JP7413285B2 - 堆積チャンバへのプロセス材料の流れを制御するための装置及び方法 - Google Patents
堆積チャンバへのプロセス材料の流れを制御するための装置及び方法 Download PDFInfo
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- JP7413285B2 JP7413285B2 JP2020569930A JP2020569930A JP7413285B2 JP 7413285 B2 JP7413285 B2 JP 7413285B2 JP 2020569930 A JP2020569930 A JP 2020569930A JP 2020569930 A JP2020569930 A JP 2020569930A JP 7413285 B2 JP7413285 B2 JP 7413285B2
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- C—CHEMISTRY; METALLURGY
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Description
Claims (14)
- 堆積チャンバへのプロセス材料の流れを制御するための装置であって、
1以上の供給ラインを介して1以上の昇華器に流体連通する堆積チャンバを備え、前記1以上の昇華器は、それぞれ、側壁内に設けられた開口部を介して前記1以上の供給ラインに流体連通するアンプルを備え、前記アンプルは、少なくとも、複数の第1の加熱器を含む第1の温度区域と複数の第2の加熱器を含む第2の温度区域とを含み、前記第1の温度区域は、前記アンプルの側壁の下部を囲む前記複数の第1の加熱器を含むことによりそれぞれの昇華器の下部に対応し、前記第2の温度区域は、前記アンプルの前記側壁の上部を囲み、かつ前記開口部および前記アンプルの上板に隣接して配置された前記複数の第2の加熱器を含むことによりそれぞれの昇華器の上部に対応し、前記第2の温度区域の温度は前記第1の温度区域の温度よりも高く、
前記1以上の供給ラインは、前記堆積チャンバと前記1以上の昇華器との間に1以上の導管を備え、前記1以上の導管は、前記1以上の導管を開閉するための1以上の弁を備え、開位置にある前記1以上の弁は、プロセス材料が前記1以上の供給ライン内に存在するときに、プロセス材料の前記堆積チャンバの中への流れを防止し、閉位置にある前記1以上の弁は、プロセス材料が前記1以上の供給ライン内に存在するときに、プロセス材料の前記堆積チャンバの中への流れを導く、装置。 - 前記第2の加熱器は、1以上の赤外線(IR)輻射熱源又は広帯域輻射熱源を備える、請求項1に記載の装置。
- 前記第1の加熱器は、前記アンプル内に存在するときにプロセス材料を第1の温度まで加熱するように構成され、前記第2の加熱器は、前記プロセス材料を前記第1の温度より高い第2の温度まで加熱するように構成されている、請求項1または2に記載の装置。
- 前記堆積チャンバは、前記堆積チャンバの下流に排気経路を備える、請求項1から3のいずれか一項に記載の装置。
- 前記排気経路は、第1の排気流路と第2の排気流路に分岐する、請求項4に記載の装置。
- 前記第1の排気流路が圧力弁を備え、前記第2の排気流路がスロットル弁を備える、請求項5に記載の装置。
- 前記1以上の導管は、前記スロットル弁の下流の第1の接合部において前記第2の排気流路の中に連結する、請求項6に記載の装置。
- 第1のポンプが、前記第1の接合部の下流にある、請求項7に記載の装置。
- 前記第1の排気流路と前記第2の排気流路が、前記圧力弁と前記第1のポンプの下流の第2の接合部で合流する、請求項8に記載の装置。
- 第2のポンプが、前記第2の接合部の下流にある、請求項9に記載の装置。
- 前記第1の加熱器が放射熱源を備え、前記第2の加熱器が赤外線(IR)輻射熱源又は広帯域輻射熱源を備え、前記放射熱源と前記赤外線(IR)輻射熱源又は前記広帯域輻射熱源とが異なる熱区域にある、請求項1から10のいずれか一項に記載の装置。
- 堆積チャンバへのプロセス材料の流れを制御するための方法であって、
1以上の昇華器内の1以上の前駆体材料を昇華させて、1以上の蒸気前駆体を生成することであって、前記1以上の昇華器は、それぞれ、側壁内に設けられた開口部を介して1以上の供給ラインに流体連通するアンプルを備え、前記アンプルは、少なくとも、複数の第1の加熱器を含む第1の温度区域と複数の第2の加熱器を含む第2の温度区域とを含み、前記第1の温度区域は、前記アンプルの側壁の下部を囲む前記複数の第1の加熱器を含むことによりそれぞれの昇華器の下部に対応し、前記第2の温度区域は、前記アンプルの前記側壁の上部を囲み、かつ前記開口部および前記アンプルの上板に隣接して配置された前記複数の第2の加熱器を含むことによりそれぞれの昇華器の上部に対応し、前記第2の温度区域の温度は前記第1の温度区域の温度よりも高い、1以上の蒸気前駆体を生成すること、
堆積チャンバに流体連通した1以上の供給ラインを通して前記1以上の蒸気前駆体を流すことであって、前記1以上の供給ラインは、前記堆積チャンバと前記1以上の昇華器との間の接合部において1以上の導管に連結される、1以上の蒸気前駆体を流すこと、並びに
前駆体材料の前記1以上の昇華器から前記堆積チャンバへの流れを制御するように、前記1以上の導管内の1以上の弁を設定することを含む、方法。 - 1以上の弁を開位置に設定することが、前記堆積チャンバの中へのプロセス材料の前記流れを防止し、1以上の弁を閉位置に設定することが、前記堆積チャンバの中へのプロセス材料の前記流れを導く、請求項12に記載の方法。
- 指示命令を記憶した非一過性のコンピュータ可読媒体であって、前記指示命令は、実行されると、堆積チャンバへのプロセス材料の流れを制御するための方法をもたらし、前記方法が、
1以上の昇華器内の1以上の前駆体材料を昇華させて、1以上の蒸気前駆体を生成することであって、前記1以上の昇華器は、それぞれ、側壁内に設けられた開口部を介して1以上の供給ラインに流体連通するアンプルを備え、前記アンプルは、少なくとも、複数の第1の加熱器を含む第1の温度区域と複数の第2の加熱器を含む第2の温度区域とを含み、前記第1の温度区域は、前記アンプルの側壁の下部を囲む前記複数の第1の加熱器を含むことによりそれぞれの昇華器の下部に対応し、前記第2の温度区域は、前記アンプルの前記側壁の上部を囲み、かつ前記開口部および前記アンプルの上板に隣接して配置された前記複数の第2の加熱器を含むことによりそれぞれの昇華器の上部に対応し、前記第2の温度区域の温度は前記第1の温度区域の温度よりも高い、1以上の蒸気前駆体を生成すること、
堆積チャンバに流体連通した1以上の供給ラインを通して前記1以上の蒸気前駆体を流すことであって、前記1以上の供給ラインは、前記堆積チャンバと前記1以上の昇華器との間の接合部において1以上の導管に連結される、1以上の蒸気前駆体を流すこと、並びに
前駆体材料の前記1以上の昇華器から前記堆積チャンバへの流れを制御するように、前記1以上の導管内の1以上の弁を設定することを含む、コンピュータ可読媒体。
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JP2021527338A (ja) | 2021-10-11 |
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US11393703B2 (en) | 2022-07-19 |
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