KR100870176B1 - 니켈 합금 샐리사이드 공정, 이를 사용하여 반도체소자를제조하는 방법, 그에 의해 형성된 니켈 합금 실리사이드막및 이를 사용하여 제조된 반도체소자 - Google Patents
니켈 합금 샐리사이드 공정, 이를 사용하여 반도체소자를제조하는 방법, 그에 의해 형성된 니켈 합금 실리사이드막및 이를 사용하여 제조된 반도체소자 Download PDFInfo
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- KR100870176B1 KR100870176B1 KR1020030042838A KR20030042838A KR100870176B1 KR 100870176 B1 KR100870176 B1 KR 100870176B1 KR 1020030042838 A KR1020030042838 A KR 1020030042838A KR 20030042838 A KR20030042838 A KR 20030042838A KR 100870176 B1 KR100870176 B1 KR 100870176B1
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- nickel alloy
- film
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- nickel
- alloy silicide
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- 229910021332 silicide Inorganic materials 0.000 title claims abstract description 172
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 title claims abstract description 171
- 229910000990 Ni alloy Inorganic materials 0.000 title claims abstract description 151
- 238000000034 method Methods 0.000 title claims abstract description 79
- 239000004065 semiconductor Substances 0.000 title claims abstract description 76
- 239000000758 substrate Substances 0.000 claims abstract description 45
- 239000000654 additive Substances 0.000 claims abstract description 25
- 230000000996 additive effect Effects 0.000 claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 claims abstract description 21
- 239000010410 layer Substances 0.000 claims description 103
- 229910052715 tantalum Inorganic materials 0.000 claims description 43
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical group [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 43
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 34
- 229910052710 silicon Inorganic materials 0.000 claims description 33
- 239000010703 silicon Substances 0.000 claims description 33
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 21
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 21
- 238000010438 heat treatment Methods 0.000 claims description 20
- 229910052721 tungsten Inorganic materials 0.000 claims description 17
- 239000010937 tungsten Substances 0.000 claims description 17
- 239000011651 chromium Substances 0.000 claims description 14
- 239000012535 impurity Substances 0.000 claims description 14
- 239000010955 niobium Substances 0.000 claims description 14
- 239000010936 titanium Substances 0.000 claims description 14
- 229910017052 cobalt Inorganic materials 0.000 claims description 12
- 239000010941 cobalt Substances 0.000 claims description 12
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 12
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 12
- 125000006850 spacer group Chemical group 0.000 claims description 11
- 229910052804 chromium Inorganic materials 0.000 claims description 8
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 7
- 229910052735 hafnium Inorganic materials 0.000 claims description 7
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 229910052758 niobium Inorganic materials 0.000 claims description 7
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 7
- 229910052763 palladium Inorganic materials 0.000 claims description 7
- 229910052697 platinum Inorganic materials 0.000 claims description 7
- VSZWPYCFIRKVQL-UHFFFAOYSA-N selanylidenegallium;selenium Chemical compound [Se].[Se]=[Ga].[Se]=[Ga] VSZWPYCFIRKVQL-UHFFFAOYSA-N 0.000 claims description 7
- 229910052719 titanium Inorganic materials 0.000 claims description 7
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims description 7
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims description 3
- 239000011229 interlayer Substances 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims 2
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- VMJRMGHWUWFWOB-UHFFFAOYSA-N nickel tantalum Chemical compound [Ni].[Ta] VMJRMGHWUWFWOB-UHFFFAOYSA-N 0.000 description 78
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 25
- PEUPIGGLJVUNEU-UHFFFAOYSA-N nickel silicon Chemical compound [Si].[Ni] PEUPIGGLJVUNEU-UHFFFAOYSA-N 0.000 description 16
- 229910052759 nickel Inorganic materials 0.000 description 12
- 229910052751 metal Inorganic materials 0.000 description 11
- 239000002184 metal Substances 0.000 description 11
- 150000002500 ions Chemical class 0.000 description 9
- 229910021334 nickel silicide Inorganic materials 0.000 description 7
- RUFLMLWJRZAWLJ-UHFFFAOYSA-N nickel silicide Chemical compound [Ni]=[Si]=[Ni] RUFLMLWJRZAWLJ-UHFFFAOYSA-N 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 235000012431 wafers Nutrition 0.000 description 6
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 5
- 229920005591 polysilicon Polymers 0.000 description 5
- -1 tungsten nitride Chemical class 0.000 description 5
- 229910005883 NiSi Inorganic materials 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 241000894007 species Species 0.000 description 4
- 238000000137 annealing Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000004627 transmission electron microscopy Methods 0.000 description 3
- 229910005881 NiSi 2 Inorganic materials 0.000 description 2
- 241000849798 Nita Species 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 229910021417 amorphous silicon Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005468 ion implantation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005001 rutherford backscattering spectroscopy Methods 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000386 microscopy Methods 0.000 description 1
- XIKYYQJBTPYKSG-UHFFFAOYSA-N nickel Chemical compound [Ni].[Ni] XIKYYQJBTPYKSG-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910021341 titanium silicide Inorganic materials 0.000 description 1
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 description 1
- 229910021342 tungsten silicide Inorganic materials 0.000 description 1
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Abstract
Description
탄탈륨 함량 | 상부 NiTa 실리사이드막 | 하부 NiTa 실리사이드막 | ||||||
Ni | Ta | Si | 두께 | Ni | Ta | Si | 두께 | |
3.5 at% | 60 at% | 12 at% | 28 at% | 39 Å | 48 at% | 0.1 at% | 51.9at% | 320 Å |
5 at% | 30 at% | 54 at% | 16 at% | 33 Å | 50 at% | 0.2 at% | 49.8at% | 420 Å |
10 at% | 1 at% | 98 at% | 1 at% | 40 Å | 50 at% | 0.2 at% | 49.8at% | 435 Å |
Claims (46)
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- 반도체기판의 소정영역에 모스 트랜지스터를 형성하되, 상기 모스 트랜지스터는 서로 이격된 소오스 영역 및 드레인 영역, 및 상기 소오스 영역 및 상기 드레인 영역 사이에 형성된 게이트 전극을 갖고,상기 모스 트랜지스터를 갖는 반도체기판 상에 적어도 한 종류의 첨가원소를 함유하는 니켈 합금막을 형성하되, 상기 적어도 한 종류의 첨가원소의 함량은 0.1 atomic% 내지 10 atomic%이고,상기 니켈 합금막을 갖는 반도체기판을 열처리하여 상기 소오스 영역, 상기 드레인 영역 및 상기 게이트 전극 중 적어도 하나에 니켈 합금 실리사이드막을 형성하는 것을 포함하는 반도체소자의 제조방법.
- 제 9 항에 있어서,상기 니켈 합금막을 형성하기 전에,상기 게이트 전극의 측벽에 스페이서를 형성하는 것을 더 포함하되, 상기 소오스 영역, 상기 드레인 영역 및 상기 게이트 전극을 노출하는 반도체소자의 제조방법.
- 제 9 항에 있어서,상기 니켈 합금막을 형성하기 전에,상기 게이트 전극 상에 게이트 캐핑 패턴을 형성하는 것을 더 포함하되, 상기 소오스 영역 및 상기 드레인 영역을 노출하는 반도체소자의 제조방법.
- 제 9 항에 있어서,상기 적어도 한 종류의 첨가원소의 함량은 0.1 atomic% 내지 5 atomic%인 것을 특징으로 하는 반도체소자의 제조방법.
- 제 9 항에 있어서,상기 적어도 한 종류의 첨가원소는 탄탈륨(Ta), 지르코늄(Zr), 타이타늄(Ti), 하프니움(Hf), 텅스텐(W), 코발트(Co), 백금(Pt), 크롬(Cr), 팔라디움(Pd), 바나디움(V) 및 니오비움(Nb)으로 이루어진 일 군중 적어도 하나인 것을 특징으로 하는 반도체소자의 제조방법.
- 제 9 항에 있어서,상기 적어도 한 종류의 첨가원소는 탄탈륨(Ta)인 것을 특징으로 하는 반도체소자의 제조방법.
- 제 9 항에 있어서,상기 니켈 합금막을 열처리하는 것은 200℃ 내지 700℃의 온도에서 실시되는 것을 특징으로 하는 반도체소자의 제조방법.
- 제 9 항에 있어서,상기 니켈 합금막을 열처리하는 것은 300℃ 내지 500℃의 온도에서 실시되는 것을 특징으로 하는 반도체소자의 제조방법.
- 제 9 항에 있어서,상기 니켈 합금 실리사이드막을 형성한 후에,미반응된(unreacted) 니켈 합금막을 제거하고,상기 미반응된 니켈 합금막이 제거된 반도체기판에 층간절연막을 형성하는 것을 더 포함하는 반도체소자의 제조방법.
- 제 17 항에 있어서,상기 니켈 합금막의 열처리 전에 상기 니켈 합금막 상에 캐핑막을 형성하는 것을 더 포함하되, 상기 캐핑막은 상기 미반응된 니켈 합금막과 함께 제거되는 것을 특징으로 하는 반도체소자의 제조방법.
- 제 18 항에 있어서,상기 캐핑막은 타이타늄 질화막으로 형성하는 것을 특징으로 하는 반도체소자의 제조방법.
- 제 9 항에 있어서,상기 니켈 합금막을 형성하기 전에,상기 반도체기판상에 상기 소오스 영역 및 상기 드레인 영역을 덮고 상기 게이트 전극을 노출하는 마스크 패턴을 형성하는 것을 더 포함하는 반도체소자의 제조방법.
- 삭제
- 삭제
- 삭제
- 삭제
- 반도체기판의 표면 및 도전체 중 적어도 하나에 형성되되, 제1 함량(first content)을 갖는 적어도 한 종류의 첨가원소(at least one species of additive element)를 함유하는 하부 니켈 합금 실리사이드막; 및상기 하부 니켈 합금 실리사이드막 상에 형성되고 상기 제1 함량보다 큰 제2 함량을 갖는 상기 적어도 한 종류의 첨가원소를 함유하는 상부 니켈 합금 실리사이드막을 포함하되, 상기 상부 니켈 합금 실리사이드막은 상기 하부 니켈 합금 실리사이드막보다 얇은 것을 특징으로 하는 니켈 합금 실리사이드막.
- 제 25 항에 있어서,상기 반도체기판은 N형 불순물들 또는 P형 불순물들로 도우핑된 불순물 영역인 것을 특징으로 하는 니켈 합금 실리사이드막.
- 제 25 항에 있어서,상기 도전체는 실리콘 패턴인 것을 특징으로 하는 니켈 합금 실리사이드막.
- 제 25 항에 있어서,상기 적어도 한 종류의 첨가원소는 탄탈륨(Ta), 지르코늄(Zr), 타이타늄(Ti), 하프니움(Hf), 텅스텐(W), 코발트(Co), 백금(Pt), 크롬(Cr), 팔라디움(Pd), 바나디움(V) 및 니오비움(Nb)으로 이루어진 일 군중 적어도 하나인 것을 특징으로 하는 니켈 합금 실리사이드막.
- 제 25 항에 있어서,상기 적어도 한 종류의 첨가원소는 탄탈륨(Ta)인 것을 특징으로 하는 니켈 합금 실리사이드막.
- 제 28 항에 있어서,상기 제1 함량은 0 atomic% 내지 4.9 atomic%이고, 상기 제2 함량은 5 atomic% 내지 60 atomic%인 것을 특징으로 하는 니켈 합금 실리사이드막.
- 제 28 항에 있어서,상기 하부 니켈 합금 실리사이드막은 상기 상부 니켈 합금 실리사이드막 및 상기 하부 니켈 합금 실리사이드막의 전체두께(total thickness)의 적어도 70%에 해당하는 두께를 갖는 것을 특징으로 하는 니켈 합금 실리사이드막.
- 반도체기판에 형성되고 서로 이격된 소오스 영역 및 드레인 영역;상기 소오스 영역 및 상기 드레인 영역 사이에 형성된 게이트 전극; 및상기 소오스 영역, 상기 드레인 영역 및 상기 게이트 전극 중 적어도 하나에 형성된 니켈 합금 실리사이드막을 포함하되, 상기 니켈 합금 실리사이드막은 하부 니켈 합금 실리사이드막 및 상부 니켈 합금 실리사이드막을 갖고, 상기 하부 니켈 합금 실리사이드막은 제1 함량(first content)을 갖는 적어도 한 종류의 첨가원소(at least one species of additive element)를 함유하고, 상기 상부 니켈 합금 실리사이드막은 상기 제1 함량보다 큰 제2 함량을 갖는 상기 적어도 한 종류의 첨가원소를 함유하는 반도체소자.
- 제 32 항에 있어서,상기 게이트 전극 상에 형성된 게이트 캐핑 패턴을 더 포함하는 반도체소자.
- 제 32 항에 있어서,상기 소오스 영역, 상기 드레인 영역 및 상기 게이트 전극에 형성된 상기 니켈 합금 실리사이드막은 동일한 물질구조를 갖는 반도체소자.
- 제 32 항에 있어서,상기 적어도 한 종류의 첨가원소는 탄탈륨(Ta), 지르코늄(Zr), 타이타늄(Ti), 하프니움(Hf), 텅스텐(W), 코발트(Co), 백금(Pt), 크롬(Cr), 팔라디움(Pd), 바나디움(V) 및 니오비움(Nb)으로 이루어진 일 군중 적어도 하나인 것을 특징으로 하는 반도체소자.
- 제 32 항에 있어서,상기 적어도 한 종류의 첨가원소는 탄탈륨(Ta)인 것을 특징으로 하는 반도체소자.
- 제 35 항에 있어서,상기 제1 함량은 0 atomic% 내지 4.9 atomic%이고, 상기 제2 함량은 5 atomic% 내지 60 atomic%인 것을 특징으로 하는 반도체소자.
- 제 35 항에 있어서,상기 하부 니켈 합금 실리사이드막은 상기 니켈 합금 실리사이드막의 전체두께의 적어도 70%에 해당하는 두께를 갖는 것을 특징으로 하는 반도체소자.
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 제 32 항에 있어서,상기 니켈 합금 실리사이드막은 상기 게이트 전극에 형성된 반도체소자.
- 제 32 항에 있어서,상기 니켈 합금 실리사이드막은 상기 소오스 영역 및 상기 드레인 영역에 형성된 반도체소자.
- 제 32 항에 있어서,상기 소오스 영역 및 상기 드레인 영역을 덮고 상기 게이트 전극을 노출하는 평탄화된 마스크 패턴을 더 포함하는 반도체소자.
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KR1020030042838A KR100870176B1 (ko) | 2003-06-27 | 2003-06-27 | 니켈 합금 샐리사이드 공정, 이를 사용하여 반도체소자를제조하는 방법, 그에 의해 형성된 니켈 합금 실리사이드막및 이를 사용하여 제조된 반도체소자 |
TW092132871A TWI232502B (en) | 2003-06-27 | 2003-11-24 | Method of forming nickel silicide layer, nickel alloy salicide transistor structure and method for manufacturing same |
EP03027922A EP1492162A3 (en) | 2003-06-27 | 2003-12-04 | A method of forming a nickel silicide layer |
US10/726,638 US7781322B2 (en) | 2003-06-27 | 2003-12-04 | Nickel alloy salicide transistor structure and method for manufacturing same |
JP2003407902A JP2005019943A (ja) | 2003-06-27 | 2003-12-05 | ニッケル合金サリサイド工程、それを用いて半導体素子を製造する方法、これにより形成されたニッケル合金シリサイド膜及びそれを用いて製造された半導体素子 |
CNB2003101202074A CN100336186C (zh) | 2003-06-27 | 2003-12-09 | 形成硅化镍层以及半导体器件的方法 |
US10/812,003 US7232756B2 (en) | 2003-04-16 | 2004-03-30 | Nickel salicide process with reduced dopant deactivation |
US11/148,301 US20050236715A1 (en) | 2003-06-27 | 2005-06-09 | Nickel alloy salicide transistor structure and method for manufacturing same |
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- 2003-12-04 EP EP03027922A patent/EP1492162A3/en not_active Withdrawn
- 2003-12-04 US US10/726,638 patent/US7781322B2/en active Active
- 2003-12-05 JP JP2003407902A patent/JP2005019943A/ja not_active Withdrawn
- 2003-12-09 CN CNB2003101202074A patent/CN100336186C/zh not_active Expired - Lifetime
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CN1577768A (zh) | 2005-02-09 |
TWI232502B (en) | 2005-05-11 |
TW200501234A (en) | 2005-01-01 |
US20040266182A1 (en) | 2004-12-30 |
EP1492162A3 (en) | 2006-12-27 |
CN100336186C (zh) | 2007-09-05 |
KR20050001257A (ko) | 2005-01-06 |
JP2005019943A (ja) | 2005-01-20 |
US20050236715A1 (en) | 2005-10-27 |
EP1492162A2 (en) | 2004-12-29 |
US7781322B2 (en) | 2010-08-24 |
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