KR20040070996A - Dmos 트랜지스터의 제조 방법 - Google Patents
Dmos 트랜지스터의 제조 방법 Download PDFInfo
- Publication number
- KR20040070996A KR20040070996A KR1020030007260A KR20030007260A KR20040070996A KR 20040070996 A KR20040070996 A KR 20040070996A KR 1020030007260 A KR1020030007260 A KR 1020030007260A KR 20030007260 A KR20030007260 A KR 20030007260A KR 20040070996 A KR20040070996 A KR 20040070996A
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- South Korea
- Prior art keywords
- well
- gate
- forming
- channel
- region
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 239000012535 impurity Substances 0.000 claims abstract description 13
- 239000004065 semiconductor Substances 0.000 claims abstract description 10
- 239000000758 substrate Substances 0.000 claims abstract description 10
- 150000002500 ions Chemical class 0.000 claims abstract description 8
- 125000006850 spacer group Chemical group 0.000 claims abstract description 6
- 239000007943 implant Substances 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 abstract description 8
- 230000003071 parasitic effect Effects 0.000 abstract description 8
- 229910044991 metal oxide Inorganic materials 0.000 abstract description 2
- 150000004706 metal oxides Chemical class 0.000 abstract description 2
- 238000002513 implantation Methods 0.000 abstract 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 6
- 229920005591 polysilicon Polymers 0.000 description 6
- 238000005530 etching Methods 0.000 description 5
- 238000005468 ion implantation Methods 0.000 description 4
- 238000000137 annealing Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 150000004767 nitrides Chemical class 0.000 description 3
- 229910052796 boron Inorganic materials 0.000 description 2
- -1 boron ions Chemical class 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000011149 active material Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000001259 photo etching Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- 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
- H01L29/7811—Vertical DMOS transistors, i.e. VDMOS transistors with an edge termination structure
-
- 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
- H01L21/823418—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type with a particular manufacturing method of the source or drain structures, e.g. specific source or drain implants or silicided source or drain structures or raised source or drain structures
-
- 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
- H01L21/823493—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type 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]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66674—DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66674—DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
- H01L29/66712—Vertical DMOS transistors, i.e. VDMOS transistors
- H01L29/66719—With a step of forming an insulating sidewall spacer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a 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
- 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
- H01L29/0607—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 for preventing surface leakage or controlling electric field concentration
- H01L29/0638—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 for preventing surface leakage or controlling electric field concentration for preventing surface leakage due to surface inversion layer, e.g. with channel stopper
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (2)
- 소정의 하부 구조가 형성된 반도체 기판에 웰 형성 공정을 진행한 후 필드 산화막을 형성하여 셀 영역을 정의하는 단계와;상기 셀 영역의 에지부에 상기 웰과 반대 타입의 불순물 이온을 주입하는 단계와;상기 셀 에지부의 임플란트 공정을 진행한 결과물상에 게이트를 형성한 후 문턱 전압을 조절하기 위한 채널 영역을 형성하는 단계와;상기 채널 영역 형성 후 게이트 스페이서를 형성하고 소오스를 형성하는 단계를포함하는 것을 특징으로 하는 DMOS 트랜지스터의 제조 방법.
- 제 1 항에 있어서, 상기 웰은 반도체 기판과 반대 타입의 불순물을 이용하여 도핑하는 것을 특징으로 하는 DMOS 트랜지스터의 제조 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030007260A KR100935248B1 (ko) | 2003-02-05 | 2003-02-05 | Dmos 트랜지스터 및 그 제조 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030007260A KR100935248B1 (ko) | 2003-02-05 | 2003-02-05 | Dmos 트랜지스터 및 그 제조 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040070996A true KR20040070996A (ko) | 2004-08-11 |
KR100935248B1 KR100935248B1 (ko) | 2010-01-06 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020030007260A KR100935248B1 (ko) | 2003-02-05 | 2003-02-05 | Dmos 트랜지스터 및 그 제조 방법 |
Country Status (1)
Country | Link |
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KR (1) | KR100935248B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09191111A (ja) | 1995-11-07 | 1997-07-22 | Semiconductor Energy Lab Co Ltd | 半導体装置およびその作製方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6034272B2 (ja) * | 1983-02-18 | 1985-08-07 | 株式会社東芝 | 半導体装置 |
JP2970253B2 (ja) * | 1991-10-04 | 1999-11-02 | 住友金属工業株式会社 | 半導体装置及びその製造方法 |
IT1250233B (it) * | 1991-11-29 | 1995-04-03 | St Microelectronics Srl | Procedimento per la fabbricazione di circuiti integrati in tecnologia mos. |
KR100226784B1 (ko) * | 1997-05-12 | 1999-10-15 | 김영환 | 반도체 소자의 제조방법 |
-
2003
- 2003-02-05 KR KR1020030007260A patent/KR100935248B1/ko active IP Right Grant
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Publication number | Publication date |
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KR100935248B1 (ko) | 2010-01-06 |
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