CN110676307B - 肖特基二极管的制备方法 - Google Patents
肖特基二极管的制备方法 Download PDFInfo
- Publication number
- CN110676307B CN110676307B CN201910967615.4A CN201910967615A CN110676307B CN 110676307 B CN110676307 B CN 110676307B CN 201910967615 A CN201910967615 A CN 201910967615A CN 110676307 B CN110676307 B CN 110676307B
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- gallium oxide
- type gallium
- oxide layer
- anode metal
- Prior art date
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- 238000002360 preparation method Methods 0.000 title abstract description 6
- AJNVQOSZGJRYEI-UHFFFAOYSA-N digallium;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Ga+3].[Ga+3] AJNVQOSZGJRYEI-UHFFFAOYSA-N 0.000 claims abstract description 126
- 229910001195 gallium oxide Inorganic materials 0.000 claims abstract description 126
- 229910052751 metal Inorganic materials 0.000 claims abstract description 95
- 239000002184 metal Substances 0.000 claims abstract description 95
- 238000000034 method Methods 0.000 claims abstract description 33
- 239000000758 substrate Substances 0.000 claims abstract description 17
- 238000000151 deposition Methods 0.000 claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 10
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 8
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 7
- 238000005530 etching Methods 0.000 claims description 7
- 238000001259 photo etching Methods 0.000 claims description 7
- 238000001039 wet etching Methods 0.000 claims description 7
- 229910005191 Ga 2 O 3 Inorganic materials 0.000 claims description 5
- 238000001704 evaporation Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 abstract description 8
- 239000000463 material Substances 0.000 description 11
- 230000015556 catabolic process Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 229910001020 Au alloy Inorganic materials 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 241001354791 Baliga Species 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 1
- 238000005036 potential barrier Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
Images
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
- H01L29/02—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
- H01L29/0603—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 characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions
-
- 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
- H01L29/0684—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 characterised by the shape, relative sizes or dispositions of the semiconductor regions or junctions between the regions
-
- 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
- H01L29/66196—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 with an active layer made of a group 13/15 material
- H01L29/66204—Diodes
- H01L29/66212—Schottky diodes
-
- 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
- H01L29/872—Schottky diodes
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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)
- Manufacturing & Machinery (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910967615.4A CN110676307B (zh) | 2019-10-12 | 2019-10-12 | 肖特基二极管的制备方法 |
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CN201910967615.4A CN110676307B (zh) | 2019-10-12 | 2019-10-12 | 肖特基二极管的制备方法 |
Publications (2)
Publication Number | Publication Date |
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CN110676307A CN110676307A (zh) | 2020-01-10 |
CN110676307B true CN110676307B (zh) | 2022-12-20 |
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CN201910967615.4A Active CN110676307B (zh) | 2019-10-12 | 2019-10-12 | 肖特基二极管的制备方法 |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4254428A (en) * | 1979-12-28 | 1981-03-03 | International Business Machines Corporation | Self-aligned Schottky diode structure and method of fabrication |
JPH09293735A (ja) * | 1996-04-24 | 1997-11-11 | Sumitomo Electric Ind Ltd | 電界効果トランジスタの製造方法 |
WO2002031880A2 (en) * | 2000-10-06 | 2002-04-18 | General Semiconductor, Inc. | Trench dmos transistor with embedded trench schottky rectifier |
CN1738010A (zh) * | 2004-04-19 | 2006-02-22 | 竹懋科技股份有限公司 | 功率萧特基整流装置及其制造方法 |
CN1791981A (zh) * | 2003-05-21 | 2006-06-21 | 杰斯半导体公司纽波特工厂 | 制造具有平坦化层的自对准双极晶体管的方法及相关结构 |
JP2009295616A (ja) * | 2008-06-02 | 2009-12-17 | Philtech Inc | シリコン基板、デバイスの製造方法、デバイスおよびテスト方法 |
CN109755325A (zh) * | 2017-11-01 | 2019-05-14 | 北京大学 | 一种新型双槽型金属氧化物半导体势垒肖特基二极管结构及实现方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7436039B2 (en) * | 2005-01-06 | 2008-10-14 | Velox Semiconductor Corporation | Gallium nitride semiconductor device |
US10276731B2 (en) * | 2017-03-16 | 2019-04-30 | Toyoda Gosei Co., Ltd. | Schottky barrier diode |
-
2019
- 2019-10-12 CN CN201910967615.4A patent/CN110676307B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4254428A (en) * | 1979-12-28 | 1981-03-03 | International Business Machines Corporation | Self-aligned Schottky diode structure and method of fabrication |
JPH09293735A (ja) * | 1996-04-24 | 1997-11-11 | Sumitomo Electric Ind Ltd | 電界効果トランジスタの製造方法 |
WO2002031880A2 (en) * | 2000-10-06 | 2002-04-18 | General Semiconductor, Inc. | Trench dmos transistor with embedded trench schottky rectifier |
CN1791981A (zh) * | 2003-05-21 | 2006-06-21 | 杰斯半导体公司纽波特工厂 | 制造具有平坦化层的自对准双极晶体管的方法及相关结构 |
CN1738010A (zh) * | 2004-04-19 | 2006-02-22 | 竹懋科技股份有限公司 | 功率萧特基整流装置及其制造方法 |
JP2009295616A (ja) * | 2008-06-02 | 2009-12-17 | Philtech Inc | シリコン基板、デバイスの製造方法、デバイスおよびテスト方法 |
CN109755325A (zh) * | 2017-11-01 | 2019-05-14 | 北京大学 | 一种新型双槽型金属氧化物半导体势垒肖特基二极管结构及实现方法 |
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Inventor after: Wang Yuangang Inventor after: Feng Zhihong Inventor after: Lv Yuanjie Inventor after: Zhou Xingye Inventor after: Tan Xin Inventor after: Han Tingting Inventor after: Liang Shixiong Inventor after: Bu Aimin Inventor after: Xu Chunliang Inventor before: Wang Yuangang Inventor before: Feng Zhihong Inventor before: Lv Yuanjie Inventor before: Zhou Xingye Inventor before: Tan Xin Inventor before: Han Tingting Inventor before: Liang Shixiong |
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