JP6110420B2 - 窒化膜の製造方法及び窒化膜の圧縮応力の制御方法 - Google Patents
窒化膜の製造方法及び窒化膜の圧縮応力の制御方法 Download PDFInfo
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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
- 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
- C23C16/45534—Use of auxiliary reactants other than used for contributing to the composition of the main film, e.g. catalysts, activators or scavengers
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- C—CHEMISTRY; METALLURGY
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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
- 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
- C23C16/45536—Use of plasma, radiation or electromagnetic fields
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- H10P14/63—Formation of materials, e.g. in the shape of layers or pillars of insulating materials characterised by the formation processes
- H10P14/6326—Deposition processes
- H10P14/6328—Deposition from the gas or vapour phase
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- H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
- H10P14/60—Formation of materials, e.g. in the shape of layers or pillars of insulating materials
- H10P14/63—Formation of materials, e.g. in the shape of layers or pillars of insulating materials characterised by the formation processes
- 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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- H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
- H10P14/60—Formation of materials, e.g. in the shape of layers or pillars of insulating materials
- H10P14/69—Inorganic materials
- H10P14/694—Inorganic materials composed of nitrides
- 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
Claims (19)
- 基板上にソースガスを提供して、前記基板上に前記ソースガスの少なくとも一部が吸着される第1段階と、
前記基板上に第1パージガスを提供する第2段階と、
前記基板上に窒素ガス(N2)を含む応力調節ガスと前記窒素ガス(N2)以外の窒素成分(N)を含有する反応ガスとをプラズマ状態で提供して、前記基板上に単位蒸着膜を形成する第3段階と、
前記基板上に第2パージガスを提供する第4段階と、
を含む単位サイクルを少なくとも1回以上行うことによって、前記基板上に圧縮応力を有する窒化膜を形成する窒化膜の製造方法であって、
前記窒素ガス(N2)以外の窒素成分(N)を含有する前記反応ガスは、アンモニア(NH3)を含み、
前記窒化膜の要求される圧縮応力が大きいほど、前記第3段階から前記基板上に提供される前記窒素ガス(N 2 )の量を増やす、
窒化膜の製造方法。 - 前記応力調節ガスは、不活性ガス及び前記窒素ガス(N2)の混合ガスを含む請求項1に記載の窒化膜の製造方法。
- 前記第3段階で前記窒化膜の要求される圧縮応力が大きいほど、前記基板上に提供される前記不活性ガスに対する前記窒素ガス(N2)の相対的比率を高める請求項2に記載の窒化膜の製造方法。
- 前記不活性ガスは、ヘリウム(He)、ネオン(Ne)、アルゴン(Ar)、クリプトン(Kr)、キセノン(Xe)、及びラドン(Rn)のうち少なくとも何れか1つを含む請求項2に記載の窒化膜の製造方法。
- 前記プラズマ状態は、ダイレクトプラズマ方式またはリモートプラズマ方式によって形成される請求項1に記載の窒化膜の製造方法。
- 前記第1パージガスまたは前記第2パージガスが、前記第1段階ないし前記第4段階から持続的に供給される請求項1に記載の窒化膜の製造方法。
- 前記第1パージガス及び前記第2パージガスのうち少なくとも何れか1つは、窒素ガス、不活性ガス、または窒素ガスと不活性ガスとからなる混合ガスである請求項1に記載の窒化膜の製造方法。
- 前記応力調節ガスは、前記第1パージガス及び前記第2パージガスのうち少なくとも何れか1つと同種の物質で構成されたガスである請求項1に記載の窒化膜の製造方法。
- 基板上にソースガスを提供して、前記基板上に前記ソースガスの少なくとも一部が吸着される第1段階と、
前記基板上に第1パージガスを提供する第2段階と、
前記基板上に窒素ガス(N2)を含む応力調節ガスと前記窒素ガス(N2)以外の窒素成分(N)を含有する反応ガスとをプラズマ状態で提供して、前記基板上に単位蒸着膜を形成する第3段階と、
前記基板上に第2パージガスを提供する第4段階と、
を含む単位サイクルを少なくとも1回以上行うことによって、前記基板上に圧縮応力を有する窒化膜を形成する窒化膜の製造方法であって、
前記窒素ガス(N2)以外の窒素成分(N)を含有する前記反応ガスは、アンモニア(NH3)を含み、
前記単位サイクルは、
前記単位蒸着膜の上に第2応力調節ガスをプラズマ状態で提供する第5段階と、
前記基板上に第3パージガスを提供する第6段階と、
を含む窒化膜の製造方法。 - 前記第2応力調節ガスは、窒素ガス(N2)を含むか、または、不活性ガス及び窒素ガス(N2)の混合ガスを含む請求項9に記載の窒化膜の製造方法。
- 前記第1パージガス、前記第2パージガスまたは前記第3パージガスが、前記第1段階ないし前記第6段階から持続的に供給される請求項9に記載の窒化膜の製造方法。
- 前記第1パージガス、前記第2パージガス、及び前記第3パージガスのうち少なくとも何れか1つは、窒素ガス、不活性ガス、または窒素ガスと不活性ガスとからなる混合ガスである請求項9に記載の窒化膜の製造方法。
- 前記第2応力調節ガスは、前記第1パージガス、前記第2パージガス、及び前記第3パージガスのうち少なくとも何れか1つと同種の物質で構成されたガスである請求項9に記載の窒化膜の製造方法。
- 前記単位サイクルは、
前記第1段階の後、前記第2段階の前に、前記ソースガスの提供を中断し、前記第1段階でよりも、チャンバ内圧力をさらに低く保持させる段階を含む請求項1に記載の窒化膜の製造方法。 - 前記第1段階でよりも、前記チャンバ内圧力をさらに低く保持させる段階は、前記ソースガスの提供を中断するが、チャンバ内のポンピングを行うことで具現される請求項14に記載の窒化膜の製造方法。
- 前記ポンピングは、前記単位サイクルの中で常時行われる請求項15に記載の窒化膜の製造方法。
- 前記単位サイクルは、
前記第3段階の後、前記第4段階の前に、前記応力調節ガス及び前記反応ガスの提供を中断し、前記第3段階でよりも、前記チャンバ内圧力をさらに低く保持させる段階を含む請求項14に記載の窒化膜の製造方法。 - 前記第3段階でよりも、前記チャンバ内圧力をさらに低く保持させる段階は、前記応力調節ガス及び前記反応ガスの提供を中断するが、前記チャンバ内のポンピングを行うことで具現される請求項17に記載の窒化膜の製造方法。
- 前記ポンピングは、前記単位サイクルの中で常時行われる請求項18に記載の窒化膜の製造方法。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2014-0024618 | 2014-02-28 | ||
| KR20140024618 | 2014-02-28 | ||
| KR10-2015-0002731 | 2015-01-08 | ||
| KR1020150002730A KR102202089B1 (ko) | 2015-01-08 | 2015-01-08 | 질화막의 제조방법 |
| KR10-2015-0002730 | 2015-01-08 | ||
| KR1020150002731A KR102179753B1 (ko) | 2014-02-28 | 2015-01-08 | 질화막의 제조방법 및 질화막의 압축 응력 제어방법 |
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| JP2015165564A JP2015165564A (ja) | 2015-09-17 |
| JP6110420B2 true JP6110420B2 (ja) | 2017-04-05 |
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| JP2015029603A Active JP6110420B2 (ja) | 2014-02-28 | 2015-02-18 | 窒化膜の製造方法及び窒化膜の圧縮応力の制御方法 |
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| Country | Link |
|---|---|
| US (1) | US20150249004A1 (ja) |
| JP (1) | JP6110420B2 (ja) |
| CN (1) | CN104882361B (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR102080114B1 (ko) * | 2015-09-21 | 2020-02-24 | 주식회사 원익아이피에스 | 질화막의 제조방법 |
| KR102014175B1 (ko) * | 2016-07-22 | 2019-08-27 | (주)디엔에프 | 플라즈마 원자층 증착법을 이용한 실리콘 질화 박막의 제조방법 |
| KR102628919B1 (ko) * | 2019-05-29 | 2024-01-24 | 주식회사 원익아이피에스 | 기판처리장치 및 이를 이용한 기판처리방법 |
| CN118103960A (zh) * | 2021-12-15 | 2024-05-28 | 株式会社国际电气 | 成膜方法、半导体器件的制造方法、成膜装置及程序 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3948365B2 (ja) * | 2002-07-30 | 2007-07-25 | 株式会社島津製作所 | 保護膜製造方法および有機el素子 |
| JP4579157B2 (ja) * | 2003-03-25 | 2010-11-10 | 東京エレクトロン株式会社 | 処理装置及び切り替え機構 |
| US20060105106A1 (en) * | 2004-11-16 | 2006-05-18 | Applied Materials, Inc. | Tensile and compressive stressed materials for semiconductors |
| KR100841866B1 (ko) * | 2005-02-17 | 2008-06-27 | 가부시키가이샤 히다치 고쿠사이 덴키 | 반도체 디바이스의 제조 방법 및 기판 처리 장치 |
| US20070292974A1 (en) * | 2005-02-17 | 2007-12-20 | Hitachi Kokusai Electric Inc | Substrate Processing Method and Substrate Processing Apparatus |
| US7531452B2 (en) * | 2007-03-30 | 2009-05-12 | Tokyo Electron Limited | Strained metal silicon nitride films and method of forming |
| US7651961B2 (en) * | 2007-03-30 | 2010-01-26 | Tokyo Electron Limited | Method for forming strained silicon nitride films and a device containing such films |
| JP5703354B2 (ja) * | 2008-11-26 | 2015-04-15 | 株式会社日立国際電気 | 半導体装置の製造方法及び基板処理装置 |
| TW201306082A (zh) * | 2011-04-18 | 2013-02-01 | 東京威力科創股份有限公司 | 電漿評估方法、電漿處理方法及電漿處理裝置 |
| JP6001940B2 (ja) * | 2012-07-11 | 2016-10-05 | 東京エレクトロン株式会社 | パターン形成方法及び基板処理システム |
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- 2015-02-18 JP JP2015029603A patent/JP6110420B2/ja active Active
- 2015-02-25 US US14/630,864 patent/US20150249004A1/en not_active Abandoned
- 2015-02-27 CN CN201510089810.3A patent/CN104882361B/zh active Active
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| Publication number | Publication date |
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| CN104882361B (zh) | 2018-02-02 |
| JP2015165564A (ja) | 2015-09-17 |
| US20150249004A1 (en) | 2015-09-03 |
| CN104882361A (zh) | 2015-09-02 |
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