CN113707548A - 栅氧化层及其制备方法和半导体器件 - Google Patents
栅氧化层及其制备方法和半导体器件 Download PDFInfo
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- CN113707548A CN113707548A CN202110774786.2A CN202110774786A CN113707548A CN 113707548 A CN113707548 A CN 113707548A CN 202110774786 A CN202110774786 A CN 202110774786A CN 113707548 A CN113707548 A CN 113707548A
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- China
- Prior art keywords
- gate oxide
- oxide layer
- semiconductor substrate
- shallow trench
- trench isolation
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 47
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000000758 substrate Substances 0.000 claims abstract description 55
- 238000000034 method Methods 0.000 claims abstract description 48
- 238000002955 isolation Methods 0.000 claims abstract description 42
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 27
- 239000001257 hydrogen Substances 0.000 claims abstract description 27
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000000137 annealing Methods 0.000 claims abstract description 25
- 230000003647 oxidation Effects 0.000 claims abstract description 16
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 16
- 239000002253 acid Substances 0.000 claims abstract description 10
- 238000005406 washing Methods 0.000 claims abstract description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 31
- 229910052710 silicon Inorganic materials 0.000 claims description 30
- 239000010703 silicon Substances 0.000 claims description 30
- 230000035484 reaction time Effects 0.000 claims description 12
- 238000011065 in-situ storage Methods 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 10
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000001272 nitrous oxide Substances 0.000 claims description 3
- 239000012495 reaction gas Substances 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 5
- 238000007796 conventional method Methods 0.000 description 5
- 238000005530 etching Methods 0.000 description 5
- 229910052814 silicon oxide Inorganic materials 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 235000012239 silicon dioxide Nutrition 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- 125000004429 atom Chemical group 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 229910002808 Si–O–Si Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910006283 Si—O—H Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 125000001967 indiganyl group Chemical group [H][In]([H])[*] 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- 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
- H01L21/18—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 elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/28008—Making conductor-insulator-semiconductor electrodes
- H01L21/28017—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon
- H01L21/28158—Making the insulator
- H01L21/28167—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation
- H01L21/28211—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation in a gaseous ambient using an oxygen or a water vapour, e.g. RTO, possibly through a layer
-
- 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
- H01L21/18—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 elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/324—Thermal treatment for modifying the properties of semiconductor bodies, e.g. annealing, sintering
- H01L21/3247—Thermal treatment for modifying the properties of semiconductor bodies, e.g. annealing, sintering for altering the shape, e.g. smoothing the surface
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Element Separation (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110774786.2A CN113707548A (zh) | 2021-07-08 | 2021-07-08 | 栅氧化层及其制备方法和半导体器件 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202110774786.2A CN113707548A (zh) | 2021-07-08 | 2021-07-08 | 栅氧化层及其制备方法和半导体器件 |
Publications (1)
Publication Number | Publication Date |
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CN113707548A true CN113707548A (zh) | 2021-11-26 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202110774786.2A Pending CN113707548A (zh) | 2021-07-08 | 2021-07-08 | 栅氧化层及其制备方法和半导体器件 |
Country Status (1)
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CN (1) | CN113707548A (zh) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6204205B1 (en) * | 1999-07-06 | 2001-03-20 | Taiwan Semiconductor Manufacturing Company | Using H2anneal to improve the electrical characteristics of gate oxide |
US20020106892A1 (en) * | 2001-02-06 | 2002-08-08 | Takumi Shibata | Method for manufacturing semiconductor device |
US6511888B1 (en) * | 1999-11-12 | 2003-01-28 | Samsung Electronics Co., Ltd. | Method of fabricating a semiconductor device using trench isolation method including hydrogen annealing step |
KR20070066166A (ko) * | 2005-12-21 | 2007-06-27 | 매그나칩 반도체 유한회사 | 반도체 소자의 소자분리막 형성방법 |
US20080272366A1 (en) * | 2007-05-03 | 2008-11-06 | Moon Chang-Wook | Field effect transistor having germanium nanorod and method of manufacturing the same |
CN103531522A (zh) * | 2013-10-30 | 2014-01-22 | 上海华力微电子有限公司 | 浅沟槽隔离结构制备方法 |
CN106952810A (zh) * | 2016-01-06 | 2017-07-14 | 中芯国际集成电路制造(上海)有限公司 | 半导体结构的制造方法 |
-
2021
- 2021-07-08 CN CN202110774786.2A patent/CN113707548A/zh active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6204205B1 (en) * | 1999-07-06 | 2001-03-20 | Taiwan Semiconductor Manufacturing Company | Using H2anneal to improve the electrical characteristics of gate oxide |
US6511888B1 (en) * | 1999-11-12 | 2003-01-28 | Samsung Electronics Co., Ltd. | Method of fabricating a semiconductor device using trench isolation method including hydrogen annealing step |
US20020106892A1 (en) * | 2001-02-06 | 2002-08-08 | Takumi Shibata | Method for manufacturing semiconductor device |
KR20070066166A (ko) * | 2005-12-21 | 2007-06-27 | 매그나칩 반도체 유한회사 | 반도체 소자의 소자분리막 형성방법 |
US20080272366A1 (en) * | 2007-05-03 | 2008-11-06 | Moon Chang-Wook | Field effect transistor having germanium nanorod and method of manufacturing the same |
CN103531522A (zh) * | 2013-10-30 | 2014-01-22 | 上海华力微电子有限公司 | 浅沟槽隔离结构制备方法 |
CN106952810A (zh) * | 2016-01-06 | 2017-07-14 | 中芯国际集成电路制造(上海)有限公司 | 半导体结构的制造方法 |
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Effective date of registration: 20220909 Address after: 510000 building a, 136 Kaiyuan Avenue, Guangzhou Development Zone, Guangzhou City, Guangdong Province Applicant after: Guangdong Dawan District integrated circuit and System Application Research Institute Applicant after: Ruili flat core Microelectronics (Guangzhou) Co.,Ltd. Address before: 510000 building a, 136 Kaiyuan Avenue, Guangzhou Development Zone, Guangzhou City, Guangdong Province Applicant before: Guangdong Dawan District integrated circuit and System Application Research Institute Applicant before: AoXin integrated circuit technology (Guangdong) Co.,Ltd. |