KR20040057837A - 고전압 트랜지스터 제조방법 - Google Patents
고전압 트랜지스터 제조방법 Download PDFInfo
- Publication number
- KR20040057837A KR20040057837A KR1020020084657A KR20020084657A KR20040057837A KR 20040057837 A KR20040057837 A KR 20040057837A KR 1020020084657 A KR1020020084657 A KR 1020020084657A KR 20020084657 A KR20020084657 A KR 20020084657A KR 20040057837 A KR20040057837 A KR 20040057837A
- Authority
- KR
- South Korea
- Prior art keywords
- high voltage
- semiconductor substrate
- oxide film
- oxide layer
- voltage
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 239000000758 substrate Substances 0.000 claims abstract description 22
- 239000004065 semiconductor Substances 0.000 claims abstract description 14
- 238000005530 etching Methods 0.000 claims abstract description 7
- 238000005468 ion implantation Methods 0.000 claims description 16
- 230000015556 catabolic process Effects 0.000 claims description 11
- 150000002500 ions Chemical class 0.000 claims description 11
- 229920002120 photoresistant polymer Polymers 0.000 claims description 10
- 238000000151 deposition Methods 0.000 claims description 4
- 238000000059 patterning Methods 0.000 claims description 2
- 239000002019 doping agent Substances 0.000 abstract description 6
- 230000004069 differentiation Effects 0.000 abstract 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 7
- 229910052710 silicon Inorganic materials 0.000 description 7
- 239000010703 silicon Substances 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000005380 borophosphosilicate glass Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007943 implant Substances 0.000 description 2
Classifications
-
- 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
- H01L29/7833—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
-
- 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
- H01L29/66568—Lateral single gate silicon transistors
- H01L29/66575—Lateral single gate silicon transistors where the source and drain or source and drain extensions are self-aligned to the sides of the gate
- H01L29/6659—Lateral single gate silicon transistors where the source and drain or source and drain extensions are self-aligned to the sides of the gate with both lightly doped source and drain extensions and source and drain self-aligned to the sides of the gate, e.g. lightly doped drain [LDD] MOSFET, double diffused drain [DDD] MOSFET
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (3)
- 산화막이 상부에 형성된 반도체 기판 상에 이온 주입을 실시하여 반도체 기판의 소정 깊이에 이온을 주입하는 단계와,상기 산화막 상부에 포토레지스트를 증착한 후 소정의 형상으로 패터닝하고, 그리고 나서 상기 패터닝된 포토레지스트를 마스크로 이용하여 상기 반도체 기판을 소정의 깊이로 식각하는 단계와,상기 식각된 반도체 기판에 저농도의 이온을 주입한 후 고농도의 이온을 주입하여 소오스/드레인 영역을 형성하는 단계와,상기 이온 주입 단계 후 포토공정을 수행한 후 2차로 반도체 기판을 식각하는 단계와,상기 반도체 기판 상에 산화막을 증착하는 단계와,상기 산화막을 에치백(etch back)하는 단계를포함하는 것을 특징으로 하는 고전압 트랜지스터 제조방법.
- 제 1항에 있어서, 상기 에치백 단계에서 형성되는 상기 산화막의 두께를 다르게 제어함으로써 내압을 제어할 수 있는 것을 특징으로 하는 고전압 트랜지스터 제조방법.
- 제 1항에 있어서, 상기 산화막이 게이트의 측벽에 두껍게 형성되어 고전압의인가시 저항이 높아 상기 고전압의 전위를 낮추는 역할을 수행하는 것을 특징으로 하는 고전압 트랜지스터 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020084657A KR100940113B1 (ko) | 2002-12-26 | 2002-12-26 | 고전압 트랜지스터 제조방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020020084657A KR100940113B1 (ko) | 2002-12-26 | 2002-12-26 | 고전압 트랜지스터 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040057837A true KR20040057837A (ko) | 2004-07-02 |
KR100940113B1 KR100940113B1 (ko) | 2010-02-02 |
Family
ID=37350385
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020020084657A KR100940113B1 (ko) | 2002-12-26 | 2002-12-26 | 고전압 트랜지스터 제조방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100940113B1 (ko) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR0143459B1 (ko) * | 1995-05-22 | 1998-07-01 | 한민구 | 모오스 게이트형 전력 트랜지스터 |
JPH0945899A (ja) * | 1995-07-27 | 1997-02-14 | Sony Corp | 縦型トランジスタを持つ半導体装置の製造方法 |
KR20000043897A (ko) * | 1998-12-29 | 2000-07-15 | 김영환 | 반도체 소자의 트랜지스터 제조 방법 |
-
2002
- 2002-12-26 KR KR1020020084657A patent/KR100940113B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
KR100940113B1 (ko) | 2010-02-02 |
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