CN101026193A - 非易失性半导体存储装置 - Google Patents
非易失性半导体存储装置 Download PDFInfo
- Publication number
- CN101026193A CN101026193A CN 200610130951 CN200610130951A CN101026193A CN 101026193 A CN101026193 A CN 101026193A CN 200610130951 CN200610130951 CN 200610130951 CN 200610130951 A CN200610130951 A CN 200610130951A CN 101026193 A CN101026193 A CN 101026193A
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- CN
- China
- Prior art keywords
- mentioned
- memory device
- semiconductor memory
- work function
- nonvolatile semiconductor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 71
- 238000007667 floating Methods 0.000 claims abstract description 117
- 239000000758 substrate Substances 0.000 claims abstract description 15
- 238000009792 diffusion process Methods 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims description 171
- 229910052751 metal Inorganic materials 0.000 claims description 90
- 239000002184 metal Substances 0.000 claims description 89
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 88
- 229920005591 polysilicon Polymers 0.000 claims description 46
- 229910052710 silicon Inorganic materials 0.000 claims description 37
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 27
- 229910052735 hafnium Inorganic materials 0.000 claims description 24
- 239000012535 impurity Substances 0.000 claims description 24
- 229910052719 titanium Inorganic materials 0.000 claims description 22
- 229910021332 silicide Inorganic materials 0.000 claims description 20
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims description 20
- 229910052721 tungsten Inorganic materials 0.000 claims description 16
- 229910052726 zirconium Inorganic materials 0.000 claims description 14
- 229910052782 aluminium Inorganic materials 0.000 claims description 13
- 229910052746 lanthanum Inorganic materials 0.000 claims description 11
- 150000004767 nitrides Chemical class 0.000 claims description 11
- 229910052727 yttrium Inorganic materials 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 10
- 229910052697 platinum Inorganic materials 0.000 claims description 10
- 229910052684 Cerium Inorganic materials 0.000 claims description 9
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 7
- 229910052741 iridium Inorganic materials 0.000 claims description 7
- 229910052750 molybdenum Inorganic materials 0.000 claims description 7
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 6
- 229910052715 tantalum Inorganic materials 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 229910052702 rhenium Inorganic materials 0.000 claims description 3
- 229910052707 ruthenium Inorganic materials 0.000 claims description 3
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 claims description 2
- 230000006870 function Effects 0.000 abstract description 113
- 230000008878 coupling Effects 0.000 abstract description 28
- 238000010168 coupling process Methods 0.000 abstract description 28
- 238000005859 coupling reaction Methods 0.000 abstract description 28
- 238000009413 insulation Methods 0.000 abstract description 6
- 239000010410 layer Substances 0.000 description 103
- 238000000034 method Methods 0.000 description 73
- 239000012212 insulator Substances 0.000 description 33
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 32
- 239000010703 silicon Substances 0.000 description 32
- 238000005229 chemical vapour deposition Methods 0.000 description 27
- 238000004519 manufacturing process Methods 0.000 description 27
- 239000000523 sample Substances 0.000 description 24
- 238000010276 construction Methods 0.000 description 23
- 239000007789 gas Substances 0.000 description 22
- 230000001413 cellular effect Effects 0.000 description 20
- 238000000231 atomic layer deposition Methods 0.000 description 16
- 239000007769 metal material Substances 0.000 description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 12
- 230000015572 biosynthetic process Effects 0.000 description 12
- 238000005755 formation reaction Methods 0.000 description 12
- -1 hafnium aluminate Chemical class 0.000 description 12
- 238000003475 lamination Methods 0.000 description 12
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 11
- 229910052814 silicon oxide Inorganic materials 0.000 description 10
- 229910004298 SiO 2 Inorganic materials 0.000 description 9
- 229910004200 TaSiN Inorganic materials 0.000 description 9
- 230000008859 change Effects 0.000 description 8
- 230000005684 electric field Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 8
- 229920002120 photoresistant polymer Polymers 0.000 description 8
- 229910003855 HfAlO Inorganic materials 0.000 description 7
- 230000004888 barrier function Effects 0.000 description 7
- 230000006866 deterioration Effects 0.000 description 7
- 239000002019 doping agent Substances 0.000 description 7
- 239000011229 interlayer Substances 0.000 description 7
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 6
- 238000000137 annealing Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 229910052698 phosphorus Inorganic materials 0.000 description 6
- 239000011574 phosphorus Substances 0.000 description 6
- 238000001020 plasma etching Methods 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000011810 insulating material Substances 0.000 description 4
- 238000004654 kelvin probe force microscopy Methods 0.000 description 4
- 238000003913 materials processing Methods 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- 229910015861 MSix Inorganic materials 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 230000036962 time dependent Effects 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 229910015617 MoNx Inorganic materials 0.000 description 2
- 229910008482 TiSiN Inorganic materials 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- QRXWMOHMRWLFEY-UHFFFAOYSA-N isoniazide Chemical compound NNC(=O)C1=CC=NC=C1 QRXWMOHMRWLFEY-UHFFFAOYSA-N 0.000 description 2
- 238000000608 laser ablation Methods 0.000 description 2
- 238000001451 molecular beam epitaxy Methods 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004621 scanning probe microscopy Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000010023 transfer printing Methods 0.000 description 2
- LZIAMMQBHJIZAG-UHFFFAOYSA-N 2-[di(propan-2-yl)amino]ethyl carbamimidothioate Chemical compound CC(C)N(C(C)C)CCSC(N)=N LZIAMMQBHJIZAG-UHFFFAOYSA-N 0.000 description 1
- 229910019001 CoSi Inorganic materials 0.000 description 1
- 241000272168 Laridae Species 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910005883 NiSi Inorganic materials 0.000 description 1
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000003574 free electron 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
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000005036 potential barrier Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 description 1
- 229910021342 tungsten silicide Inorganic materials 0.000 description 1
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Abstract
Description
Claims (21)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005300432 | 2005-10-14 | ||
JP2005300432 | 2005-10-14 | ||
JP2006265905 | 2006-09-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101026193A true CN101026193A (zh) | 2007-08-29 |
CN100565930C CN100565930C (zh) | 2009-12-02 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2006101309516A Expired - Fee Related CN100565930C (zh) | 2005-10-14 | 2006-10-13 | 非易失性半导体存储装置 |
Country Status (1)
Country | Link |
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CN (1) | CN100565930C (zh) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102132389A (zh) * | 2008-08-25 | 2011-07-20 | 东京毅力科创株式会社 | 形成铝掺杂碳氮化物栅电极的方法 |
CN103578417A (zh) * | 2012-07-25 | 2014-02-12 | 三星显示有限公司 | 有机发光二极管显示器及其制造方法 |
CN105723511A (zh) * | 2013-12-24 | 2016-06-29 | 英特尔公司 | 具有自对准浮栅和控制栅的存储器结构和关联方法 |
CN106104803A (zh) * | 2013-12-17 | 2016-11-09 | 英特尔公司 | 金属浮栅复合3d nand存储器装置和相关方法 |
CN110931560A (zh) * | 2018-09-19 | 2020-03-27 | 东芝存储器株式会社 | 存储装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6153470A (en) * | 1999-08-12 | 2000-11-28 | Advanced Micro Devices, Inc. | Floating gate engineering to improve tunnel oxide reliability for flash memory devices |
US6630383B1 (en) * | 2002-09-23 | 2003-10-07 | Advanced Micro Devices, Inc. | Bi-layer floating gate for improved work function between floating gate and a high-K dielectric layer |
-
2006
- 2006-10-13 CN CNB2006101309516A patent/CN100565930C/zh not_active Expired - Fee Related
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102132389A (zh) * | 2008-08-25 | 2011-07-20 | 东京毅力科创株式会社 | 形成铝掺杂碳氮化物栅电极的方法 |
CN103578417A (zh) * | 2012-07-25 | 2014-02-12 | 三星显示有限公司 | 有机发光二极管显示器及其制造方法 |
CN106104803A (zh) * | 2013-12-17 | 2016-11-09 | 英特尔公司 | 金属浮栅复合3d nand存储器装置和相关方法 |
US10141322B2 (en) | 2013-12-17 | 2018-11-27 | Intel Corporation | Metal floating gate composite 3D NAND memory devices and associated methods |
CN106104803B (zh) * | 2013-12-17 | 2020-01-07 | 英特尔公司 | 金属浮栅复合3d nand存储器装置和相关方法 |
CN105723511A (zh) * | 2013-12-24 | 2016-06-29 | 英特尔公司 | 具有自对准浮栅和控制栅的存储器结构和关联方法 |
CN105723511B (zh) * | 2013-12-24 | 2019-06-25 | 英特尔公司 | 具有自对准浮栅和控制栅的存储器结构和关联方法 |
CN110931560A (zh) * | 2018-09-19 | 2020-03-27 | 东芝存储器株式会社 | 存储装置 |
CN110931560B (zh) * | 2018-09-19 | 2023-10-24 | 铠侠股份有限公司 | 存储装置 |
Also Published As
Publication number | Publication date |
---|---|
CN100565930C (zh) | 2009-12-02 |
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Legal Events
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C06 | Publication | ||
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170728 Address after: Tokyo, Japan Patentee after: TOSHIBA MEMORY Corp. Address before: Tokyo, Japan Patentee before: Toshiba Corp. |
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TR01 | Transfer of patent right | ||
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: Tokyo, Japan Patentee after: Kaixia Co.,Ltd. Address before: Tokyo, Japan Patentee before: TOSHIBA MEMORY Corp. Address after: Tokyo, Japan Patentee after: TOSHIBA MEMORY Corp. Address before: Tokyo, Japan Patentee before: Japanese businessman Panjaya Co.,Ltd. |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20200110 Address after: Tokyo, Japan Patentee after: Japanese businessman Panjaya Co.,Ltd. Address before: Tokyo, Japan Patentee before: TOSHIBA MEMORY Corp. |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091202 Termination date: 20211013 |