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
- 238000000034 method Methods 0.000 title claims description 46
- 238000001020 plasma etching Methods 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 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
- 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
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
- H01L29/08—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions with semiconductor regions connected to an electrode carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
- H01L29/0821—Collector regions of bipolar transistors
-
- 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
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
- H01L29/08—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions with semiconductor regions connected to an electrode carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
- H01L29/0804—Emitter regions of bipolar transistors
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- 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)
- 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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