CN101399209A - 非挥发存储器的制备方法 - Google Patents
非挥发存储器的制备方法 Download PDFInfo
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- CN101399209A CN101399209A CNA2008102233458A CN200810223345A CN101399209A CN 101399209 A CN101399209 A CN 101399209A CN A2008102233458 A CNA2008102233458 A CN A2008102233458A CN 200810223345 A CN200810223345 A CN 200810223345A CN 101399209 A CN101399209 A CN 101399209A
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- nonvolatile memory
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- oxide
- gate
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- 230000015654 memory Effects 0.000 title claims abstract description 53
- 238000002360 preparation method Methods 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 claims abstract description 86
- 238000007667 floating Methods 0.000 claims abstract description 32
- 239000004065 semiconductor Substances 0.000 claims abstract description 18
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 238000004151 rapid thermal annealing Methods 0.000 claims abstract description 14
- 239000012535 impurity Substances 0.000 claims abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 29
- 239000002159 nanocrystal Substances 0.000 claims description 28
- 229920002120 photoresistant polymer Polymers 0.000 claims description 21
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical group [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 18
- 238000005530 etching Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 17
- 239000000377 silicon dioxide Substances 0.000 claims description 14
- 108091006146 Channels Proteins 0.000 claims description 13
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical group O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 claims description 12
- 229910052710 silicon Inorganic materials 0.000 claims description 11
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 10
- 239000010703 silicon Substances 0.000 claims description 10
- 238000010894 electron beam technology Methods 0.000 claims description 9
- 239000003292 glue Substances 0.000 claims description 9
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- 238000000137 annealing Methods 0.000 claims description 7
- 238000005566 electron beam evaporation Methods 0.000 claims description 7
- 229910000449 hafnium oxide Inorganic materials 0.000 claims description 7
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical group [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 claims description 7
- 102000004129 N-Type Calcium Channels Human genes 0.000 claims description 6
- 108090000699 N-Type Calcium Channels Proteins 0.000 claims description 6
- 238000001312 dry etching Methods 0.000 claims description 6
- 229910000484 niobium oxide Chemical group 0.000 claims description 6
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical group [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 claims description 6
- 235000012239 silicon dioxide Nutrition 0.000 claims description 6
- 238000001039 wet etching Methods 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 4
- 239000008367 deionised water Substances 0.000 claims description 4
- 229910021641 deionized water Inorganic materials 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000012212 insulator Substances 0.000 claims description 3
- 238000002207 thermal evaporation Methods 0.000 claims description 3
- 239000002019 doping agent Substances 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 239000011574 phosphorus Substances 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000005641 tunneling Effects 0.000 abstract description 5
- 230000015572 biosynthetic process Effects 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 10
- 238000003860 storage Methods 0.000 description 10
- 238000001259 photo etching Methods 0.000 description 8
- 239000002096 quantum dot Substances 0.000 description 8
- 239000013078 crystal Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 150000002500 ions Chemical class 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000002950 deficient Effects 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 4
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001451 molecular beam epitaxy Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910000077 silane Inorganic materials 0.000 description 2
- OUXCBPLFCPMLQZ-WOPPDYDQSA-N 4-amino-1-[(2r,3s,4s,5r)-4-hydroxy-5-(hydroxymethyl)-3-methyloxolan-2-yl]-5-iodopyrimidin-2-one Chemical compound C[C@H]1[C@H](O)[C@@H](CO)O[C@H]1N1C(=O)N=C(N)C(I)=C1 OUXCBPLFCPMLQZ-WOPPDYDQSA-N 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 208000036142 Viral infection Diseases 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 238000000231 atomic layer deposition Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- CJNBYAVZURUTKZ-UHFFFAOYSA-N hafnium(iv) oxide Chemical compound O=[Hf]=O CJNBYAVZURUTKZ-UHFFFAOYSA-N 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000008520 organization 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
- 239000002994 raw material Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
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- Semiconductor Memories (AREA)
Abstract
Description
Claims (11)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2008102233458A CN101399209B (zh) | 2008-09-26 | 2008-09-26 | 非挥发存储器的制备方法 |
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CN2008102233458A CN101399209B (zh) | 2008-09-26 | 2008-09-26 | 非挥发存储器的制备方法 |
Publications (2)
Publication Number | Publication Date |
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CN101399209A true CN101399209A (zh) | 2009-04-01 |
CN101399209B CN101399209B (zh) | 2010-11-10 |
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CN2008102233458A Expired - Fee Related CN101399209B (zh) | 2008-09-26 | 2008-09-26 | 非挥发存储器的制备方法 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103247669A (zh) * | 2012-02-07 | 2013-08-14 | 中国科学院微电子研究所 | 双栅电荷俘获存储器及其制作方法 |
CN103779190A (zh) * | 2012-10-17 | 2014-05-07 | 中国科学院微电子研究所 | 精细线条制备方法 |
CN108231823A (zh) * | 2018-03-16 | 2018-06-29 | 湖北大学 | 一种基于氧化锆隧穿层的氧化铌选通器件及其制造方法 |
-
2008
- 2008-09-26 CN CN2008102233458A patent/CN101399209B/zh not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103247669A (zh) * | 2012-02-07 | 2013-08-14 | 中国科学院微电子研究所 | 双栅电荷俘获存储器及其制作方法 |
CN103247669B (zh) * | 2012-02-07 | 2015-06-17 | 中国科学院微电子研究所 | 双栅电荷俘获存储器及其制作方法 |
CN103779190A (zh) * | 2012-10-17 | 2014-05-07 | 中国科学院微电子研究所 | 精细线条制备方法 |
CN103779190B (zh) * | 2012-10-17 | 2019-08-06 | 中国科学院微电子研究所 | 精细线条制备方法 |
CN108231823A (zh) * | 2018-03-16 | 2018-06-29 | 湖北大学 | 一种基于氧化锆隧穿层的氧化铌选通器件及其制造方法 |
CN108231823B (zh) * | 2018-03-16 | 2020-03-24 | 湖北大学 | 一种基于氧化锆隧穿层的氧化铌选通器件及其制造方法 |
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CN101399209B (zh) | 2010-11-10 |
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Effective date of registration: 20130419 Address after: 201203 Shanghai City, Pudong New Area Zhangjiang Road No. 18 Patentee after: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) Corp. Patentee after: Institute of Microelectronics of the Chinese Academy of Sciences Address before: 100029 Beijing city Chaoyang District Beitucheng West Road No. 3 Institute of Microelectronics Patentee before: Institute of Microelectronics of the Chinese Academy of Sciences |
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