KR20050057087A - 알코올을 이용하여 금속 산화물을 형성하는 시스템 및 방법 - Google Patents
알코올을 이용하여 금속 산화물을 형성하는 시스템 및 방법 Download PDFInfo
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- KR20050057087A KR20050057087A KR1020057003576A KR20057003576A KR20050057087A KR 20050057087 A KR20050057087 A KR 20050057087A KR 1020057003576 A KR1020057003576 A KR 1020057003576A KR 20057003576 A KR20057003576 A KR 20057003576A KR 20050057087 A KR20050057087 A KR 20050057087A
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- substrate
- metal oxide
- metal
- manufacturing
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- 238000000034 method Methods 0.000 title claims abstract description 159
- 229910044991 metal oxide Inorganic materials 0.000 title claims abstract description 69
- 150000004706 metal oxides Chemical class 0.000 title claims abstract description 69
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- 239000002243 precursor Substances 0.000 claims abstract description 124
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- 239000010703 silicon Substances 0.000 claims description 19
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- ZYLGGWPMIDHSEZ-UHFFFAOYSA-N dimethylazanide;hafnium(4+) Chemical compound [Hf+4].C[N-]C.C[N-]C.C[N-]C.C[N-]C ZYLGGWPMIDHSEZ-UHFFFAOYSA-N 0.000 description 1
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- NPEOKFBCHNGLJD-UHFFFAOYSA-N ethyl(methyl)azanide;hafnium(4+) Chemical compound [Hf+4].CC[N-]C.CC[N-]C.CC[N-]C.CC[N-]C NPEOKFBCHNGLJD-UHFFFAOYSA-N 0.000 description 1
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- 229910001925 ruthenium oxide Inorganic materials 0.000 description 1
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 1
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- 125000004964 sulfoalkyl group Chemical group 0.000 description 1
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- 238000006557 surface reaction Methods 0.000 description 1
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 1
- LMBFAGIMSUYTBN-MPZNNTNKSA-N teixobactin Chemical compound C([C@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H](CCC(N)=O)C(=O)N[C@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H]1C(N[C@@H](C)C(=O)N[C@@H](C[C@@H]2NC(=N)NC2)C(=O)N[C@H](C(=O)O[C@H]1C)[C@@H](C)CC)=O)NC)C1=CC=CC=C1 LMBFAGIMSUYTBN-MPZNNTNKSA-N 0.000 description 1
- MNWRORMXBIWXCI-UHFFFAOYSA-N tetrakis(dimethylamido)titanium Chemical compound CN(C)[Ti](N(C)C)(N(C)C)N(C)C MNWRORMXBIWXCI-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
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Abstract
Description
Claims (49)
- 반도체 구조물의 제조 방법으로서,반도체 기판 또는 기판 어셈블리를 제공하는 단계;화학식 R(OH)r(R: 유기 기, r: 1 내지 3)로 표시되는 1종 이상의 알코올을 제공하는 단계;화학식 M1(NR1)w(NR2R3)z(화학식 I), M2R4 q (화학식 II) 또는 화학식 II의 루이스 염기 첨가 생성물로 표시되는 1종 이상의 금속 함유 전구체 화합물을 제공하는 단계; 및기상 증착 공정을 이용하여, 상기 반도체 기판 또는 기판 어셈블리의 하나 이상의 표면상에 금속 산화물 층을 형성하도록 상기 전구체 화합물들을 접촉시키는 단계를 포함하며,상기 화학식 I 및 II에서, M1과 M2는 각각 독립적으로 금속을 나타내고;R1, R2, R3 및 R4는 각각 독립적으로 수소 원자 또는 유기 기이며;w는 0 내지 4이고;z는 1 내지 8이며;q는 1 내지 5이고; 그리고w, z 및 q는 금속의 산화 상태에 좌우되는 수인,반도체 구조물의 제조 방법.
- 제 1 항에 있어서,상기 반도체 기판 또는 기판 어셈블리는 실리콘 웨이퍼인,반도체 구조물의 제조 방법.
- 제 1 항에 있어서,상기 금속 산화물 층은 유전체층인,반도체 구조물의 제조 방법.
- 제 3 항에 있어서,상기 금속 산화물 유전체층은 2종 이상의 상이한 금속을 포함하는,반도체 구조물의 제조 방법.
- 제 4 항에 있어서,상기 2종 이상의 상이한 금속은 합금, 고용체 또는 나노적층체의 형태로 존재하는,반도체 구조물의 제조 방법.
- 제 1 항에 있어서,상기 M1과 M2는 각각 독립적으로 3족, 4족, 5족, 6족, 7족, 13족, 14족 및 란탄족 원소로 이루어진 금속의 그룹 중에서 선택되는,반도체 구조물의 제조 방법.
- 제 6 항에 있어서,상기 M1과 M2는 각각 독립적으로 Y, La, Pr, Nd, Gd, Ti, Zr, Hf, Nb, Ta, Al 및 Si으로 이루어진 금속의 그룹 중에서 선택되는,반도체 구조물의 제조 방법.
- 제 1 항에 있어서,상기 금속 산화물 층의 두께는 약 30Å 내지 약 80Å인,반도체 구조물의 제조 방법.
- 제 1 항에 있어서,상기 각각의 R은 독립적으로 (C1-C10) 유기 기인,반도체 구조물의 제조 방법.
- 제 1 항에 있어서,상기 R1, R2, R3 및 R4는 각각 독립적으로 수소 원자 또는 (C1-C6) 유기 기인,반도체 구조물의 제조 방법
- 제 1 항에 있어서,상기 w는 0 내지 2이고, z는 2 내지 6인,반도체 구조물의 제조 방법.
- 제 1 항에 있어서,상기 q는 2 내지 3인,반도체 구조물의 제조 방법.
- 제 1 항에 있어서,상기 금속 산화물 층은 1종의 금속을 포함하는,반도체 구조물의 제조 방법.
- 제 1 항에 있어서,상기 금속 산화물 층은 아나타스 TiO2를 포함하는,반도체 구조물의 제조 방법.
- 반도체 구조물의 제조 방법으로서,증착 챔버내에 반도체 기판 또는 기판 어셈블리를 제공하는 단계;화학식 R(OH)r(R: 유기기, r: 1 내지 3)로 표시되는 1종 이상의 알코올을 제공하는 단계;화학식 M1(NR1)w(NR2R3)z(화학식 I), M2R4 q (화학식 II) 또는 화학식 II의 루이스 염기 첨가 생성물로 표시되는 1종 이상의 금속 함유 전구체 화합물을 제공하는 단계;기화된 전구체 화합물들을 형성하도록 상기 전구체 화합물들을 기화시키는 단계; 및반도체 기판 또는 기판 어셈블리의 하나 이상의 표면상에 금속 산화물 유전체층을 형성하도록 상기 기화된 화합물들을 상기 반도체 기판 또는 기판 어셈블리를 향해 배향시키는 단계를 포함하며,상기 화학식 I 및 II에서, M1과 M2는 각각 독립적으로 금속을 나타내고;R1, R2, R3 및 R4는 각각 독립적으로 수소 원자 또는 유기 기이며;w는 0 내지 4이고;z는 1 내지 8이며;q는 1 내지 5이고; 그리고w, z 및 q는 금속의 산화 상태에 좌우되는 수인,반도체 구조물의 제조 방법.
- 제 15 항에 있어서,상기 전구체 화합물은 불활성 캐리어 가스의 존재하에서 기화되는,반도체 구조물의 제조 방법.
- 제 15 항에 있어서,상기 M1과 M2는 각각 독립적으로 3족, 4족, 5족, 6족, 7족, 13족, 14족 및 란탄족 원소로 이루어진 금속의 그룹 중에서 선택되는,반도체 구조물의 제조 방법.
- 제 15 항에 있어서,상기 전구체 화합물의 기화 단계 및 배향 단계는 화학 기상 증착 공정을 사용해서 수행되는,반도체 구조물의 제조 방법.
- 제 18 항에 있어서,상기 반도체 기판 또는 기판 어셈블리의 온도는 약 100℃ 내지 약 600℃인,반도체 구조물의 제조 방법.
- 제 18 항에 있어서,상기 반도체 기판 또는 기판 어셈블리는 압력이 약 0.1 torr 내지 약 10 torr인 증착 챔버내에 존재하는,반도체 구조물의 제조 방법.
- 제 18 항에 있어서,상기 전구체 화합물의 기화 단계 및 배향 단계는 다수의 증착 사이클을 포함하는 원자층 증착 공정을 사용해서 수행되는,반도체 구조물의 제조 방법.
- 제 21 항에 있어서,상기 원자층 증착 공정이 진행되는 동안에, 상기 전구체 화합물들을 매회 증착 사이클중에 교대로 도입함으로써 상기 금속 함유 층이 형성되는,반도체 구조물의 제조 방법.
- 제 21 항에 있어서,상기 반도체 기판 또는 기판 어셈블리의 온도는 약 25℃ 내지 약 400℃인,반도체 구조물의 제조 방법.
- 제 21 항에 있어서,상기 반도체 기판 또는 기판 어셈블리는 압력이 약 10-4 torr 내지 약 1 torr인 증착 챔버내에 존재하는,반도체 구조물의 제조 방법.
- 제 15 항에 있어서,상기 금속 산화물은 1종의 금속을 포함하는,반도체 구조물의 제조 방법.
- 기판 상에 금속 산화물 층을 형성하는 방법으로서,기판을 제공하는 단계;화학식 R(OH)r(R: 유기 기, r: 1 내지 3)로 표시되는 1종 이상의 알코올을 제공하는 단계;화학식 M1(NR1)w(NR2R3)z(화학식 I), M2R4 q (화학식 II) 또는 화학식 II의 루이스 염기 첨가 생성물로 표시되는 1종 이상의 금속 함유 전구체 화합물을 제공하는 단계; 및기상 증착 공정을 이용하여, 상기 기판상에 금속 산화물 층을 형성하도록 상기 전구체 화합물들을 접촉시키는 단계를 포함하며,상기 화학식 I 및 II에서, M1과 M2는 각각 독립적으로 금속을 나타내고;R1, R2, R3 및 R4는 각각 독립적으로 수소 원자 또는 유기 기이며;w는 0 내지 4이고;z는 1 내지 8이며;q는 1 내지 5이고; 그리고w, z 및 q는 금속의 산화 상태에 좌우되는 수인,기판 상에 금속 산화물 층을 형성하는 방법.
- 제 26 항에 있어서,상기 기판은 실리콘 웨이퍼인,기판 상에 금속 산화물 층을 형성하는 방법.
- 제 26 항에 있어서,상기 M1과 M2는 각각 독립적으로 3족, 4족, 5족, 6족, 7족, 13족, 14족 및 란탄족 원소로 이루어진 금속의 그룹 중에서 선택되는,기판 상에 금속 산화물 층을 형성하는 방법.
- 제 28 항에 있어서,상기 M1과 M2는 각각 독립적으로 Y, La, Pr, Nd, Gd, Ti, Zr, Hf, Nb, Ta, Al 및 Si으로 이루어진 금속의 그룹 중에서 선택되는,기판 상에 금속 산화물 층을 형성하는 방법.
- 제 26 항에 있어서,상기 금속 산화물 층의 두께는 약 30Å 내지 약 80Å인,기판 상에 금속 산화물 층을 형성하는 방법.
- 제 26 항에 있어서,상기 각각의 R은 독립적으로 (C1-C10) 유기 기인,기판 상에 금속 산화물 층을 형성하는 방법.
- 제 26 항에 있어서,상기 R1, R2, R3 및 R4는 각각 독립적으로 수소 원자 또는 (C1-C6) 유기 기인,기판 상에 금속 산화물 층을 형성하는 방법.
- 제 26 항에 있어서,상기 w는 0 내지 2이고, z는 2 내지 6인,기판 상에 금속 산화물 층을 형성하는 방법.
- 제 26 항에 있어서,상기 q는 2 내지 3인,기판 상에 금속 산화물 층을 형성하는 방법.
- 제 26 항에 있어서,상기 금속 산화물은 1종의 금속을 포함하는,기판 상에 금속 산화물 층을 형성하는 방법.
- 제 26 항에 있어서,상기 금속 산화물 층은 아나타스 TiO2를 포함하는,기판 상에 금속 산화물 층을 형성하는 방법.
- 기판상에 금속 산화물 층을 형성하는 방법으로서,기판을 제공하는 단계;화학식 R(OH)r(R: 유기기, r: 1 내지 3)로 표시되는 1종 이상의 알코올을 제공하는 단계;화학식 M1(NR1)w(NR2R3)z(화학식 I), M2R4 q (화학식 II) 또는 화학식 II의 루이스 염기 첨가 생성물로 표시되는 1종 이상의 금속 함유 전구체 화합물을 제공하는 단계;기화된 전구체 화합물들을 형성하도록 상기 전구체 화합물들을 기화시키는 단계; 및상기 기판상에 금속 산화물 층을 형성하도록 상기 기화된 화합물들을 상기 기판을 향해 배향시키는 단계를 포함하며,상기 화학식 I 및 II에서, M1과 M2는 각각 독립적으로 금속을 나타내고;R1, R2, R3 및 R4는 각각 독립적으로 수소 원자 또는 유기 기이며;w는 0 내지 4이고;z는 1 내지 8이며;q는 1 내지 5이고; 그리고w, z 및 q는 금속의 산화 상태에 좌우되는 수인,기판상에 금속 산화물 층을 형성하는 방법
- 제 37 항에 있어서,상기 전구체 화합물의 기화 단계 및 배향 단계는 화학 기상 증착 공정을 사용해서 수행되는,기판상에 금속 산화물 층을 형성하는 방법.
- 제 37 항에 있어서,상기 전구체 화합물의 기화 단계 및 배향 단계는 다수의 증착 사이클을 포함하는 원자층 증착 공정을 사용해서 수행되는,기판상에 금속 산화물 층을 형성하는 방법.
- 제 37 항에 있어서,상기 금속 산화물 층은 1종의 금속을 포함하는,기판상에 금속 산화물 층을 형성하는 방법.
- 메모리 소자 구조물의 제조 방법으로서,표면상에 제 1 전극을 구비한 기판을 제공하는 단계;화학식 R(OH)r(R: 유기기, r: 1 내지 3)로 표시되는 1종 이상의 알코올을 제공하는 단계;화학식 M1(NR1)w(NR2R3)z(화학식 I), M2R4 q (화학식 II) 또는 화학식 II의 루이스 염기 첨가 생성물로 표시되는 1종 이상의 금속 함유 전구체 화합물 을 제공하는 단계;기화된 전구체 화합물들을 형성하도록 상기 전구체 화합물들을 기화시키는 단계;상기 기판의 제 1 전극 상에 금속 산화물 유전체층을 형성하도록 상기 기화된 화합물들을 상기 기판을 향해 배향시키는 단계; 및상기 유전체층상에 제 2 전극을 형성하는 단계를 포함하며,상기 화학식 I 및 II에서, M1과 M2는 각각 독립적으로 금속을 나타내고;R1, R2, R3 및 R4는 각각 독립적으로 수소 원자 또는 유기 기이며;w는 0 내지 4이고;z는 1 내지 8이며;q는 1 내지 5이고; 그리고w, z 및 q는 금속의 산화 상태에 좌우되는 수인,메모리 소자 구조물의 제조 방법.
- 제 41 항에 있어서,상기 전구체 화합물의 기화 단계 및 배향 단계는 화학 기상 증착 공정을 사용해서 수행되는,메모리 소자 구조물의 제조 방법.
- 제 41 항에 있어서,상기 전구체 화합물의 기화 단계 및 배향 단계는 다수의 증착 사이클을 포함하는 원자층 증착 공정을 사용해서 수행되는,메모리 소자 구조물의 제조 방법.
- 제 41 항에 있어서,상기 금속 산화물 유전체층은 2종 이상의 상이한 금속을 포함하는,메모리 소자 구조물의 제조 방법.
- 제 44 항에 있어서,상기 2종 이상의 상이한 금속은 합금, 고용체 또는 나노적층체의 형태로 존재하는,메모리 소자 구조물의 제조 방법.
- 제 41 항에 있어서,상기 금속 산화물 유전체층은 ZrO2, HfO2, Ta2O3, Al2O3, TiO2 및 란탄족 원소의 산화물중 1종 이상을 포함하는,메모리 소자 구조물의 제조 방법.
- 기상 증착 챔버로서,내부에 기판이 배치된 증착 챔버;화학식 R(OH)r(R: 유기기, r: 1 내지 3)로 표시되는 1종 이상의 알코올을 포함하는 하나 이상의 용기;화학식 M1(NR1)w(NR2R3)z(화학식 I), M2R4 q (화학식 II) 또는 화학식 II의 루이스 염기 첨가 생성물로 표시되는 1종 이상의 금속 함유 전구체 화합물을 포함하는 하나 이상의 용기를 포함하며,상기 화학식 I 및 II에서, M1과 M2는 각각 독립적으로 금속을 나타내고;R1, R2, R3 및 R4는 각각 독립적으로 수소 원자 또는 유기 기이며;w는 0 내지 4이고;z는 1 내지 8이며;q는 1 내지 5이고; 그리고w, z 및 q는 금속의 산화 상태에 좌우되는 수인,기상 증착 장치.
- 제 47 항에 있어서,상기 기판은 실리콘 웨이퍼인,기상 증착 장치.
- 제 47 항에 있어서,상기 전구체들을 상기 기상 증착 챔버로 운반하기 위한 불활성 캐리어 가스의 하나 이상의 공급원을 더 포함하는,기상 증착 장치.
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EP (1) | EP1534875A1 (ko) |
JP (1) | JP2005537639A (ko) |
KR (1) | KR101003214B1 (ko) |
CN (1) | CN100422383C (ko) |
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- 2003-08-27 JP JP2004531531A patent/JP2005537639A/ja active Pending
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20170138950A (ko) * | 2016-06-08 | 2017-12-18 | 에이에스엠 아이피 홀딩 비.브이. | 금속성 막들의 선택적 퇴적 |
KR20200128759A (ko) * | 2018-04-05 | 2020-11-16 | 어플라이드 머티어리얼스, 인코포레이티드 | 금속 산화물들의 저온 ald를 위한 방법들 |
Also Published As
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US20050136689A9 (en) | 2005-06-23 |
EP1534875A1 (en) | 2005-06-01 |
CN1688742A (zh) | 2005-10-26 |
TWI320061B (en) | 2010-02-01 |
KR101003214B1 (ko) | 2010-12-21 |
US20060172485A1 (en) | 2006-08-03 |
US20040043632A1 (en) | 2004-03-04 |
US7041609B2 (en) | 2006-05-09 |
US7410918B2 (en) | 2008-08-12 |
CN100422383C (zh) | 2008-10-01 |
TW200422426A (en) | 2004-11-01 |
WO2004020690A1 (en) | 2004-03-11 |
JP2005537639A (ja) | 2005-12-08 |
AU2003262902A1 (en) | 2004-03-19 |
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