JP7616771B2 - アモルファスシリコン膜の結晶化方法 - Google Patents
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Description
前記アモルファスシリコン膜を前記第1の温度よりも高い第2の温度で加熱して前記アモルファスシリコン膜の表層のシリコンを凝集させ、前記表層に結晶核を形成する工程と、を有し、前記結晶核を形成する工程は、前記アモルファスシリコン膜の表層から真空排気で水素を脱離させ、水素濃度の低い膜を形成することを含む。
図6は、本開示の実施形態に係るアモルファスシリコン膜の結晶化方法を本実施形態に係る成膜装置で実施した実施例を示した図である。
19 ヒーター
21、31 ガス導入管
23A~23C、32 ガス供給源
24A~24C、33 ガス供給機構
27 バルブ
30 制御部
40 シリコン酸化膜
50 シード層
60、62、65 アモルファスシリコン膜
61 結晶核
W ウエハ
Claims (6)
- 基板上に形成されたシード層上にアモルファスシリコン膜を第1の温度で加熱しながら形成する工程と、
前記アモルファスシリコン膜を前記第1の温度よりも高い第2の温度で加熱して前記アモルファスシリコン膜の表層のシリコンを凝集させ、前記表層に結晶核を形成する工程と、を有し、
前記結晶核を形成する工程は、前記アモルファスシリコン膜の表層から真空排気で水素を脱離させ、水素濃度の低い膜を形成することを含む、
アモルファスシリコン膜の結晶化方法。 - 前記第1の温度は440℃以上530℃未満の範囲内であり、
前記第2の温度は550℃以上600℃未満の範囲内である請求項1に記載のアモルファスシリコン膜の結晶化方法。 - 前記結晶核を形成する工程は、560℃以上580℃以下の温度で行われる請求項2に記載のアモルファスシリコン膜の結晶化方法。
- 前記アモルファスシリコン膜を形成する工程の前に、前記基板上にシリコンからなる前記シード層を形成する工程を更に有する請求項1乃至3のいずれか一項に記載のアモルファスシリコン膜の結晶化方法。
- 前記結晶核を形成する工程の後に、前記第2の温度よりも高い第3の温度で前記アモルファスシリコン膜をアニールする工程を更に有する請求項1乃至4のいずれか一項に記載のアモルファスシリコン膜の結晶化方法。
- 前記第3の温度は、650℃以上750℃以下の温度である請求項5に記載のアモルファスシリコン膜の結晶化方法。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2021064988A JP7616771B2 (ja) | 2021-04-06 | 2021-04-06 | アモルファスシリコン膜の結晶化方法 |
| US17/655,247 US12112947B2 (en) | 2021-04-06 | 2022-03-17 | Method of crystallizing amorphous silicon film and deposition apparatus |
| KR1020220037016A KR102935311B1 (ko) | 2021-04-06 | 2022-03-25 | 아몰퍼스 실리콘막의 결정화 방법 및 성막 장치 |
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| JP2021064988A JP7616771B2 (ja) | 2021-04-06 | 2021-04-06 | アモルファスシリコン膜の結晶化方法 |
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| JP2022160318A JP2022160318A (ja) | 2022-10-19 |
| JP7616771B2 true JP7616771B2 (ja) | 2025-01-17 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070105305A1 (en) | 2003-03-17 | 2007-05-10 | Shuo Gu | Method to form large grain size polysilicon films by nuclei-induced solid phase crystallization |
| JP2015115435A (ja) | 2013-12-11 | 2015-06-22 | 東京エレクトロン株式会社 | アモルファスシリコンの結晶化方法、結晶化シリコン膜の成膜方法、半導体装置の製造方法および成膜装置 |
| JP2019121620A (ja) | 2017-12-28 | 2019-07-22 | 株式会社Kokusai Electric | 半導体装置の製造方法、基板処理装置、およびプログラム |
| JP2020087993A (ja) | 2018-11-16 | 2020-06-04 | 東京エレクトロン株式会社 | ポリシリコン膜の形成方法及び成膜装置 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH07142405A (ja) * | 1993-11-19 | 1995-06-02 | Sanyo Electric Co Ltd | 多結晶半導体膜およびその成膜方法 |
| JPH09232529A (ja) * | 1996-02-21 | 1997-09-05 | Mitsubishi Electric Corp | 半導体記憶装置およびその製造方法 |
| JP2795316B2 (ja) * | 1996-05-21 | 1998-09-10 | 日本電気株式会社 | 半導体装置の製造方法 |
| JP3727449B2 (ja) * | 1997-09-30 | 2005-12-14 | シャープ株式会社 | 半導体ナノ結晶の製造方法 |
| JP4376979B2 (ja) * | 1998-01-12 | 2009-12-02 | 株式会社半導体エネルギー研究所 | 半導体装置の作製方法 |
| JP4876306B2 (ja) * | 2000-10-19 | 2012-02-15 | ソニー株式会社 | 半導体装置の製造方法 |
| JP2006237270A (ja) * | 2005-02-24 | 2006-09-07 | Sony Corp | 薄膜半導体装置及びその製造方法と表示装置 |
| JP2011187609A (ja) * | 2010-03-08 | 2011-09-22 | Seiko Epson Corp | 半導体装置の製造方法、電気光学装置、電子機器 |
| JP2011216759A (ja) * | 2010-04-01 | 2011-10-27 | Seiko Epson Corp | 結晶化シリコン層の製造方法、半導体装置の製造方法、電気光学装置の製造方法、半導体装置、電気光学装置および投射型表示装置 |
| JP6082712B2 (ja) | 2013-07-31 | 2017-02-15 | 東京エレクトロン株式会社 | シリコン膜の成膜方法および薄膜の成膜方法 |
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- 2021-04-06 JP JP2021064988A patent/JP7616771B2/ja active Active
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2022
- 2022-03-17 US US17/655,247 patent/US12112947B2/en active Active
- 2022-03-25 KR KR1020220037016A patent/KR102935311B1/ko active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070105305A1 (en) | 2003-03-17 | 2007-05-10 | Shuo Gu | Method to form large grain size polysilicon films by nuclei-induced solid phase crystallization |
| JP2015115435A (ja) | 2013-12-11 | 2015-06-22 | 東京エレクトロン株式会社 | アモルファスシリコンの結晶化方法、結晶化シリコン膜の成膜方法、半導体装置の製造方法および成膜装置 |
| JP2019121620A (ja) | 2017-12-28 | 2019-07-22 | 株式会社Kokusai Electric | 半導体装置の製造方法、基板処理装置、およびプログラム |
| JP2020087993A (ja) | 2018-11-16 | 2020-06-04 | 東京エレクトロン株式会社 | ポリシリコン膜の形成方法及び成膜装置 |
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| Publication number | Publication date |
|---|---|
| JP2022160318A (ja) | 2022-10-19 |
| US20220319846A1 (en) | 2022-10-06 |
| KR20220138805A (ko) | 2022-10-13 |
| KR102935311B1 (ko) | 2026-03-09 |
| US12112947B2 (en) | 2024-10-08 |
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