KR100948555B1 - 반도체 소자의 다마신 게이트 및 그의 제조방법 - Google Patents
반도체 소자의 다마신 게이트 및 그의 제조방법 Download PDFInfo
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- KR100948555B1 KR100948555B1 KR1020040058873A KR20040058873A KR100948555B1 KR 100948555 B1 KR100948555 B1 KR 100948555B1 KR 1020040058873 A KR1020040058873 A KR 1020040058873A KR 20040058873 A KR20040058873 A KR 20040058873A KR 100948555 B1 KR100948555 B1 KR 100948555B1
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- dry etching
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- insulating film
- planarization
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 49
- 239000004065 semiconductor Substances 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 52
- 238000005530 etching Methods 0.000 claims abstract description 18
- 238000001312 dry etching Methods 0.000 claims description 23
- 239000007789 gas Substances 0.000 claims description 16
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 12
- UMIVXZPTRXBADB-UHFFFAOYSA-N benzocyclobutene Chemical compound C1=CC=C2CCC2=C1 UMIVXZPTRXBADB-UHFFFAOYSA-N 0.000 claims description 12
- 238000000151 deposition Methods 0.000 claims description 12
- 150000004767 nitrides Chemical class 0.000 claims description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 239000001301 oxygen Substances 0.000 claims description 9
- 239000004642 Polyimide Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 229920001721 polyimide Polymers 0.000 claims description 8
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical group N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 6
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 claims description 6
- 239000000460 chlorine Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 4
- 229910018503 SF6 Inorganic materials 0.000 claims description 4
- 229910052801 chlorine Inorganic materials 0.000 claims description 4
- RJCRUVXAWQRZKQ-UHFFFAOYSA-N oxosilicon;silicon Chemical group [Si].[Si]=O RJCRUVXAWQRZKQ-UHFFFAOYSA-N 0.000 claims description 4
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 claims description 4
- 229960000909 sulfur hexafluoride Drugs 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims 2
- 229910052731 fluorine Inorganic materials 0.000 claims 2
- 239000011737 fluorine Substances 0.000 claims 2
- 238000000059 patterning Methods 0.000 abstract description 4
- 238000007796 conventional method Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 239000011810 insulating material Substances 0.000 abstract description 2
- 229920002120 photoresistant polymer Polymers 0.000 description 10
- 238000010894 electron beam technology Methods 0.000 description 9
- 239000000758 substrate Substances 0.000 description 6
- 230000008021 deposition Effects 0.000 description 5
- 229910002601 GaN Inorganic materials 0.000 description 3
- 230000003071 parasitic effect Effects 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 230000007261 regionalization Effects 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- VXEGSRKPIUDPQT-UHFFFAOYSA-N 4-[4-(4-methoxyphenyl)piperazin-1-yl]aniline Chemical compound C1=CC(OC)=CC=C1N1CCN(C=2C=CC(N)=CC=2)CC1 VXEGSRKPIUDPQT-UHFFFAOYSA-N 0.000 description 1
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- CRWSWMKELFKJMC-UHFFFAOYSA-N CC.F.F.F.F.F.F Chemical compound CC.F.F.F.F.F.F CRWSWMKELFKJMC-UHFFFAOYSA-N 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 229910003902 SiCl 4 Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000609 electron-beam lithography Methods 0.000 description 1
- 238000007687 exposure technique Methods 0.000 description 1
- 125000001153 fluoro group Chemical class F* 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- UNRFQJSWBQGLDR-UHFFFAOYSA-N methane trihydrofluoride Chemical compound C.F.F.F UNRFQJSWBQGLDR-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005546 reactive sputtering Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000005049 silicon tetrachloride Substances 0.000 description 1
- ABTOQLMXBSRXSM-UHFFFAOYSA-N silicon tetrafluoride Chemical compound F[Si](F)(F)F ABTOQLMXBSRXSM-UHFFFAOYSA-N 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- FAQYAMRNWDIXMY-UHFFFAOYSA-N trichloroborane Chemical compound ClB(Cl)Cl FAQYAMRNWDIXMY-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/785—Field effect transistors with field effect produced by an insulated gate having a channel with a horizontal current flow in a vertical sidewall of a semiconductor body, e.g. FinFET, MuGFET
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—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
- 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
- H01L21/28114—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor characterised by the sectional shape, e.g. T, inverted-T
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—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
- 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
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/32115—Planarisation
- H01L21/3212—Planarisation by chemical mechanical polishing [CMP]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—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
- 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
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
- H01L21/32133—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only
- H01L21/32135—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (14)
- 게이트 풋의 높이를 확보하는 절연막을 제조하는 제 1단계; 상기 절연막의 상부에 식각정지층을 제조하는 제 2단계; 상기 식각정지층의 상부에 평탄화용 절연막을 제조하는 제 3단계; 상기 평탄화용 절연막 상부에 게이트 헤드 식각공정을 위한 하드마스크 막을 제조하는 제 4단계; 건식 식각 방법을 이용하여 게이트 헤드를 제조하는 제 5단계; 소정의 패턴에 따른 건식 식각 방법을 이용하여 게이트 풋을 제조하는 제 6단계; 전면상부에 금속을 증착한 후 상부를 평탄화 방법으로 화학기계적연마(CMP), 평탄화 방법으로 에치 백(Etch-back)방법을 통해 전면 식각하여 다마신 게이트를 제조하는 제 7단계를 포함하는 것을 특징으로 하는 반도체소자의 다마신 게이트 제조방법.
- 제 1항에 있어서, 상기 제1 단계의 상기 절연막은 1.2 ~ 3.7의 유전율을 가지는 물질, BCB(benzocyclobutene), SOG(spin on glass), 폴리이미드(polyimide), PSG (phosposilicate glass) 중 어느 하나인 것을 특징으로 하는 반도체소자의 다마신 게이트 제조방법.
- 제 1항에 또는 제 2항에 있어서, 상기 제 2단계의 상기 식각정지층은 산화막 또는 질화막인 것을 특징으로 하는 반도체소자의 다마신 게이트 제조방법.
- 제 3항에 있어서, 상기 산화막은 산화-질화규소(SiON)인 것을 특징으로 하는 반도체소자의 다마신 게이트 제조방법.
- 제 3항에 있어서, 상기 질화막은 질화규소(Si3N4) 또는 산화-질화규소(SiON)인 것을 특징으로 하는 반도체소자의 다마신 게이트 제조방법.
- 제 1항에 있어서, 상기 제 3단계의 상기 평탄화용 절연막은 1.2 ~ 3.7의 유전율을 가지는 물질, BCB(benzocyclobutene), SOG(Spin-on-glass), 폴리이미드(polyimide), PSG(phosposilicate glass) 중 어느 하나인 것을 특징으로 하는 반도체소자의 다마신 게이트 제조방법.
- 제 6항에 있어서, 상기 제 4단계의 상기 하드마스크는 산화막 또는 질화막 인 것을 특징으로 하는 반도체소자의 다마신 게이트 제조방법.
- 제 7항에 있어서, 상기 산화막은 산화-질화규소(SiON)인 것을 특징으로 하는 반도체소자의 다마신 게이트 제조방법.
- 제 7항에 있어서, 상기 질화막은 질화규소(Si3N4) 또는 산화-질화규소(SiON)인 것을 특징으로 하는 반도체소자의 다마신 게이트 제조방법.
- 제 1항에 있어서, 상기 제 5단계는 건식식각시 플로린(fluorine)계열의 가스, 건식 식각시 클로린(chlorine)계열의 가스, 건식 식각시 사불화탄소/산소(CF4/O2)의 가스, 건식 식각시 육불화황(SF6)의 가스, 건식 식각시 산소(O2)의 가스 중 어느 하나를 사용하여 건식 식각하는 것을 특징으로 하는 반도체소자의 다마신 게이트 제조방법.
- 제 1항에 있어서, 상기 제 6단계는 건식 식각시 플로린(fluorine)계열의 가스, 건식 식각시 클로린(chlorine)계열의 가스, 건식 식각시 사불화탄소/산소(CF4/O2)의 가스, 건식 식각시 육불화황(SF6)의 가스, 건식 식각시 산소(O2)의 가스 중 어느 하나를 사용하여 건식 식각하는 것을 특징으로 하는 반도체소자의 다마신 게이트 제조방법.
- 삭제
- 제 1 항에 있어서,상기 게이트의 형상이 T형으로 식각되는 것을 특징으로 하는 반도체 소자의 다마신 게이트 제조방법.
- 제 1 항에 있어서,상기 게이트의 형상이 오프셋 게이트형으로 식각되는 것을 특징으로 하는 반도체 소자의 다마신 게이트 제조방법.
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KR100849926B1 (ko) * | 2006-12-06 | 2008-08-04 | 한국전자통신연구원 | 부정형 고 전자 이동도 트랜지스터 제조방법 |
KR100957877B1 (ko) * | 2007-12-28 | 2010-05-13 | 매그나칩 반도체 유한회사 | 반도체 소자의 제조 방법 |
CN113871466A (zh) * | 2021-08-30 | 2021-12-31 | 中国电子科技集团公司第十三研究所 | 一种GaN HEMT器件及制备方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20020002593A (ko) * | 2000-06-30 | 2002-01-10 | 박종섭 | 다마신 공정을 이용한 반도체 소자의 제조방법 |
US20020039809A1 (en) * | 1998-09-03 | 2002-04-04 | Bradley J. Howard | Process for using photo-definable layers in the manufacture of semiconductor devices and resulting structures of same |
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020039809A1 (en) * | 1998-09-03 | 2002-04-04 | Bradley J. Howard | Process for using photo-definable layers in the manufacture of semiconductor devices and resulting structures of same |
KR20020002593A (ko) * | 2000-06-30 | 2002-01-10 | 박종섭 | 다마신 공정을 이용한 반도체 소자의 제조방법 |
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