KR100412143B1 - 삼중 게이트 산화막을 적용한 반도체 소자의 제조방법 - Google Patents
삼중 게이트 산화막을 적용한 반도체 소자의 제조방법 Download PDFInfo
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- KR100412143B1 KR100412143B1 KR10-2002-0025029A KR20020025029A KR100412143B1 KR 100412143 B1 KR100412143 B1 KR 100412143B1 KR 20020025029 A KR20020025029 A KR 20020025029A KR 100412143 B1 KR100412143 B1 KR 100412143B1
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- South Korea
- Prior art keywords
- gate oxide
- oxide film
- film
- substrate
- gate
- Prior art date
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 239000000758 substrate Substances 0.000 claims abstract description 38
- 150000004767 nitrides Chemical class 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 22
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 19
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 16
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 16
- 238000005468 ion implantation Methods 0.000 claims abstract description 13
- 238000000137 annealing Methods 0.000 claims abstract description 12
- 238000005530 etching Methods 0.000 claims abstract description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 8
- 238000009279 wet oxidation reaction Methods 0.000 claims abstract description 8
- 238000000151 deposition Methods 0.000 claims abstract description 6
- 238000000059 patterning Methods 0.000 claims abstract description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 6
- 229920005591 polysilicon Polymers 0.000 claims description 6
- 238000011065 in-situ storage Methods 0.000 claims description 3
- 230000008021 deposition Effects 0.000 claims description 2
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 125000006850 spacer group Chemical group 0.000 description 5
- 238000002955 isolation Methods 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 229910021332 silicide Inorganic materials 0.000 description 3
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- 230000010354 integration Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Classifications
-
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
- H01L21/8232—Field-effect technology
- H01L21/8234—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type
- H01L21/8238—Complementary field-effect transistors, e.g. CMOS
- H01L21/823857—Complementary field-effect transistors, e.g. CMOS with a particular manufacturing method of the gate insulating layers, e.g. different gate insulating layer thicknesses, particular gate insulator materials or particular gate insulator implants
-
- 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
- H01L21/28158—Making the insulator
- H01L21/28167—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation
- H01L21/28202—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation in a nitrogen-containing ambient, e.g. nitride deposition, growth, oxynitridation, NH3 nitridation, N2O oxidation, thermal nitridation, RTN, plasma nitridation, RPN
-
- 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
- H01L21/28158—Making the insulator
- H01L21/28167—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation
- H01L21/28211—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation in a gaseous ambient using an oxygen or a water vapour, e.g. RTO, possibly through a layer
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
Description
Claims (5)
- 서로 다른 두께의 제1,제2,제3게이트산화막 형성 영역들을 갖는 반도체 기판 상에 질화막과 제2게이트 산화막 형성 영역의 상기 질화막 부분을 노출시키는 제1감광막 패턴을 차례로 형성하는 단계;상기 기판의 제2게이트산화막 형성 영역이 노출되도록 상기 노출된 질화막 부분을 식각하는 단계;상기 제1감광막 패턴을 제거하고, 노출된 기판 영역 상에 소정 두께로 산화막을 형성하는 단계;상기 산화막 및 잔류된 질화막 상에 기판의 제3게이트산화막 형성 영역 상의 질화막 부분을 노출시키는 제2감광막 패턴을 형성하는 단계;상기 기판의 제3게이트산화막 형성 영역이 노출되도록 노출된 질화막 부분을 식각하는 단계;상기 노출된 기판 영역에 질소 이온주입을 수행하는 단계;상기 제2감광막 패턴과 잔류된 질화막을 제거하는 단계;상기 결과물에 습식-산화 및 NO 어닐링을 행하여 순서적으로 두꺼운 두께를 갖는 제1, 제2 및 제3게이트산화막을 동시에 형성하는 단계;상기 제1,제2,제3게이트산화막들을 포함한 기판의 전면 상에 게이트용 도전막을 증착하고, 상기 도전막 및 제1,제2,제3게이트산화막을 패터닝하여 게이트 전극들을 형성하는 단계를 포함하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 1 항에 있어서, 상기 산화막은 순수(pure) NH3또는 NO 어닐링을 실시하여 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 1 항 또는 제 2 항에 있어서, 상기 산화막은 20∼30Å 두께로 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 1 항에 있어서, 상기 제1, 제2 및 제3게이트산화막은각각 110∼130Å, 60∼80Å, 그리고, 20∼40Å의 두께로 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제 1 항에 있어서, 상기 게이트용 도전막은폴리실리콘막이고, 인-시튜(in-situ)로 시간의 지연없이 증착하는 것을 특징으로 하는 반도체 소자의 제조방법.
Priority Applications (1)
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KR10-2002-0025029A KR100412143B1 (ko) | 2002-05-07 | 2002-05-07 | 삼중 게이트 산화막을 적용한 반도체 소자의 제조방법 |
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KR10-2002-0025029A KR100412143B1 (ko) | 2002-05-07 | 2002-05-07 | 삼중 게이트 산화막을 적용한 반도체 소자의 제조방법 |
Publications (2)
Publication Number | Publication Date |
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KR20030086836A KR20030086836A (ko) | 2003-11-12 |
KR100412143B1 true KR100412143B1 (ko) | 2003-12-31 |
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KR10-2002-0025029A KR100412143B1 (ko) | 2002-05-07 | 2002-05-07 | 삼중 게이트 산화막을 적용한 반도체 소자의 제조방법 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100634168B1 (ko) * | 2004-03-03 | 2006-10-16 | 삼성전자주식회사 | 낮은 문턱 전압 및 높은 절연파괴 전압의 트랜지스터를구비하는 반도체 장치 |
CN115547819A (zh) * | 2022-10-13 | 2022-12-30 | 长鑫存储技术有限公司 | 半导体结构的制作方法及半导体结构 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990060472A (ko) * | 1997-12-31 | 1999-07-26 | 구본준 | 반도체소자의 산화막 형성방법 |
US6133164A (en) * | 1999-02-23 | 2000-10-17 | Vantis Corporation | Fabrication of oxide regions having multiple thicknesses using minimized number of thermal cycles |
US6303521B1 (en) * | 2000-10-17 | 2001-10-16 | United Microelectrics Corp. | Method for forming oxide layers with different thicknesses |
KR20020014095A (ko) * | 2000-08-16 | 2002-02-25 | 박종섭 | 반도체 소자의 게이트 산화막 제조방법 |
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2002
- 2002-05-07 KR KR10-2002-0025029A patent/KR100412143B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990060472A (ko) * | 1997-12-31 | 1999-07-26 | 구본준 | 반도체소자의 산화막 형성방법 |
US6133164A (en) * | 1999-02-23 | 2000-10-17 | Vantis Corporation | Fabrication of oxide regions having multiple thicknesses using minimized number of thermal cycles |
KR20020014095A (ko) * | 2000-08-16 | 2002-02-25 | 박종섭 | 반도체 소자의 게이트 산화막 제조방법 |
US6303521B1 (en) * | 2000-10-17 | 2001-10-16 | United Microelectrics Corp. | Method for forming oxide layers with different thicknesses |
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KR20030086836A (ko) | 2003-11-12 |
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