JP2020516079A - シリコン間隙充填のための二段階プロセス - Google Patents
シリコン間隙充填のための二段階プロセス Download PDFInfo
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- JP2020516079A JP2020516079A JP2019554385A JP2019554385A JP2020516079A JP 2020516079 A JP2020516079 A JP 2020516079A JP 2019554385 A JP2019554385 A JP 2019554385A JP 2019554385 A JP2019554385 A JP 2019554385A JP 2020516079 A JP2020516079 A JP 2020516079A
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- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- H01L21/02263—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase
- H01L21/02271—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
- H01L21/02274—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition in the presence of a plasma [PECVD]
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- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02296—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer
- H01L21/02318—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment
- H01L21/02337—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment treatment by exposure to a gas or vapour
- H01L21/0234—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment treatment by exposure to a gas or vapour treatment by exposure to a plasma
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- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02296—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer
- H01L21/02318—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment
- H01L21/02345—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment treatment by exposure to radiation, e.g. visible light
- H01L21/02348—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment treatment by exposure to radiation, e.g. visible light treatment by exposure to UV light
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- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
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Abstract
Description
Claims (15)
- 処理方法において、
基板表面から底面までの深さにわたって延びる少なくとも1つの特徴を有する前記基板表面を提供することであって、前記少なくとも1つの特徴が第1の側壁及び第2の側壁によって画成された幅を有する、提供すること;
前記基板表面、並びに前記少なくとも1つの特徴の前記第1の側壁、前記第2の側壁、及び前記底面に流動性膜を形成することであって、前記流動性膜が実質的に継ぎ目を形成することなく前記特徴を埋める、形成すること;及び
前記流動性膜を処理してSi−X膜を形成することであって、XがN、O、又はCのうちの1つ以上である、形成すること;及び
前記Si−X膜を硬化して前記膜を固化させ、実質的に継ぎ目のない間隙充填を形成すること
を含む、処理方法。 - 前記流動性膜を形成することが、プラズマ化学気相堆積(PECVD)を含む、請求項1に記載の処理方法。
- 前記PECVDがポリシリコン前駆体を含み、プラズマがプラズマガスを含む、請求項2に記載の処理方法。
- 前記ポリシリコン前駆体が、ジシラン、トリシラン、テトラシラン、ネオペンタシラン、又はシクロヘキサシランのうちの1つ以上を含む、請求項3に記載の処理方法。
- 前記プラズマガスが、He、Ar、Kr、H2、N2、O2、O3、又はNH3のうちの1つ以上を含む、請求項3に記載の処理方法。
- 前記プラズマが約300W未満のパワーを有する、請求項5に記載の処理方法。
- 前記プラズマが直接プラズマである、請求項5に記載の処理方法。
- 前記流動性膜を形成することが約100℃未満の温度で行われる、請求項1に記載の処理方法。
- 前記流動性膜を硬化することがUV硬化を含む、請求項1に記載の処理方法。
- 前記UV硬化が約10℃から約550℃の範囲の温度で行われる、請求項9に記載の処理方法。
- 前記流動性膜を硬化させることが、前記流動性膜を前記PECVDプラズマとは別のプラズマ及び/又は電子ビームに曝露することを含む、請求項1に記載の処理方法。
- 前記流動性膜が、SiN、SiO、SiC、SiOC、SiON、SiCONのうちの1つ以上を含む、請求項3に記載の処理方法。
- 前記PECVDが、プロピレン、アセチレン、アンモニア、酸素、オゾン、又は水のうちの1つ以上をさらに含む、請求項12に記載の処理方法。
- 前記流動性膜を処理することが、前記流動性膜を、後処理プラズマ及び後処理化学物質を含む後処理プロセスに曝露することを含む、請求項3に記載の処理方法。
- 前記後処理化学物質が、NH3、N2O、N2、O3、O2、又はCxHyのうちの1つ以上を含み、ここで、y=2x+2又は2xである、請求項14に記載の処理方法。
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PCT/US2018/026023 WO2018187429A1 (en) | 2017-04-04 | 2018-04-04 | Two-step process for silicon gapfill |
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WO2022138155A1 (ja) * | 2020-12-22 | 2022-06-30 | 東京エレクトロン株式会社 | 絶縁膜の形成方法及び処理装置 |
KR20230130059A (ko) | 2021-01-20 | 2023-09-11 | 도쿄엘렉트론가부시키가이샤 | 실리콘 함유막의 형성 방법 및 성막 장치 |
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US11495452B2 (en) * | 2019-03-06 | 2022-11-08 | Tohku University | Method for producing silicon nitride film |
WO2020251882A1 (en) * | 2019-06-08 | 2020-12-17 | Applied Materials, Inc. | Low deposition rates for flowable pecvd |
TW202117802A (zh) * | 2019-07-02 | 2021-05-01 | 美商應用材料股份有限公司 | 固化介電質材料的方法與設備 |
KR102617960B1 (ko) | 2019-08-12 | 2023-12-26 | 삼성전자주식회사 | 2-스텝 갭-필 공정을 이용하여 반도체 소자를 형성하는 방법 |
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