KR100886809B1 - 깊은 트랜치 터미네이션을 갖는 고전압 반도체 소자 및 그제조 방법 - Google Patents
깊은 트랜치 터미네이션을 갖는 고전압 반도체 소자 및 그제조 방법 Download PDFInfo
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- KR100886809B1 KR100886809B1 KR1020020043004A KR20020043004A KR100886809B1 KR 100886809 B1 KR100886809 B1 KR 100886809B1 KR 1020020043004 A KR1020020043004 A KR 1020020043004A KR 20020043004 A KR20020043004 A KR 20020043004A KR 100886809 B1 KR100886809 B1 KR 100886809B1
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 38
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 238000000034 method Methods 0.000 claims description 45
- 238000001020 plasma etching Methods 0.000 claims description 13
- 239000007789 gas Substances 0.000 claims description 10
- 238000002161 passivation Methods 0.000 claims description 8
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 16
- 238000005530 etching Methods 0.000 description 12
- 229920002120 photoresistant polymer Polymers 0.000 description 12
- 230000015556 catabolic process Effects 0.000 description 10
- 239000012535 impurity Substances 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 9
- 229910052814 silicon oxide Inorganic materials 0.000 description 9
- 230000005684 electric field Effects 0.000 description 8
- 238000009616 inductively coupled plasma Methods 0.000 description 8
- 239000011229 interlayer Substances 0.000 description 8
- 238000009792 diffusion process Methods 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- 239000002184 metal Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 239000012495 reaction gas Substances 0.000 description 3
- 230000006698 induction Effects 0.000 description 2
- 238000005468 ion implantation Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
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- 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
- H10D62/13—Semiconductor regions connected to electrodes carrying current to be rectified, amplified or switched, e.g. source or drain regions
- H10D62/137—Collector regions of BJTs
-
- 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
- H10D62/13—Semiconductor regions connected to electrodes carrying current to be rectified, amplified or switched, e.g. source or drain regions
- H10D62/133—Emitter regions of BJTs
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- Bipolar Transistors (AREA)
Abstract
Description
Claims (5)
- 제1 도전형의 고농도 컬렉터 영역, 제1 도전형의 저농도 컬렉터 영역 및 제2 도전형의 저농도 베이스 영역이 순차적으로 적층된 고전압 반도체 소자에 있어서,상기 베이스 영역 및 저농도 컬렉터 영역을 관통하여 상기 고농도 컬렉터 영역의 일정 깊이까지 뚫는 트랜치를 포함하되, 상기 트랜치는 스크라이브 라인을 포함하는 소자의 최외각에 위치하고, 상기 트렌치는 40-200㎛의 폭을 갖는 것을 특징으로 하는 고전압 반도체 소자.
- 삭제
- 제1항에 있어서,상기 트랜치를 덮는 보호막을 더 구비하는 것을 특징으로 하는 고전압 반도체 소자.
- 제1 도전형의 고농도 컬렉터 영역 위에 저농도의 컬렉터 영역을 형성하는 단계;상기 저농도 컬렉터 영역 위에 제2 도전형의 베이스 영역을 형성하는 단계;상기 베이스 영역의 상부 일정 영역에 제1 도전형의 고농도 에미터 영역을 형성하는 단계; 및결합성 유도 플라즈마를 이용한 반응성 이온 식각 공정을 수행하여, 상기 에미터 영역과 일정 간격 이격된 스크라이브 라인을 포함하는 소자의 최외각에 상기 베이스 영역 및 상기 저농도 컬렉터 영역을 관통하여 상기 고농도 컬렉터 영역의 일정 깊이까지 뚫는 트랜치를 형성하는 단계를 포함하되,상기 트렌치는 40-200㎛의 폭을 갖는 것을 특징으로 하는 고전압 반도체 소자의 제조 방법.
- 제4항에 있어서,상기 결합성 유도 플라즈마를 이용한 반응성 이온 식각 공정은 C4F8 가스또는 SF6 가스와 아르곤(Ar) 가스를 사용하여 수행하는 것을 특징으로 하는 고전압 반도체 소자의 제조 방법.
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KR1020020043004A KR100886809B1 (ko) | 2002-07-22 | 2002-07-22 | 깊은 트랜치 터미네이션을 갖는 고전압 반도체 소자 및 그제조 방법 |
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KR1020020043004A KR100886809B1 (ko) | 2002-07-22 | 2002-07-22 | 깊은 트랜치 터미네이션을 갖는 고전압 반도체 소자 및 그제조 방법 |
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KR20040009161A KR20040009161A (ko) | 2004-01-31 |
KR100886809B1 true KR100886809B1 (ko) | 2009-03-04 |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04323832A (ja) * | 1991-04-23 | 1992-11-13 | Mitsubishi Electric Corp | 半導体装置およびその製造方法 |
JPH06232149A (ja) * | 1993-02-02 | 1994-08-19 | Nippondenso Co Ltd | 半導体装置 |
JPH07142566A (ja) * | 1993-11-17 | 1995-06-02 | Nippondenso Co Ltd | 絶縁物分離半導体装置 |
KR19990066467A (ko) * | 1998-01-26 | 1999-08-16 | 김덕중 | 고내압 트랜지스터 제조방법 |
JP2001036071A (ja) * | 1999-07-16 | 2001-02-09 | Toshiba Corp | 半導体装置の製造方法 |
KR20010039202A (ko) * | 1999-10-29 | 2001-05-15 | 김덕중 | 트렌치형 게이트를 갖는 전력용 반도체 소자 및 그 제조방법 |
KR100393199B1 (ko) * | 2001-01-15 | 2003-07-31 | 페어차일드코리아반도체 주식회사 | 높은 브레이크다운 전압을 갖는 고전압 반도체 소자 및 그제조방법 |
-
2002
- 2002-07-22 KR KR1020020043004A patent/KR100886809B1/ko active IP Right Grant
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04323832A (ja) * | 1991-04-23 | 1992-11-13 | Mitsubishi Electric Corp | 半導体装置およびその製造方法 |
JPH06232149A (ja) * | 1993-02-02 | 1994-08-19 | Nippondenso Co Ltd | 半導体装置 |
JPH07142566A (ja) * | 1993-11-17 | 1995-06-02 | Nippondenso Co Ltd | 絶縁物分離半導体装置 |
KR19990066467A (ko) * | 1998-01-26 | 1999-08-16 | 김덕중 | 고내압 트랜지스터 제조방법 |
JP2001036071A (ja) * | 1999-07-16 | 2001-02-09 | Toshiba Corp | 半導体装置の製造方法 |
KR20010039202A (ko) * | 1999-10-29 | 2001-05-15 | 김덕중 | 트렌치형 게이트를 갖는 전력용 반도체 소자 및 그 제조방법 |
KR100393199B1 (ko) * | 2001-01-15 | 2003-07-31 | 페어차일드코리아반도체 주식회사 | 높은 브레이크다운 전압을 갖는 고전압 반도체 소자 및 그제조방법 |
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