CN108122755B - 切槽蚀刻锥形正台面硅芯及硅二极管的制备方法 - Google Patents
切槽蚀刻锥形正台面硅芯及硅二极管的制备方法 Download PDFInfo
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- CN108122755B CN108122755B CN201711395393.0A CN201711395393A CN108122755B CN 108122755 B CN108122755 B CN 108122755B CN 201711395393 A CN201711395393 A CN 201711395393A CN 108122755 B CN108122755 B CN 108122755B
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- Prior art keywords
- silicon
- mesa
- diode
- groove
- single crystal
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 168
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 135
- 239000010703 silicon Substances 0.000 title claims abstract description 135
- 238000002360 preparation method Methods 0.000 title claims description 9
- YCISZOVUHXIOFY-HKXOFBAYSA-N Halopredone acetate Chemical compound C1([C@H](F)C2)=CC(=O)C(Br)=C[C@]1(C)[C@]1(F)[C@@H]2[C@@H]2CC[C@](OC(C)=O)(C(=O)COC(=O)C)[C@@]2(C)C[C@@H]1O YCISZOVUHXIOFY-HKXOFBAYSA-N 0.000 title description 2
- 238000005530 etching Methods 0.000 claims abstract description 32
- 238000009792 diffusion process Methods 0.000 claims abstract description 29
- 239000004065 semiconductor Substances 0.000 claims abstract description 20
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 238000005520 cutting process Methods 0.000 claims abstract description 7
- 238000003486 chemical etching Methods 0.000 claims abstract description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 5
- 239000011574 phosphorus Substances 0.000 claims abstract description 5
- 239000013078 crystal Substances 0.000 claims description 73
- 238000005260 corrosion Methods 0.000 claims description 50
- 230000007797 corrosion Effects 0.000 claims description 45
- 239000012535 impurity Substances 0.000 claims description 17
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 14
- 238000003698 laser cutting Methods 0.000 claims description 10
- 229920002120 photoresistant polymer Polymers 0.000 claims description 10
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 5
- 229910052796 boron Inorganic materials 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 238000000748 compression moulding Methods 0.000 claims description 5
- 238000007747 plating Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 238000004806 packaging method and process Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 19
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 230000005684 electric field Effects 0.000 description 12
- 230000015556 catabolic process Effects 0.000 description 10
- 239000000126 substance Substances 0.000 description 9
- 230000033001 locomotion Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000969 carrier Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000009466 transformation Effects 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
- H01L29/66—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
-
- 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
- H01L29/04—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their crystalline structure, e.g. polycrystalline, cubic or particular orientation of crystalline planes
- H01L29/045—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their crystalline structure, e.g. polycrystalline, cubic or particular orientation of crystalline planes by their particular orientation of crystalline planes
-
- 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
- H01L29/86—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
- H01L29/8613—Mesa PN junction diodes
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Weting (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711395393.0A CN108122755B (zh) | 2017-12-21 | 2017-12-21 | 切槽蚀刻锥形正台面硅芯及硅二极管的制备方法 |
Applications Claiming Priority (1)
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CN201711395393.0A CN108122755B (zh) | 2017-12-21 | 2017-12-21 | 切槽蚀刻锥形正台面硅芯及硅二极管的制备方法 |
Publications (2)
Publication Number | Publication Date |
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CN108122755A CN108122755A (zh) | 2018-06-05 |
CN108122755B true CN108122755B (zh) | 2020-10-13 |
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CN201711395393.0A Active CN108122755B (zh) | 2017-12-21 | 2017-12-21 | 切槽蚀刻锥形正台面硅芯及硅二极管的制备方法 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112909078B (zh) * | 2021-02-08 | 2022-11-29 | 临沂卓芯电子有限公司 | 一种高压超快恢复二极管芯片及其制造方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI241028B (en) * | 2002-03-08 | 2005-10-01 | Sanken Electric Co Ltd | Semiconductor device and its manufacturing method |
KR100794380B1 (ko) * | 2006-05-08 | 2008-01-15 | 한국광기술원 | 메사 측면 활성층이 보호처리된 매몰이종접합구조형 레이저다이오드의 제조방법 |
JP5195816B2 (ja) * | 2010-05-17 | 2013-05-15 | 富士電機株式会社 | 半導体装置の製造方法 |
CN106098791A (zh) * | 2016-06-16 | 2016-11-09 | 杭州赛晶电子有限公司 | U型蚀刻直角台面硅二极管及其硅芯和制备方法 |
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2017
- 2017-12-21 CN CN201711395393.0A patent/CN108122755B/zh active Active
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Denomination of invention: Preparation method of grooving etching conical positive mesa silicon core and silicon diode Effective date of registration: 20211225 Granted publication date: 20201013 Pledgee: Xiaoshan Branch of Agricultural Bank of China Ltd. Pledgor: HANGZHOU SAIJING ELECTRONIC CO.,LTD. Registration number: Y2021330002661 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
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Granted publication date: 20201013 Pledgee: Xiaoshan Branch of Agricultural Bank of China Ltd. Pledgor: HANGZHOU SAIJING ELECTRONIC CO.,LTD. Registration number: Y2021330002661 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
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Denomination of invention: Preparation method of grooved etching conical surface silicon core and silicon diode Granted publication date: 20201013 Pledgee: Xiaoshan Branch of Agricultural Bank of China Ltd. Pledgor: HANGZHOU SAIJING ELECTRONIC CO.,LTD. Registration number: Y2024330000524 |
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