KR100660722B1 - 바이폴라 접합 트랜지스터 및 그 제조 방법 - Google Patents
바이폴라 접합 트랜지스터 및 그 제조 방법 Download PDFInfo
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- KR100660722B1 KR100660722B1 KR1020050134780A KR20050134780A KR100660722B1 KR 100660722 B1 KR100660722 B1 KR 100660722B1 KR 1020050134780 A KR1020050134780 A KR 1020050134780A KR 20050134780 A KR20050134780 A KR 20050134780A KR 100660722 B1 KR100660722 B1 KR 100660722B1
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims description 18
- 125000006850 spacer group Chemical group 0.000 claims abstract description 55
- 239000000758 substrate Substances 0.000 claims abstract description 41
- 239000004065 semiconductor Substances 0.000 claims abstract description 37
- 150000004767 nitrides Chemical class 0.000 claims description 18
- 238000005468 ion implantation Methods 0.000 claims description 11
- 239000010410 layer Substances 0.000 description 8
- 229920002120 photoresistant polymer Polymers 0.000 description 5
- 238000001312 dry etching Methods 0.000 description 2
- 239000000969 carrier Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000002184 metal Substances 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
- 238000001039 wet etching Methods 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
- H01L29/66—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
- H01L29/70—Bipolar devices
- H01L29/72—Transistor-type devices, i.e. able to continuously respond to applied control signals
- H01L29/73—Bipolar junction transistors
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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
- H01L29/66—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
- H01L29/70—Bipolar devices
- H01L29/72—Transistor-type devices, i.e. able to continuously respond to applied control signals
- H01L29/73—Bipolar junction transistors
- H01L29/732—Vertical transistors
- H01L29/7322—Vertical transistors having emitter-base and base-collector junctions leaving at the same surface of the body, e.g. planar transistor
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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
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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
- H01L29/10—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 not carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
- H01L29/1004—Base region of bipolar transistors
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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
- H01L29/66—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
- H01L29/66234—Bipolar junction transistors [BJT]
- H01L29/66272—Silicon vertical transistors
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- Bipolar Transistors (AREA)
Abstract
Description
Claims (6)
- P형 반도체 기판 위에 소정의 간격을 두고 선택적으로 형성되는 한 쌍의 제1 스페이서;상기 제1 스페이서의 마주보는 안쪽 측벽에 각각 형성되는 한 쌍의 제2 스페이서;상기 제1 스페이서 아래의 상기 반도체 기판 안에 제1 깊이로 형성되는 저농도 N형 컬렉터 영역;상기 저농도 N형 컬렉터 영역과 접하면서 상기 제1 스페이서 사이의 상기 반도체 기판 안에 제2 깊이로 형성되는 저농도 P형 베이스 영역;상기 제2 질화막 스페이서 사이의 상기 저농도 P형 베이스 영역 안에 제3 깊이로 형성되는 고농도 N형 에미터 영역;상기 저농도 N형 컬렉터 영역과 접하면서 상기 제1 질화막 스페이서 바깥쪽의 상기 반도체 기판 안에 형성되는 고농도 N형 컬렉터 영역; 및상기 고농도 N형 컬렉터 영역과 떨어져 상기 반도체 기판 안에 형성되는 고농도 P형 베이스 영역;을 포함하는 바이폴라 접합 트랜지스터.
- 제1항에 있어서,상기 고농도 N형 에미터 영역과 상기 저농도 N형 컬렉터 영역 사이의 상기 저농도 P형 베이스 폭은 상기 제2 스페이서의 폭과 동일한 것을 특징으로 하는 바이폴라 접합 트랜지스터.
- 제1항에 있어서,상기 저농도 N형 컬렉터 영역의 제1 깊이는 상기 저농도 P형 베이스 영역의 제2 깊이보다 작은 것을 특징으로 하는 바이폴라 접합 트랜지스터.
- 제1항에 있어서,상기 고농도 N형 에미터 영역의 제3 깊이는 상기 저농도 P형 베이스 영역의 제2 깊이보다 작은 것을 특징으로 하는 바이폴라 접합 트랜지스터.
- P형 반도체 기판 위에 산화막 패턴을 형성하는 단계;상기 산화막 패턴을 마스크로 이용하는 이온주입 공정을 진행하여 상기 반도체 기판 안에 저농도 N형 컬렉터 영역을 형성하는 단계;상기 산화막 패턴의 측벽에 제1 스페이서를 형성하는 단계;상기 제1 스페이서를 마스크로 이용하는 이온주입 공정을 진행하여 상기 반도체 기판 안에 저농도 P형 베이스 영역을 형성하는 단계;상기 제1 스페이서의 측벽에 제2 스페이서를 형성하는 단계;상기 산화막 패턴을 제거하는 단계;상기 제1, 제2 스페이서를 마스크로 이용하는 이온주입 공정을 진행하여 상 기 제2 스페이서 사이의 상기 저농도 P형 베이스 영역 안에 고농도 N형 에미터 영역을 형성하고 상기 제1 질화막 스페이서 바깥쪽의 상기 반도체 기판 안에 고농도 N형 컬렉터 영역을 형성하는 단계; 및상기 고농도 N형 컬렉터 영역과 떨어져 상기 반도체 기판 안에 고농도 P형 베이스 영역을 형성하는 단계;를 포함하는 바이폴라 접합 트랜지스터의 제조 방법.
- 제5항에 있어서,상기 제1 스페이서와 상기 제2 스페이서는 각각 질화막으로 이루어지는 것을 특징으로 하는 바이폴라 접합 트랜지스터의 제조 방법.
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KR1020050134780A KR100660722B1 (ko) | 2005-12-30 | 2005-12-30 | 바이폴라 접합 트랜지스터 및 그 제조 방법 |
US11/615,741 US7642169B2 (en) | 2005-12-30 | 2006-12-22 | Method of making a bipolar junction transistor |
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KR1020050134780A KR100660722B1 (ko) | 2005-12-30 | 2005-12-30 | 바이폴라 접합 트랜지스터 및 그 제조 방법 |
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US8759188B2 (en) * | 2010-12-29 | 2014-06-24 | Stmicroelectronics S.R.L. | Radiation hardened bipolar injunction transistor |
WO2023161384A1 (en) * | 2022-02-25 | 2023-08-31 | Analog Devices International Unlimited Company | Monolithically integrated lateral bipolar device with voltage scaling |
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JPH01230270A (ja) * | 1988-03-10 | 1989-09-13 | Oki Electric Ind Co Ltd | バイポーラ型トランジスタ及びその製造方法 |
US5286996A (en) * | 1991-12-31 | 1994-02-15 | Purdue Research Foundation | Triple self-aligned bipolar junction transistor |
US6949424B2 (en) * | 2003-08-28 | 2005-09-27 | Texas Instruments Incorporated | Single poly-emitter PNP using DWELL diffusion in a BiCMOS technology |
DE102004021240B4 (de) * | 2004-04-30 | 2008-07-31 | Infineon Technologies Ag | Verfahren zur Herstellung einer Halbleiter-Schaltungsanordnung in BiCMOS-Technologie |
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