CN107993974B - 一种碳化硅的选择性氧化方法 - Google Patents
一种碳化硅的选择性氧化方法 Download PDFInfo
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- CN107993974B CN107993974B CN201711204459.3A CN201711204459A CN107993974B CN 107993974 B CN107993974 B CN 107993974B CN 201711204459 A CN201711204459 A CN 201711204459A CN 107993974 B CN107993974 B CN 107993974B
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- oxidized
- region
- selective oxidation
- mask layer
- silicon carbide
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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
- H01L21/70—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
- H01L21/76202—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using a local oxidation of silicon, e.g. LOCOS, SWAMI, SILO
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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
- H01L21/70—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
- H01L21/76202—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using a local oxidation of silicon, e.g. LOCOS, SWAMI, SILO
- H01L21/76213—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using a local oxidation of silicon, e.g. LOCOS, SWAMI, SILO introducing electrical inactive or active impurities in the local oxidation region, e.g. to alter LOCOS oxide growth characteristics or for additional isolation purpose
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- Engineering & Computer Science (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)
- Element Separation (AREA)
- Local Oxidation Of Silicon (AREA)
Abstract
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Claims (7)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711204459.3A CN107993974B (zh) | 2017-11-27 | 2017-11-27 | 一种碳化硅的选择性氧化方法 |
PCT/CN2018/115870 WO2019101010A1 (zh) | 2017-11-27 | 2018-11-16 | 一种碳化硅的选择性氧化方法 |
Applications Claiming Priority (1)
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CN201711204459.3A CN107993974B (zh) | 2017-11-27 | 2017-11-27 | 一种碳化硅的选择性氧化方法 |
Publications (2)
Publication Number | Publication Date |
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CN107993974A CN107993974A (zh) | 2018-05-04 |
CN107993974B true CN107993974B (zh) | 2020-05-29 |
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CN201711204459.3A Active CN107993974B (zh) | 2017-11-27 | 2017-11-27 | 一种碳化硅的选择性氧化方法 |
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CN (1) | CN107993974B (zh) |
WO (1) | WO2019101010A1 (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107993974B (zh) * | 2017-11-27 | 2020-05-29 | 北京品捷电子科技有限公司 | 一种碳化硅的选择性氧化方法 |
CN108847384A (zh) * | 2018-06-11 | 2018-11-20 | 重庆伟特森电子科技有限公司 | 一种在碳化硅基片上生长氧化层的方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102420130A (zh) * | 2011-07-01 | 2012-04-18 | 上海华力微电子有限公司 | 通过离子注入工艺来控制氧化膜厚度的方法 |
CN103472533A (zh) * | 2013-09-26 | 2013-12-25 | 山东建筑大学 | 一种离子注入制备掺铒碳化硅光波导的方法 |
CN105810722A (zh) * | 2016-03-16 | 2016-07-27 | 中国科学院半导体研究所 | 一种碳化硅mosfet器件及其制备方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003282845A (ja) * | 2002-03-20 | 2003-10-03 | Mitsubishi Electric Corp | 炭化ケイ素基板の製造方法およびその製造方法により製造された炭化ケイ素基板、ならびに、ショットキーバリアダイオードおよび炭化ケイ素薄膜の製造方法 |
JP3808814B2 (ja) * | 2002-08-26 | 2006-08-16 | 株式会社ルネサステクノロジ | 半導体装置の製造方法 |
CN102169104A (zh) * | 2010-12-22 | 2011-08-31 | 重庆邮电大学 | 基于SiC的MOSFET的汽车发动机用氧传感器 |
CN107993974B (zh) * | 2017-11-27 | 2020-05-29 | 北京品捷电子科技有限公司 | 一种碳化硅的选择性氧化方法 |
-
2017
- 2017-11-27 CN CN201711204459.3A patent/CN107993974B/zh active Active
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2018
- 2018-11-16 WO PCT/CN2018/115870 patent/WO2019101010A1/zh active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102420130A (zh) * | 2011-07-01 | 2012-04-18 | 上海华力微电子有限公司 | 通过离子注入工艺来控制氧化膜厚度的方法 |
CN103472533A (zh) * | 2013-09-26 | 2013-12-25 | 山东建筑大学 | 一种离子注入制备掺铒碳化硅光波导的方法 |
CN105810722A (zh) * | 2016-03-16 | 2016-07-27 | 中国科学院半导体研究所 | 一种碳化硅mosfet器件及其制备方法 |
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Publication number | Publication date |
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WO2019101010A1 (zh) | 2019-05-31 |
CN107993974A (zh) | 2018-05-04 |
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Effective date of registration: 20200529 Address after: 400700 No. 117-237, Yunhan Avenue, Beibei District, Chongqing Co-patentee after: BEIJING PINJIE ELECTRONIC TECHNOLOGY Co.,Ltd. Patentee after: CHONGQING WEITESEN ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: 101302 Zhongguancun Technology Park, Shunyi District, Beijing, Shunyi garden, No. two road 1 Patentee before: BEIJING PINJIE ELECTRONIC TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20221227 Address after: 400700 No. 117-237, Yunhan Avenue, Beibei District, Chongqing Patentee after: CHONGQING WEITESEN ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: 400700 No. 117-237, Yunhan Avenue, Beibei District, Chongqing Patentee before: CHONGQING WEITESEN ELECTRONIC TECHNOLOGY Co.,Ltd. Patentee before: BEIJING PINJIE ELECTRONIC TECHNOLOGY Co.,Ltd. |
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