JP7540867B2 - 窒化シリコン膜の成膜方法及び成膜装置 - Google Patents
窒化シリコン膜の成膜方法及び成膜装置 Download PDFInfo
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- C23C16/45525—Atomic layer deposition [ALD]
- C23C16/45527—Atomic layer deposition [ALD] characterized by the ALD cycle, e.g. different flows or temperatures during half-reactions, unusual pulsing sequence, use of precursor mixtures or auxiliary reactants or activations
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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
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45523—Pulsed gas flow or change of composition over time
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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
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
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- H10P14/6326—Deposition processes
- H10P14/6328—Deposition from the gas or vapour phase
- H10P14/6334—Deposition from the gas or vapour phase using decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
- H10P14/6336—Deposition from the gas or vapour phase using 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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- H10P14/6943—Inorganic materials composed of nitrides containing silicon
- H10P14/69433—Inorganic materials composed of nitrides containing silicon the material being a silicon nitride not containing oxygen, e.g. SixNy or SixByNz
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Description
有機ELデバイスは水分に弱い特徴を持つ。このため、有機ELデバイスの製造工程において、有機ELデバイスを外部の水分から保護するための封止膜として窒化シリコン膜を成膜する工程がある。しかし、特に酸化物半導体を含む有機ELデバイスでは、更に、酸化物半導体が水素により劣化するため、封止膜としての窒化シリコン膜に含まれる水素を低減することが望まれている。まず、図1を参照して、窒化シリコン膜の封止膜を含む有機ELデバイス200の構成について簡単に説明する。
図2は、実施形態に係る成膜方法を実行する成膜装置100の一例を示す断面模式図である。成膜装置100は、FPD用の平面視矩形の基板(以下、単に「基板」という)Gに対して、各種の基板処理方法を実行する誘導結合型プラズマ(Inductive Coupled Plasma: ICP)処理装置である。成膜装置100は、実施形態に係る成膜方法を実行する成膜装置の一例であって、これに限らない。
次に、図3及び図4を用いて、図2の成膜装置100にて実行する、本実施形態に係る成膜方法について説明する。図3は、実施形態に係る成膜方法の一例を示すフローチャートである。図4は、実施形態に係る成膜方法の一例を示すタイムチャートである。初期状態では、図2のバルブ42a、42bは閉じている。
60 基板載置台
100 成膜装置
110 発光素子駆動回路層
120 陽極
130 正孔注入層
114 正孔輸送層
115 有機発光層
116 電子輸送層
150 トランジスタ素子
160 バンク
180 電子注入層
190 陰極
200 有機ELデバイス
220 封止膜
Claims (8)
- 処理チャンバ内に収容された基板に窒化シリコン膜を成膜する方法であって、
前記処理チャンバは、
前記基板を載置する載置台と、
該載置台の上方に配置され、誘導結合プラズマを形成する高周波アンテナと、
前記載置台と前記高周波アンテナの間に配置されるシャワーヘッドと、を有し、
(a)前記高周波アンテナに高周波電力を供給しない状態で前記シャワーヘッドから前記処理チャンバ内にハロゲン化シリコンガスを含むガスを供給する工程と、
(b)前記(a)の工程の後、前記ハロゲン化シリコンガスを含むガスの供給を停止し、前記処理チャンバ内を排気する工程と、
(c)前記(b)の工程の後、前記シャワーヘッドから前記処理チャンバ内に窒素含有ガスを供給する工程と、
(d)前記(c)の工程の後、前記高周波アンテナに前記高周波電力を供給し、前記処理チャンバ内に前記誘導結合プラズマを発生させる工程と、
(e)前記(d)の工程の後、前記窒素含有ガスの供給および前記高周波電力の供給を停止し、前記処理チャンバ内を排気する工程と、
前記(a)から前記(e)までの工程を、予め定めた膜厚の前記窒化シリコン膜が形成されるまでに対応するX回(X≧1)繰り返し実行する工程と、を有し、
前記ハロゲン化シリコンガスを含むガスは、四フッ化ケイ素ガス(SiF 4 )及び六フッ化二ケイ素ガス(Si 2 F 6 )の少なくともいずれかを含み、
前記(a)から前記(e)までの工程において前記基板の温度を200℃以下に制御する、窒化シリコン膜の成膜方法。 - 前記窒素含有ガスは、窒素ガス(N2)、及びアンモニア(NH3)の少なくともいずれかを含む、
請求項1に記載の窒化シリコン膜の成膜方法。 - 前記基板の表面には、複数の凹部と凸部とが形成されており、少なくとも一部の前記凹部又は前記凸部の側面は傾斜面により構成され、少なくとも前記傾斜面に前記窒化シリコン膜を形成する、
請求項1又は2に記載の窒化シリコン膜の成膜方法。 - 前記基板の表面には、酸化物半導体を含む層が形成されている、
請求項1~3のいずれか一項に記載の窒化シリコン膜の成膜方法。 - 前記窒化シリコン膜は、前記基板の表面に形成された発光素子及び該発光素子を駆動する前記酸化物半導体を含む駆動素子を封止する封止膜である、
請求項4に記載の窒化シリコン膜の成膜方法。 - 前記(a)から前記(e)までの工程において前記基板の温度を100℃以下に制御する、
請求項1~5のいずれか一項に記載の窒化シリコン膜の成膜方法。 - 前記窒素含有ガスに予め定めた濃度のH2ガス及び/又は希ガスを添加する、
請求項1~6のいずれか一項に記載の窒化シリコン膜の成膜方法。 - 処理チャンバと、制御部とを有し、前記処理チャンバ内に収容された基板に窒化シリコン膜を成膜する成膜装置であって、
前記処理チャンバは、
前記基板を載置する載置台と、
該載置台の上方に配置され、誘導結合プラズマを形成する高周波アンテナと、
前記載置台と前記高周波アンテナの間に配置されるシャワーヘッドと、を有し、
前記制御部は、
(a)前記高周波アンテナに高周波電力を供給しない状態で前記シャワーヘッドから前記処理チャンバ内にハロゲン化シリコンガスを含むガスを供給する工程と、
(b)前記(a)の工程の後、前記ハロゲン化シリコンガスを含むガスの供給を停止し、前記処理チャンバ内を排気する工程と、
(c)前記(b)の工程の後、前記シャワーヘッドから前記処理チャンバ内に窒素含有ガスを供給する工程と、
(d)前記(c)の工程の後、前記高周波アンテナに前記高周波電力を供給し、前記処理チャンバ内に前記誘導結合プラズマを発生させる工程と、
(e)前記(d)の工程の後、前記窒素含有ガスの供給および前記高周波電力の供給を停止し、前記処理チャンバ内を排気する工程と、
前記(a)から前記(e)までの工程を、予め定めた膜厚の前記窒化シリコン膜が形成されるまでに対応するX回(X≧1)繰り返し実行する工程と、を制御し、
前記ハロゲン化シリコンガスを含むガスは、四フッ化ケイ素ガス(SiF 4 )及び六フッ化二ケイ素ガス(Si 2 F 6 )の少なくともいずれかを含み、
更に、前記(a)から前記(e)までの工程において前記基板の温度を200℃以下に制御する、成膜装置。
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| JP2020191483A JP7540867B2 (ja) | 2020-11-18 | 2020-11-18 | 窒化シリコン膜の成膜方法及び成膜装置 |
| KR1020210151185A KR20220068154A (ko) | 2020-11-18 | 2021-11-05 | 질화실리콘막의 성막 방법 및 성막 장치 |
| CN202111318553.8A CN114517289A (zh) | 2020-11-18 | 2021-11-09 | 氮化硅膜的成膜方法和成膜装置 |
| CN202411719350.3A CN119685801A (zh) | 2020-11-18 | 2021-11-09 | 氮化硅膜的成膜方法和成膜装置 |
| TW110141642A TWI918762B (zh) | 2020-11-18 | 2021-11-09 | 氮化矽膜之成膜方法及成膜裝置 |
| KR1020240110367A KR102864403B1 (ko) | 2020-11-18 | 2024-08-19 | 질화실리콘막의 성막 방법 및 성막 장치 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017034067A (ja) | 2015-07-31 | 2017-02-09 | 株式会社日立国際電気 | 基板処理装置およびそれを用いた半導体装置の製造方法並びにそれに用いるプログラム |
| JP2018195610A (ja) | 2017-05-12 | 2018-12-06 | 東京エレクトロン株式会社 | 成膜方法及び成膜装置 |
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| JP2000114257A (ja) | 1998-10-06 | 2000-04-21 | Toshiba Corp | 半導体装置の製造方法 |
| KR100771800B1 (ko) * | 2003-01-24 | 2007-10-30 | 도쿄 엘렉트론 가부시키가이샤 | 피처리 기판 상에 실리콘 질화막을 형성하는 cvd 방법 |
| JP5247781B2 (ja) * | 2010-09-07 | 2013-07-24 | 東京エレクトロン株式会社 | シリコン窒化膜の形成方法、シリコン窒化膜の形成装置及びプログラム |
| JP6022166B2 (ja) * | 2011-02-28 | 2016-11-09 | 株式会社日立国際電気 | 半導体装置の製造方法、基板処理装置およびプログラム |
| JP6088178B2 (ja) * | 2011-10-07 | 2017-03-01 | 株式会社日立国際電気 | 半導体装置の製造方法、基板処理装置およびプログラム |
| US9824881B2 (en) * | 2013-03-14 | 2017-11-21 | Asm Ip Holding B.V. | Si precursors for deposition of SiN at low temperatures |
| JP6232219B2 (ja) * | 2013-06-28 | 2017-11-15 | 東京エレクトロン株式会社 | 多層保護膜の形成方法 |
| JP6656103B2 (ja) * | 2016-07-15 | 2020-03-04 | 東京エレクトロン株式会社 | 窒化膜の成膜方法および成膜装置 |
| US10892156B2 (en) * | 2017-05-08 | 2021-01-12 | Asm Ip Holding B.V. | Methods for forming a silicon nitride film on a substrate and related semiconductor device structures |
| JP6946769B2 (ja) * | 2017-06-15 | 2021-10-06 | 東京エレクトロン株式会社 | 成膜方法、成膜装置、及び記憶媒体 |
| JP6988629B2 (ja) * | 2018-03-26 | 2022-01-05 | 東京エレクトロン株式会社 | 成膜方法及び成膜装置 |
| JP2020064924A (ja) | 2018-10-16 | 2020-04-23 | 東京エレクトロン株式会社 | 窒化膜の成膜方法および半導体装置の製造方法 |
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| JP2017034067A (ja) | 2015-07-31 | 2017-02-09 | 株式会社日立国際電気 | 基板処理装置およびそれを用いた半導体装置の製造方法並びにそれに用いるプログラム |
| JP2018195610A (ja) | 2017-05-12 | 2018-12-06 | 東京エレクトロン株式会社 | 成膜方法及び成膜装置 |
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| CN114517289A (zh) | 2022-05-20 |
| JP2022080422A (ja) | 2022-05-30 |
| KR20220068154A (ko) | 2022-05-25 |
| KR20240129146A (ko) | 2024-08-27 |
| CN119685801A (zh) | 2025-03-25 |
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