KR100829597B1 - 반도체 장치의 세정 방법 및 제조 방법 - Google Patents
반도체 장치의 세정 방법 및 제조 방법 Download PDFInfo
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- KR100829597B1 KR100829597B1 KR1020060110900A KR20060110900A KR100829597B1 KR 100829597 B1 KR100829597 B1 KR 100829597B1 KR 1020060110900 A KR1020060110900 A KR 1020060110900A KR 20060110900 A KR20060110900 A KR 20060110900A KR 100829597 B1 KR100829597 B1 KR 100829597B1
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- cleaning solution
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- 238000004140 cleaning Methods 0.000 title claims abstract description 194
- 238000000034 method Methods 0.000 title claims abstract description 169
- 239000004065 semiconductor Substances 0.000 title claims abstract description 61
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 claims abstract description 54
- 229910021342 tungsten silicide Inorganic materials 0.000 claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 48
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 30
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052751 metal Inorganic materials 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 13
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000012535 impurity Substances 0.000 claims description 60
- 239000000758 substrate Substances 0.000 claims description 27
- 238000010405 reoxidation reaction Methods 0.000 claims description 19
- 238000005530 etching Methods 0.000 claims description 15
- 239000000908 ammonium hydroxide Substances 0.000 claims description 11
- 238000007254 oxidation reaction Methods 0.000 claims description 9
- 125000006850 spacer group Chemical group 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 6
- 238000007598 dipping method Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 1
- 235000011114 ammonium hydroxide Nutrition 0.000 abstract description 11
- 239000002245 particle Substances 0.000 abstract 3
- 239000010408 film Substances 0.000 description 62
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 9
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 6
- 229920005591 polysilicon Polymers 0.000 description 6
- 239000010409 thin film Substances 0.000 description 5
- 238000000059 patterning Methods 0.000 description 4
- 229910021332 silicide Inorganic materials 0.000 description 4
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 4
- 230000004907 flux Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910052715 tantalum Inorganic materials 0.000 description 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 2
- 229910021341 titanium silicide Inorganic materials 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000005108 dry cleaning Methods 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000007670 refining 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
- WNUPENMBHHEARK-UHFFFAOYSA-N silicon tungsten Chemical compound [Si].[W] WNUPENMBHHEARK-UHFFFAOYSA-N 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/39—Organic or inorganic per-compounds
- C11D3/3947—Liquid compositions
-
- 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
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/304—Mechanical treatment, e.g. grinding, polishing, cutting
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/02—Inorganic compounds
- C11D7/04—Water-soluble compounds
- C11D7/06—Hydroxides
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/02—Inorganic compounds
- C11D7/04—Water-soluble compounds
- C11D7/08—Acids
-
- 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
- H01L21/02041—Cleaning
- H01L21/02057—Cleaning during device manufacture
- H01L21/02068—Cleaning during device manufacture during, before or after processing of conductive layers, e.g. polysilicon or amorphous silicon layers
- H01L21/02071—Cleaning during device manufacture during, before or after processing of conductive layers, e.g. polysilicon or amorphous silicon layers the processing being a delineation, e.g. RIE, of conductive layers
-
- 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
- H01L21/28247—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon passivation or protection of the electrode, e.g. using re-oxidation
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
- C11D2111/10—Objects to be cleaned
- C11D2111/14—Hard surfaces
- C11D2111/22—Electronic devices, e.g. PCBs or semiconductors
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- 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
- H01L21/28035—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 silicon, e.g. polysilicon, with or without impurities
- H01L21/28044—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 silicon, e.g. polysilicon, with or without impurities the conductor comprising at least another non-silicon conductive layer
- H01L21/28061—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 silicon, e.g. polysilicon, with or without impurities the conductor comprising at least another non-silicon conductive layer the conductor comprising a metal or metal silicide formed by deposition, e.g. sputter deposition, i.e. without a silicidation reaction
-
- 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
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/6656—Unipolar field-effect transistors with an insulated gate, i.e. MISFET using multiple spacer layers, e.g. multiple sidewall spacers
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- Chemical & Material Sciences (AREA)
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- Oil, Petroleum & Natural Gas (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Cleaning Or Drying Semiconductors (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
본 발명의 일 실시예에 따르면, 상기 오존수에 포함된 오존 농도는 10 내지 100 ppm이며, 상기 제2 세정 용액을 이용하여 상기 구조물에 부착된 불순물들을 제거하는 단계는 0 내지 50℃ 의 온도에서 수행한다.
앞에서 언급한 바와 같이, 상기 세정 공정은 오존수를 포함하는 제1 세정 용액과 수산화암모늄, 과산화수속 및 순수를 포함하는 제2 세정 용액을 이용하여 수행할 수도 있다. 즉, 상기 세정 공정은 도 3을 참조하여 상술한 세정 방법 2를 이용하여 수행할 수 있을 것이다.
Claims (18)
- 오존(O3)수를 포함하는 제1 세정 용액을 이용하여 금속을 포함하는 게이트 패턴을 소비시키지 않으면서 상기 게이트 패턴에 부착된 불순물들을 제거하는 단계; 및수산화암모늄(NH4OH), 과산화수소(H2O2) 및 순수(DI water)를 포함하는 제2 세정 용액을 이용하여 상기 게이트 패턴에 잔재하는 불순물들을 제거하는 단계를 포함하는 세정 방법.
- 제1 항에 있어서, 상기 금속은 텅스텐 실리사이드인 것을 특징으로 하는 세정 방법.
- 삭제
- 제1 항에 있어서, 상기 오존수에 포함된 오존 농도는 10 내지 100 ppm 인 것을 특징으로 하는 세정 방법.
- 제1 항에 있어서, 상기 제2 세정 용액을 이용하여 상기 구조물에 부착된 불순물들을 제거하는 단계는 0 내지 50℃ 의 온도에서 수행하는 것을 특징으로 세정 방법.
- 제1 항에 있어서, 상기 제2 세정 용액은 HF를 더 포함하는 것을 특징으로 하는 세정 방법.
- 제6 항에 있어서, 상기 HF의 농도는 0.01 내지 0.1 퍼센트의 농도를 갖는 것을 특징으로 하는 세정 방법.
- 제1 항에 있어서, 상기 구조물에 부착된 불순물들을 제거하는 단계 이후,상기 구조물을 린스하는 단계; 및상기 구조물을 건조하는 단계를 더 포함하는 것을 특징으로 하는 세정 방법.
- 제1 항에 있어서, 상기 제1 세정 용액 및 상기 제2 세정 용액을 이용하여 상기 구조물에 부차된 불순물들을 제거하는 단계는 딥핑(dipping) 공정, 스프레이(spray) 고정, 스핀(spin) 공정 또는 이소프로필알코올을 이용한 증기건조(iso-propyle alcohol vapor dryer) 공정으로 수행하는 것을 특징으로 세정 방법.
- 반도체 기판 상에 절연막 및 도전막을 순차적으로 형성하는 단계;상기 결과물을 순차적으로 식각하여 절연막 패턴 및 도전막 패턴을 포함하는 게이트 패턴을 형성하는 단계;오존(O3)수를 포함하는 제1 세정 용액을 이용하여 금속을 포함하는 상기 게이트 패턴을 소비시키지 않으면서 상기 게이트 패턴에 부착된 불순물들을 제거하는 단계; 및수산화암모늄(NH4OH), 과산화수소(H2O2) 및 순수(DI water)를 포함하는 제2 세정 용액을 이용하여 상기 게이트 패턴에 잔재하는 불순물들을 제거하는 단계를 포함하는 반도체 장치의 제조 방법.
- 제10 항에 있어서, 상기 도전막 패턴은 텅스텐 실리사이드로 이루어진 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제10 항에 있어서, 상기 오존수에 포함된 오존 농도는 10 내지 100 ppm 인 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제10 항에 있어서, 상기 제2 세정 용액을 이용하여 상기 게이트 패턴에 부착된 불순물들을 제거하는 단계는 0 내지 50℃ 의 온도에서 수행하는 것을 특징으로 반도체 장치의 제조 방법.
- 제10 항에 있어서, 상기 제2 세정 용액은 HF를 더 포함하는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제14 항에 있어서, 상기 HF는 0.01 내지 0.1 퍼센트의 농도를 갖는 것을 특징으로 반도체 장치의 제조 방법.
- 제10 항에 있어서, 상기 제1 세정 용액 및 제2 세정 용액을 이용하여 상기 게이트 패턴에 부착된 불순물들을 제거하는 단계 이후에,상기 게이트 패턴이 형성된 상기 반도체 기판에 재산화(re-oxidation) 공정을 수행하여 상기 반도체 기판 및 상기 게이트 패턴의 외부 표면에 산화막을 형성하는 단계를 더 포함하는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제16 항에 있어서, 상기 재산화 공정은 플라즈마를 이용하여 수행하는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제10 항에 있어서, 상기 산화막이 형성된 상기 게이트 패턴의 측벽에 스페이서를 형성하는 단계를 더 포함하는 것을 특징으로 하는 반도체 장치의 제조 방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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KR1020060110900A KR100829597B1 (ko) | 2006-11-10 | 2006-11-10 | 반도체 장치의 세정 방법 및 제조 방법 |
US11/983,513 US7582539B2 (en) | 2006-11-10 | 2007-11-09 | Methods of cleaning a semiconductor device and methods of manufacturing a semiconductor device using the same |
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KR101107672B1 (ko) | 2009-08-27 | 2012-01-25 | 삼성전기주식회사 | 기판의 도금방법 |
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KR100829597B1 (ko) * | 2006-11-10 | 2008-05-14 | 삼성전자주식회사 | 반도체 장치의 세정 방법 및 제조 방법 |
US8603924B2 (en) * | 2010-10-19 | 2013-12-10 | Taiwan Semiconductor Manufacturing Company, Ltd. | Methods of forming gate dielectric material |
CA2856196C (en) | 2011-12-06 | 2020-09-01 | Masco Corporation Of Indiana | Ozone distribution in a faucet |
US11458214B2 (en) | 2015-12-21 | 2022-10-04 | Delta Faucet Company | Fluid delivery system including a disinfectant device |
US9793105B1 (en) * | 2016-08-02 | 2017-10-17 | United Microelectronics Corporation | Fabricating method of fin field effect transistor (FinFET) |
CN113889405A (zh) * | 2020-07-02 | 2022-01-04 | 长鑫存储技术有限公司 | 半导体结构的处理方法及形成方法 |
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