KR100374627B1 - 고내압 아이솔레이션 영역을 갖는 고전압 반도체 소자 - Google Patents
고내압 아이솔레이션 영역을 갖는 고전압 반도체 소자 Download PDFInfo
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 55
- 238000002955 isolation Methods 0.000 title claims abstract description 50
- 230000015556 catabolic process Effects 0.000 title claims abstract description 42
- 238000009792 diffusion process Methods 0.000 claims abstract description 48
- 239000000758 substrate Substances 0.000 claims abstract description 26
- 239000012535 impurity Substances 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 14
- 229920002120 photoresistant polymer Polymers 0.000 description 15
- 150000002500 ions Chemical class 0.000 description 12
- 238000005468 ion implantation Methods 0.000 description 6
- 150000004767 nitrides Chemical class 0.000 description 6
- 238000001459 lithography Methods 0.000 description 5
- 230000005684 electric field Effects 0.000 description 4
- 230000000295 complement effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
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- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 2
- 229920005591 polysilicon Polymers 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
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- 230000002401 inhibitory effect Effects 0.000 description 1
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- 125000006850 spacer group Chemical group 0.000 description 1
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Abstract
Description
Claims (8)
- 고전압 영역과 저전압 영역 사이에 제1 도전형의 고전압 모스 트랜지스터 및 고내압 아이솔레이션 영역을 갖는 고전압 반도체 소자에 있어서,제1 도전형의 반도체 기판;상기 반도체 기판 위에 형성된 제2 도전형의 에피택셜층;상기 고전압 영역 및 상기 고내압 아이솔레이션 영역에 형성된 아이솔레이션을 위한 제1 도전형의 제1 확산 영역;상기 고전압 모스 트랜지스터 및 상기 저전압 영역 내의 상기 반도체 기판과 상기 에피택셜층 사이에 형성된 제2 도전형의 매몰층;상기 고전압 모스 트랜지스터의 상기 제2 도전형의 매몰층 위에서 상기 매몰층과 일정 간격 이격되도록 형성된 제1 도전형의 소스 영역;상기 고전압 모스 트랜지스터의 에피택셜층 표면 부분에서 상기 제1 도전형의 소스 영역과 일정 간격 이격되도록 형성된 제1 도전형의 드레인 영역;상기 저전압 영역에 형성되어 상기 고전압 모스 트랜지스터로부터의 신호를상기 저전압 영역으로 전달하기 위한 저항 수단;상기 고전압 모스 트랜지스터의 에피택셜층 표면의 채널 영역 위에 형성된 게이트 절연막;상기 게이트 절연막 위에 형성된 게이트 전극;상기 제1 도전형의 소스 영역과 컨택되도록 형성된 소스 전극; 및상기 제1 도전형의 드레인 영역과 컨택되되, 상기 고내압 아이솔레이션 영역을 통해 상기 저항 수단과 연결되도록 형성된 드레인 전극을 구비하는 것을 특징으로 하는 고내압 아이솔레이션 영역을 갖는 고전압 반도체 소자.
- 제1항에 있어서, 상기 제1 확산 영역은,상기 고전압 영역 및 상기 고내압 아이솔레이션 영역에서 상기 반도체 기판과 상기 에피택셜층의 경계 영역에 형성된 제1 도전형의 매몰층; 및상기 제1 도전형의 매몰층 위에서 상기 매몰층과 인접되게 형성된 제1 도전형의 불순물 영역을 포함하는 것을 특징으로 하는 고내압 아이솔레이션 영역을 갖는 고전압 반도체 소자.
- 제1항에 있어서,상기 제2 도전형의 매몰층에서의 불순물 농도는 상기 제2 도전형의 에피택셜층에서의 불순물 농도보다 더 높은 것을 특징으로 하는 고내압 아이솔레이션 영역을 갖는 고전압 반도체 소자.
- 제1항에 있어서,상기 고전압 모스 트랜지스터의 상기 에피택셜층의 표면 부분에서 상기 제1 도전형의 소스 영역과는 일정 간격 이격되고 상기 제1 도전형의 드레인 영역은 둘러싸도록 형성된 제1 도전형의 탑 영역을 더 구비하는 것을 특징으로 하는 고내압 아이솔레이션 영역을 갖는 고전압 반도체 소자.
- 제1항에 있어서, 상기 저항 수단은,상기 저전압 영역의 에피택셜층 표면 부분에 형성된 제1 도전형의 제2 확산 영역; 및상기 제1 도전형의 제2 확산 영역의 표면 부분에서 상호 이격되도록 형성된 두 개의 제1 도전형의 고농도 영역들을 포함하는 것을 특징으로 하는 고내압 아이솔레이션 영역을 갖는 고전압 반도체 소자.
- 제5항에 있어서,상기 제1 도전형의 고농도 영역들 중 어느 하나에는 상기 드레인 전극과 연결되는 것을 특징으로 하는 고내압 아이솔레이션 영역을 갖는 고전압 반도체 소자.
- 제6항에 있어서,상기 제1 도전형의 고농도 영역들 중 상기 드레인 전극에 연결되지 않은 제1도전형의 고농도 영역에 컨택되면서 상기 고전압 영역에 연결되도록 형성된 도전막을 더 구비하는 것을 특징으로 하는 고내압 아이솔레이션 영역을 갖는 고전압 반도체 소자.
- 제1항에 있어서,상기 제1 도전형은 p형이고, 상기 제2 도전형은 n형인 것을 특징으로 하는 고내압 아이솔레이션 영역을 갖는 고전압 반도체 소자.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0045270A KR100374627B1 (ko) | 2000-08-04 | 2000-08-04 | 고내압 아이솔레이션 영역을 갖는 고전압 반도체 소자 |
US09/824,804 US20020017683A1 (en) | 2000-08-04 | 2001-04-04 | High voltage semiconductor device having high breakdown voltage isolation region |
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KR10-2000-0045270A KR100374627B1 (ko) | 2000-08-04 | 2000-08-04 | 고내압 아이솔레이션 영역을 갖는 고전압 반도체 소자 |
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Cited By (1)
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KR101463076B1 (ko) * | 2008-03-28 | 2014-12-05 | 페어차일드코리아반도체 주식회사 | 레벨 시프트 소자들을 구비하는 고압 반도체소자 및 그의제조방법 |
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KR100867572B1 (ko) * | 2002-03-09 | 2008-11-10 | 페어차일드코리아반도체 주식회사 | 고전압 섬 영역 내에 바이폴라 트랜지스터가 내장된고전압 집적 회로 |
JP4667756B2 (ja) * | 2004-03-03 | 2011-04-13 | 三菱電機株式会社 | 半導体装置 |
DE102004043284A1 (de) * | 2004-09-08 | 2006-03-23 | X-Fab Semiconductor Foundries Ag | DMOS-Transistor für hohe Drain- und Sourcespannungen |
US7888768B2 (en) * | 2006-01-09 | 2011-02-15 | Fairchild Korea Semiconductor, Ltd. | Power integrated circuit device having embedded high-side power switch |
US7829928B2 (en) * | 2006-06-26 | 2010-11-09 | System General Corp. | Semiconductor structure of a high side driver and method for manufacturing the same |
KR101688831B1 (ko) * | 2010-04-07 | 2016-12-22 | 삼성전자 주식회사 | 반도체 집적회로 장치 및 그 제조방법 |
JP5734725B2 (ja) * | 2011-04-27 | 2015-06-17 | ルネサスエレクトロニクス株式会社 | 半導体装置およびその製造方法 |
US9634135B2 (en) * | 2012-03-02 | 2017-04-25 | Microchip Technology Incorporated | Power field effect transistor |
CN104134661B (zh) * | 2013-05-02 | 2016-12-28 | 无锡华润上华半导体有限公司 | 一种高压集成电路及其制造方法 |
US20150048452A1 (en) * | 2013-08-16 | 2015-02-19 | Macronix International Co., Ltd. | Ultra-high voltage semiconductor having an isolated structure for high side operation and method of manufacture |
CN103745988B (zh) * | 2014-01-07 | 2017-01-25 | 无锡芯朋微电子股份有限公司 | 一种高压驱动电路的隔离结构 |
TWI587506B (zh) * | 2015-10-16 | 2017-06-11 | 立錡科技股份有限公司 | 上橋功率元件及其製造方法 |
TWI560875B (en) * | 2015-11-19 | 2016-12-01 | Nuvoton Technology Corp | Semiconductor device and method of manufacturing the same |
KR102227666B1 (ko) * | 2017-05-31 | 2021-03-12 | 주식회사 키 파운드리 | 고전압 반도체 소자 |
TWI641136B (zh) * | 2017-06-12 | 2018-11-11 | 立錡科技股份有限公司 | 上橋功率元件及其製造方法 |
CN108493248B (zh) * | 2018-03-05 | 2021-08-24 | 上海华虹宏力半导体制造有限公司 | 电平位移结构及其制造方法 |
KR102033445B1 (ko) * | 2018-12-19 | 2019-10-17 | 온세미컨덕터코리아 주식회사 | 전력 반도체 소자 |
JP7157691B2 (ja) * | 2019-03-20 | 2022-10-20 | 株式会社東芝 | 半導体装置 |
US12032014B2 (en) | 2019-09-09 | 2024-07-09 | Analog Devices International Unlimited Company | Semiconductor device configured for gate dielectric monitoring |
US11552190B2 (en) * | 2019-12-12 | 2023-01-10 | Analog Devices International Unlimited Company | High voltage double-diffused metal oxide semiconductor transistor with isolated parasitic bipolar junction transistor region |
CN113506797B (zh) * | 2021-06-22 | 2024-01-19 | 上海华虹宏力半导体制造有限公司 | 电压转换隔离结构 |
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JPH07109861B2 (ja) * | 1990-01-19 | 1995-11-22 | 株式会社東芝 | 電荷転送デバイスを含む半導体装置およびその製造方法 |
DE69616013T2 (de) * | 1995-07-19 | 2002-06-06 | Koninklijke Philips Electronics N.V., Eindhoven | Halbleiteranordnung vom hochspannungs-ldmos-typ |
US6236100B1 (en) * | 2000-01-28 | 2001-05-22 | General Electronics Applications, Inc. | Semiconductor with high-voltage components and low-voltage components on a shared die |
-
2000
- 2000-08-04 KR KR10-2000-0045270A patent/KR100374627B1/ko active IP Right Grant
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101463076B1 (ko) * | 2008-03-28 | 2014-12-05 | 페어차일드코리아반도체 주식회사 | 레벨 시프트 소자들을 구비하는 고압 반도체소자 및 그의제조방법 |
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US20020017683A1 (en) | 2002-02-14 |
KR20020011753A (ko) | 2002-02-09 |
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