KR101098447B1 - 반도체 장치 - Google Patents
반도체 장치 Download PDFInfo
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- KR101098447B1 KR101098447B1 KR1020090120005A KR20090120005A KR101098447B1 KR 101098447 B1 KR101098447 B1 KR 101098447B1 KR 1020090120005 A KR1020090120005 A KR 1020090120005A KR 20090120005 A KR20090120005 A KR 20090120005A KR 101098447 B1 KR101098447 B1 KR 101098447B1
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 44
- 238000009792 diffusion process Methods 0.000 claims abstract description 73
- 230000004888 barrier function Effects 0.000 claims abstract description 35
- 239000000758 substrate Substances 0.000 claims abstract description 27
- 239000012535 impurity Substances 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 22
- 238000002955 isolation Methods 0.000 claims description 15
- 230000002265 prevention Effects 0.000 claims description 4
- 238000009825 accumulation Methods 0.000 description 22
- 238000010438 heat treatment Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000015556 catabolic process Effects 0.000 description 6
- 230000006866 deterioration Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000002542 deteriorative effect Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
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- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/7801—DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
- H01L29/7802—Vertical DMOS transistors, i.e. VDMOS transistors
- H01L29/7813—Vertical DMOS transistors, i.e. VDMOS transistors with trench gate electrode, e.g. UMOS transistors
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- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
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- H01L29/0843—Source or drain regions of field-effect devices
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- 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 at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/22—Diffusion of impurity materials, e.g. doping materials, electrode materials, into or out of a semiconductor body, or between semiconductor regions; Interactions between two or more impurities; Redistribution of impurities
- H01L21/225—Diffusion of impurity materials, e.g. doping materials, electrode materials, into or out of a semiconductor body, or between semiconductor regions; Interactions between two or more impurities; Redistribution of impurities using diffusion into or out of a solid from or into a solid phase, e.g. a doped oxide layer
- H01L21/2251—Diffusion into or out of group IV semiconductors
- H01L21/2252—Diffusion into or out of group IV semiconductors using predeposition of impurities into the semiconductor surface, e.g. from a gaseous phase
- H01L21/2253—Diffusion into or out of group IV semiconductors using predeposition of impurities into the semiconductor surface, e.g. from a gaseous phase by ion implantation
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- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
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- H01L29/0843—Source or drain regions of field-effect devices
- H01L29/0847—Source or drain regions of field-effect devices of field-effect transistors with insulated gate
- H01L29/0852—Source or drain regions of field-effect devices of field-effect transistors with insulated gate of DMOS transistors
- H01L29/0873—Drain regions
- H01L29/0878—Impurity concentration or distribution
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- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/417—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions carrying the current to be rectified, amplified or switched
- H01L29/41725—Source or drain electrodes for field effect devices
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- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
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- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/7801—DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
- H01L29/7816—Lateral DMOS transistors, i.e. LDMOS transistors
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
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- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/7833—Field effect transistors with field effect produced by an insulated gate with lightly doped drain or source extension, e.g. LDD MOSFET's; DDD MOSFET's
- H01L29/7835—Field effect transistors with field effect produced by an insulated gate with lightly doped drain or source extension, e.g. LDD MOSFET's; DDD MOSFET's with asymmetrical source and drain regions, e.g. lateral high-voltage MISFETs with drain offset region, extended drain MISFETs
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- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
- H01L29/0603—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions
- H01L29/0642—Isolation within the component, i.e. internal isolation
- H01L29/0649—Dielectric regions, e.g. SiO2 regions, air gaps
- H01L29/0653—Dielectric regions, e.g. SiO2 regions, air gaps adjoining the input or output region of a field-effect device, e.g. the source or drain region
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- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42364—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the insulating layer, e.g. thickness or uniformity
- H01L29/42368—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the insulating layer, e.g. thickness or uniformity the thickness being non-uniform
Abstract
Description
Claims (11)
- 기판에 형성되어 서로 접하는 제1도전형의 제1웰과 제2도전형의 제2웰;상기 기판에 형성되어 상기 제1웰과 상기 제2웰이 서로 접하는 경계면에 위치하는 제2도전형의 확산방지영역; 및상기 기판 상에서 상기 제1웰, 상기 확산방지영역 및 상기 제2웰을 동시에 가로지르는 게이트전극을 포함하는 반도체 장치.
- 제1항에 있어서,상기 확산방지영역은 상기 제1웰과 상기 제2웰이 접하는 경계면에 접하도록 상기 제1웰에 형성된 반도체 장치.
- 제1항에 있어서,상기 확산방지영역의 불순물 도핑농도는 상기 제1웰 및 상기 제2웰의 불순물 도핑농도보다 높은 반도체 장치.
- 제1항에 있어서,상기 기판에 형성된 소자분리막;상기 게이트전극 일측 끝단에 정렬되도록 상기 제1웰에 형성된 제2도전형의 소스영역; 및상기 게이트전극 타측 끝단으로부터 소정 간격 이격되어 상기 제2웰에 형성된 제2도전형의 드레인영역을 더 포함하는 반도체 장치.
- 제4항에 있어서,상기 확산방지영역은 상기 드레인영역에 인가된 전압에 의하여 완전공핍화(fully depletion)될 수 있는 선폭을 갖는 반도체 장치.
- 제4항에 있어서,상기 게이트전극과 상기 드레인영역 사이에 위치하는 상기 소자분리막은 상기 게이트전극 하부에서 이들이 서로 일부 중첩되는 반도체 장치.
- 기판에 형성된 제2도전형의 딥웰;상기 딥웰에 형성된 제1도전형의 웰;상기 웰 측벽에 접하도록 상기 딥웰에 형성된 제2도전형의 확산방지영역; 및상기 기판상에서 상기 웰, 상기 확산방지영역 및 상기 딥웰을 동시에 가로지르는 게이트전극을 포함하는 반도체 장치.
- 제7항에 있어서,상기 확산방지영역의 불순물 도핑농도는 상기 딥웰 및 상기 웰의 불순물 도핑농도보다 높은 반도체 장치.
- 제7항에 있어서,상기 기판에 형성된 소자분리막;상기 게이트전극 일측 끝단에 정렬되도록 상기 웰에 형성된 제2도전형의 소스영역; 및상기 게이트전극 타측 끝단으로부터 소정 간격 이격되도록 상기 딥웰에 형성된 제2도전형의 드레인영역을 더 포함하는 반도체 장치.
- 제9항에 있어서,상기 확산방지영역은 상기 드레인영역에 인가된 전압에 의하여 완전공핍화(fully depletion)되는 선폭을 갖는 반도체 장치.
- 제9항에 있어서,상기 게이트전극과 상기 드레인영역 사이에 위치하는 상기 소자분리막은 상기 게이트전극 하부에서 이들이 서로 일부 중첩되는 반도체 장치.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020090120005A KR101098447B1 (ko) | 2009-12-04 | 2009-12-04 | 반도체 장치 |
US12/836,503 US8076726B2 (en) | 2009-12-04 | 2010-07-14 | Semiconductor device |
CN201010265546.1A CN102088034B (zh) | 2009-12-04 | 2010-08-26 | 半导体装置 |
US13/290,535 US8552497B2 (en) | 2009-12-04 | 2011-11-07 | Semiconductor device |
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KR1020090120005A KR101098447B1 (ko) | 2009-12-04 | 2009-12-04 | 반도체 장치 |
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KR20110063067A KR20110063067A (ko) | 2011-06-10 |
KR101098447B1 true KR101098447B1 (ko) | 2011-12-26 |
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KR1020090120005A KR101098447B1 (ko) | 2009-12-04 | 2009-12-04 | 반도체 장치 |
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US (2) | US8076726B2 (ko) |
KR (1) | KR101098447B1 (ko) |
CN (1) | CN102088034B (ko) |
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EP2537934A3 (en) | 2006-05-15 | 2013-04-10 | Paratek Pharmaceuticals, Inc. | Methods of regulating expression of genes or of gene products using substituted tetracycline compounds |
US8436430B2 (en) * | 2011-04-08 | 2013-05-07 | Taiwan Semiconductor Manufacturing Company, Ltd. | Diodes with embedded dummy gate electrodes |
US8749223B2 (en) * | 2011-06-22 | 2014-06-10 | Nxp B.V. | Galvanic isolation device and method |
KR101883010B1 (ko) * | 2012-08-06 | 2018-07-30 | 매그나칩 반도체 유한회사 | 반도체 소자 및 그 소자의 제조 방법 |
TWI511295B (zh) * | 2013-05-07 | 2015-12-01 | Macronix Int Co Ltd | 單一多晶矽板低導通電阻延伸汲極金屬氧化半導體裝置 |
CN104167360B (zh) * | 2013-05-16 | 2017-05-31 | 无锡华润上华半导体有限公司 | 横向扩散金属氧化物半导体器件及其制造方法 |
US20150194424A1 (en) * | 2014-01-06 | 2015-07-09 | Kabushiki Kaisha Toshiba | Semiconductor device and method for manufacturing the same |
CN110690210B (zh) * | 2018-07-06 | 2021-11-16 | 联华电子股份有限公司 | 栅极接地n型金属氧化物半导体晶体管 |
CN112825327A (zh) * | 2019-11-21 | 2021-05-21 | 中芯国际集成电路制造(上海)有限公司 | 半导体结构及其形成方法 |
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JPH07176640A (ja) | 1993-10-26 | 1995-07-14 | Fuji Electric Co Ltd | 半導体装置の製造方法 |
JP3186421B2 (ja) | 1994-05-13 | 2001-07-11 | 富士電機株式会社 | 半導体装置の製造方法 |
US5739061A (en) | 1993-10-26 | 1998-04-14 | Fuji Electric Co., Ltd. | Method of manufacturing a semiconductor device using gate side wall as mask for self-alignment |
JP4357127B2 (ja) * | 2000-03-03 | 2009-11-04 | 株式会社東芝 | 半導体装置 |
US6448625B1 (en) * | 2001-03-16 | 2002-09-10 | Semiconductor Components Industries Llc | High voltage metal oxide device with enhanced well region |
US7192834B2 (en) * | 2005-02-23 | 2007-03-20 | Macronix International Co., Ltd | LDMOS device and method of fabrication of LDMOS device |
JP5420854B2 (ja) * | 2008-04-28 | 2014-02-19 | パナソニック株式会社 | 半導体装置およびその製造方法 |
US7851314B2 (en) * | 2008-04-30 | 2010-12-14 | Alpha And Omega Semiconductor Incorporated | Short channel lateral MOSFET and method |
US8507988B2 (en) * | 2009-10-02 | 2013-08-13 | Taiwan Semiconductor Manufacturing Company, Ltd. | High voltage devices, systems, and methods for forming the high voltage devices |
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2009
- 2009-12-04 KR KR1020090120005A patent/KR101098447B1/ko active IP Right Grant
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2010
- 2010-07-14 US US12/836,503 patent/US8076726B2/en active Active
- 2010-08-26 CN CN201010265546.1A patent/CN102088034B/zh active Active
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- 2011-11-07 US US13/290,535 patent/US8552497B2/en active Active
Also Published As
Publication number | Publication date |
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CN102088034A (zh) | 2011-06-08 |
US8552497B2 (en) | 2013-10-08 |
US8076726B2 (en) | 2011-12-13 |
US20110133279A1 (en) | 2011-06-09 |
KR20110063067A (ko) | 2011-06-10 |
US20120049278A1 (en) | 2012-03-01 |
CN102088034B (zh) | 2015-01-21 |
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