KR100518059B1 - 스위칭 다이오드 및 그 제조 방법 - Google Patents
스위칭 다이오드 및 그 제조 방법 Download PDFInfo
- Publication number
- KR100518059B1 KR100518059B1 KR10-2003-0058086A KR20030058086A KR100518059B1 KR 100518059 B1 KR100518059 B1 KR 100518059B1 KR 20030058086 A KR20030058086 A KR 20030058086A KR 100518059 B1 KR100518059 B1 KR 100518059B1
- Authority
- KR
- South Korea
- Prior art keywords
- type
- region
- epitaxial layer
- device isolation
- isolation region
- Prior art date
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000002955 isolation Methods 0.000 claims abstract description 50
- 239000000758 substrate Substances 0.000 claims abstract description 35
- 239000004065 semiconductor Substances 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims description 12
- 239000012535 impurity Substances 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 238000005468 ion implantation Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 9
- 238000009792 diffusion process Methods 0.000 description 4
- 239000010949 copper Substances 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 229910021478 group 5 element Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005538 encapsulation Methods 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
- 150000004767 nitrides Chemical class 0.000 description 1
Classifications
-
- 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
- H01L29/86—Types of semiconductor device ; Multistep manufacturing processes therefor controllable only by variation of the electric current supplied, or only the electric potential applied, to one or more of the electrodes carrying the current to be rectified, amplified, oscillated or switched
- H01L29/861—Diodes
- H01L29/8611—Planar PN junction diodes
-
- 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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- H01L21/02293—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process formation of epitaxial layers by a deposition process
-
- 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
-
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/7624—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology
- H01L21/76251—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology using bonding techniques
- H01L21/76254—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology using bonding techniques with separation/delamination along an ion implanted layer, e.g. Smart-cut, Unibond
-
- 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
- H01L29/66083—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by variation of the electric current supplied or the electric potential applied, to one or more of the electrodes carrying the current to be rectified, amplified, oscillated or switched, e.g. two-terminal devices
- H01L29/6609—Diodes
- H01L29/66136—PN junction diodes
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- High Energy & Nuclear Physics (AREA)
- Ceramic Engineering (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Bipolar Integrated Circuits (AREA)
- Bipolar Transistors (AREA)
Abstract
Description
Claims (12)
- 반도체 기판;상기 반도체 기판에 일정 두께로 성장된 N-형 에피텍셜층;상기 N-형 에피텍셜층의 상면으로부터 반도체 기판까지 형성된 소자분리영역;상기 소자분리영역의 내측인 N-형 에피텍셜층에 일정 깊이로 형성된 P+형 애노드 영역; 및,상기 소자분리영역의 외측인 N-형 에피텍셜층에 일정 깊이로 형성된 N+형 캐소드 영역을 포함하여 이루어진 스위칭 다이오드.
- 제 1 항에 있어서, 상기 반도체 기판은 P+형인 것을 특징으로 하는 스위칭 다이오드.
- 제 1 항에 있어서, 상기 소자분리영역은 P형인 것을 특징으로 하는 스위칭 다이오드.
- 제 1 항에 있어서, 상기 P+형 애노드 영역의 깊이는 3㎛~5㎛인 것을 특징으로 하는 스위칭 다이오드.
- 제 1 항에 있어서, 상기 P+형 애노드 영역의 표면에는 애노드 전극이 형성되고, 상기 N+형 캐소드 영역의 표면에는 캐소드 전극이 형성된 것을 특징으로 하는 스위칭 다이오드.
- 제 1 항에 있어서, 상기 소자분리영역의 상면과 N-형 에피텍셜층의 상면 사이에는 금속이 증착되어, 상기 소자분리영역 및 N-형 에피텍셜층이 쇼트된 것을 특징으로 하는 스위칭 다이오드.
- 대략 판상의 반도체 기판을 제공하고, 그 위에 일정 두께로 N-형 에피텍셜층을 성장시키는 단계;상기 N-형 에피텍셜층의 상면으로부터 반도체 기판까지 일정 깊이로 소자분리영역을 형성하는 단계;상기 소자분리영역의 내측인 N-형 에피텍셜층에 일정 깊이로 P+형 애노드 영역을 형성하는 단계; 및,상기 소자분리영역의 외측인 N-형 에피텍셜층에 일정 깊이로 N+형 캐소드 영역을 형성하는 단계를 포함하여 이루어진 스위칭 다이오드의 제조 방법.
- 제 7 항에 있어서, 상기 반도체 기판 제공 단계는 P+형 반도체 기판을 제공함을 특징으로 하는 스위칭 다이오드의 제조 방법.
- 제 7 항에 있어서, 상기 소자분리영역 형성 단계는 P형 불순물을 이온주입하여 형성함을 특징으로 하는 스위칭 다이오드의 제조 방법.
- 제 7 항에 있어서, 상기 P+형 애노드 영역 형성 단계는 P+형 애노드 영역의 깊이가 3㎛~5㎛로 형성되도록 함을 특징으로 하는 스위칭 다이오드의 제조 방법.
- 제 7 항에 있어서, 상기 N+형 캐소드 영역 형성 단계후에는, P+형 애노드 영역의 표면에 애노드 전극을 형성하고, 상기 N+형 캐소드 영역의 표면에 캐소드 전극을 형성하는 단계가 더 포함된 것을 특징으로 하는 스위칭 다이오드의 제조 방법.
- 제 7 항에 있어서, 상기 N+형 캐소드 영역 형성 단계후에는, 상기 소자분리영역의 상면과 N-형 에피텍셜층의 상면 사이에 금속을 증착하여, 상기 소자분리영역 및 N-형 에피텍셜층이 쇼트되도록 하는 단계가 더 포함된 것을 특징으로 하는 스위칭 다이오드의 제조 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0058086A KR100518059B1 (ko) | 2003-08-21 | 2003-08-21 | 스위칭 다이오드 및 그 제조 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0058086A KR100518059B1 (ko) | 2003-08-21 | 2003-08-21 | 스위칭 다이오드 및 그 제조 방법 |
Publications (2)
Publication Number | Publication Date |
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KR20050020297A KR20050020297A (ko) | 2005-03-04 |
KR100518059B1 true KR100518059B1 (ko) | 2005-09-28 |
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KR10-2003-0058086A KR100518059B1 (ko) | 2003-08-21 | 2003-08-21 | 스위칭 다이오드 및 그 제조 방법 |
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Families Citing this family (1)
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KR101556929B1 (ko) | 2009-03-23 | 2015-10-02 | 삼성전자주식회사 | 다이오드 구조체 및 이를 포함하는 저항성 메모리 소자 |
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