KR102684619B1 - 반도체 장치 및 그 제조 방법 - Google Patents
반도체 장치 및 그 제조 방법 Download PDFInfo
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- KR102684619B1 KR102684619B1 KR1020180103545A KR20180103545A KR102684619B1 KR 102684619 B1 KR102684619 B1 KR 102684619B1 KR 1020180103545 A KR1020180103545 A KR 1020180103545A KR 20180103545 A KR20180103545 A KR 20180103545A KR 102684619 B1 KR102684619 B1 KR 102684619B1
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 title abstract description 22
- 239000003990 capacitor Substances 0.000 claims abstract description 54
- 239000000758 substrate Substances 0.000 claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 claims abstract description 16
- 230000004888 barrier function Effects 0.000 claims description 54
- 238000000059 patterning Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 description 193
- 239000000463 material Substances 0.000 description 28
- 239000010936 titanium Substances 0.000 description 26
- 229910052751 metal Inorganic materials 0.000 description 19
- 239000002184 metal Substances 0.000 description 19
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 18
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 14
- 239000010949 copper Substances 0.000 description 14
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 13
- 229910052715 tantalum Inorganic materials 0.000 description 13
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 13
- 229910052719 titanium Inorganic materials 0.000 description 13
- 229910052782 aluminium Inorganic materials 0.000 description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 12
- 238000005530 etching Methods 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 229910000679 solder Inorganic materials 0.000 description 8
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- IVHJCRXBQPGLOV-UHFFFAOYSA-N azanylidynetungsten Chemical compound [W]#N IVHJCRXBQPGLOV-UHFFFAOYSA-N 0.000 description 7
- 229910052802 copper Inorganic materials 0.000 description 7
- 229910021332 silicide Inorganic materials 0.000 description 7
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 7
- 229910052814 silicon oxide Inorganic materials 0.000 description 7
- 229910052721 tungsten Inorganic materials 0.000 description 7
- 239000010937 tungsten Substances 0.000 description 7
- 239000004020 conductor Substances 0.000 description 6
- 150000002739 metals Chemical class 0.000 description 6
- 229910052759 nickel Inorganic materials 0.000 description 6
- 238000002161 passivation Methods 0.000 description 6
- 230000002265 prevention Effects 0.000 description 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 6
- -1 tungsten nitride Chemical class 0.000 description 6
- 229910052581 Si3N4 Inorganic materials 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 5
- 239000011521 glass Substances 0.000 description 4
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 3
- UMIVXZPTRXBADB-UHFFFAOYSA-N benzocyclobutene Chemical compound C1=CC=C2CCC2=C1 UMIVXZPTRXBADB-UHFFFAOYSA-N 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000000206 photolithography Methods 0.000 description 3
- 239000004642 Polyimide Substances 0.000 description 2
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 description 2
- HBVFXTAPOLSOPB-UHFFFAOYSA-N nickel vanadium Chemical compound [V].[Ni] HBVFXTAPOLSOPB-UHFFFAOYSA-N 0.000 description 2
- 229920003209 poly(hydridosilsesquioxane) Polymers 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 239000005368 silicate glass Substances 0.000 description 2
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 229910000673 Indium arsenide Inorganic materials 0.000 description 1
- GPXJNWSHGFTCBW-UHFFFAOYSA-N Indium phosphide Chemical compound [In]#P GPXJNWSHGFTCBW-UHFFFAOYSA-N 0.000 description 1
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- XWCMFHPRATWWFO-UHFFFAOYSA-N [O-2].[Ta+5].[Sc+3].[O-2].[O-2].[O-2] Chemical compound [O-2].[Ta+5].[Sc+3].[O-2].[O-2].[O-2] XWCMFHPRATWWFO-UHFFFAOYSA-N 0.000 description 1
- ILCYGSITMBHYNK-UHFFFAOYSA-N [Si]=O.[Hf] Chemical compound [Si]=O.[Hf] ILCYGSITMBHYNK-UHFFFAOYSA-N 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 239000004964 aerogel Substances 0.000 description 1
- MIQVEZFSDIJTMW-UHFFFAOYSA-N aluminum hafnium(4+) oxygen(2-) Chemical compound [O-2].[Al+3].[Hf+4] MIQVEZFSDIJTMW-UHFFFAOYSA-N 0.000 description 1
- VKJLWXGJGDEGSO-UHFFFAOYSA-N barium(2+);oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[O-2].[Ti+4].[Ba+2] VKJLWXGJGDEGSO-UHFFFAOYSA-N 0.000 description 1
- 239000005380 borophosphosilicate glass Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- VTGARNNDLOTBET-UHFFFAOYSA-N gallium antimonide Chemical compound [Sb]#[Ga] VTGARNNDLOTBET-UHFFFAOYSA-N 0.000 description 1
- 229910000449 hafnium oxide Inorganic materials 0.000 description 1
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 description 1
- WPYVAWXEWQSOGY-UHFFFAOYSA-N indium antimonide Chemical compound [Sb]#[In] WPYVAWXEWQSOGY-UHFFFAOYSA-N 0.000 description 1
- RPQDHPTXJYYUPQ-UHFFFAOYSA-N indium arsenide Chemical compound [In]#[As] RPQDHPTXJYYUPQ-UHFFFAOYSA-N 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- JQJCSZOEVBFDKO-UHFFFAOYSA-N lead zinc Chemical compound [Zn].[Pb] JQJCSZOEVBFDKO-UHFFFAOYSA-N 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- QLOAVXSYZAJECW-UHFFFAOYSA-N methane;molecular fluorine Chemical compound C.FF QLOAVXSYZAJECW-UHFFFAOYSA-N 0.000 description 1
- 125000000962 organic group Chemical group 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- KJXBRHIPHIVJCS-UHFFFAOYSA-N oxo(oxoalumanyloxy)lanthanum Chemical compound O=[Al]O[La]=O KJXBRHIPHIVJCS-UHFFFAOYSA-N 0.000 description 1
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 1
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000052 poly(p-xylylene) Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- VEALVRVVWBQVSL-UHFFFAOYSA-N strontium titanate Chemical compound [Sr+2].[O-][Ti]([O-])=O VEALVRVVWBQVSL-UHFFFAOYSA-N 0.000 description 1
- CZXRMHUWVGPWRM-UHFFFAOYSA-N strontium;barium(2+);oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[O-2].[O-2].[Ti+4].[Sr+2].[Ba+2] CZXRMHUWVGPWRM-UHFFFAOYSA-N 0.000 description 1
- 229910001936 tantalum oxide Inorganic materials 0.000 description 1
- OCGWQDWYSQAFTO-UHFFFAOYSA-N tellanylidenelead Chemical compound [Pb]=[Te] OCGWQDWYSQAFTO-UHFFFAOYSA-N 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- MAKDTFFYCIMFQP-UHFFFAOYSA-N titanium tungsten Chemical compound [Ti].[W] MAKDTFFYCIMFQP-UHFFFAOYSA-N 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
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- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
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- H01L21/76838—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
- H01L21/76841—Barrier, adhesion or liner layers
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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 2 및 도 3은 도 1의 R1을 확대한 다양한 확대도들이다.
도 4는 본 발명의 기술적 사상의 몇몇 실시예에 따른 반도체 장치를 설명하기 위한 개략적인 단면도이다.
도 5 및 도 6은 도 4의 R2를 확대한 다양한 확대도들이다.
도 7은 본 발명의 기술적 사상의 몇몇 실시예에 따른 반도체 장치를 설명하기 위한 개략적인 단면도이다.
도 8은 도 7의 R3를 확대한 확대도이다.
도 9는 본 발명의 기술적 사상의 몇몇 실시예에 따른 반도체 장치를 설명하기 위한 개략적인 단면도이다.
도 10은 본 발명의 기술적 사상의 몇몇 실시예에 따른 반도체 장치를 설명하기 위한 개략적인 단면도이다.
도 11은 본 발명의 기술적 사상의 몇몇 실시예에 따른 반도체 장치를 설명하기 위한 개략적인 단면도이다.
도 12는 본 발명의 기술적 사상의 몇몇 실시예에 따른 반도체 장치를 설명하기 위한 개략적인 단면도이다.
도 13은 본 발명의 기술적 사상의 몇몇 실시예에 따른 반도체 장치를 설명하기 위한 개략적인 단면도이다.
도 14는 본 발명의 기술적 사상의 몇몇 실시예에 따른 반도체 장치를 설명하기 위한 개략적인 단면도이다.
도 15 내지 도 24는 본 발명의 기술적 사상의 몇몇 실시예에 따른 반도체 장치의 제조 방법을 설명하기 위한 중간 단계 도면들이다.
도 25 및 도 26은 본 발명의 기술적 사상의 몇몇 실시예에 따른 반도체 장치의 제조 방법을 설명하기 위한 중간 단계 도면들이다.
도 27 및 도 28은 본 발명의 기술적 사상의 몇몇 실시예에 따른 반도체 장치의 제조 방법을 설명하기 위한 중간 단계 도면들이다.
310: 제1 도전층 320: 제2 도전층
400: 커패시터 구조체 410: 제1 전극 패턴
420: 유전 패턴 430: 제2 전극 패턴
510: 제1 배선 패턴 520: 제2 배선 패턴
530: 재배선 패턴
Claims (10)
- 기판 상에, 제1 트렌치를 포함하는 절연 구조체;
상기 절연 구조체 내에, 상기 제1 트렌치에 의해 상면의 일부가 노출되는 제1 도전층;
상기 제1 도전층 상에 차례로 적층되는 제1 전극 패턴, 유전 패턴 및 제2 전극 패턴을 포함하는 커패시터 구조체; 및
상기 커패시터 구조체 상의 제1 배선 패턴을 포함하고,
상기 제1 전극 패턴은 상기 제1 트렌치의 측벽 및 바닥면과, 상기 절연 구조체의 상면을 따라 연장되고,
상기 제1 트렌치로부터 상기 제1 전극 패턴의 말단까지의 제1 거리는, 상기 제1 트렌치로부터 상기 유전 패턴의 말단까지의 제2 거리보다 짧은 반도체 장치. - 제 1항에 있어서,
상기 유전 패턴은 상기 제1 전극 패턴의 상면의 프로파일을 따라 연장되고,
상기 제2 전극 패턴은 상기 유전 패턴의 상면의 프로파일을 따라 연장되는 반도체 장치. - 삭제
- 제 1항에 있어서,
상기 제1 배선 패턴과 이격되어 상기 절연 구조체의 상면을 따라 연장되고, 상기 제1 도전층의 상면과 접속되는 제2 배선 패턴을 더 포함하는 반도체 장치. - 제 4항에 있어서,
상기 제1 도전층과 상기 제2 배선 패턴 사이의 배리어층을 더 포함하고,
상기 절연 구조체는, 상기 제1 트렌치와 이격되어 상기 제1 도전층의 상면의 다른 일부를 노출시키는 제2 트렌치를 더 포함하고,
상기 배리어층은 상기 제2 트렌치의 측벽 및 바닥면과, 상기 절연 구조체의 상면을 따라 연장되는 반도체 장치. - 기판 상의 제1 도전층;
상기 제1 도전층 상에, 상기 제1 도전층의 상면의 일부를 노출시키는 제1 트렌치와, 상기 제1 트렌치와 이격되어 상기 제1 도전층의 상면의 다른 일부를 노출시키는 제2 트렌치를 포함하는 절연 구조체;
상기 제1 트렌치의 측벽 및 바닥면을 따라 연장되는 커패시터 구조체;
상기 커패시터 구조체 상에, 상기 절연 구조체의 상면을 따라 연장되는 제1 배선 패턴; 및
상기 제1 배선 패턴과 이격되어 상기 절연 구조체의 상면을 따라 연장되고, 상기 제2 트렌치를 채우는 제2 배선 패턴을 포함하는 반도체 장치. - 제 6항에 있어서,
상기 제2 트렌치의 측벽 및 바닥면을 따라 연장되는 배리어층을 더 포함하고,
상기 제2 배선 패턴은 상기 배리어층의 상면을 따라 연장되는 반도체 장치. - 기판 상에, 제1 트렌치를 포함하는 절연 구조체 및 상기 절연 구조체 내의 제1 도전층을 형성하되, 상기 제1 트렌치는 상기 제1 도전층의 상면의 일부를 노출시키고,
상기 제1 트렌치의 측벽 및 바닥면과, 상기 절연 구조체의 상면을 따라 연장되는 제1 전극 패턴을 형성하고,
상기 제1 전극 패턴 상에, 차례로 적층되는 유전 패턴 및 제2 전극 패턴을 형성하여 커패시터 구조체를 형성하고,
상기 커패시터 구조체 상에 제1 배선 패턴을 형성하는 것을 포함하는 반도체 장치의 제조 방법. - 제 8항에 있어서,
상기 절연 구조체는, 상기 제1 트렌치와 이격되어 상기 제1 도전층의 상면의 다른 일부를 노출시키는 제2 트렌치를 더 포함하고,
상기 제1 전극 패턴을 형성하는 것은,
상기 절연 구조체 및 상기 제1 도전층 상에 제1 전극막을 형성하고,
상기 제1 트렌치와 상기 제2 트렌치 사이의 상기 제1 전극막을 제거하는 것을 포함하는 반도체 장치의 제조 방법. - 제 9항에 있어서,
상기 유전 패턴 및 상기 제2 전극 패턴을 형성하는 것은,
상기 제1 전극 패턴 상에, 차례로 적층되는 유전막 및 제2 전극막을 형성하고,
상기 제1 전극 패턴보다 돌출되도록 상기 유전 패턴 및 상기 제2 전극 패턴을 패터닝하는 것을 포함하는 반도체 장치의 제조 방법.
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