ、前記第4の圧力計が前記第4のスロットルバルブの下流にある、請求項8に記載の堆積システム。
- 前記第1の圧力計が前記第1のスロットルバルブの上流にあり、前記第2の圧力計が前記第2のスロットルバルブの上流にあり、前記第3の圧力計が前記第3のスロットルバルブの上流にあり、且つ、前記第4の圧力計が前記第4のスロットルバルブの上流にある、請求項8に記載の堆積システム。
- 前記第1の圧力計、前記第2の圧力計、前記第3の圧力計、及び前記第4の圧力計の各々が、絶対圧力ゲージである、請求項8に記載の堆積システム。
- 前記コントローラが、前記第1の圧力計に対する、前記第2の圧力計、前記第3の圧力計、又は前記第4の圧力計のうちの1以上によって測定された圧力における差異を決定する、請求項11に記載の堆積システム。
- 前記第1の圧力計が、前記第1のスロットルバルブの上流に配置された絶対圧力ゲージであり、前記第2の圧力計、前記第3の圧力計、及び前記第4の圧力計の各々が、前記第1の圧力計に対する圧力差を測定する差圧計である、請求項8に記載の堆積システム。
- 前記第1の圧力計が、前記第1のスロットルバルブの下流に配置された絶対圧力ゲージであり、前記第2の圧力計が、前記第2のスロットルバルブの下流に配置された絶対圧力ゲージであり、前記第3の圧力計が、前記第1の圧力計に対する圧力差を測定する差圧計であり、前記第4の圧力計が、前記第2の圧力計に対する圧力差を測定する差圧計である、請求項8に記載の堆積システム。
- チャンバ容積を画定する壁を有する処理チャンバであって、サセプタアセンブリ及びガス供給アセンブリを含み、少なくとも1つの第1の処理領域、少なくとも1つの第2の処理領域、少なくとも1つの第3の処理領域、及び少なくとも1つの第4の処理領域を有し、前記処理領域の各々が、前記ガス供給アセンブリと前記サセプタアセンブリとの間に配置され、前記処理領域の各々が、ガスカーテンによって隣接する処理領域から分離されている、処理チャンバ、
前記チャンバ容積と流体連通するチャンバ排気システムであって、前記処理チャンバの下流にチャンバ排気スロットルバルブを含む、チャンバ排気システム、
前記少なくとも1つの第1の処理領域と流体連通する第1の排気システムであって、第1のスロットルバルブ及び第1の圧力計を備えた、第1の排気システム、
前記少なくとも1つの第2の処理領域と流体連通する第2の排気システムであって、第2のスロットルバルブ及び第2の圧力計を備えた、第2の排気システム、
前記少なくとも1つの第3の処理領域と流体連通する第3の排気システムであって、第3のスロットルバルブ及び第3の圧力計を備えた、第3の排気システム、
前記少なくとも1つの第4の処理領域と流体連通する第4の排気システムであって、第4のスロットルバルブ及び第4の圧力計を備えた、第4の排気システム、並びに
前記第1の排気システム、前記第2の排気システム、前記第3の排気システム、及び前記第4の排気システムと通信し、前記第1の圧力計からの信号に応答して、前記第1のスロットルバルブを制御し、前記第2の圧力計からの信号に応答して、前記第2のスロットルバルブを制御し、前記第3の圧力計からの信号に応答して、前記第3のスロットルバルブを制御し、前記第4の圧力計からの信号に応答して、前記第4のスロットルバルブを制御する、コントローラを備え、
前記第1の圧力計が、前記第1のスロットルバルブの下流に配置された絶対圧力ゲージであり、前記第2の圧力計が、前記第2のスロットルバルブの下流に配置された絶対圧力ゲージであり、前記第3の圧力計が、前記第1の圧力計に対する圧力差を測定する差圧計であり、前記第4の圧力計が、前記第2の圧力計に対する圧力差を測定する差圧計である、堆積システム。
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