KR890015428A - 매우 작은 소오스 영역을 갖는 자기정렬된 수직이중 확산형 전력 mosfet의 제조방법 - Google Patents
매우 작은 소오스 영역을 갖는 자기정렬된 수직이중 확산형 전력 mosfet의 제조방법 Download PDFInfo
- Publication number
- KR890015428A KR890015428A KR1019880002303A KR880002303A KR890015428A KR 890015428 A KR890015428 A KR 890015428A KR 1019880002303 A KR1019880002303 A KR 1019880002303A KR 880002303 A KR880002303 A KR 880002303A KR 890015428 A KR890015428 A KR 890015428A
- Authority
- KR
- South Korea
- Prior art keywords
- power mosfet
- small
- self
- region
- source region
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 238000009792 diffusion process Methods 0.000 title claims 3
- 238000000034 method Methods 0.000 title claims 3
- ZXEYZECDXFPJRJ-UHFFFAOYSA-N $l^{3}-silane;platinum Chemical compound [SiH3].[Pt] ZXEYZECDXFPJRJ-UHFFFAOYSA-N 0.000 claims 1
- 239000012535 impurity Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 229910021339 platinum silicide Inorganic materials 0.000 claims 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims 1
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
-
- 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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
-
- 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
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)
- Electrodes Of Semiconductors (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Abstract
내용없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 3 도는 본 발명에 따른 자기 정렬된 수직 이중 확산형 전력 MOSFET의 단면도 제 4 도의 (가)-(라)는 본 발명의 자기 정렬된 수직 이중 확산형 전력 MOSFET의 제조 공정을 타나내는 실시예의 설명도.
Claims (2)
- 매우 작은 소오스 영역을 갖는 자기 정렬된 수직 이중 확산형 전력 MOSFET 제조 방법에 있어서, 매우 작은 n+형 영역(38)을 형성하고 백금 실리사이드(39)를 이용하여 이 n+영역(38)과 p-형 몸체 (32)를 병렬 연결시켜 소오스(40)을 형성하여, 단위 면적당 온-저항이 최소로 되고 래치액 현상이 없게 되는 것을 특징으로 하는 전력 MOSFET제조 방법.
- 제 1 항에 있어서, 매우 작은 n+형 영역을 형성하는 수단이, n형 불순물이 도우핑된 산화막(37)을 RIE공정을 사용하여 다결정 실리콘 게이트(34) 양측에 남기고 이를 이용하여 작은 n+형 확산 영역 (38)을 만드는 수단을 포함하는 것을 특징으로 하는 방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019880002303A KR920003320B1 (ko) | 1988-03-05 | 1988-03-05 | 매우 작은 소오스 영역을 갖는 자기 정렬된 수직 이중 확산형 전력 mosfet의 제조방법 |
JP1011744A JPH029137A (ja) | 1988-03-05 | 1989-01-20 | 極めて小さいソース/領域を有する磁気整列された垂直二重拡散型電力mosfetの製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019880002303A KR920003320B1 (ko) | 1988-03-05 | 1988-03-05 | 매우 작은 소오스 영역을 갖는 자기 정렬된 수직 이중 확산형 전력 mosfet의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR890015428A true KR890015428A (ko) | 1989-10-30 |
KR920003320B1 KR920003320B1 (ko) | 1992-04-27 |
Family
ID=19272655
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019880002303A KR920003320B1 (ko) | 1988-03-05 | 1988-03-05 | 매우 작은 소오스 영역을 갖는 자기 정렬된 수직 이중 확산형 전력 mosfet의 제조방법 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPH029137A (ko) |
KR (1) | KR920003320B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100464386B1 (ko) * | 1997-06-11 | 2005-02-28 | 삼성전자주식회사 | 반도체소자의트랜지스터제조방법 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0633857Y2 (ja) * | 1990-04-13 | 1994-09-07 | 洋子 池田 | 装飾体収納部付きテーブル |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0766968B2 (ja) * | 1987-08-24 | 1995-07-19 | 株式会社日立製作所 | 半導体装置及びその製造方法 |
-
1988
- 1988-03-05 KR KR1019880002303A patent/KR920003320B1/ko not_active IP Right Cessation
-
1989
- 1989-01-20 JP JP1011744A patent/JPH029137A/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100464386B1 (ko) * | 1997-06-11 | 2005-02-28 | 삼성전자주식회사 | 반도체소자의트랜지스터제조방법 |
Also Published As
Publication number | Publication date |
---|---|
JPH029137A (ja) | 1990-01-12 |
KR920003320B1 (ko) | 1992-04-27 |
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