KR20060078522A - 엘디모스 채널 형성 방법 - Google Patents
엘디모스 채널 형성 방법 Download PDFInfo
- Publication number
- KR20060078522A KR20060078522A KR1020040118489A KR20040118489A KR20060078522A KR 20060078522 A KR20060078522 A KR 20060078522A KR 1020040118489 A KR1020040118489 A KR 1020040118489A KR 20040118489 A KR20040118489 A KR 20040118489A KR 20060078522 A KR20060078522 A KR 20060078522A
- Authority
- KR
- South Korea
- Prior art keywords
- ldmos
- channel
- photoresist
- boron
- semiconductor substrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 claims abstract description 25
- 229910052796 boron Inorganic materials 0.000 claims abstract description 18
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 14
- 238000005468 ion implantation Methods 0.000 claims abstract description 13
- 239000000758 substrate Substances 0.000 claims abstract description 11
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 10
- 239000004065 semiconductor Substances 0.000 claims abstract description 10
- 238000001312 dry etching Methods 0.000 claims abstract description 4
- HAYXDMNJJFVXCI-UHFFFAOYSA-N arsenic(5+) Chemical compound [As+5] HAYXDMNJJFVXCI-UHFFFAOYSA-N 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 229910052785 arsenic Inorganic materials 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- -1 arsenic ions Chemical class 0.000 abstract description 2
- 108091006146 Channels Proteins 0.000 description 16
- 238000009792 diffusion process Methods 0.000 description 5
- 239000010408 film Substances 0.000 description 5
- 238000002955 isolation Methods 0.000 description 5
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000007943 implant Substances 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 229920005591 polysilicon Polymers 0.000 description 2
- 108010075750 P-Type Calcium Channels Proteins 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Images
Classifications
-
- 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
- H01L21/02—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 potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
-
- 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
- H01L21/02—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 potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/26—Bombardment with radiation
- H01L21/263—Bombardment with radiation with high-energy radiation
- H01L21/265—Bombardment with radiation with high-energy radiation producing ion implantation
- H01L21/26586—Bombardment with radiation with high-energy radiation producing ion implantation characterised by the angle between the ion beam and the crystal planes or the main crystal surface
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/028—Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs
- H10D30/0281—Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs of lateral DMOS [LDMOS] FETs
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/17—Semiconductor regions connected to electrodes not carrying current to be rectified, amplified or switched, e.g. channel regions
- H10D62/393—Body regions of DMOS transistors or IGBTs
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/20—Electrodes characterised by their shapes, relative sizes or dispositions
- H10D64/27—Electrodes not carrying the current to be rectified, amplified, oscillated or switched, e.g. gates
- H10D64/311—Gate electrodes for field-effect devices
- H10D64/411—Gate electrodes for field-effect devices for FETs
- H10D64/511—Gate electrodes for field-effect devices for FETs for IGFETs
- H10D64/514—Gate electrodes for field-effect devices for FETs for IGFETs characterised by the insulating layers
- H10D64/516—Gate electrodes for field-effect devices for FETs for IGFETs characterised by the insulating layers the thicknesses being non-uniform
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Crystallography & Structural Chemistry (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (1)
- LDMOS 채널 형성 방법에 있어서,반도체 기판 상에 도전형 에피택셜층을 형성 단계;포토레지스트의 경사에 따라 문턱전압 차를 감소시키기 위해 붕소, 비소 이온 경사 이온 주입 방법으로 주입하는 단계; 및상기 채널 형성이 이루어 진 후 얇은 절연막이 반도체 기판의 모든 표면 영역상에 형성되고 건식 식각 공정 단계를 특징으로 하는 주입하여 LDMOS 채널 형성 방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040118489A KR100629605B1 (ko) | 2004-12-31 | 2004-12-31 | 엘디모스 채널 형성 방법 |
US11/320,774 US20060148184A1 (en) | 2004-12-31 | 2005-12-30 | Method for forming LDMOS channel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040118489A KR100629605B1 (ko) | 2004-12-31 | 2004-12-31 | 엘디모스 채널 형성 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060078522A true KR20060078522A (ko) | 2006-07-05 |
KR100629605B1 KR100629605B1 (ko) | 2006-09-27 |
Family
ID=36641059
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040118489A Expired - Fee Related KR100629605B1 (ko) | 2004-12-31 | 2004-12-31 | 엘디모스 채널 형성 방법 |
Country Status (2)
Country | Link |
---|---|
US (1) | US20060148184A1 (ko) |
KR (1) | KR100629605B1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100770538B1 (ko) * | 2006-08-09 | 2007-10-25 | 동부일렉트로닉스 주식회사 | 횡형 디모스 트랜지스터의 제조방법 |
KR101212476B1 (ko) * | 2009-11-18 | 2013-01-21 | 마이크렐 인코포레이티드 | 게이트로서 비대칭 스페이서를 갖는 ldmos 트랜지스터 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2497229C2 (ru) * | 2011-12-07 | 2013-10-27 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования Кабардино-Балкарский государственный университет им. Х.М. Бербекова | Способ изготовления полупроводникового прибора |
US9941171B1 (en) * | 2016-11-18 | 2018-04-10 | Monolithic Power Systems, Inc. | Method for fabricating LDMOS with reduced source region |
CN112117193B (zh) * | 2020-09-21 | 2023-05-16 | 杭州芯迈半导体技术有限公司 | 碳化硅mosfet器件及其制造方法 |
CN114188404B (zh) * | 2021-11-30 | 2025-05-02 | 上海华虹宏力半导体制造有限公司 | Ldmos器件的源端工艺方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69225552T2 (de) * | 1991-10-15 | 1999-01-07 | Texas Instruments Inc., Dallas, Tex. | Lateraler doppel-diffundierter MOS-Transistor und Verfahren zu seiner Herstellung |
US5382536A (en) * | 1993-03-15 | 1995-01-17 | Texas Instruments Incorporated | Method of fabricating lateral DMOS structure |
JP2848757B2 (ja) * | 1993-03-19 | 1999-01-20 | シャープ株式会社 | 電界効果トランジスタおよびその製造方法 |
US5409848A (en) * | 1994-03-31 | 1995-04-25 | Vlsi Technology, Inc. | Angled lateral pocket implants on p-type semiconductor devices |
EP0689239B1 (en) * | 1994-06-23 | 2007-03-07 | STMicroelectronics S.r.l. | Manufacturing process for MOS-technology power devices |
EP1408542A3 (en) * | 1994-07-14 | 2009-01-21 | STMicroelectronics S.r.l. | High-speed MOS-technology power device integrated structure, and related manufacturing process |
US6242787B1 (en) * | 1995-11-15 | 2001-06-05 | Denso Corporation | Semiconductor device and manufacturing method thereof |
EP0817247A1 (en) * | 1996-06-26 | 1998-01-07 | STMicroelectronics S.r.l. | Process for the fabrication of integrated circuits with contacts self-aligned to active areas |
US6297111B1 (en) * | 1997-08-20 | 2001-10-02 | Advanced Micro Devices | Self-aligned channel transistor and method for making same |
US6331873B1 (en) * | 1998-12-03 | 2001-12-18 | Massachusetts Institute Of Technology | High-precision blooming control structure formation for an image sensor |
US6835627B1 (en) * | 2000-01-10 | 2004-12-28 | Analog Devices, Inc. | Method for forming a DMOS device and a DMOS device |
DE10131707B4 (de) * | 2001-06-29 | 2009-12-03 | Atmel Automotive Gmbh | Verfahren zur Herstellung eines DMOS-Transistors und dessen Verwendung zur Herstellung einer integrierten Schaltung |
JP3431909B2 (ja) * | 2001-08-21 | 2003-07-28 | 沖電気工業株式会社 | Ldmosトランジスタの製造方法 |
US7011998B1 (en) * | 2004-01-12 | 2006-03-14 | Advanced Micro Devices, Inc. | High voltage transistor scaling tilt ion implant method |
-
2004
- 2004-12-31 KR KR1020040118489A patent/KR100629605B1/ko not_active Expired - Fee Related
-
2005
- 2005-12-30 US US11/320,774 patent/US20060148184A1/en not_active Abandoned
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100770538B1 (ko) * | 2006-08-09 | 2007-10-25 | 동부일렉트로닉스 주식회사 | 횡형 디모스 트랜지스터의 제조방법 |
KR101212476B1 (ko) * | 2009-11-18 | 2013-01-21 | 마이크렐 인코포레이티드 | 게이트로서 비대칭 스페이서를 갖는 ldmos 트랜지스터 |
Also Published As
Publication number | Publication date |
---|---|
KR100629605B1 (ko) | 2006-09-27 |
US20060148184A1 (en) | 2006-07-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR101009399B1 (ko) | Ldmos 트랜지스터 및 그 제조방법 | |
US7649225B2 (en) | Asymmetric hetero-doped high-voltage MOSFET (AH2MOS) | |
KR0167273B1 (ko) | 고전압 모스전계효과트렌지스터의 구조 및 그 제조방법 | |
US9484454B2 (en) | Double-resurf LDMOS with drift and PSURF implants self-aligned to a stacked gate “bump” structure | |
US7605040B2 (en) | Method of forming high breakdown voltage low on-resistance lateral DMOS transistor | |
US7977715B2 (en) | LDMOS devices with improved architectures | |
US5933733A (en) | Zero thermal budget manufacturing process for MOS-technology power devices | |
TWI475614B (zh) | 溝渠裝置結構及製造 | |
US9608057B2 (en) | Semiconductor device and method for manufacturing semiconductor device | |
KR20100064556A (ko) | 반도체 소자 및 그 제조 방법 | |
KR20100064264A (ko) | 반도체 소자 및 이의 제조 방법 | |
KR100629605B1 (ko) | 엘디모스 채널 형성 방법 | |
JPWO2011155105A1 (ja) | 半導体装置 | |
KR20100067567A (ko) | 반도체 소자 및 이의 제조 방법 | |
US7851871B2 (en) | Semiconductor device and method for fabricating the same | |
US7736961B2 (en) | High voltage depletion FET employing a channel stopping implant | |
KR20090025757A (ko) | Dmos 트랜지스터 및 그 제조 방법 | |
KR20110078879A (ko) | 수평형 디모스 트랜지스터의 제조방법 | |
KR20050104163A (ko) | 고전압 트랜지스터 및 그 제조방법 | |
KR100608332B1 (ko) | 종형 디모스 트랜지스터 제조방법 | |
KR20110078928A (ko) | 반도체 소자 및 그 제조 방법 | |
KR100877266B1 (ko) | 엘디모스 채널 형성방법 | |
KR101585960B1 (ko) | 반도체 소자 및 그 제조 방법 | |
KR20100111021A (ko) | 반도체 소자 및 그 제조 방법 | |
KR20110078881A (ko) | 수평형 디모스 트랜지스터의 제조방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20041231 |
|
PA0201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20060403 Patent event code: PE09021S01D |
|
PG1501 | Laying open of application | ||
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20060915 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20060921 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 20060921 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
PR1001 | Payment of annual fee |
Payment date: 20090825 Start annual number: 4 End annual number: 4 |
|
PR1001 | Payment of annual fee |
Payment date: 20100823 Start annual number: 5 End annual number: 5 |
|
FPAY | Annual fee payment |
Payment date: 20110809 Year of fee payment: 6 |
|
PR1001 | Payment of annual fee |
Payment date: 20110809 Start annual number: 6 End annual number: 6 |
|
FPAY | Annual fee payment |
Payment date: 20120827 Year of fee payment: 7 |
|
PR1001 | Payment of annual fee |
Payment date: 20120827 Start annual number: 7 End annual number: 7 |
|
LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |