KR100560296B1 - 다층 금속박막의 제조 방법 - Google Patents
다층 금속박막의 제조 방법 Download PDFInfo
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- KR100560296B1 KR100560296B1 KR1020000037400A KR20000037400A KR100560296B1 KR 100560296 B1 KR100560296 B1 KR 100560296B1 KR 1020000037400 A KR1020000037400 A KR 1020000037400A KR 20000037400 A KR20000037400 A KR 20000037400A KR 100560296 B1 KR100560296 B1 KR 100560296B1
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- titanium
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- vapor deposition
- thin film
- aluminum
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- 238000000034 method Methods 0.000 title claims abstract description 68
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 45
- 239000002184 metal Substances 0.000 title claims abstract description 45
- 239000010409 thin film Substances 0.000 title claims abstract description 40
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 73
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 73
- 239000010936 titanium Substances 0.000 claims abstract description 69
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 68
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 68
- 239000010408 film Substances 0.000 claims abstract description 59
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims abstract description 49
- 238000000151 deposition Methods 0.000 claims abstract description 32
- 238000005240 physical vapour deposition Methods 0.000 claims abstract description 23
- 238000005229 chemical vapour deposition Methods 0.000 claims abstract description 15
- 230000008021 deposition Effects 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- 239000002243 precursor Substances 0.000 claims description 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 239000010937 tungsten Substances 0.000 claims description 3
- -1 titanium ions Chemical class 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 2
- 125000002524 organometallic group Chemical group 0.000 claims 2
- 238000002360 preparation method Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 description 8
- 239000004065 semiconductor Substances 0.000 description 7
- 239000013078 crystal Substances 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- TUTOKIOKAWTABR-UHFFFAOYSA-N dimethylalumane Chemical compound C[AlH]C TUTOKIOKAWTABR-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000006117 anti-reflective coating Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- DAZXVJBJRMWXJP-UHFFFAOYSA-N n,n-dimethylethylamine Chemical compound CCN(C)C DAZXVJBJRMWXJP-UHFFFAOYSA-N 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
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- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
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Abstract
Description
Claims (21)
- 금속박막의 제조 방법에 있어서,이오나이즈드 물리적기상증착법을 이용하여 <002>방향으로 배향하는 티타늄막을 50Å∼149Å의 두께로 증착하는 단계;상기 티타늄막 상에 <111>방향으로 배향하는 티타늄나이트라이드막을 증착하는 단계; 및상기 티타늄/티타늄나이트라이드막의 적층막 상에 <111>방향으로 배향하는 알루미늄막을 증착하는 단계를 포함하는 다층 금속박막의 제조 방법.
- 제 1 항에 있어서,상기 이오나이즈드 물리적기상증착법은 RF코일, 할로우캐소드 또는 마그네트론 중 어느 하나를 이용하되, 0∼500W의 교류바이어스를 인가하여 상기 증착되는 티타늄막의 티타늄이온의 직진성을 강화시키는 것을 특징으로 하는 다층 금속박막의 제조 방법.
- 제 2 항에 있어서,상기 RF코일을 이용하는 경우, 1mtorr∼100mtorr의 압력에서 0∼500W의 교류바이어스를 인가하고, 상기 RF코일에 0.5∼5kW의 직류바이어스를 인가하는 것을 특징으로 하는 다층 금속박막의 제조 방법.
- 삭제
- 제 1 항에 있어서,상기 티타늄나이트라이드막은 물리적기상증착법, 이오나이즈드 물리적기상증착법 또는 유기금속화학기상증착법 중 어느 하나를 이용하여 50Å∼500Å두께로 증착되는 것을 특징으로 하는 다층 금속박막의 제조 방법.
- 제 1 항에 있어서,상기 알루미늄막은 물리적기상증착법 또는 화학적기상증착법을 이용하여 증착되는 것을 특징으로 하는 다층 금속박막의 제조 방법.
- 제 1 항 또는 제 6 항에 있어서,상기 화학적기상증착법을 이용하여 상기 알루미늄막을 증착하는 경우, 알루미늄전구체는 DMAH[(CH3)2AlH] 또는 DMEAA[AlH3N(CH3)2(C2H5)] 중 어느 하나의 유기금속화합물 또는 이들의 혼합물을 이용하는 것을 특징으로 하는 다층 금속박막의 제조 방법.
- 제 1 항 또는 제 6 항에 있어서,상기 화학적기상증착법을 이용하여 상기 알루미늄막을 증착하는 경우, 알루미늄전구체는 DMAH에 부가물을 첨가한 혼합물을 사용하는 것을 특징으로 하는 다층 금속박막의 제조 방법.
- 제 7 항에 있어서,상기 화학적기상증착법을 이용하여 상기 알루미늄막을 증착하는 경우, 150∼300℃의 온도와 1torr∼100torr의 압력에서 이루어지는 것을 특징으로 하는 다층 금속박막의 제조 방법.
- 금속박막의 제조 방법에 있어서,이오나이즈드 물리적기상증착법을 이용하여 제 1 티타늄을 50Å∼149Å의 두께로 증착하는 단계;상기 제 1 티타늄 상에 티타늄나이트라이드를 증착하는 단계;후속 알루미늄막의 <111>배향성을 증가시키기 위해 상기 티타늄나이트라이드상에 제 2 티타늄을 증착하는 단계; 및상기 제 2 티타늄상에 알루미늄막을 증착하는 단계를 포함하여 이루어짐을 특징으로 하는 다층 금속박막의 제조 방법.
- 제 10 항에 있어서,상기 제 2 티타늄은 <002> 배향성이 우수한 물리적기상증착법 또는 이오나이즈드 물리적기상증착법 중 어느 하나를 이용하여 증착되는 것을 특징으로 하는 다층 금속박막의 제조 방법.
- 제 10 항 또는 제 11 항에 있어서,상기 제 2 티타늄은 50Å∼500Å의 두께로 증착되는 것을 특징으로 하는 다층 금속박막의 제조 방법.
- 제 10 항에 있어서,상기 티타늄나이트라이드상에 텅스텐막을 증착하는 단계를 더 포함하여 이루어짐을 특징으로 하는 다층 금속박막의 제조 방법.
- 제 10 항에 있어서,상기 이오나이즈드 물리적기상증착법을 이용하여 상기 제 1 티타늄을 증착할 경우, RF코일, 할로우캐소드 또는 마그네트론 중 어느 하나를 이용하되, 0∼500W의 교류바이어스를 인가하는 것을 특징으로 하는 다층 금속박막의 제조 방법.
- 제 14 항에 있어서,상기 RF코일을 이용하는 경우, 1mtorr∼100mtorr의 압력에서 0∼500W의 교류바이어스를 인가하고, 상기 RF코일에 0.5∼5kW의 직류바이어스를 인가하는 것을 특징으로 하는 다층 금속박막의 제조 방법.
- 삭제
- 제 10 항에 있어서,상기 티타늄나이트라이드막은 물리적기상증착법, 이오나이즈드 물리적기상증착법 또는 유기금속화학기상증착법 중 어느 하나를 이용하여 50Å∼500Å두께로 증착되는 것을 특징으로 하는 다층 금속박막의 제조 방법.
- 제 10 항에 있어서,상기 알루미늄막은 물리적기상증착법 또는 화학적기상증착법을 이용하여 증착되는 것을 특징으로 하는 다층 금속박막의 제조 방법.
- 제 10 항 또는 제 18 항에 있어서,상기 화학적기상증착법을 이용하여 상기 알루미늄막을 증착하는 경우, 알루미늄전구체는 DMAH[(CH3)2AlH] 또는 DMEAA[AlH3N(CH3)2(C2H5)] 중 어느 하나의 유기금속화합물 또는 이들의 혼합물을 이용하는 것을 특징으로 하는 다층 금속박막의 제조 방법.
- 제 10 항 또는 제 18 항에 있어서,상기 화학적기상증착법을 이용하여 상기 알루미늄막을 증착하는 경우, 알루미늄전구체는 DMAH에 부가물을 첨가한 혼합물을 사용하는 것을 특징으로 하는 다층 금속박막의 제조 방법.
- 제 19 항에 있어서,상기 화학적기상증착법을 이용하여 상기 알루미늄막을 증착하는 경우, 150∼300℃의 온도와 1torr∼100torr의 압력에서 이루어지는 것을 특징으로 하는 다층 금속박막의 제조 방법.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020000037400A KR100560296B1 (ko) | 2000-06-30 | 2000-06-30 | 다층 금속박막의 제조 방법 |
US09/892,536 US20020001946A1 (en) | 2000-06-30 | 2001-06-28 | Method and fabricating metal interconnection with reliability using ionized physical vapor deposition |
US10/396,469 US20030186498A1 (en) | 2000-06-30 | 2003-03-26 | Method for fabricating metal interconnection with reliability using ionized physical vapor deposition |
US11/101,606 US20050181600A1 (en) | 2000-06-30 | 2005-04-08 | Method of forming a semiconductor device having a Ti/TiN/Ti<002>/a1<111> laminate |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20160024827A (ko) | 2015-10-19 | 2016-03-07 | 덕산하이메탈(주) | 다층 도금막을 이용한 피접합재 저온 접합 방법 |
KR20160125922A (ko) | 2015-04-22 | 2016-11-01 | 덕산하이메탈(주) | 비정질 특성을 갖는 접합소재 및 이의 제조방법 |
KR20170011901A (ko) | 2015-07-24 | 2017-02-02 | 덕산하이메탈(주) | 도금에 의한 발열 및 비정질 특성을 갖는 박판 제조방법 |
KR20170014720A (ko) | 2015-07-31 | 2017-02-08 | 덕산하이메탈(주) | 비정질 및 발열특성을 갖는 금속 도금막을 이용한 피접합재 저온 접합 방법 |
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US6984574B2 (en) * | 2002-01-23 | 2006-01-10 | Mosel Vitelic, Inc. | Cobalt silicide fabrication using protective titanium |
KR101005739B1 (ko) * | 2003-07-12 | 2011-01-06 | 매그나칩 반도체 유한회사 | 반도체 소자의 금속배선 형성 방법 |
US20160362536A1 (en) * | 2015-06-11 | 2016-12-15 | Dragan Simovic | Low viscosity mannich base curing agents |
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EP0717436A2 (en) * | 1994-12-15 | 1996-06-19 | Motorola, Inc. | Process for fabricating a collimated metal layer and contact structure in a semiconductor device |
KR19980080769A (ko) * | 1997-03-27 | 1998-11-25 | 조셉제이.스위니 | 높은{111}방향성 알루미늄 상호접속Ti/TiN/TiNx 기초층 |
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Publication number | Priority date | Publication date | Assignee | Title |
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KR20160125922A (ko) | 2015-04-22 | 2016-11-01 | 덕산하이메탈(주) | 비정질 특성을 갖는 접합소재 및 이의 제조방법 |
KR20160125923A (ko) | 2015-04-22 | 2016-11-01 | 덕산하이메탈(주) | 나노 그레인 사이즈에 의한 발열 반응을 이용한 저온 소결 접합소재 및 이의 제조방법 |
KR20170011901A (ko) | 2015-07-24 | 2017-02-02 | 덕산하이메탈(주) | 도금에 의한 발열 및 비정질 특성을 갖는 박판 제조방법 |
KR20170014720A (ko) | 2015-07-31 | 2017-02-08 | 덕산하이메탈(주) | 비정질 및 발열특성을 갖는 금속 도금막을 이용한 피접합재 저온 접합 방법 |
KR20160024827A (ko) | 2015-10-19 | 2016-03-07 | 덕산하이메탈(주) | 다층 도금막을 이용한 피접합재 저온 접합 방법 |
Also Published As
Publication number | Publication date |
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US20020001946A1 (en) | 2002-01-03 |
US20030186498A1 (en) | 2003-10-02 |
KR20020003016A (ko) | 2002-01-10 |
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