KR20140076514A - Cu 배선의 형성 방법 및 기억 매체 - Google Patents
Cu 배선의 형성 방법 및 기억 매체 Download PDFInfo
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- KR20140076514A KR20140076514A KR1020130154357A KR20130154357A KR20140076514A KR 20140076514 A KR20140076514 A KR 20140076514A KR 1020130154357 A KR1020130154357 A KR 1020130154357A KR 20130154357 A KR20130154357 A KR 20130154357A KR 20140076514 A KR20140076514 A KR 20140076514A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/107—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern by filling grooves in the support with conductive material
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
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- H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
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Abstract
Description
도 2는 본 발명의 일실시형태에 따른 Cu 배선의 형성 방법을 설명하기 위한 공정 단면도다.
도 3은 층간 절연막(Low-k막)의 소수 표면을 설명하기 위한 도면이다.
도 4는 층간 절연막(Low-k막)을 친수화 처리했을 때의 친수 표면을 설명하기 위한 도면이다.
도 5a 및 도 5b는 트렌치에 Mn막을 형성하여 하지(下地)의 층간 절연막과의 반응에 의해 자기 정합 배리어막이 형성되는 메카니즘을 설명하기 위한 도면이다.
도 6은 층간 절연막(Low-k막)에 친수화를 위한 표면 처리를 하지 않고 Mn막을 형성한 경우와, 친수화를 위한 표면 처리로서 과산화수소계 약액 처리를 실시한 후에 Mn막을 형성한 경우의 막의 상태를 나타내는 SEM 사진이다.
도 7은 밀착성을 확인하기 위한 샘플을 제작하는 순서를 설명하기 위한 도면이다.
도 8a 및 도 8b는 층간 절연막(Low-k막)에 친수화를 위한 표면 처리로서 TBOSL약액 처리를 실시한 후에 Cu-Mn 합금막을 성막하고, 그 후에 어닐 처리를 실시한 샘플과, 표면 처리를 실행하지 않고 Cu-Mn 합금막을 성막하고, 그 후에 어닐 처리를 실시한 샘플의 배리어 특성을 비교하기 위한 2차 이온 분석 결과를 도시하는 도면이다.
도 9는 본 발명의 Cu 배선의 형성 방법에 이용되는 성막 시스템의 개략 구성을 나타내는 블럭도이다.
도 10은 도 9의 성막 시스템에 있어서의 성막 처리부를 나타내는 평면도이다.
도 11은 도 9의 성막 시스템에 있어서의 제어부를 나타내는 블럭도이다.
도 12는 도 10의 성막 처리부에 탑재된 Cu막을 형성하기 위한 Cu막 성막 장치를 나타내는 단면도이다.
도 13은 도 10의 성막 처리부에 탑재된 Mn막을 형성하기 위한 Mn막 성막 장치를 나타내는 단면도이다.
표면처리 없음 | TBOSL 약액에 의한 표면처리 | |
200℃×1hr |
완전히 벗겨짐 |
완전히 벗겨짐 |
200℃×1hr + 400℃×30min |
극히 일부에 눈금이 남음 |
절반 이상이 남음 |
22a, 22b: Cu막 성막 장치 100: 성막 시스템
101: 표면 처리부 102: 성막 처리부
103: CMP 처리부 201: 하부 구조
202: 층간 절연막(Si 함유막) 203: 트렌치
204: Mn막 205: 자기 정합 배리어막
206: Ru 라이너막 207: Cu막
208: Cu 배선 W: 반도체 웨이퍼(피처리 기판)
Claims (9)
- 소정 패턴의 오목부가 형성된 Si 함유막을 가지는 기판에 대하여, 상기 오목부 내에 Cu를 매립해서 Cu 배선을 형성하는 Cu 배선의 형성 방법으로서,
적어도 상기 오목부의 표면에, 하지와의 반응에 의해 자기 정합 배리어막이 되는 Mn막을 CVD(Chemical Vapor Deposition)에 의해 형성하는 공정과,
Cu막을 PVD(Physical Vapor Deposition)에 의해 형성하고, 상기 오목부 내에 상기 Cu막을 매립하는 공정과,
CMP(Chemical Mechanical Polishing)에 의해 상기 기판의 전체면(全面)을 연마하여 상기 오목부 내에 Cu 배선을 형성하는 공정을 포함하는 것을 특징으로 하는 Cu 배선의 형성 방법.
- 제 1 항에 있어서,
상기 Mn막의 성막에 앞서, 상기 Si 함유막의 표면에, 그 표면이 친수성의 표면이 되도록 표면 처리를 실시하는 것을 특징으로 하는 Cu 배선의 형성 방법.
- 제 2 항에 있어서,
상기 표면 처리는 과산화수소를 포함하는 약액에 의한 처리를 포함하는 것을 특징으로 하는 Cu 배선의 형성 방법.
- 제 2 항 또는 제 3 항에 있어서,
상기 표면 처리는 상기 Si 함유막의 표면에 OH기, H기 또는 NH기를 형성하는 것을 특징으로 하는 Cu 배선의 형성 방법.
- 제 2 항에 있어서,
상기 표면 처리는 구조중에 O-Si-OH를 가지는 화합물에 의한 처리를 포함하는 것을 특징으로 하는 Cu 배선의 형성 방법.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,
상기 Mn막을 성막한 후, 상기 Cu막을 형성하기 전에, Ru막을 형성하는 공정을 더 포함하는 것을 특징으로 하는 Cu 배선의 형성 방법.
- 제 6 항에 있어서,
상기 Ru막은 CVD에 의해 형성되는 것을 특징으로 하는 Cu 배선의 형성 방법. - 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,
상기 Cu막의 형성은, 상기 기판이 수용된 처리 용기 내에 플라즈마 생성 가스에 의해 플라즈마를 생성하고, Cu 타겟으로부터 입자를 비산(飛散)시켜서, 입자를 상기 플라즈마 중에서 이온화시키고, 상기 기판에 바이어스 전력을 인가해서 이온을 기판상에 인입하는 장치에 의해 실시되는 것을 특징으로 하는 Cu 배선의 형성 방법.
- 컴퓨터상에서 동작하고, Cu 배선 형성 시스템을 제어하기 위한 프로그램이 기억된 기억 매체로서, 상기 프로그램은, 실행시에, 청구항 1 내지 청구항 3 중 어느 한 항의 Cu 배선의 형성 방법이 행해지도록, 컴퓨터에 상기 Cu 배선 형성 시스템을 제어시키는 것을 특징으로 하는 기억 매체.
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20170095164A (ko) * | 2016-02-12 | 2017-08-22 | 도쿄엘렉트론가부시키가이샤 | 구리 금속화에 있어서의 자체 형성 배리어층 및 루테늄 금속 라이너의 집적화 |
KR20180016304A (ko) * | 2016-08-05 | 2018-02-14 | 도쿄엘렉트론가부시키가이샤 | 성막 방법 및 성막 시스템, 그리고 표면 처리 방법 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9142456B2 (en) * | 2013-07-30 | 2015-09-22 | Lam Research Corporation | Method for capping copper interconnect lines |
US9984975B2 (en) * | 2014-03-14 | 2018-05-29 | Taiwan Semiconductor Manufacturing Company | Barrier structure for copper interconnect |
US9966339B2 (en) | 2014-03-14 | 2018-05-08 | Taiwan Semiconductor Manufacturing Company | Barrier structure for copper interconnect |
KR102264160B1 (ko) | 2014-12-03 | 2021-06-11 | 삼성전자주식회사 | 비아 구조체 및 배선 구조체를 갖는 반도체 소자 제조 방법 |
JP6584326B2 (ja) * | 2015-03-16 | 2019-10-02 | 東京エレクトロン株式会社 | Cu配線の製造方法 |
KR20170110332A (ko) | 2016-03-23 | 2017-10-11 | 삼성전자주식회사 | 반도체 장치 및 그 제조 방법 |
JP6470876B2 (ja) * | 2016-05-16 | 2019-02-13 | 株式会社アルバック | Cu膜の形成方法 |
US11133216B2 (en) * | 2018-06-01 | 2021-09-28 | International Business Machines Corporation | Interconnect structure |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6417098B1 (en) * | 1999-12-09 | 2002-07-09 | Intel Corporation | Enhanced surface modification of low K carbon-doped oxide |
JP3707394B2 (ja) * | 2001-04-06 | 2005-10-19 | ソニー株式会社 | 無電解メッキ方法 |
US7250375B2 (en) * | 2001-08-02 | 2007-07-31 | Tokyo Electron Limited | Substrate processing method and material for electronic device |
US6916398B2 (en) * | 2001-10-26 | 2005-07-12 | Applied Materials, Inc. | Gas delivery apparatus and method for atomic layer deposition |
JP2006016684A (ja) * | 2004-07-05 | 2006-01-19 | Ebara Corp | 配線形成方法及び配線形成装置 |
US20080200002A1 (en) | 2004-10-19 | 2008-08-21 | Tokyo Electron Limited | Plasma Sputtering Film Deposition Method and Equipment |
JP2006148075A (ja) * | 2004-10-19 | 2006-06-08 | Tokyo Electron Ltd | 成膜方法及びプラズマ成膜装置 |
US7709145B2 (en) * | 2004-11-12 | 2010-05-04 | Gm Global Technology Operations, Inc. | Hydrophilic surface modification of bipolar plate |
US20100200991A1 (en) * | 2007-03-15 | 2010-08-12 | Rohan Akolkar | Dopant Enhanced Interconnect |
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CN102132398B (zh) | 2008-03-21 | 2015-01-28 | 哈佛学院院长等 | 用于互连的自对准阻挡层 |
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JP5522979B2 (ja) * | 2009-06-16 | 2014-06-18 | 国立大学法人東北大学 | 成膜方法及び処理システム |
JP5307072B2 (ja) * | 2009-06-17 | 2013-10-02 | 東京エレクトロン株式会社 | 金属酸化物膜の形成方法及び成膜装置 |
JP5585909B2 (ja) * | 2010-02-16 | 2014-09-10 | 合同会社先端配線材料研究所 | コンタクトプラグ、配線、半導体装置およびコンタクトプラグ形成方法 |
US8531033B2 (en) * | 2009-09-07 | 2013-09-10 | Advanced Interconnect Materials, Llc | Contact plug structure, semiconductor device, and method for forming contact plug |
JP2011216862A (ja) * | 2010-03-16 | 2011-10-27 | Tokyo Electron Ltd | 成膜方法及び成膜装置 |
WO2012060428A1 (ja) | 2010-11-02 | 2012-05-10 | 宇部興産株式会社 | (アミドアミノアルカン)金属化合物、及び当該金属化合物を用いた金属含有薄膜の製造方法 |
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KR20180016304A (ko) * | 2016-08-05 | 2018-02-14 | 도쿄엘렉트론가부시키가이샤 | 성막 방법 및 성막 시스템, 그리고 표면 처리 방법 |
US10392698B2 (en) | 2016-08-05 | 2019-08-27 | Tokyo Electron Limited | Film forming method, film forming system and surface processing method |
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