CN113571575A - 碳化硅功率半导体器件和场效应晶体管 - Google Patents
碳化硅功率半导体器件和场效应晶体管 Download PDFInfo
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- CN113571575A CN113571575A CN202110644991.7A CN202110644991A CN113571575A CN 113571575 A CN113571575 A CN 113571575A CN 202110644991 A CN202110644991 A CN 202110644991A CN 113571575 A CN113571575 A CN 113571575A
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- semiconductor device
- silicon carbide
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 57
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 229910010271 silicon carbide Inorganic materials 0.000 title claims abstract description 40
- 230000005669 field effect Effects 0.000 title claims abstract description 13
- 239000000758 substrate Substances 0.000 claims abstract description 59
- 210000000746 body region Anatomy 0.000 claims description 26
- 230000007480 spreading Effects 0.000 claims description 15
- 238000003892 spreading Methods 0.000 claims description 15
- 229910044991 metal oxide Inorganic materials 0.000 description 6
- 150000004706 metal oxides Chemical class 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 5
- 230000005684 electric field Effects 0.000 description 4
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 238000002513 implantation Methods 0.000 description 3
- 238000005468 ion implantation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000000407 epitaxy Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/63—Vertical IGFETs
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D12/00—Bipolar devices controlled by the field effect, e.g. insulated-gate bipolar transistors [IGBT]
- H10D12/411—Insulated-gate bipolar transistors [IGBT]
- H10D12/441—Vertical IGBTs
- H10D12/461—Vertical IGBTs having non-planar surfaces, e.g. having trenches, recesses or pillars in the surfaces of the emitter, base or collector regions
- H10D12/481—Vertical IGBTs having non-planar surfaces, e.g. having trenches, recesses or pillars in the surfaces of the emitter, base or collector regions having gate structures on slanted surfaces, on vertical surfaces, or in grooves, e.g. trench gate IGBTs
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D12/00—Bipolar devices controlled by the field effect, e.g. insulated-gate bipolar transistors [IGBT]
- H10D12/411—Insulated-gate bipolar transistors [IGBT]
- H10D12/441—Vertical IGBTs
- H10D12/491—Vertical IGBTs having both emitter contacts and collector contacts in the same substrate side
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/102—Constructional design considerations for preventing surface leakage or controlling electric field concentration
- H10D62/103—Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/20—Electrodes characterised by their shapes, relative sizes or dispositions
- H10D64/27—Electrodes not carrying the current to be rectified, amplified, oscillated or switched, e.g. gates
- H10D64/311—Gate electrodes for field-effect devices
- H10D64/411—Gate electrodes for field-effect devices for FETs
- H10D64/511—Gate electrodes for field-effect devices for FETs for IGFETs
- H10D64/512—Disposition of the gate electrodes, e.g. buried gates
- H10D64/513—Disposition of the gate electrodes, e.g. buried gates within recesses in the substrate, e.g. trench gates, groove gates or buried gates
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/20—Electrodes characterised by their shapes, relative sizes or dispositions
- H10D64/27—Electrodes not carrying the current to be rectified, amplified, oscillated or switched, e.g. gates
- H10D64/311—Gate electrodes for field-effect devices
- H10D64/411—Gate electrodes for field-effect devices for FETs
- H10D64/511—Gate electrodes for field-effect devices for FETs for IGFETs
- H10D64/514—Gate electrodes for field-effect devices for FETs for IGFETs characterised by the insulating layers
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- Electrodes Of Semiconductors (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202110644991.7A CN113571575B (zh) | 2021-06-09 | 2021-06-09 | 碳化硅功率半导体器件和场效应晶体管 |
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CN202110644991.7A CN113571575B (zh) | 2021-06-09 | 2021-06-09 | 碳化硅功率半导体器件和场效应晶体管 |
Publications (2)
Publication Number | Publication Date |
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CN113571575A true CN113571575A (zh) | 2021-10-29 |
CN113571575B CN113571575B (zh) | 2023-01-10 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023178866A1 (zh) * | 2022-03-21 | 2023-09-28 | 苏州东微半导体股份有限公司 | 碳化硅器件及其制造方法 |
Citations (10)
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---|---|---|---|---|
US6566708B1 (en) * | 2000-11-17 | 2003-05-20 | Koninklijke Philips Electronics N.V. | Trench-gate field-effect transistors with low gate-drain capacitance and their manufacture |
CN101145576A (zh) * | 2006-09-12 | 2008-03-19 | 东部高科股份有限公司 | 沟槽型mos晶体管及其制造方法 |
US20160190264A1 (en) * | 2014-12-31 | 2016-06-30 | Super Group Semiconductor Co., Ltd. | Trench power mosfet and manufacturing method thereof |
CN106449744A (zh) * | 2016-12-02 | 2017-02-22 | 株洲中车时代电气股份有限公司 | 一种新型具有栅极内嵌二极管的沟槽栅igbt及其制备方法 |
CN106783611A (zh) * | 2017-03-21 | 2017-05-31 | 株洲中车时代电气股份有限公司 | 一种具有栅极内嵌二极管的沟槽栅igbt及其制备方法 |
CN107658340A (zh) * | 2017-09-02 | 2018-02-02 | 西安交通大学 | 一种双沟槽的低导通电阻、小栅电荷的碳化硅mosfet器件与制备方法 |
CN108365007A (zh) * | 2018-04-23 | 2018-08-03 | 广东美的制冷设备有限公司 | 绝缘栅双极型晶体管 |
CN110036461A (zh) * | 2016-12-08 | 2019-07-19 | 克里公司 | 具有带有注入侧壁的栅极沟槽的功率半导体器件及相关方法 |
CN110429134A (zh) * | 2019-08-02 | 2019-11-08 | 扬州国扬电子有限公司 | 一种具有非对称原胞的igbt器件及制备方法 |
CN112802903A (zh) * | 2021-04-15 | 2021-05-14 | 成都蓉矽半导体有限公司 | 一种改进栅结构的槽栅vdmos器件 |
-
2021
- 2021-06-09 CN CN202110644991.7A patent/CN113571575B/zh active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6566708B1 (en) * | 2000-11-17 | 2003-05-20 | Koninklijke Philips Electronics N.V. | Trench-gate field-effect transistors with low gate-drain capacitance and their manufacture |
CN101145576A (zh) * | 2006-09-12 | 2008-03-19 | 东部高科股份有限公司 | 沟槽型mos晶体管及其制造方法 |
US20160190264A1 (en) * | 2014-12-31 | 2016-06-30 | Super Group Semiconductor Co., Ltd. | Trench power mosfet and manufacturing method thereof |
CN106449744A (zh) * | 2016-12-02 | 2017-02-22 | 株洲中车时代电气股份有限公司 | 一种新型具有栅极内嵌二极管的沟槽栅igbt及其制备方法 |
CN110036461A (zh) * | 2016-12-08 | 2019-07-19 | 克里公司 | 具有带有注入侧壁的栅极沟槽的功率半导体器件及相关方法 |
CN106783611A (zh) * | 2017-03-21 | 2017-05-31 | 株洲中车时代电气股份有限公司 | 一种具有栅极内嵌二极管的沟槽栅igbt及其制备方法 |
CN107658340A (zh) * | 2017-09-02 | 2018-02-02 | 西安交通大学 | 一种双沟槽的低导通电阻、小栅电荷的碳化硅mosfet器件与制备方法 |
CN108365007A (zh) * | 2018-04-23 | 2018-08-03 | 广东美的制冷设备有限公司 | 绝缘栅双极型晶体管 |
CN110429134A (zh) * | 2019-08-02 | 2019-11-08 | 扬州国扬电子有限公司 | 一种具有非对称原胞的igbt器件及制备方法 |
CN112802903A (zh) * | 2021-04-15 | 2021-05-14 | 成都蓉矽半导体有限公司 | 一种改进栅结构的槽栅vdmos器件 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023178866A1 (zh) * | 2022-03-21 | 2023-09-28 | 苏州东微半导体股份有限公司 | 碳化硅器件及其制造方法 |
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Effective date of registration: 20220322 Address after: Building A1, innovation city, Songshanhu University, Dongguan, Guangdong 523000 Applicant after: Material Laboratory of Songshan Lake Applicant after: DONGGUAN University OF TECHNOLOGY Address before: Building A1, innovation city, Songshanhu University, Dongguan, Guangdong 523000 Applicant before: Material Laboratory of Songshan Lake |
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Effective date of registration: 20231116 Address after: 523808 room 522, building 11, No. 1, Xuefu Road, Songshanhu Park, Dongguan City, Guangdong Province Patentee after: Dongguan Qingxin Semiconductor Technology Co.,Ltd. Address before: Building A1, innovation city, Songshanhu University, Dongguan, Guangdong 523000 Patentee before: Material Laboratory of Songshan Lake Patentee before: DONGGUAN University OF TECHNOLOGY |
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