KR100418855B1 - 반도체소자의 듀얼게이트 제조방법 - Google Patents
반도체소자의 듀얼게이트 제조방법 Download PDFInfo
- Publication number
- KR100418855B1 KR100418855B1 KR10-2001-0026517A KR20010026517A KR100418855B1 KR 100418855 B1 KR100418855 B1 KR 100418855B1 KR 20010026517 A KR20010026517 A KR 20010026517A KR 100418855 B1 KR100418855 B1 KR 100418855B1
- Authority
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- South Korea
- Prior art keywords
- voltage region
- gate
- gate oxide
- low voltage
- semiconductor device
- Prior art date
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 41
- 230000009977 dual effect Effects 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims description 5
- 239000000758 substrate Substances 0.000 claims abstract description 22
- 239000012535 impurity Substances 0.000 claims abstract description 19
- 150000002500 ions Chemical class 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- 239000010408 film Substances 0.000 claims description 31
- 238000005530 etching Methods 0.000 claims description 9
- 229920002120 photoresistant polymer Polymers 0.000 claims description 9
- 230000000873 masking effect Effects 0.000 claims description 5
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 4
- 229920005591 polysilicon Polymers 0.000 claims description 4
- OFIYHXOOOISSDN-UHFFFAOYSA-N tellanylidenegallium Chemical compound [Te]=[Ga] OFIYHXOOOISSDN-UHFFFAOYSA-N 0.000 claims description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 2
- 229910052796 boron Inorganic materials 0.000 claims description 2
- 238000000151 deposition Methods 0.000 claims description 2
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 claims 1
- 229910021342 tungsten silicide Inorganic materials 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000001039 wet etching Methods 0.000 description 3
- 238000001312 dry etching Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000010030 laminating Methods 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
- H01L21/823462—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type 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
- H01L21/30—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
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31105—Etching inorganic layers
- H01L21/31111—Etching inorganic layers by chemical means
-
- 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
- H01L21/823412—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type with a particular manufacturing method of the channel structures, e.g. channel implants, halo or pocket implants, or channel materials
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)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Abstract
Description
Claims (4)
- 반도체기판 상에 고전압영역에 적용되는 두께를 갖는 제1게이트산화막을 적층하는 단계와;상기 고전압영역 상부에 감광막을 적층하여 마스크로 사용하여 저전압영역에 불순물 이온 주입을 실시한 후 식각으로 저전압영역의 제1게이트산화막을 제거하는 단계와;상기 감광막을 제거한 후에 상기 결과물 전체에 제2게이트산화막을 적층하는 단계와;상기 제2게이트산화막 상에 게이트박막을 적층한 후에 마스킹식각으로 저전압영역과 고전압영역의 P-WELL, N-WELL에 각각 게이트전극을 형성하는 단계와;상기 게이트전극 측면에 이온 주입하여 소오스 및 드레인을 형성함으로써 듀얼게이트를 형성하는 단계;를 포함하여 이루어지는 것을 특징으로 하는 반도체소자의 듀얼게이트 제조방법.
- 제 1항에 있어서, 상기 저전압영역에 불순물 이온 주입 시, 15∼25㎸로 Boron을 주입하거나 35∼45㎸로 BF2를 주입하는 것을 특징으로 하는 반도체소자의 듀얼게이트 제조방법.
- 제 1항에 있어서, 상기 제1게이트산화막 제거 시, BOE용액 또는 HF용액을 사용하여 습식식각하는 것을 특징으로 하는 반도체소자의 듀얼게이트 제조방법.
- 제 1항에 있어서, 상기 게이트 박막은 N도핑된 폴리실리콘과 텅스텐실리사이드로 이루어진 이중구조인 것을 특징으로 하는 반도체소자의 듀얼게이트 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0026517A KR100418855B1 (ko) | 2001-05-15 | 2001-05-15 | 반도체소자의 듀얼게이트 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0026517A KR100418855B1 (ko) | 2001-05-15 | 2001-05-15 | 반도체소자의 듀얼게이트 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020087650A KR20020087650A (ko) | 2002-11-23 |
KR100418855B1 true KR100418855B1 (ko) | 2004-02-19 |
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KR10-2001-0026517A KR100418855B1 (ko) | 2001-05-15 | 2001-05-15 | 반도체소자의 듀얼게이트 제조방법 |
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KR (1) | KR100418855B1 (ko) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1064898A (ja) * | 1996-08-16 | 1998-03-06 | Texas Instr Japan Ltd | 半導体装置の製造方法 |
KR19980080793A (ko) * | 1997-03-28 | 1998-11-25 | 모리가즈히로 | 반도체 장치 및 그 제조방법 |
KR19990049409A (ko) * | 1997-12-12 | 1999-07-05 | 윤종용 | 서로 다른 두께의 게이트 산화막 형성 방법 |
KR20000019441A (ko) * | 1998-09-11 | 2000-04-15 | 김규현 | 스플릿 게이트 제조 방법 |
KR20000020234A (ko) * | 1998-09-18 | 2000-04-15 | 김영환 | 반도체소자의 듀얼게이트산화막 형성방법 |
US6093659A (en) * | 1998-03-25 | 2000-07-25 | Texas Instruments Incorporated | Selective area halogen doping to achieve dual gate oxide thickness on a wafer |
-
2001
- 2001-05-15 KR KR10-2001-0026517A patent/KR100418855B1/ko active IP Right Grant
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1064898A (ja) * | 1996-08-16 | 1998-03-06 | Texas Instr Japan Ltd | 半導体装置の製造方法 |
KR19980080793A (ko) * | 1997-03-28 | 1998-11-25 | 모리가즈히로 | 반도체 장치 및 그 제조방법 |
KR19990049409A (ko) * | 1997-12-12 | 1999-07-05 | 윤종용 | 서로 다른 두께의 게이트 산화막 형성 방법 |
US6093659A (en) * | 1998-03-25 | 2000-07-25 | Texas Instruments Incorporated | Selective area halogen doping to achieve dual gate oxide thickness on a wafer |
KR20000019441A (ko) * | 1998-09-11 | 2000-04-15 | 김규현 | 스플릿 게이트 제조 방법 |
KR20000020234A (ko) * | 1998-09-18 | 2000-04-15 | 김영환 | 반도체소자의 듀얼게이트산화막 형성방법 |
Also Published As
Publication number | Publication date |
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KR20020087650A (ko) | 2002-11-23 |
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