JP7638766B2 - 成膜方法及び処理装置 - Google Patents
成膜方法及び処理装置 Download PDFInfo
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Description
図1を参照し、実施形態の処理装置の一例について説明する。
図2~図4を参照し、実施形態の成膜方法について、前述の処理装置100により実施される場合を例に挙げて説明する。ただし、実施形態の成膜方法は、前述の処理装置100とは異なる装置によっても実施可能である。
図5を参照し、実施形態の成膜方法によって形成されるB-Si膜が適用例について説明する。図5は、B-Si膜が用いられる半導体装置の製造工程の一部を示す図であり、DRAM(Dynamic Random Access Memory)の製造工程の一部を示す。
まず、実施形態の成膜方法により形成したB-Si膜の密着性を評価した実施例について説明する。実施例では、表面にSiN膜が形成されたシリコンウエハ及び表面にSiCN膜が形成されたシリコンウエハを準備した。次いで、前述の処理装置100により、SiN膜、SiCN膜の上にBN膜及びB-Si膜を真空雰囲気下で連続して形成した。次いで、B-Si膜が形成されたシリコンウエハを550℃で30分間、熱処理した。
NH3ガス流量:100sccm
成膜温度:300℃
処理室内圧力:0.5Torr(66.7Pa)
膜厚:20nm
SiH4ガス流量:666sccm
成膜温度:250℃
処理室内圧力:0.5Torr(66.7Pa)
膜厚:580nm
130 処理ガス供給部
150 制御部
S 処理室
Claims (8)
- ホウ素含有ガスと窒素含有ガスと水素ガスとを含む第1処理ガスを基板に供給し、前記基板の上に窒化ホウ素膜を形成する工程と、
前記ホウ素含有ガスとシリコン含有ガスと水素ガスとを含む第2処理ガスを前記基板に供給し、前記窒化ホウ素膜の上にホウ素含有シリコン膜を形成する工程と、
を有する、成膜方法。 - 前記窒化ホウ素膜を形成する工程及び前記ホウ素含有シリコン膜を形成する工程は、真空雰囲気下で連続して行われる、
請求項1に記載の成膜方法。 - 前記窒化ホウ素膜を形成する工程及び前記ホウ素含有シリコン膜を形成する工程は、同じ処理室で連続して行われる、
請求項1又は2に記載の成膜方法。 - 前記ホウ素含有ガスは、B 2 H 6 ガスであり、
前記窒素含有ガスは、NH 3 ガスである、
請求項1乃至3のいずれか一項に記載の成膜方法。 - 前記ホウ素含有ガスは、B 2 H 6 ガスであり、
前記シリコン含有ガスは、SiH 4 ガスである、
請求項1乃至4のいずれか一項に記載の成膜方法。 - 前記窒化ホウ素膜を形成する工程の前に、表面にSiN膜又はSiCN膜が形成された前記基板を準備する工程を有する、
請求項1乃至5のいずれか一項に記載の成膜方法。 - 前記窒化ホウ素膜は、前記基板を250℃~400℃に加熱した状態で成膜される、
請求項1乃至6のいずれか一項に記載の成膜方法。 - 基板を処理する処理室と、
前記処理室に処理ガスを供給する処理ガス供給部と、
制御部と、
を備え、
前記制御部は、
ホウ素含有ガスと窒素含有ガスと水素ガスとを含む第1処理ガスを前記処理室内に供給し、前記処理室に収容された前記基板の上に窒化ホウ素膜を形成する工程と、
前記ホウ素含有ガスとシリコン含有ガスと水素ガスとを含む第2処理ガスを前記処理室内に供給し、前記窒化ホウ素膜の上にホウ素含有シリコン膜を形成する工程と、
を実行するように前記処理ガス供給部を制御するよう構成される、
処理装置。
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| Application Number | Priority Date | Filing Date | Title |
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| JP2021063969A JP7638766B2 (ja) | 2021-04-05 | 2021-04-05 | 成膜方法及び処理装置 |
| US17/656,324 US12112943B2 (en) | 2021-04-05 | 2022-03-24 | Method for forming film and processing apparatus |
| KR1020220036468A KR20220138335A (ko) | 2021-04-05 | 2022-03-24 | 성막 방법 및 처리 장치 |
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| JP2021063969A JP7638766B2 (ja) | 2021-04-05 | 2021-04-05 | 成膜方法及び処理装置 |
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| JP2022159644A JP2022159644A (ja) | 2022-10-18 |
| JP7638766B2 true JP7638766B2 (ja) | 2025-03-04 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150243740A1 (en) | 2014-02-24 | 2015-08-27 | International Business Machines Corporation | Boron rich nitride cap for total ionizing dose mitigation in soi devices |
| JP2017210640A (ja) | 2016-05-24 | 2017-11-30 | 東京エレクトロン株式会社 | カーボン膜の成膜方法および成膜装置 |
| JP2018056345A (ja) | 2016-09-29 | 2018-04-05 | 東京エレクトロン株式会社 | ハードマスクおよびその製造方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8563090B2 (en) * | 2008-10-16 | 2013-10-22 | Applied Materials, Inc. | Boron film interface engineering |
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- 2022-03-24 KR KR1020220036468A patent/KR20220138335A/ko active Pending
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150243740A1 (en) | 2014-02-24 | 2015-08-27 | International Business Machines Corporation | Boron rich nitride cap for total ionizing dose mitigation in soi devices |
| JP2017210640A (ja) | 2016-05-24 | 2017-11-30 | 東京エレクトロン株式会社 | カーボン膜の成膜方法および成膜装置 |
| JP2018056345A (ja) | 2016-09-29 | 2018-04-05 | 東京エレクトロン株式会社 | ハードマスクおよびその製造方法 |
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| US20220319843A1 (en) | 2022-10-06 |
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| US12112943B2 (en) | 2024-10-08 |
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