CN1420528A - 一种高介电栅介质Al2O3/BaO/Al2O3结构及其制备方法 - Google Patents
一种高介电栅介质Al2O3/BaO/Al2O3结构及其制备方法 Download PDFInfo
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- CN1420528A CN1420528A CN 02137199 CN02137199A CN1420528A CN 1420528 A CN1420528 A CN 1420528A CN 02137199 CN02137199 CN 02137199 CN 02137199 A CN02137199 A CN 02137199A CN 1420528 A CN1420528 A CN 1420528A
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- Prior art keywords
- high dielectric
- bao
- grid
- gate
- al2o3
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- 238000000034 method Methods 0.000 title claims description 14
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title abstract 4
- 229910052593 corundum Inorganic materials 0.000 title abstract 4
- 229910001845 yogo sapphire Inorganic materials 0.000 title abstract 4
- 229910052751 metal Inorganic materials 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 16
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 22
- 229910052710 silicon Inorganic materials 0.000 claims description 22
- 239000010703 silicon Substances 0.000 claims description 22
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 10
- 238000005229 chemical vapour deposition Methods 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 238000000151 deposition Methods 0.000 claims description 4
- 238000004845 hydriding Methods 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 2
- 230000005661 hydrophobic surface Effects 0.000 claims description 2
- 230000001590 oxidative effect Effects 0.000 claims description 2
- 229920006395 saturated elastomer Polymers 0.000 claims description 2
- 238000003980 solgel method Methods 0.000 claims description 2
- 229910021420 polycrystalline silicon Inorganic materials 0.000 abstract description 8
- 229920005591 polysilicon Polymers 0.000 abstract description 8
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052796 boron Inorganic materials 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 4
- 229910052681 coesite Inorganic materials 0.000 abstract 2
- 229910052906 cristobalite Inorganic materials 0.000 abstract 2
- 239000000377 silicon dioxide Substances 0.000 abstract 2
- 235000012239 silicon dioxide Nutrition 0.000 abstract 2
- 229910052682 stishovite Inorganic materials 0.000 abstract 2
- 229910052905 tridymite Inorganic materials 0.000 abstract 2
- 239000003989 dielectric material Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 238000000277 atomic layer chemical vapour deposition Methods 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 239000000758 substrate Substances 0.000 description 4
- 238000000137 annealing Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 150000004767 nitrides Chemical class 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 238000005036 potential barrier Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 229910021332 silicide Inorganic materials 0.000 description 2
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 229910010380 TiNi Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002800 charge carrier Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000005527 interface trap Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 235000013842 nitrous oxide Nutrition 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004151 rapid thermal annealing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
Landscapes
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB021371997A CN100428417C (zh) | 2002-09-27 | 2002-09-27 | 一种高介电栅介质Al2O3/BaO/Al2O3结构及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB021371997A CN100428417C (zh) | 2002-09-27 | 2002-09-27 | 一种高介电栅介质Al2O3/BaO/Al2O3结构及其制备方法 |
Publications (2)
Publication Number | Publication Date |
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CN1420528A true CN1420528A (zh) | 2003-05-28 |
CN100428417C CN100428417C (zh) | 2008-10-22 |
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CNB021371997A Expired - Fee Related CN100428417C (zh) | 2002-09-27 | 2002-09-27 | 一种高介电栅介质Al2O3/BaO/Al2O3结构及其制备方法 |
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CN (1) | CN100428417C (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101752237B (zh) * | 2008-12-16 | 2012-08-08 | 国际商业机器公司 | 在半导体器件中形成高k栅极叠层的方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2674496B2 (ja) * | 1993-12-28 | 1997-11-12 | 日本電気株式会社 | 透明絶縁性基板および薄膜トランジスタ |
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2002
- 2002-09-27 CN CNB021371997A patent/CN100428417C/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101752237B (zh) * | 2008-12-16 | 2012-08-08 | 国际商业机器公司 | 在半导体器件中形成高k栅极叠层的方法 |
US8273618B2 (en) | 2008-12-16 | 2012-09-25 | International Business Machines Corporation | Formation of high-K gate stacks in semiconductor devices |
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Publication number | Publication date |
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CN100428417C (zh) | 2008-10-22 |
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Owner name: SHANGHAI HUAHONG (GROUP) CO., LTD.; APPLICANT Free format text: FORMER OWNER: SHANGHAI HUAHONG (GROUP) CO., LTD. Effective date: 20061020 |
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C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20061020 Address after: 201203 No. 177 blue wave road, Zhangjiang hi tech park, Shanghai, Pudong New Area Applicant after: Shanghai Huahong (Group) Co., Ltd. Co-applicant after: Shanghai integrated circuit research and Development Center Co., Ltd. Address before: 18, Huaihai Road, Shanghai, No. 200020, building 918 Applicant before: Shanghai Huahong (Group) Co., Ltd. |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081022 Termination date: 20140927 |
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EXPY | Termination of patent right or utility model |