CN102810541A - 一种存储器及其制造方法 - Google Patents
一种存储器及其制造方法 Download PDFInfo
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- CN102810541A CN102810541A CN2011101430770A CN201110143077A CN102810541A CN 102810541 A CN102810541 A CN 102810541A CN 2011101430770 A CN2011101430770 A CN 2011101430770A CN 201110143077 A CN201110143077 A CN 201110143077A CN 102810541 A CN102810541 A CN 102810541A
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- layer
- charge trapping
- tunneling
- memory
- trapping layer
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 239000004065 semiconductor Substances 0.000 claims abstract description 41
- 230000005641 tunneling Effects 0.000 claims abstract description 41
- 239000000758 substrate Substances 0.000 claims abstract description 37
- 230000000903 blocking effect Effects 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims description 30
- 229910052751 metal Inorganic materials 0.000 claims description 19
- 239000002184 metal Substances 0.000 claims description 19
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 16
- 230000004888 barrier function Effects 0.000 claims description 12
- 238000000137 annealing Methods 0.000 claims description 11
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 11
- 229910044991 metal oxide Inorganic materials 0.000 claims description 10
- 150000004706 metal oxides Chemical class 0.000 claims description 10
- 150000004767 nitrides Chemical class 0.000 claims description 9
- CJNBYAVZURUTKZ-UHFFFAOYSA-N hafnium(IV) oxide Inorganic materials O=[Hf]=O CJNBYAVZURUTKZ-UHFFFAOYSA-N 0.000 claims description 8
- 229910004143 HfON Inorganic materials 0.000 claims description 5
- 229910010037 TiAlN Inorganic materials 0.000 claims description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 4
- 239000002159 nanocrystal Substances 0.000 claims description 4
- 238000005530 etching Methods 0.000 claims description 3
- 239000012299 nitrogen atmosphere Substances 0.000 claims description 3
- 238000000059 patterning Methods 0.000 claims description 3
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- PBCFLUZVCVVTBY-UHFFFAOYSA-N tantalum pentoxide Inorganic materials O=[Ta](=O)O[Ta](=O)=O PBCFLUZVCVVTBY-UHFFFAOYSA-N 0.000 claims description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 claims 1
- 229910052593 corundum Inorganic materials 0.000 claims 1
- 229910001845 yogo sapphire Inorganic materials 0.000 claims 1
- 239000010410 layer Substances 0.000 description 171
- 238000004544 sputter deposition Methods 0.000 description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical group [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 8
- 238000002955 isolation Methods 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 229910052786 argon Inorganic materials 0.000 description 4
- 239000012298 atmosphere Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000001755 magnetron sputter deposition Methods 0.000 description 4
- 238000005546 reactive sputtering Methods 0.000 description 4
- 238000005477 sputtering target Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 125000001475 halogen functional group Chemical group 0.000 description 3
- 239000007943 implant Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 229920002120 photoresistant polymer Polymers 0.000 description 3
- 229910021332 silicide Inorganic materials 0.000 description 3
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 229910052785 arsenic Inorganic materials 0.000 description 2
- 238000000231 atomic layer deposition Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 238000001020 plasma etching Methods 0.000 description 2
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 1
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000001312 dry etching Methods 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
- 238000002513 implantation Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004151 rapid thermal annealing Methods 0.000 description 1
- -1 silicon Oxide Nitride Chemical class 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 239000013077 target material Substances 0.000 description 1
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Abstract
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CN201110143077.0A CN102810541B (zh) | 2011-05-30 | 2011-05-30 | 一种存储器及其制造方法 |
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CN201110143077.0A CN102810541B (zh) | 2011-05-30 | 2011-05-30 | 一种存储器及其制造方法 |
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CN102810541A true CN102810541A (zh) | 2012-12-05 |
CN102810541B CN102810541B (zh) | 2015-10-14 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104332469A (zh) * | 2014-08-27 | 2015-02-04 | 上海华力微电子有限公司 | n沟道非易失性存储元件及其编译方法 |
CN109904167A (zh) * | 2019-03-04 | 2019-06-18 | 安阳师范学院 | 基于Si3N4包覆金属氧化物纳米晶的电荷存储器件的制备方法 |
CN113380881A (zh) * | 2021-05-28 | 2021-09-10 | 复旦大学 | 非易失性存储器及其制备方法 |
US11569254B2 (en) * | 2009-04-24 | 2023-01-31 | Longitude Flash Memory Solutions Ltd. | Method of ono integration into logic CMOS flow |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060202254A1 (en) * | 2005-03-10 | 2006-09-14 | Li-Shyue Lai | Multi-level flash memory cell capable of fast programming |
US20060261401A1 (en) * | 2005-05-17 | 2006-11-23 | Micron Technology, Inc. | Novel low power non-volatile memory and gate stack |
CN101673772A (zh) * | 2009-09-24 | 2010-03-17 | 复旦大学 | 一种可擦写的金属-绝缘体-硅电容器结构 |
-
2011
- 2011-05-30 CN CN201110143077.0A patent/CN102810541B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060202254A1 (en) * | 2005-03-10 | 2006-09-14 | Li-Shyue Lai | Multi-level flash memory cell capable of fast programming |
US20060261401A1 (en) * | 2005-05-17 | 2006-11-23 | Micron Technology, Inc. | Novel low power non-volatile memory and gate stack |
CN101673772A (zh) * | 2009-09-24 | 2010-03-17 | 复旦大学 | 一种可擦写的金属-绝缘体-硅电容器结构 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11569254B2 (en) * | 2009-04-24 | 2023-01-31 | Longitude Flash Memory Solutions Ltd. | Method of ono integration into logic CMOS flow |
CN104332469A (zh) * | 2014-08-27 | 2015-02-04 | 上海华力微电子有限公司 | n沟道非易失性存储元件及其编译方法 |
CN104332469B (zh) * | 2014-08-27 | 2021-01-29 | 上海华力微电子有限公司 | n沟道非易失性存储元件及其编译方法 |
CN109904167A (zh) * | 2019-03-04 | 2019-06-18 | 安阳师范学院 | 基于Si3N4包覆金属氧化物纳米晶的电荷存储器件的制备方法 |
CN109904167B (zh) * | 2019-03-04 | 2020-10-27 | 安阳师范学院 | 基于Si3N4包覆金属氧化物纳米晶的电荷存储器件的制备方法 |
CN113380881A (zh) * | 2021-05-28 | 2021-09-10 | 复旦大学 | 非易失性存储器及其制备方法 |
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Publication number | Publication date |
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CN102810541B (zh) | 2015-10-14 |
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Effective date of registration: 20160330 Address after: 100029 Beijing city Chaoyang District Beitucheng West Road No. 3, building 15, Room 308 Patentee after: Beijing Zhongke micro Cci Capital Ltd. Address before: 100029 Beijing city Chaoyang District Beitucheng West Road No. 3 Patentee before: Institute of Microelectronics of the Chinese Academy of Sciences |
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Effective date of registration: 20160422 Address after: 519080 A building, block A0204, Tsinghua Science and Technology Park (Zhuhai), 101 University Road, Tang Wan Town, Guangdong, Zhuhai Patentee after: Zhuhai Chuangfeixin Technology Co.,Ltd. Address before: 100029 Beijing city Chaoyang District Beitucheng West Road No. 3, building 15, Room 308 Patentee before: Beijing Zhongke micro Cci Capital Ltd. |