CN103824760A - 一种碳化硅功率器件结终端的制造方法 - Google Patents
一种碳化硅功率器件结终端的制造方法 Download PDFInfo
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- CN103824760A CN103824760A CN201410044255.8A CN201410044255A CN103824760A CN 103824760 A CN103824760 A CN 103824760A CN 201410044255 A CN201410044255 A CN 201410044255A CN 103824760 A CN103824760 A CN 103824760A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 46
- 229910010271 silicon carbide Inorganic materials 0.000 title claims abstract description 27
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 42
- 230000000670 limiting effect Effects 0.000 claims abstract description 28
- 238000002347 injection Methods 0.000 claims abstract description 16
- 239000007924 injection Substances 0.000 claims abstract description 16
- 238000005530 etching Methods 0.000 claims abstract description 5
- 229940090044 injection Drugs 0.000 claims description 15
- 150000002500 ions Chemical class 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 238000001312 dry etching Methods 0.000 claims description 5
- 238000001259 photo etching Methods 0.000 claims description 5
- 238000001039 wet etching Methods 0.000 claims description 5
- 238000005468 ion implantation Methods 0.000 abstract 2
- 230000005684 electric field Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000002441 reversible effect Effects 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 238000000407 epitaxy Methods 0.000 description 3
- 238000002513 implantation Methods 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000000873 masking effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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Classifications
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- 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
- H01L21/0445—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 crystalline silicon carbide
-
- 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
- H01L21/0445—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 crystalline silicon carbide
- H01L21/0455—Making n or p doped regions or layers, e.g. using diffusion
- H01L21/046—Making n or p doped regions or layers, e.g. using diffusion using ion implantation
- H01L21/0465—Making n or p doped regions or layers, e.g. using diffusion using ion implantation using masks
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Electrodes Of Semiconductors (AREA)
- Thyristors (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410044255.8A CN103824760B (zh) | 2014-01-30 | 2014-01-30 | 一种碳化硅功率器件结终端的制造方法 |
Applications Claiming Priority (1)
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CN201410044255.8A CN103824760B (zh) | 2014-01-30 | 2014-01-30 | 一种碳化硅功率器件结终端的制造方法 |
Publications (2)
Publication Number | Publication Date |
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CN103824760A true CN103824760A (zh) | 2014-05-28 |
CN103824760B CN103824760B (zh) | 2017-04-26 |
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CN201410044255.8A Active CN103824760B (zh) | 2014-01-30 | 2014-01-30 | 一种碳化硅功率器件结终端的制造方法 |
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CN (1) | CN103824760B (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105914133A (zh) * | 2016-05-09 | 2016-08-31 | 中国电子科技集团公司第五十五研究所 | 一种变掺杂结终端制备方法 |
CN107369620A (zh) * | 2016-05-12 | 2017-11-21 | 北大方正集团有限公司 | 结终端扩展结构制备方法及结终端扩展结构、vdmos功率器件 |
CN110534556A (zh) * | 2019-07-23 | 2019-12-03 | 珠海格力电器股份有限公司 | 功率半导体器件、其终端结构、掩膜版和制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040135153A1 (en) * | 2003-01-15 | 2004-07-15 | Sei-Hyung Ryu | Multiple floating guard ring edge termination for silicon carbide devices and methods of fabricating silicon carbide devices incorporating same |
JP2005260267A (ja) * | 2005-04-27 | 2005-09-22 | Fuji Electric Holdings Co Ltd | 炭化けい素半導体素子の製造方法 |
CN102779857A (zh) * | 2006-01-12 | 2012-11-14 | 克里公司 | 用于碳化硅器件的边缘终端结构和制造包含该结构的碳化硅器件的方法 |
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2014
- 2014-01-30 CN CN201410044255.8A patent/CN103824760B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040135153A1 (en) * | 2003-01-15 | 2004-07-15 | Sei-Hyung Ryu | Multiple floating guard ring edge termination for silicon carbide devices and methods of fabricating silicon carbide devices incorporating same |
JP2005260267A (ja) * | 2005-04-27 | 2005-09-22 | Fuji Electric Holdings Co Ltd | 炭化けい素半導体素子の製造方法 |
CN102779857A (zh) * | 2006-01-12 | 2012-11-14 | 克里公司 | 用于碳化硅器件的边缘终端结构和制造包含该结构的碳化硅器件的方法 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105914133A (zh) * | 2016-05-09 | 2016-08-31 | 中国电子科技集团公司第五十五研究所 | 一种变掺杂结终端制备方法 |
CN105914133B (zh) * | 2016-05-09 | 2018-11-27 | 中国电子科技集团公司第五十五研究所 | 一种变掺杂结终端制备方法 |
CN107369620A (zh) * | 2016-05-12 | 2017-11-21 | 北大方正集团有限公司 | 结终端扩展结构制备方法及结终端扩展结构、vdmos功率器件 |
CN110534556A (zh) * | 2019-07-23 | 2019-12-03 | 珠海格力电器股份有限公司 | 功率半导体器件、其终端结构、掩膜版和制备方法 |
CN110534556B (zh) * | 2019-07-23 | 2020-11-17 | 珠海格力电器股份有限公司 | 功率半导体器件、其终端结构、掩膜版和制备方法 |
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CN103824760B (zh) | 2017-04-26 |
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Address after: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee after: ZHUZHOU CRRC TIMES ELECTRIC Co.,Ltd. Address before: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee before: ZHUZHOU CSR TIMES ELECTRIC Co.,Ltd. |
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Effective date of registration: 20200925 Address after: 412001 Room 309, floor 3, semiconductor third line office building, Tianxin hi tech park, Shifeng District, Zhuzhou City, Hunan Province Patentee after: Zhuzhou CRRC times Semiconductor Co.,Ltd. Address before: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee before: ZHUZHOU CRRC TIMES ELECTRIC Co.,Ltd. |
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