JP7282130B2 - マルチステーション型堆積システムにおける膜厚整合のための、サイクル及び時間が可変のrf活性化方法 - Google Patents
マルチステーション型堆積システムにおける膜厚整合のための、サイクル及び時間が可変のrf活性化方法 Download PDFInfo
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Description
1 第1の前駆体への基板表面の暴露
2 基板が中に配置されている反応チャンバのパージ
3 通常はプラズマ及び/又は第2の前駆体による、基板表面の反応の活性化
4 基板が中に配置されている反応チャンバのパージ
Claims (21)
- マルチステーション型堆積装置の別々のステーションの中で並行して処理される少なくとも2つの基板上に材料を堆積させる方法であって、
(a)前記マルチステーション型堆積装置において、第1のステーションの中に第1の基板を提供し、また、第2のステーションの中に第2の基板を提供し、
(b)前記第1のステーションの中の前記第1の基板上と前記第2のステーションの中の前記第2の基板上とに並行して前記材料を堆積させ、前記第1のステーションの中の堆積条件と前記第2のステーションの中の堆積条件とは、(i)前記第1の基板をプラズマに暴露し、前記第2の基板をプラズマに暴露することを含み、(ii)実質的に同じであるが、前記第2の基板上の層よりも厚い前記材料の層を前記第1の基板上に形成し、
(c)前記第1の基板をプラズマに暴露しないことによって前記第1の基板上への前記材料の前記堆積が停止される調節された条件下で、同時に前記第1の基板が前記第1のステーションにある間に、前記(b)における前記堆積条件下で前記第2のステーションの中の前記第2の基板上に前記材料を堆積させ、前記(b)及び前記(c)の後は、前記第1の基板上に堆積される前記材料の全厚さと前記第2の基板上に堆積される前記材料の全厚さとが実質的に等しくなる、
ことを備える方法。 - 請求項1に記載の方法であって、
前記(b)における前記堆積条件は、前記第1の基板と前記第2の基板とを前駆体に暴露することを含み
前記(c)における前記調節された条件は、前記第1の基板を前記前駆体に暴露することを含む、方法。 - 請求項1に記載の方法であって、
前記(b)における前記堆積条件は、前記第1の基板と前記第2の基板とを前駆体に暴露することを含み、
前記(c)における前記調節された条件は、前記第1の基板を前記前駆体に暴露することを含まない、方法。 - 請求項1に記載の方法であって、更に、
(d)前記(b)の後に、前記第1のステーションの中の前記堆積条件を、前記第1の基板上に前記材料を堆積させることが停止される前記調節された条件に調節することを含む、方法。 - 請求項1に記載の方法であって、
前記(b)における前記堆積条件下で前記(c)における前記第2の基板上への前記材料の前記堆積は、前記第2の基板を前記プラズマに暴露することを含む、方法。 - 請求項1に記載の方法であって、
前記(c)における前記調節された条件は、前記第1の基板上への前記(b)における前記堆積条件下と実質的に同じガスの流れを含む、方法。 - 請求項1に記載の方法であって、
前記(b)における前記堆積条件は、(i)前記第1の基板上と前記第2の基板上とに前駆体を吸収させるために、前駆体を投与し、(ii)前記前駆体の反応を引き起こして前記材料を形成させるために、前記第1の基板と前記第2の基板とを前記プラズマに暴露する、周期的繰り返しを含む、方法。 - 請求項1に記載の方法であって、
前記第1の基板は、前記(b)及び前記(c)の最中に前記第1のステーションから移動しない、方法。 - 請求項1に記載の方法であって、
前記第1のステーションと前記第2のステーションとは、互いに共通の処理チャンバ内に配置される、方法。 - マルチステーション型堆積装置の別々のステーションの中で並行して処理される少なくとも2つの基板上におおよそ等しい厚さの材料を形成するための半導体堆積の方法であって、
(a)前記マルチステーション型堆積装置の、第1のステーションの中に第1の基板を提供し、また、第2のステーションの中に第2の基板を提供し、
(b)N1堆積サイクルを実施し、各N1堆積サイクルは、(i)前記第1のステーションの中の前記第1の基板と前記第2のステーションの中の前記第2の基板とを同時に前駆体に暴露することと、(ii)前記第1の基板をプラズマに暴露することによる前記第1のステーションの中の前記第1の基板上における前記前駆体の反応と、前記第2の基板を前記プラズマに暴露することによる前記第2のステーションの中の前記第2の基板上における前記前駆体の反応とを同時に活性化させることと、を含み、前記N1堆積サイクルを実施することは、前記第1の基板上に全堆積厚さT1の前記材料を形成し、また、前記第2の基板上に全堆積厚さT2Aの前記材料を形成し、前記T1は、前記T2Aよりも大きく、
(c)N2堆積サイクルを実施し、各N2堆積サイクルは、前記第1の基板を前記プラズマに暴露しないことによって前記第1の基板上への前記材料の堆積が停止される調節された条件下で、同時に前記第1の基板が前記第1のステーションにある間に、前記第2のステーションの中の前記第2の基板を前記前駆体に暴露することと、前記第2のステーションの中の前記第2の基板上における前記前駆体の反応を活性化させることと、を含み、前記N2堆積サイクルを実施することは、前記第2の基板上に全体積厚さT2Bの前記材料を形成するが、前記第1の基板上に材料を堆積させず、前記N1及びN2堆積サイクルを実施することは、前記T1に実質的に等しい全堆積厚さT2の前記材料を前記第2の基板上に形成する、
ことを備える方法。 - 請求項10に記載の方法であって、更に、
(d)前記(b)の後に、前記第1のステーションの中の堆積条件を、各N2堆積サイクルの最中に前記第1の基板上への前記材料の堆積が停止される前記調節された条件に調節することを含む、方法。 - 請求項10に記載の方法であって、
各N2堆積サイクルの最中に、前記第1の基板と前記第2の基板とは前記前駆体に同時に暴露される、方法。 - 請求項10に記載の方法であって、
各N2堆積サイクルの最中に、前記第1の基板は前記前駆体に暴露されない、方法。 - 請求項10に記載の方法であって、
各N1堆積サイクルにおける前記活性化は、各ステーションの中にプラズマを独立に提供することを含み、
各N2堆積サイクルにおける前記活性化は、前記第1のステーションにプラズマを提供しない一方で、前記第2のステーションの中にプラズマを独立に提供することを含む、方法。 - 請求項10に記載の方法であって、
前記N1堆積サイクルの各サイクルは、前記第1の基板上に実質的に等しい厚さt1の前記材料の薄膜を堆積させ、前記第2の基板上に実質的に等しい厚さt2の前記材料の薄膜を堆積させることを含み、
前記N2堆積サイクルの各サイクルは、前記第1の基板上に薄膜を堆積させない一方で、前記第2の基板上に実質的に等しい厚さt2の前記材料の薄膜を堆積させることを含む、方法。 - 請求項10に記載の方法であって、
前記第1の基板は、前記(b)及び前記(c)の最中は前記第1のステーションから移動しない、方法。 - マルチステーション型堆積装置であって、
真空システムと、
ガス配送システムと、
少なくとも2つのステーションを含む処理チャンバであって、各ステーションは、前記真空システム及び前記ガス配送システムを共有する、処理チャンバと、
各ステーションの中でプラズマを独立に形成及び維持するように構成されたプラズマ源と、
別々のステーションの中で並行して処理される少なくとも2つの基板上におおよそ等しい厚さの材料を堆積させるために前記マルチステーション型堆積装置を制御するためのコントローラであって、
(a)各ステーションの中でプラズマを独立に形成及び維持し、
(b)前記堆積装置において、第1のステーションの中に第1の基板を提供し、また、第2のステーションの中に第2の基板を提供し、
(c)前記第1のステーションの中の前記第1の基板上と前記第2のステーションの中の前記第2の基板上とに並行して前記材料を堆積させ、前記第1のステーションの中の堆積条件と前記第2のステーションの中の堆積条件は、(i)前記第1の基板を前記プラズマに暴露し、前記第2の基板をプラズマに暴露することを含み、(ii)実質的に同じであるが、前記第2の基板上の前記材料の層よりも厚い前記材料の層を前記第1の基板上に形成し、
(d)前記第1の基板を前記プラズマに暴露しないことによって前記第1の基板上への前記材料の前記堆積が停止される調節された条件下で、同時に前記第1の基板が前記第1のステーションにある間に、前記(c)における前記堆積条件下で前記第2のステーションの中の前記第2の基板上に前記材料を堆積させ、前記(c)及び前記(d)の後は、前記第1の基板上に堆積される前記材料の全厚さと前記第2の基板上に堆積される前記材料の全厚さとが実質的に等しくなるための制御ロジックを含むコントローラと、
を備えるマルチステーション型堆積装置。 - 請求項17に記載のマルチステーション型堆積装置であって、
各ステーションは、該ステーションの中の前記基板上に前記材料の前駆体を分布させるためのシャワーヘッドを含み、
前記ガス配送システムは、各ステーションへの前記材料の前記前駆体の配送を制御するように構成され、
前記(c)における前記堆積は、更に、前記コントローラに前記第1のステーションと前記第2のステーションとに前記前駆体を同時に流させ、
前記(d)における前記堆積は、更に、前記コントローラに前記第1のステーションと前記第2のステーションとに前記前駆体を同時に流させる、マルチステーション型堆積装置。 - 請求項17に記載のマルチステーション型堆積装置であって、
各ステーションは、該ステーションの中の前記基板上に前記材料の前駆体を分布させるためのシャワーヘッドを含み、
前記ガス配送システムは、各ステーションへの前記材料の前記前駆体の配送を制御するように構成され、
前記(c)における前記堆積は、更に、前記コントローラに前記前駆体を前記第1のステーションと前記第2のステーションとに同時に流させ、
前記(d)における前記堆積は、更に、前記コントローラに前記前駆体を前記第2のステーションに流させ、前記第1のステーションに流させない、マルチステーション型堆積装置。 - 請求項17に記載のマルチステーション型堆積装置であって、
前記コントローラは、更に、
(e)前記(c)の後に、前記第1のステーションの中の前記堆積条件を、前記第1の基板上への前記材料の前記堆積が停止される前記調節された条件に調節するための制御ロジックを含む、マルチステーション型堆積装置。 - 請求項17に記載のマルチステーション型堆積装置であって、
前記(c)における前記堆積条件下で前記(d)における前記第2の基板上への前記材料の前記堆積は、前記プラズマに前記第2の基板を暴露することを含む、マルチステーション型堆積装置。
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CN107419238A (zh) | 2017-12-01 |
KR20230027133A (ko) | 2023-02-27 |
CN116083881A (zh) | 2023-05-09 |
TW202401522A (zh) | 2024-01-01 |
KR102610664B1 (ko) | 2023-12-05 |
JP2017199904A (ja) | 2017-11-02 |
KR20230169037A (ko) | 2023-12-15 |
US20220154336A1 (en) | 2022-05-19 |
KR20210113585A (ko) | 2021-09-16 |
TWI817655B (zh) | 2023-10-01 |
SG10201703133PA (en) | 2017-11-29 |
JP2023103367A (ja) | 2023-07-26 |
JP6908426B2 (ja) | 2021-07-28 |
JP2021158386A (ja) | 2021-10-07 |
KR102502272B1 (ko) | 2023-02-20 |
US20170314129A1 (en) | 2017-11-02 |
KR20170124074A (ko) | 2017-11-09 |
TW201802885A (zh) | 2018-01-16 |
KR102302800B1 (ko) | 2021-09-15 |
TW202314806A (zh) | 2023-04-01 |
JP7540043B2 (ja) | 2024-08-26 |
TWI775749B (zh) | 2022-09-01 |
CN116083880A (zh) | 2023-05-09 |
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