KR100586077B1 - 3차원 고전압 트랜지스터 및 그 제조 방법 - Google Patents
3차원 고전압 트랜지스터 및 그 제조 방법 Download PDFInfo
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- KR100586077B1 KR100586077B1 KR1020040025934A KR20040025934A KR100586077B1 KR 100586077 B1 KR100586077 B1 KR 100586077B1 KR 1020040025934 A KR1020040025934 A KR 1020040025934A KR 20040025934 A KR20040025934 A KR 20040025934A KR 100586077 B1 KR100586077 B1 KR 100586077B1
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- high voltage
- voltage transistor
- region
- gate
- active region
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- 238000000034 method Methods 0.000 title claims description 16
- 239000000758 substrate Substances 0.000 claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims description 9
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims description 7
- 238000001312 dry etching Methods 0.000 claims description 6
- 238000000151 deposition Methods 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 3
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 3
- 229920005591 polysilicon Polymers 0.000 claims description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 239000010937 tungsten Substances 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 abstract description 20
- 238000002955 isolation Methods 0.000 abstract description 10
- 230000003071 parasitic effect Effects 0.000 abstract description 8
- 229920002120 photoresistant polymer Polymers 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005468 ion implantation Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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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
- H01L27/12—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 other than a semiconductor body, e.g. an insulating body
- H01L27/1203—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 other than a semiconductor body, e.g. an insulating body the substrate comprising an insulating body on a semiconductor body, e.g. SOI
- H01L27/1211—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 other than a semiconductor body, e.g. an insulating body the substrate comprising an insulating body on a semiconductor body, e.g. SOI combined with field-effect transistors with a horizontal current flow in a vertical sidewall of a semiconductor body, e.g. FinFET, MuGFET
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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
- H01L21/84—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 other than a semiconductor body, e.g. being an insulating body
- H01L21/845—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 other than a semiconductor body, e.g. being an insulating body including field-effect transistors with a horizontal current flow in a vertical sidewall of a semiconductor body, e.g. FinFET, MuGFET
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Thin Film Transistor (AREA)
- Element Separation (AREA)
Abstract
Description
Claims (9)
- SOI 기판의 소정 영역 상에 기둥모양으로 형성되는 고전압 트랜지스터의 액티브 영역과, 상기 고전압 트랜지스터의 액티브 영역 내에 깊이 방향으로 형성되는 소스/드레인과, 상기 소스/드레인 사이에 깊이 방향으로 형성되는 채널 영역과, 상기 채널 영역의 일측으로 SOI 기판 상에 형성되는 기둥모양의 게이트를 포함하여 이루어지는 것을 특징으로 하는 3차원 고전압 트랜지스터.
- 제 1항에 있어서, 상기 게이트는 고전압 트랜지스터의 액티브 영역 양측으로 형성하는 것을 특징으로 하는 3차원 고전압 트랜지스터.
- SOI 기판 상의 단결정 실리콘층에 트렌치를 형성하여 고전압 트랜지스터의 액티브 영역을 정의하는 단계와,상기 트렌치에 옥사이드를 매립 증착하는 단계와,상기 고전압 트랜지스터의 액티브 영역 소정 부위에 소스/드레인을 형성하는 단계와,상기 고전압 트랜지스터의 액티브 영역 일측에 게이트를 형성하는 단계를 포함하여 이루어지는 3차원 고전압 트랜지스터의 제조 방법.
- 제 3항에 있어서, 상기 트렌치는 상기 SOI 기판을 식각 정지막으로 하여 건식식각을 진행하여 형성하는 것을 특징으로 하는 3차원 고전압 트랜지스터의 제조 방법.
- 제 3항에 있어서, 상기 고전압 트랜지스터의 액티브 영역은 상기 트렌치 형성 후 남은 단결정 실리콘층 구조물인 것을 특징으로 하는 3차원 고전압 트랜지스터의 제조 방법.
- 제 3항에 있어서, 상기 소스/드레인은 깊이 방향으로 균일한 도즈를 갖도록 멀티 에너지로 불순물을 주입하여 형성하는 것을 특징으로 하는 3차원 고전압 트랜지스터의 제조 방법.
- 제 3항에 있어서, 상기 게이트는 고전압 트랜지스터의 액티브 영역 양측으로 형성하는 것을 특징으로 하는 3차원 고전압 트랜지스터의 제조 방법.
- 제 3항에 있어서, 상기 게이트는상기 트랜지스터 액티브 영역 측벽에 존재하는 옥사이드의 소정 영역을 건식식각하여 제거하는 단계와,상기 결과물을 게이트 산화하여 상기 옥사이드가 제거된 소정 영역에 일정 두께의 게이트 산화막을 형성하는 단계와,상기 소정 영역에 게이트 물질을 매립 증착한 후 평탄화 하는 단계를 포함하여 형성하는 것을 특징으로 하는 3차원 고전압 트랜지스터의 제조 방법.
- 제 8항에 있어서, 상기 게이트 물질은 폴리 실리콘 또는 텅스텐 등의 메탈 소재로 하는 것을 특징으로 하는 3차원 고전압 트랜지스터의 제조 방법.
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KR1020040025934A KR100586077B1 (ko) | 2004-04-14 | 2004-04-14 | 3차원 고전압 트랜지스터 및 그 제조 방법 |
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KR1020040025934A KR100586077B1 (ko) | 2004-04-14 | 2004-04-14 | 3차원 고전압 트랜지스터 및 그 제조 방법 |
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KR20050100536A KR20050100536A (ko) | 2005-10-19 |
KR100586077B1 true KR100586077B1 (ko) | 2006-06-08 |
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