KR100975972B1 - Cmos 트랜지스터의 구조 및 그 제조 방법 - Google Patents
Cmos 트랜지스터의 구조 및 그 제조 방법 Download PDFInfo
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- KR100975972B1 KR100975972B1 KR1020030047382A KR20030047382A KR100975972B1 KR 100975972 B1 KR100975972 B1 KR 100975972B1 KR 1020030047382 A KR1020030047382 A KR 1020030047382A KR 20030047382 A KR20030047382 A KR 20030047382A KR 100975972 B1 KR100975972 B1 KR 100975972B1
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- 238000000034 method Methods 0.000 title claims description 19
- 238000004519 manufacturing process Methods 0.000 title abstract description 11
- 239000010408 film Substances 0.000 claims abstract description 37
- 239000000758 substrate Substances 0.000 claims abstract description 35
- 239000004065 semiconductor Substances 0.000 claims abstract description 33
- 238000002955 isolation Methods 0.000 claims abstract description 29
- 239000010409 thin film Substances 0.000 claims abstract description 12
- 238000005468 ion implantation Methods 0.000 claims description 8
- 230000003647 oxidation Effects 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 claims description 5
- 239000011810 insulating material Substances 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 3
- 238000005530 etching Methods 0.000 claims description 3
- 150000002500 ions Chemical class 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 239000012535 impurity Substances 0.000 description 7
- 229910052581 Si3N4 Inorganic materials 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 3
- 229920005591 polysilicon Polymers 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
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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
- H01L21/70—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
- H01L21/823807—Complementary field-effect transistors, e.g. CMOS with a particular manufacturing method of the channel structures, e.g. channel implants, halo or pocket implants, or channel materials
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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
- H01L21/70—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
- H01L21/823878—Complementary field-effect transistors, e.g. CMOS isolation region manufacturing related aspects, e.g. to avoid interaction of isolation region with adjacent structure
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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
- H01L21/70—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
- H01L21/823892—Complementary field-effect transistors, e.g. CMOS with a particular manufacturing method of the wells or tubs, e.g. twin tubs, high energy well implants, buried implanted layers for lateral isolation [BILLI]
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
- H01L27/08—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind
- H01L27/085—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only
- H01L27/088—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only the components being field-effect transistors with insulated gate
- H01L27/092—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only the components being field-effect transistors with insulated gate complementary MIS field-effect transistors
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Element Separation (AREA)
Abstract
Description
Claims (9)
- 표면으로부터 소정 깊이 식각된 트렌치를 갖는 반도체 기판내에 형성된 제 1 도전형 웰 및 제 2 도전형 웰;상기 제 1 및 제 2도전형 웰 사이의 상기 트렌치 바닥 아래에 형성된 웰 분리막;상기 제 1도전형 웰 상의 상기 트렌치 바닥과 상기 제1도전형 웰 표면 사이에 상기 제 1도전형 웰과 상기 트렌치 바닥이 서로 수직으로 이격되도록 형성된 제 2도전형 접합층;상기 제 2도전형 웰 상의 상기 트렌치 바닥과 상기 제2도전형 윌 표면 사이에 상기 제 2도전형 웰과 상기 트렌치 바닥이 서로 수직으로 이격되도록 형성된 제 1도전형 접합층;상기 트렌치를 채우게 매립된 게이트 전극; 및상기 게이트 전극과 상기 트렌치 표면 사이에 형성된 절연박막을 포함하는 것을 특징으로 하는 CMOS 트랜지스터의 구조.
- 제 1항에 있어서, 상기 트렌치 깊이는 트랜지스터의 채널 길이에 따라 조정되는 것을 특징으로 하는 CMOS 트랜지스터의 구조.
- 제 1항에 있어서, 상기 웰 분리막은 절연 물질로 이루어진 것을 특징으로 하는 CMOS 트랜지스터의 구조.
- 제 3항에 있어서, 상기 웰 분리막은 O2 이온 주입후 산화 공정에 의해 형성된 것을 특징으로 하는 CMOS 트랜지스터의 구조.
- 반도체 기판에 표면으로부터 소정 깊이 식각된 트렌치를 형성하는 단계;상기 반도체 기판의 트렌치 중심 바닥 아래에 웰 분리막을 형성하는 단계;상기 웰 분리막과 상기 반도체 기판의 어느 한 영역 사이에 제 1 도전형 웰을 형성하며 상기 제 1도전형 웰이 인접된 상기 웰 분리막과 상기 반도체 기판의 다른 영역 사이에 제 2 도전형 웰을 형성하는 단계;상기 제 1도전형 웰 상의 상기 트렌치 바닥과 상기 제1도전형 웰 표면 사이에 상기 제 1도전형 웰과 상기 트렌치 바닥이 서로 수직으로 이격되도록 제 2도전형 접합층을 형성하는 단계;상기 제 2도전형 웰 상의 상기 트렌치 바닥과 상기 제2도전형 웰 표면 사이에 상기 제 2도전형 웰과 상기 트렌치 바닥이 서로 수직으로 이격되도록 제 1도전형 접합층을 형성하는 단계;상기 트렌치의 표면 상에 절연박막을 형성하는 단계; 및상기 절연박막 상에 상기 트렌치를 매립하는 게이트 전극을 형성하는 단계를 포함하여 이루어진 것을 특징으로 하는 CMOS 트랜지스터의 제조 방법.
- 제 5항에 있어서, 상기 트렌치 깊이는 트랜지스터의 채널 길이에 따라 조정 되는 것을 특징으로 하는 CMOS 트랜지스터의 제조 방법.
- 제 5항에 있어서, 상기 웰 분리막은 절연 물질로 이루어진 것을 특징으로 하는 CMOS 트랜지스터의 제조 방법.
- 제 5항에 있어서, 상기 웰 분리막은 상기 반도체 기판의 트렌치 중심 바닥 아래에 O2 이온 주입하고 산화 공정을 실시하여 형성하는 것을 특징으로 하는 CMOS 트랜지스터의 제조 방법.
- 제 5항에 있어서, 상기 게이트 전극은 상기 트렌치 내부를 도전 물질로 갭필하고 전면 식각으로 기판 상부의 절연박막 표면이 드러나도록 식각하여 형성하는 것을 특징으로 하는 CMOS 트랜지스터의 제조 방법.
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KR1020030047382A KR100975972B1 (ko) | 2003-07-11 | 2003-07-11 | Cmos 트랜지스터의 구조 및 그 제조 방법 |
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KR1020030047382A KR100975972B1 (ko) | 2003-07-11 | 2003-07-11 | Cmos 트랜지스터의 구조 및 그 제조 방법 |
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KR20050007782A KR20050007782A (ko) | 2005-01-21 |
KR100975972B1 true KR100975972B1 (ko) | 2010-08-13 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US10269665B2 (en) | 2013-08-05 | 2019-04-23 | Seoul National University R&Db Foundation | Semiconductor device for sensor application using contacts located on top surface and bottom surface and method for fabricating thereof |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19980014820A (ko) * | 1996-08-16 | 1998-05-25 | 김광호 | 트랜치 게이트형 모스 전계효과 트랜지스터 및 그 제조방법 |
KR19990088443A (ko) * | 1998-05-22 | 1999-12-27 | 마찌다 가쯔히꼬 | Soi반도체장치및그제조방법 |
KR20010008504A (ko) * | 1999-07-01 | 2001-02-05 | 김영환 | 반도체소자의 인버스 t형 소자분리공정 |
JP2002026141A (ja) | 2000-07-04 | 2002-01-25 | Toshiba Corp | 半導体装置及びその製造方法 |
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- 2003-07-11 KR KR1020030047382A patent/KR100975972B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19980014820A (ko) * | 1996-08-16 | 1998-05-25 | 김광호 | 트랜치 게이트형 모스 전계효과 트랜지스터 및 그 제조방법 |
KR19990088443A (ko) * | 1998-05-22 | 1999-12-27 | 마찌다 가쯔히꼬 | Soi반도체장치및그제조방법 |
KR20010008504A (ko) * | 1999-07-01 | 2001-02-05 | 김영환 | 반도체소자의 인버스 t형 소자분리공정 |
JP2002026141A (ja) | 2000-07-04 | 2002-01-25 | Toshiba Corp | 半導体装置及びその製造方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10269665B2 (en) | 2013-08-05 | 2019-04-23 | Seoul National University R&Db Foundation | Semiconductor device for sensor application using contacts located on top surface and bottom surface and method for fabricating thereof |
US10629503B2 (en) | 2013-08-05 | 2020-04-21 | Seoul National University R&Db Foundation | Semiconductor device containing integrated circuit communicating with external apparatus via two terminals |
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