JP2021166250A - クリーニング方法およびプラズマ処理装置 - Google Patents
クリーニング方法およびプラズマ処理装置 Download PDFInfo
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- 239000000758 substrate Substances 0.000 claims abstract description 15
- 238000009832 plasma treatment Methods 0.000 claims description 12
- 239000007789 gas Substances 0.000 description 121
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- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
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- 229910021529 ammonia Inorganic materials 0.000 description 1
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- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
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- QKCGXXHCELUCKW-UHFFFAOYSA-N n-[4-[4-(dinaphthalen-2-ylamino)phenyl]phenyl]-n-naphthalen-2-ylnaphthalen-2-amine Chemical compound C1=CC=CC2=CC(N(C=3C=CC(=CC=3)C=3C=CC(=CC=3)N(C=3C=C4C=CC=CC4=CC=3)C=3C=C4C=CC=CC4=CC=3)C3=CC4=CC=CC=C4C=C3)=CC=C21 QKCGXXHCELUCKW-UHFFFAOYSA-N 0.000 description 1
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- -1 polytetrafluoroethylene Polymers 0.000 description 1
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- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
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- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
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Abstract
Description
実施形態に係るクリーニング方法が実行されるプラズマ処理装置100について図1を参照し説明する。図1は、実施形態に係るプラズマ処理装置100の概略構成を示す図である。
次に、実施形態に係る成膜生成処理について図5を参照し説明する。図5は、実施形態に係る成膜生成処理の一例を示すフローチャートである。
中央に配置されたマイクロ波放射機構143のマイクロ波電力:0〜500W
周囲に配置されたマイクロ波放射機構143のマイクロ波電力:400〜1000W
処理容器101内の圧力:1〜200Pa
ウエハWの温度:300〜600℃
Ar(He)ガス:0.1〜1000sccm
N2ガス:0〜50sccm(0sccm時、N2ガスは未使用)
SiH4ガス:10〜100sccm
NH3ガス:10〜300sccm
中央に配置されたマイクロ波放射機構143のマイクロ波電力:0〜500W
周囲に配置されたマイクロ波放射機構143のマイクロ波電力:400〜1000W
処理容器101内の圧力:1〜200Pa
ウエハWの温度:300〜600℃
Ar(He)ガス:0.1〜1000sccm
N2ガス:0〜50sccm(0sccm時、N2ガスは未使用)
SiN4:30〜200sccm
NH3:0.1〜300sccm
中央に配置されたマイクロ波放射機構143のマイクロ波電力:0〜500W
周囲に配置されたマイクロ波放射機構143のマイクロ波電力:400〜1000W
処理容器101内の圧力:1〜200Pa
ウエハWの温度:300〜600℃
Ar(He)ガス:0.1〜1000sccm
N2ガス:0.1〜50sccm
NF3ガス:500〜2000sccm
101 処理容器
103 ガス供給機構
105 マイクロ波導入装置
106 制御部
200 プラズマ生成領域
201 拡散領域
Claims (8)
- 基板にプラズマ処理を行うプラズマ処理装置のクリーニング方法であって、
プラズマ生成領域と拡散領域とを有する処理空間が形成される処理容器内に成膜ガスを供給しつつ、プラズマを発生させて前記プラズマ生成領域に保護膜を形成する保護膜生成工程と、
前記処理容器内にクリーニングガスを供給しつつ、プラズマを発生させて前記保護膜が形成された前記処理容器内をクリーニングするクリーニング工程と
を含むクリーニング方法。 - 前記保護膜生成工程は、前記基板に前記プラズマ処理が行われた後に、前記保護膜を形成する
請求項1に記載のクリーニング方法。 - 前記保護膜生成工程、および前記クリーニング工程は、繰り返し行われる
請求項1または2に記載のクリーニング方法。 - 前記保護膜生成工程は、前記保護膜を前記プラズマ生成領域に選択的に形成する
請求項1〜3のいずれか1つに記載のクリーニング方法。 - 前記保護膜生成工程は、前記基板に対する前記プラズマ処理の積算処理時間に基づいて前記保護膜を形成する
請求項1〜4のいずれか1つに記載のクリーニング方法。 - 前記保護膜生成工程は、前記クリーニング工程におけるプラズマの発光量に基づいて前記保護膜を形成する
請求項1〜4のいずれか1つに記載のクリーニング方法。 - 前記保護膜生成工程において供給される前記成膜ガスは、前記基板の前記プラズマ処理に用いられる成膜ガスと同一種類のガスである
請求項1〜6のいずれか1つに記載のクリーニング方法。 - プラズマ生成領域と拡散領域とを有する処理空間が形成される処理容器と、
前記処理容器内で基板に対しプラズマ処理を行う制御部と
を備え、
前記制御部は、
前記処理容器内に成膜ガスを供給しつつ、プラズマを発生させて前記プラズマ生成領域に保護膜を形成する保護膜生成工程と、
前記処理容器内にクリーニングガスを供給しつつ、プラズマを発生させて前記保護膜が形成された前記処理容器内をクリーニングするクリーニング工程とを実行する
プラズマ処理装置。
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JP2020069207A JP7341099B2 (ja) | 2020-04-07 | 2020-04-07 | クリーニング方法およびプラズマ処理装置 |
KR1020227034307A KR20220149734A (ko) | 2020-04-07 | 2021-03-29 | 클리닝 방법 및 플라스마 처리 장치 |
PCT/JP2021/013307 WO2021205928A1 (ja) | 2020-04-07 | 2021-03-29 | クリーニング方法およびプラズマ処理装置 |
US17/916,159 US20230220545A1 (en) | 2020-04-07 | 2021-03-29 | Cleaning method and plasma treatment device |
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WO2024029271A1 (ja) * | 2022-08-02 | 2024-02-08 | 東京エレクトロン株式会社 | SiN膜の形成方法及びプラズマ処理装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2006169617A (ja) * | 2004-12-20 | 2006-06-29 | Tokyo Electron Ltd | 成膜方法および記憶媒体 |
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US20130180543A1 (en) * | 2010-09-09 | 2013-07-18 | International Business Machines Corporation | Deposition chamber cleaning method including stressed cleaning layer |
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