CN115295407A - 一种SiC功率器件的栅氧结构制备方法和栅氧结构 - Google Patents
一种SiC功率器件的栅氧结构制备方法和栅氧结构 Download PDFInfo
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- CN115295407A CN115295407A CN202211196346.4A CN202211196346A CN115295407A CN 115295407 A CN115295407 A CN 115295407A CN 202211196346 A CN202211196346 A CN 202211196346A CN 115295407 A CN115295407 A CN 115295407A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000010409 thin film Substances 0.000 claims abstract description 95
- 229910004298 SiO 2 Inorganic materials 0.000 claims abstract description 69
- 239000007789 gas Substances 0.000 claims abstract description 69
- 239000000758 substrate Substances 0.000 claims abstract description 41
- 238000000137 annealing Methods 0.000 claims abstract description 40
- 239000010408 film Substances 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 27
- 230000001590 oxidative effect Effects 0.000 claims abstract description 27
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims abstract description 13
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 10
- 238000007254 oxidation reaction Methods 0.000 claims description 33
- 230000003647 oxidation Effects 0.000 claims description 32
- 239000011261 inert gas Substances 0.000 claims description 18
- 229910052760 oxygen Inorganic materials 0.000 claims description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 10
- 239000001301 oxygen Substances 0.000 claims description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- 238000000280 densification Methods 0.000 claims description 7
- 125000004433 nitrogen atom Chemical group N* 0.000 abstract description 15
- 230000002829 reductive effect Effects 0.000 abstract description 13
- 230000009471 action Effects 0.000 abstract description 5
- 125000004432 carbon atom Chemical group C* 0.000 abstract description 3
- 239000004065 semiconductor Substances 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 2
- 238000002161 passivation Methods 0.000 description 20
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 18
- 230000007547 defect Effects 0.000 description 13
- 238000004140 cleaning Methods 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 11
- 229910052786 argon Inorganic materials 0.000 description 9
- 239000013078 crystal Substances 0.000 description 7
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- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 238000001755 magnetron sputter deposition Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 229910007991 Si-N Inorganic materials 0.000 description 2
- 229910008045 Si-Si Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910006294 Si—N Inorganic materials 0.000 description 2
- 229910006411 Si—Si Inorganic materials 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001721 carbon Chemical class 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 238000005036 potential barrier Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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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
- H01L21/048—Making electrodes
- H01L21/049—Conductor-insulator-semiconductor electrodes, e.g. MIS contacts
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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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/02164—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material being a silicon oxide, e.g. SiO2
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- 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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/022—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being a laminate, i.e. composed of sublayers, e.g. stacks of alternating high-k metal oxides
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- 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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/02227—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process
- H01L21/0223—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process formation by oxidation, e.g. oxidation of the substrate
- H01L21/02233—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process formation by oxidation, e.g. oxidation of the substrate of the semiconductor substrate or a semiconductor layer
- H01L21/02236—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process formation by oxidation, e.g. oxidation of the substrate of the semiconductor substrate or a semiconductor layer group IV semiconductor
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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02296—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer
- H01L21/02318—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment
- H01L21/02356—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment treatment to change the morphology of the insulating layer, e.g. transformation of an amorphous layer into a crystalline layer
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- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42356—Disposition, e.g. buried gate electrode
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- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42364—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the insulating layer, e.g. thickness or uniformity
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- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Ceramic Engineering (AREA)
- Formation Of Insulating Films (AREA)
Abstract
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CN202211196346.4A CN115295407B (zh) | 2022-09-29 | 2022-09-29 | 一种SiC功率器件的栅氧结构制备方法和栅氧结构 |
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CN202211196346.4A CN115295407B (zh) | 2022-09-29 | 2022-09-29 | 一种SiC功率器件的栅氧结构制备方法和栅氧结构 |
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CN115295407A true CN115295407A (zh) | 2022-11-04 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116153789A (zh) * | 2023-01-17 | 2023-05-23 | 浙江大学 | 一种改善4H-SiC MOSFET沟道载流子迁移率及栅极漏电的工艺方法 |
Citations (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5972801A (en) * | 1995-11-08 | 1999-10-26 | Cree Research, Inc. | Process for reducing defects in oxide layers on silicon carbide |
US20020072247A1 (en) * | 2000-10-03 | 2002-06-13 | Lipkin Lori A. | Method of N2O growth of an oxide layer on a silicon carbide layer |
CN1531746A (zh) * | 2001-04-12 | 2004-09-22 | ���﹫˾ | 利用在氢气环境中退火在碳化硅层上制备氧化物层的方法 |
JP2005116896A (ja) * | 2003-10-09 | 2005-04-28 | Matsushita Electric Ind Co Ltd | 半導体装置およびその製造方法 |
CN1679149A (zh) * | 2002-08-30 | 2005-10-05 | 克里公司 | SiO2/SiC 结构中界面态的氮钝化 |
US20070096107A1 (en) * | 2005-11-03 | 2007-05-03 | Brown Dale M | Semiconductor devices with dielectric layers and methods of fabricating same |
US20090227100A1 (en) * | 2008-03-05 | 2009-09-10 | Oki Semiconductor Co., Ltd. | Method for fabricating semiconductor device |
CN102934210A (zh) * | 2010-06-16 | 2013-02-13 | 住友电气工业株式会社 | 用于制造碳化硅半导体器件的方法 |
JP2013149842A (ja) * | 2012-01-20 | 2013-08-01 | Mitsubishi Electric Corp | 炭化珪素半導体装置の製造方法 |
JP2014225692A (ja) * | 2008-12-25 | 2014-12-04 | ローム株式会社 | 半導体装置および半導体装置の製造方法 |
WO2015015629A1 (ja) * | 2013-08-02 | 2015-02-05 | 株式会社日立製作所 | 炭化珪素半導体装置および炭化珪素半導体装置の製造方法 |
CN104637801A (zh) * | 2015-01-30 | 2015-05-20 | 株洲南车时代电气股份有限公司 | 一种制备SiC MOSFET栅氧化层的方法 |
JP2017055098A (ja) * | 2015-09-07 | 2017-03-16 | 国立大学法人大阪大学 | 半導体装置の製造方法及びこれに用いる半導体製造装置 |
US20180090320A1 (en) * | 2016-09-29 | 2018-03-29 | Fuji Electric Co., Ltd. | Silicon carbide semiconductor device and method of manufacturing silicon carbide semiconductor device |
CN109411343A (zh) * | 2018-10-31 | 2019-03-01 | 秦皇岛京河科学技术研究院有限公司 | 一种SiC MOSFET栅氧化层退火方法 |
CN113113288A (zh) * | 2021-03-31 | 2021-07-13 | 大连理工大学 | 一种新型的含氯元素的碳化硅氧化工艺 |
CN113410132A (zh) * | 2020-03-16 | 2021-09-17 | 全球能源互联网研究院有限公司 | 一种碳化硅moseft栅氧结构及其制备方法 |
CN114300533A (zh) * | 2021-12-27 | 2022-04-08 | 浙江大学杭州国际科创中心 | 一种栅氧结构和制备方法 |
-
2022
- 2022-09-29 CN CN202211196346.4A patent/CN115295407B/zh active Active
Patent Citations (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5972801A (en) * | 1995-11-08 | 1999-10-26 | Cree Research, Inc. | Process for reducing defects in oxide layers on silicon carbide |
US20020072247A1 (en) * | 2000-10-03 | 2002-06-13 | Lipkin Lori A. | Method of N2O growth of an oxide layer on a silicon carbide layer |
CN1531746A (zh) * | 2001-04-12 | 2004-09-22 | ���﹫˾ | 利用在氢气环境中退火在碳化硅层上制备氧化物层的方法 |
CN1679149A (zh) * | 2002-08-30 | 2005-10-05 | 克里公司 | SiO2/SiC 结构中界面态的氮钝化 |
JP2005116896A (ja) * | 2003-10-09 | 2005-04-28 | Matsushita Electric Ind Co Ltd | 半導体装置およびその製造方法 |
US20070096107A1 (en) * | 2005-11-03 | 2007-05-03 | Brown Dale M | Semiconductor devices with dielectric layers and methods of fabricating same |
US20090227100A1 (en) * | 2008-03-05 | 2009-09-10 | Oki Semiconductor Co., Ltd. | Method for fabricating semiconductor device |
JP2014225692A (ja) * | 2008-12-25 | 2014-12-04 | ローム株式会社 | 半導体装置および半導体装置の製造方法 |
CN102934210A (zh) * | 2010-06-16 | 2013-02-13 | 住友电气工业株式会社 | 用于制造碳化硅半导体器件的方法 |
JP2013149842A (ja) * | 2012-01-20 | 2013-08-01 | Mitsubishi Electric Corp | 炭化珪素半導体装置の製造方法 |
WO2015015629A1 (ja) * | 2013-08-02 | 2015-02-05 | 株式会社日立製作所 | 炭化珪素半導体装置および炭化珪素半導体装置の製造方法 |
CN104637801A (zh) * | 2015-01-30 | 2015-05-20 | 株洲南车时代电气股份有限公司 | 一种制备SiC MOSFET栅氧化层的方法 |
JP2017055098A (ja) * | 2015-09-07 | 2017-03-16 | 国立大学法人大阪大学 | 半導体装置の製造方法及びこれに用いる半導体製造装置 |
US20180090320A1 (en) * | 2016-09-29 | 2018-03-29 | Fuji Electric Co., Ltd. | Silicon carbide semiconductor device and method of manufacturing silicon carbide semiconductor device |
CN109411343A (zh) * | 2018-10-31 | 2019-03-01 | 秦皇岛京河科学技术研究院有限公司 | 一种SiC MOSFET栅氧化层退火方法 |
CN113410132A (zh) * | 2020-03-16 | 2021-09-17 | 全球能源互联网研究院有限公司 | 一种碳化硅moseft栅氧结构及其制备方法 |
CN113113288A (zh) * | 2021-03-31 | 2021-07-13 | 大连理工大学 | 一种新型的含氯元素的碳化硅氧化工艺 |
CN114300533A (zh) * | 2021-12-27 | 2022-04-08 | 浙江大学杭州国际科创中心 | 一种栅氧结构和制备方法 |
Non-Patent Citations (2)
Title |
---|
P.T.LAI等: "《Effects of nitridation and annealing on interface properties of thermally oxidized SiO2/SiC metal-oxide-semiconductor system》", 《APPLIED PHYSICS LETTERS》 * |
WON-JU CHO等: "《Study on electron trapping and interface states of various gate dielectric materials in 4H–SiC metal-oxide-semiconductor capacitors》", 《APPLIED PHYSICS LETTERS》 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116153789A (zh) * | 2023-01-17 | 2023-05-23 | 浙江大学 | 一种改善4H-SiC MOSFET沟道载流子迁移率及栅极漏电的工艺方法 |
CN116153789B (zh) * | 2023-01-17 | 2023-08-29 | 浙江大学 | 一种改善4H-SiC MOSFET沟道载流子迁移率及栅极漏电的工艺方法 |
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