KR102664033B1 - 반도체 장치 및 그 제조 방법 - Google Patents
반도체 장치 및 그 제조 방법 Download PDFInfo
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- KR102664033B1 KR102664033B1 KR1020170016165A KR20170016165A KR102664033B1 KR 102664033 B1 KR102664033 B1 KR 102664033B1 KR 1020170016165 A KR1020170016165 A KR 1020170016165A KR 20170016165 A KR20170016165 A KR 20170016165A KR 102664033 B1 KR102664033 B1 KR 102664033B1
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title description 30
- 239000000463 material Substances 0.000 claims abstract description 84
- 239000000758 substrate Substances 0.000 claims abstract description 31
- 125000006850 spacer group Chemical group 0.000 claims description 19
- 229910052692 Dysprosium Inorganic materials 0.000 claims description 5
- 229910052693 Europium Inorganic materials 0.000 claims description 5
- 229910052689 Holmium Inorganic materials 0.000 claims description 5
- 229910052779 Neodymium Inorganic materials 0.000 claims description 5
- 229910052769 Ytterbium Inorganic materials 0.000 claims description 5
- 229910052746 lanthanum Inorganic materials 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 17
- 238000009792 diffusion process Methods 0.000 description 59
- 238000010438 heat treatment Methods 0.000 description 39
- 239000010410 layer Substances 0.000 description 25
- 229910052710 silicon Inorganic materials 0.000 description 18
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 17
- 239000010703 silicon Substances 0.000 description 17
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 14
- 229910052814 silicon oxide Inorganic materials 0.000 description 13
- 150000001875 compounds Chemical class 0.000 description 11
- 229910052581 Si3N4 Inorganic materials 0.000 description 8
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 8
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 4
- 239000011229 interlayer Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229920013631 Sulfar Polymers 0.000 description 2
- 229910010041 TiAlC Inorganic materials 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 229910052732 germanium Inorganic materials 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
- 230000001590 oxidative effect Effects 0.000 description 2
- 150000002978 peroxides Chemical class 0.000 description 2
- 229920003209 poly(hydridosilsesquioxane) Polymers 0.000 description 2
- 239000005368 silicate glass Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 229910005540 GaP Inorganic materials 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 229910000673 Indium arsenide Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 229910003811 SiGeC Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-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
- 230000001154 acute effect Effects 0.000 description 1
- 239000004964 aerogel Substances 0.000 description 1
- UZQSJWBBQOJUOT-UHFFFAOYSA-N alumane;lanthanum Chemical compound [AlH3].[La] UZQSJWBBQOJUOT-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- -1 barium titanium barium titanium oxide Chemical compound 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 229910021480 group 4 element Inorganic materials 0.000 description 1
- 229910021478 group 5 element Inorganic materials 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
- 239000012535 impurity Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- RPQDHPTXJYYUPQ-UHFFFAOYSA-N indium arsenide Chemical compound [In]#[As] RPQDHPTXJYYUPQ-UHFFFAOYSA-N 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- JQJCSZOEVBFDKO-UHFFFAOYSA-N lead zinc Chemical compound [Zn].[Pb] JQJCSZOEVBFDKO-UHFFFAOYSA-N 0.000 description 1
- QLOAVXSYZAJECW-UHFFFAOYSA-N methane;molecular fluorine Chemical compound C.FF QLOAVXSYZAJECW-UHFFFAOYSA-N 0.000 description 1
- 229910003465 moissanite Inorganic materials 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
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920000052 poly(p-xylylene) Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000002356 single layer Substances 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
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 229910001936 tantalum oxide Inorganic materials 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 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
- H01L21/76801—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 dielectrics, e.g. smoothing
- H01L21/76835—Combinations of two or more different dielectric layers having a low dielectric constant
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- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/28008—Making conductor-insulator-semiconductor electrodes
- H01L21/28017—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon
- H01L21/28026—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor
- H01L21/28088—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the final conductor layer next to the insulator being a composite, e.g. TiN
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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
- H01L21/76801—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 dielectrics, e.g. smoothing
- H01L21/76819—Smoothing of the dielectric
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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
- H01L21/76801—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 dielectrics, e.g. smoothing
- H01L21/76837—Filling up the space between adjacent conductive structures; Gap-filling properties of dielectrics
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- H10D64/27—Electrodes not carrying the current to be rectified, amplified, oscillated or switched, e.g. gates
- H10D64/311—Gate electrodes for field-effect devices
- H10D64/411—Gate electrodes for field-effect devices for FETs
- H10D64/511—Gate electrodes for field-effect devices for FETs for IGFETs
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- H10D64/68—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes characterised by the insulator, e.g. by the gate insulator
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- H10D84/0165—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs the components including complementary IGFETs, e.g. CMOS devices
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- H10D84/0123—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs
- H10D84/0126—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs
- H10D84/0165—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs the components including complementary IGFETs, e.g. CMOS devices
- H10D84/0193—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs the components including complementary IGFETs, e.g. CMOS devices the components including FinFETs
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- H10D84/82—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs of only field-effect components
- H10D84/83—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs of only field-effect components of only insulated-gate FETs [IGFET]
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- H10D62/117—Shapes of semiconductor bodies
- H10D62/118—Nanostructure semiconductor bodies
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- H10D64/667—Electrodes having a conductor capacitively coupled to a semiconductor by an insulator, e.g. MIS electrodes the conductor comprising a layer of alloy material, compound material or organic material contacting the insulator, e.g. TiN workfunction layers
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- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Composite Materials (AREA)
- Chemical & Material Sciences (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Materials Engineering (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
도 2는 도 1의 A1 - A1, A2 - A2, A3 - A3, A4 - A4, A5 - A5 및 A6 - A6로 자른 단면도이다.
도 3은 도 1의 B1 - B1, B2 - B2, B3 - B3, B4 - B4, B5 - B5 및 B6 - B6로 자른 단면도이다.
도 4는 도 1의 C1 - C1, C2 - C2, C3 - C3, C4 - C4, C5 - C5 및 C6 - C6로 자른 단면도이다.
도 5는 본 발명의 몇몇 실시예들에 따른 반도체 장치를 설명하기 위한 단면도이다.
도 6은 본 발명의 몇몇 실시예들에 따른 반도체 장치를 설명하기 위한 단면도이다.
도 7 내지 도 19는 본 발명의 몇몇 실시예들에 따른 반도체 장치 제조 방법을 설명하기 위한 중간 단계 도면들이다.
도 20은 본 발명의 몇몇 실시예들에 따른 반도체 장치 제조 방법을 설명하기 위한 중간 단계 도면이다.
171, 471, 172, 272, 472, 572: 확산막
10, 20: 열처리
Claims (10)
- 제1 내지 제3 영역을 포함하는 기판;
상기 제1 내지 제3 영역의 상기 기판 상에 각각 형성되는 제1 내지 제3 계면막;
상기 제1 내지 제3 계면막 상에 각각 형성되는 제1 내지 제3 고유전율막으로서, 상기 제1 내지 제3 고유전율막의 다이폴(dipole) 형성 물질의 농도는 각각 제1 내지 제3 농도이고, 상기 제1 농도는 상기 제2 농도보다 크고, 상기 제2 농도는 상기 제3 농도보다 큰 제1 내지 제3 고유전율막;
상기 제1 내지 제3 고유전율막 상에 형성되는 제1 내지 제3 일함수 조절막으로서, 상기 제1 내지 제3 일함수 조절막의 두께는 각각 제1 내지 제3 두께이고, 상기 제1 두께는 상기 제2 두께보다 작고, 상기 제2 두께는 상기 제3 두께보다 작은 제1 내지 제3 일함수 조절막; 및
상기 제1 내지 제3 일함수 조절막 상에 각각 형성되는 제1 내지 제3 필링막을 포함하는 반도체 장치. - 제1 항에 있어서,
상기 다이폴 형성 물질은 La, Nd, Eu, Dy, Ho 및 Yb 중 적어도 하나를 포함하는 반도체 장치. - 제1 항에 있어서,
상기 제1 계면막, 제1 고유전율막, 제1 일함수 조절막 및 제1 필링막이 포함되는 제1 게이트 구조체와,
상기 제2 계면막, 제2 고유전율막, 제2 일함수 조절막 및 제2 필링막이 포함되는 제2 게이트 구조체와,
상기 제3 계면막, 제3 고유전율막, 제3 일함수 조절막 및 제3 필링막이 포함되는 제3 게이트 구조체와,
상기 제1 내지 제3 게이트 구조체의 측면에 각각 형성되는 제1 내지 제3 스페이서를 더 포함하는 반도체 장치. - 제3 항에 있어서,
상기 제1 내지 제3 게이트 구조체의 양 측에 형성되는 제1 내지 제3 소스/드레인을 더 포함하는 반도체 장치. - 제3 항에 있어서,
상기 제1 내지 제3 게이트 구조체는 각각 제1 내지 제3 문턱 전압을 가지고,
상기 제2 문턱 전압의 크기는 상기 제1 및 제3 문턱 전압 각각의 크기 사이로 형성되는 반도체 장치. - 제1 항에 있어서,
상기 제1 내지 제3 일함수 조절막은 상기 제1 내지 제3 고유전율막과 각각 직접 접하는 제1 내지 제3 하부 일함수 조절막과,
상기 제1 내지 제3 하부 일함수 조절막 상에 각각 형성되는 제1 내지 제3 상부 일함수 조절막을 포함하는 반도체 장치. - 제6 항에 있어서,
상기 제1 내지 제3 하부 일함수 조절막은 각각 제4 내지 제6 두께를 가지고, 상기 제4 두께는 상기 제5 두께보다 작고, 상기 제5 두께는 상기 제6 두께보다 작고,
상기 제1 내지 제3 상부 일함수 조절막의 두께는 모두 동일한 반도체 장치. - n형 영역과 p형 영역을 포함하는 기판으로서, 상기 n형 영역은 제1 내지 제3 영역을 포함하고, 상기 p형 영역은 제4 내지 제6 영역을 포함하는 기판;
상기 제1 내지 제6 영역의 상기 기판 상에 각각 형성되는 제1 내지 제6 계면막;
상기 제1 내지 제6 계면막 상에 각각 형성되는 제1 내지 제6 고유전율막으로서, 상기 제1 및 제4 고유전율막의 다이폴 형성 물질의 농도는 제1 농도이고, 상기 제2 및 제5 고유전율막의 상기 다이폴 형성 물질의 농도는 제2 농도이고, 상기 제3 및 제6 고유전율막의 상기 다이폴 형성 물질의 농도는 제3 농도이고, 상기 제1 농도는 상기 제2 농도보다 크고, 상기 제2 농도는 상기 제3 농도보다 큰 제1 내지 제6 고유전율막;
상기 제1 내지 제3 고유전율막 상에 형성되는 제1 내지 제3 일함수 조절막으로서, 상기 제1 내지 제3 일함수 조절막의 두께는 각각 제1 내지 제3 두께이고, 상기 제1 두께는 상기 제2 두께보다 작고, 상기 제2 두께는 상기 제3 두께보다 작은 제1 내지 제3 일함수 조절막; 및
상기 제4 내지 제6 고유전율막 상에 형성되는 제4 내지 제6 일함수 조절막으로서, 상기 제4 내지 제6 일함수 조절막의 두께는 각각 제4 내지 제6 두께이고, 상기 제4 두께는 상기 제5 두께보다 작고, 상기 제5 두께는 상기 제6 두께보다 작은 제4 내지 제6 일함수 조절막을 포함하는 반도체 장치. - 제8 항에 있어서,
상기 제1 내지 제3 일함수 조절막은 상기 제1 내지 제3 고유전율막과 각각 직접 접하는 제1 내지 제3 하부 일함수 조절막과,
각각 상기 제1 내지 제3 하부 일함수 조절막 상에서, 상기 제1 내지 제3 하부 일함수 조절막과 각각 직접 접하는 제1 내지 제3 상부 일함수 조절막을 포함하는 반도체 장치. - 제9 항에 있어서,
상기 제4 내지 제6 일함수 조절막은 상기 제4 내지 제6 고유전율막과 각각 직접 접하는 제4 내지 제6 하부 일함수 조절막과,
상기 제4 내지 제6 하부 일함수 조절막 상에 각각 형성되는 제1 내지 제3 중간 일함수 조절막과,
상기 제1 내지 제3 중간 일함수 조절막 상에 각각 형성되는 제4 내지 제6 상부 일함수 조절막을 포함하는 반도체 장치.
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