CN104659114A - Mos电容以及其制造方法 - Google Patents
Mos电容以及其制造方法 Download PDFInfo
- Publication number
- CN104659114A CN104659114A CN201510043980.8A CN201510043980A CN104659114A CN 104659114 A CN104659114 A CN 104659114A CN 201510043980 A CN201510043980 A CN 201510043980A CN 104659114 A CN104659114 A CN 104659114A
- Authority
- CN
- China
- Prior art keywords
- layer
- sic epitaxial
- sic
- epitaxial layer
- substrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 239000003990 capacitor Substances 0.000 title abstract 3
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 59
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 58
- 239000010703 silicon Substances 0.000 claims abstract description 57
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 46
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 46
- 239000001301 oxygen Substances 0.000 claims abstract description 46
- 239000000758 substrate Substances 0.000 claims abstract description 34
- 238000000034 method Methods 0.000 claims abstract description 29
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 28
- 238000005229 chemical vapour deposition Methods 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- 238000002955 isolation Methods 0.000 abstract 2
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 11
- 150000001721 carbon Chemical class 0.000 description 9
- 230000007547 defect Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 239000013078 crystal Substances 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 4
- 125000004433 nitrogen atom Chemical group N* 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 239000002800 charge carrier Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- -1 SiC metal oxide Chemical class 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 150000003376 silicon Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
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
- H01L29/86—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
- H01L29/92—Capacitors having potential barriers
- H01L29/94—Metal-insulator-semiconductors, e.g. MOS
-
- 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
- H01L29/66181—Conductor-insulator-semiconductor capacitors, e.g. trench capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Semiconductor Integrated Circuits (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510043980.8A CN104659114B (zh) | 2015-01-28 | 2015-01-28 | Mos电容以及其制造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510043980.8A CN104659114B (zh) | 2015-01-28 | 2015-01-28 | Mos电容以及其制造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104659114A true CN104659114A (zh) | 2015-05-27 |
CN104659114B CN104659114B (zh) | 2018-04-27 |
Family
ID=53250028
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510043980.8A Active CN104659114B (zh) | 2015-01-28 | 2015-01-28 | Mos电容以及其制造方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104659114B (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105244264A (zh) * | 2015-10-28 | 2016-01-13 | 株洲南车时代电气股份有限公司 | 一种复合栅结构电容及其制造方法 |
CN107863392A (zh) * | 2016-09-22 | 2018-03-30 | 中兴通讯股份有限公司 | 一种SiC MOS电容及其制造方法 |
CN111403280A (zh) * | 2020-03-31 | 2020-07-10 | 中国科学院微电子研究所 | 一种碳化硅mos电容器件及其制作方法 |
CN111415866A (zh) * | 2020-03-31 | 2020-07-14 | 中国科学院微电子研究所 | 一种碳化硅mos电容器件及其制作方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07240409A (ja) * | 1994-02-28 | 1995-09-12 | Fuji Electric Co Ltd | 炭化珪素半導体素子の製造方法 |
CN1479377A (zh) * | 2002-08-28 | 2004-03-03 | ����ʿ�뵼������˾ | 半导体装置的电容器及其制备方法 |
CN102629559A (zh) * | 2012-04-20 | 2012-08-08 | 西安电子科技大学 | 叠栅SiC-MIS电容的制作方法 |
US20140167073A1 (en) * | 2012-12-18 | 2014-06-19 | Global Power Device Company | Silicon carbide semiconductor devices having nitrogen-doped interface |
-
2015
- 2015-01-28 CN CN201510043980.8A patent/CN104659114B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07240409A (ja) * | 1994-02-28 | 1995-09-12 | Fuji Electric Co Ltd | 炭化珪素半導体素子の製造方法 |
CN1479377A (zh) * | 2002-08-28 | 2004-03-03 | ����ʿ�뵼������˾ | 半导体装置的电容器及其制备方法 |
CN102629559A (zh) * | 2012-04-20 | 2012-08-08 | 西安电子科技大学 | 叠栅SiC-MIS电容的制作方法 |
US20140167073A1 (en) * | 2012-12-18 | 2014-06-19 | Global Power Device Company | Silicon carbide semiconductor devices having nitrogen-doped interface |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105244264A (zh) * | 2015-10-28 | 2016-01-13 | 株洲南车时代电气股份有限公司 | 一种复合栅结构电容及其制造方法 |
CN107863392A (zh) * | 2016-09-22 | 2018-03-30 | 中兴通讯股份有限公司 | 一种SiC MOS电容及其制造方法 |
CN111403280A (zh) * | 2020-03-31 | 2020-07-10 | 中国科学院微电子研究所 | 一种碳化硅mos电容器件及其制作方法 |
CN111415866A (zh) * | 2020-03-31 | 2020-07-14 | 中国科学院微电子研究所 | 一种碳化硅mos电容器件及其制作方法 |
Also Published As
Publication number | Publication date |
---|---|
CN104659114B (zh) | 2018-04-27 |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
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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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200930 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. |