CN102930981B - 一种电容及其制作方法 - Google Patents
一种电容及其制作方法 Download PDFInfo
- Publication number
- CN102930981B CN102930981B CN201110232289.6A CN201110232289A CN102930981B CN 102930981 B CN102930981 B CN 102930981B CN 201110232289 A CN201110232289 A CN 201110232289A CN 102930981 B CN102930981 B CN 102930981B
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- CN
- China
- Prior art keywords
- layer
- low pressure
- electric capacity
- low
- polysilicon layer
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- 238000002360 preparation method Methods 0.000 title abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 50
- 229910052751 metal Inorganic materials 0.000 claims abstract description 35
- 239000002184 metal Substances 0.000 claims abstract description 35
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 30
- 239000010703 silicon Substances 0.000 claims abstract description 30
- 239000004065 semiconductor Substances 0.000 claims abstract description 29
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000003990 capacitor Substances 0.000 claims abstract description 24
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000004518 low pressure chemical vapour deposition Methods 0.000 claims abstract description 18
- 229920005591 polysilicon Polymers 0.000 claims description 59
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 58
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 24
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 24
- 238000004519 manufacturing process Methods 0.000 claims description 23
- 238000000151 deposition Methods 0.000 claims description 19
- 239000000758 substrate Substances 0.000 claims description 16
- 230000008021 deposition Effects 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 12
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 claims description 8
- 229910021342 tungsten silicide Inorganic materials 0.000 claims description 8
- 238000005530 etching Methods 0.000 claims description 7
- 239000004411 aluminium Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 5
- 229910052721 tungsten Inorganic materials 0.000 claims description 5
- 239000010937 tungsten Substances 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 24
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 12
- 239000007789 gas Substances 0.000 description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 229910003978 SiClx Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000005137 deposition process Methods 0.000 description 3
- 229920002120 photoresistant polymer Polymers 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000006396 nitration reaction Methods 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 238000004151 rapid thermal annealing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 125000003963 dichloro group Chemical group Cl* 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000026267 regulation of growth Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- -1 silicon gallium compound Chemical class 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L28/00—Passive two-terminal components without a potential-jump or surface barrier for integrated circuits; Details thereof; Multistep manufacturing processes therefor
- H01L28/40—Capacitors
- H01L28/60—Electrodes
- H01L28/75—Electrodes comprising two or more layers, e.g. comprising a barrier layer and a metal layer
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
- C23C16/34—Nitrides
- C23C16/345—Silicon nitride
-
- 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
-
- 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
- H01L21/0217—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 nitride not containing oxygen, e.g. SixNy or SixByNz
-
- 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
- H01L21/022—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
-
- 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
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- H01L21/02263—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase
- H01L21/02271—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L28/00—Passive two-terminal components without a potential-jump or surface barrier for integrated circuits; Details thereof; Multistep manufacturing processes therefor
- H01L28/40—Capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Semiconductor Integrated Circuits (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (11)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110232289.6A CN102930981B (zh) | 2011-08-12 | 2011-08-12 | 一种电容及其制作方法 |
PCT/CN2012/079553 WO2013023528A1 (zh) | 2011-08-12 | 2012-08-02 | 一种电容及其制作方法 |
US14/130,439 US9391133B2 (en) | 2011-08-12 | 2012-08-02 | Capacitor and preparation method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110232289.6A CN102930981B (zh) | 2011-08-12 | 2011-08-12 | 一种电容及其制作方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102930981A CN102930981A (zh) | 2013-02-13 |
CN102930981B true CN102930981B (zh) | 2015-08-19 |
Family
ID=47645758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110232289.6A Active CN102930981B (zh) | 2011-08-12 | 2011-08-12 | 一种电容及其制作方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9391133B2 (zh) |
CN (1) | CN102930981B (zh) |
WO (1) | WO2013023528A1 (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103972080A (zh) * | 2014-05-20 | 2014-08-06 | 上海华力微电子有限公司 | Ono结构及ono电容的制作方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101211853A (zh) * | 2006-12-27 | 2008-07-02 | 中芯国际集成电路制造(上海)有限公司 | 制造dram电容器结构的方法及形成的结构 |
US7402514B2 (en) * | 2003-01-24 | 2008-07-22 | Texas Instruments Incorporated | Line-to-line reliability enhancement using a dielectric liner for a low dielectric constant interlevel and intralevel (or intermetal and intrametal) dielectric layer |
CN101330040A (zh) * | 2007-06-18 | 2008-12-24 | 中芯国际集成电路制造(上海)有限公司 | 半导体器件互连层顶层布线层及其形成方法 |
CN101499405A (zh) * | 2008-01-31 | 2009-08-05 | 中芯国际集成电路制造(上海)有限公司 | 一种用于制备单层多晶硅栅非挥发性存储器的方法 |
CN102034686A (zh) * | 2009-09-27 | 2011-04-27 | 无锡华润上华半导体有限公司 | 电容器及其形成方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5789289A (en) * | 1996-06-18 | 1998-08-04 | Vanguard International Semiconductor Corporation | Method for fabricating vertical fin capacitor structures |
US6093585A (en) * | 1998-05-08 | 2000-07-25 | Lsi Logic Corporation | High voltage tolerant thin film transistor |
CN1149658C (zh) * | 2001-04-18 | 2004-05-12 | 上海贝岭股份有限公司 | 双极型集成电路制造工艺 |
US6492224B1 (en) | 2001-07-16 | 2002-12-10 | Taiwan Semiconductor Manufacturing Company | Buried PIP capacitor for mixed-mode process |
US6797557B2 (en) * | 2001-10-11 | 2004-09-28 | Taiwan Semiconductor Manufacturing Co., Ltd. | Methods and systems for forming embedded DRAM for an MIM capacitor |
US7268038B2 (en) * | 2004-11-23 | 2007-09-11 | Newport Fab, Llc | Method for fabricating a MIM capacitor having increased capacitance density and related structure |
-
2011
- 2011-08-12 CN CN201110232289.6A patent/CN102930981B/zh active Active
-
2012
- 2012-08-02 WO PCT/CN2012/079553 patent/WO2013023528A1/zh active Application Filing
- 2012-08-02 US US14/130,439 patent/US9391133B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7402514B2 (en) * | 2003-01-24 | 2008-07-22 | Texas Instruments Incorporated | Line-to-line reliability enhancement using a dielectric liner for a low dielectric constant interlevel and intralevel (or intermetal and intrametal) dielectric layer |
CN101211853A (zh) * | 2006-12-27 | 2008-07-02 | 中芯国际集成电路制造(上海)有限公司 | 制造dram电容器结构的方法及形成的结构 |
CN101330040A (zh) * | 2007-06-18 | 2008-12-24 | 中芯国际集成电路制造(上海)有限公司 | 半导体器件互连层顶层布线层及其形成方法 |
CN101499405A (zh) * | 2008-01-31 | 2009-08-05 | 中芯国际集成电路制造(上海)有限公司 | 一种用于制备单层多晶硅栅非挥发性存储器的方法 |
CN102034686A (zh) * | 2009-09-27 | 2011-04-27 | 无锡华润上华半导体有限公司 | 电容器及其形成方法 |
Also Published As
Publication number | Publication date |
---|---|
US20140231893A1 (en) | 2014-08-21 |
WO2013023528A1 (zh) | 2013-02-21 |
CN102930981A (zh) | 2013-02-13 |
US9391133B2 (en) | 2016-07-12 |
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Effective date of registration: 20171207 Address after: 214028 Wuxi provincial high tech Industrial Development Zone, Hanjiang Road, No. 5, Jiangsu, China Patentee after: CSMC TECHNOLOGIES FAB2 Co.,Ltd. Address before: 214028 Wuxi provincial high tech Industrial Development Zone, Hanjiang Road, No. 5, Jiangsu, China Patentee before: CSMC TECHNOLOGIES FAB1 Co.,Ltd. |
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Denomination of invention: A capacitor and its production method Effective date of registration: 20231007 Granted publication date: 20150819 Pledgee: Bank of China Limited Wuxi Branch Pledgor: CSMC TECHNOLOGIES FAB2 Co.,Ltd. Registration number: Y2023980059915 |
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