CN110176456A - 半导体存储装置 - Google Patents
半导体存储装置 Download PDFInfo
- Publication number
- CN110176456A CN110176456A CN201810885813.1A CN201810885813A CN110176456A CN 110176456 A CN110176456 A CN 110176456A CN 201810885813 A CN201810885813 A CN 201810885813A CN 110176456 A CN110176456 A CN 110176456A
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- CN
- China
- Prior art keywords
- film
- component
- fixed charge
- semiconductor storage
- insulating
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- 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.)
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 104
- 238000003860 storage Methods 0.000 title claims abstract description 99
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 62
- 238000009825 accumulation Methods 0.000 claims abstract description 43
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 12
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 9
- 229910052735 hafnium Inorganic materials 0.000 claims abstract description 7
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 230000007935 neutral effect Effects 0.000 abstract description 22
- 239000000306 component Substances 0.000 description 103
- 239000000463 material Substances 0.000 description 53
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 51
- 239000010703 silicon Substances 0.000 description 51
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 37
- 229910052814 silicon oxide Inorganic materials 0.000 description 33
- 239000008358 core component Substances 0.000 description 30
- 230000000694 effects Effects 0.000 description 17
- 230000006870 function Effects 0.000 description 17
- 239000012212 insulator Substances 0.000 description 17
- 239000000758 substrate Substances 0.000 description 13
- 229910052581 Si3N4 Inorganic materials 0.000 description 9
- 238000009413 insulation Methods 0.000 description 9
- 238000003475 lamination Methods 0.000 description 9
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 229910000449 hafnium oxide Inorganic materials 0.000 description 7
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 239000004020 conductor Substances 0.000 description 5
- 239000011810 insulating material Substances 0.000 description 5
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 5
- NCMAYWHYXSWFGB-UHFFFAOYSA-N [Si].[N+][O-] Chemical class [Si].[N+][O-] NCMAYWHYXSWFGB-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000000151 deposition Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 240000002853 Nelumbo nucifera Species 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 2
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
- OBNDGIHQAIXEAO-UHFFFAOYSA-N [O].[Si] Chemical compound [O].[Si] OBNDGIHQAIXEAO-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical group [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/401—Multistep manufacturing processes
- H01L29/4011—Multistep manufacturing processes for data storage electrodes
- H01L29/40117—Multistep manufacturing processes for data storage electrodes the electrodes comprising a charge-trapping insulator
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/408—Electrodes ; Multistep manufacturing processes therefor with an insulating layer with a particular dielectric or electrostatic property, e.g. with static charges or for controlling trapped charges or moving ions, or with a plate acting on the insulator potential or the insulator charges, e.g. for controlling charges effect or potential distribution in the insulating layer, or with a semi-insulating layer contacting directly the semiconductor surface
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/792—Field effect transistors with field effect produced by an insulated gate with charge trapping gate insulator, e.g. MNOS-memory transistors
- H01L29/7926—Vertical transistors, i.e. transistors having source and drain not in the same horizontal plane
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B41/00—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates
- H10B41/20—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by three-dimensional arrangements, e.g. with cells on different height levels
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B41/00—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates
- H10B41/30—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by the memory core region
- H10B41/35—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by the memory core region with a cell select transistor, e.g. NAND
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B43/00—EEPROM devices comprising charge-trapping gate insulators
- H10B43/10—EEPROM devices comprising charge-trapping gate insulators characterised by the top-view layout
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B43/00—EEPROM devices comprising charge-trapping gate insulators
- H10B43/20—EEPROM devices comprising charge-trapping gate insulators characterised by three-dimensional arrangements, e.g. with cells on different height levels
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B43/00—EEPROM devices comprising charge-trapping gate insulators
- H10B43/20—EEPROM devices comprising charge-trapping gate insulators characterised by three-dimensional arrangements, e.g. with cells on different height levels
- H10B43/23—EEPROM devices comprising charge-trapping gate insulators characterised by three-dimensional arrangements, e.g. with cells on different height levels with source and drain on different levels, e.g. with sloping channels
- H10B43/27—EEPROM devices comprising charge-trapping gate insulators characterised by three-dimensional arrangements, e.g. with cells on different height levels with source and drain on different levels, e.g. with sloping channels the channels comprising vertical portions, e.g. U-shaped channels
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B43/00—EEPROM devices comprising charge-trapping gate insulators
- H10B43/30—EEPROM devices comprising charge-trapping gate insulators characterised by the memory core region
- H10B43/35—EEPROM devices comprising charge-trapping gate insulators characterised by the memory core region with cell select transistors, e.g. NAND
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Semiconductor Memories (AREA)
- Non-Volatile Memory (AREA)
Abstract
Description
Claims (5)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018-027165 | 2018-02-19 | ||
JP2018027165A JP2019145614A (ja) | 2018-02-19 | 2018-02-19 | 半導体記憶装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN110176456A true CN110176456A (zh) | 2019-08-27 |
Family
ID=67616985
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810885813.1A Pending CN110176456A (zh) | 2018-02-19 | 2018-08-06 | 半导体存储装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10748920B2 (zh) |
JP (1) | JP2019145614A (zh) |
CN (1) | CN110176456A (zh) |
TW (1) | TWI728258B (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020043277A (ja) * | 2018-09-13 | 2020-03-19 | キオクシア株式会社 | 半導体記憶装置 |
WO2021053725A1 (ja) * | 2019-09-17 | 2021-03-25 | キオクシア株式会社 | メモリデバイス |
KR20220050679A (ko) * | 2020-10-16 | 2022-04-25 | 에스케이하이닉스 주식회사 | 메모리 장치 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100309729A1 (en) * | 2009-06-09 | 2010-12-09 | Samsung Electronics Co., Ltd. | Nonvolatile memory device and method of manufacturing the same |
CN105633089A (zh) * | 2014-11-20 | 2016-06-01 | 三星电子株式会社 | 存储器装置及其制造方法 |
US20160268295A1 (en) * | 2015-03-09 | 2016-09-15 | Kabushiki Kaisha Toshiba | Semiconductor device |
US20170069654A1 (en) * | 2015-09-08 | 2017-03-09 | Kabushiki Kaisha Toshiba | Semiconductor memory device |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4540320B2 (ja) | 2003-09-19 | 2010-09-08 | Okiセミコンダクタ株式会社 | 半導体装置の製造方法 |
JP5016832B2 (ja) | 2006-03-27 | 2012-09-05 | 株式会社東芝 | 不揮発性半導体記憶装置及びその製造方法 |
JP2012195357A (ja) | 2011-03-15 | 2012-10-11 | Toshiba Corp | 不揮発性記憶装置 |
KR20130117130A (ko) * | 2012-04-17 | 2013-10-25 | 삼성전자주식회사 | 비휘발성 메모리 소자의 게이트 구조물 |
TW201431046A (zh) * | 2013-01-21 | 2014-08-01 | Nat Univ Tsing Hua | 具低-高-低能帶結構作為儲存層之電荷陷阱式快閃記憶體裝置 |
KR102107389B1 (ko) | 2013-11-12 | 2020-05-07 | 삼성전자 주식회사 | 반도체 메모리 소자 및 그 제조 방법 |
US9240416B2 (en) * | 2014-06-12 | 2016-01-19 | Kabushiki Kaisha Toshiba | Semiconductor memory device |
US9985044B2 (en) * | 2016-03-11 | 2018-05-29 | Toshiba Memory Corporation | Semiconductor memory device and method for manufacturing the same |
TWI605575B (zh) * | 2017-01-20 | 2017-11-11 | 群聯電子股份有限公司 | 三維非揮發性記憶體結構及其製造方法 |
-
2018
- 2018-02-19 JP JP2018027165A patent/JP2019145614A/ja active Pending
- 2018-08-06 TW TW107127220A patent/TWI728258B/zh active
- 2018-08-06 CN CN201810885813.1A patent/CN110176456A/zh active Pending
- 2018-09-10 US US16/126,209 patent/US10748920B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100309729A1 (en) * | 2009-06-09 | 2010-12-09 | Samsung Electronics Co., Ltd. | Nonvolatile memory device and method of manufacturing the same |
CN105633089A (zh) * | 2014-11-20 | 2016-06-01 | 三星电子株式会社 | 存储器装置及其制造方法 |
US20160268295A1 (en) * | 2015-03-09 | 2016-09-15 | Kabushiki Kaisha Toshiba | Semiconductor device |
US20170069654A1 (en) * | 2015-09-08 | 2017-03-09 | Kabushiki Kaisha Toshiba | Semiconductor memory device |
Also Published As
Publication number | Publication date |
---|---|
US20190259775A1 (en) | 2019-08-22 |
US10748920B2 (en) | 2020-08-18 |
JP2019145614A (ja) | 2019-08-29 |
TW201935667A (zh) | 2019-09-01 |
TWI728258B (zh) | 2021-05-21 |
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Legal Events
Date | Code | Title | Description |
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information | ||
CB02 | Change of applicant information |
Address after: Tokyo Applicant after: Kaixia Co.,Ltd. Address before: Tokyo Applicant before: TOSHIBA MEMORY Corp. Address after: Tokyo Applicant after: TOSHIBA MEMORY Corp. Address before: Tokyo Applicant before: Pangea Co.,Ltd. |
|
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20220210 Address after: Tokyo Applicant after: Pangea Co.,Ltd. Address before: Tokyo Applicant before: TOSHIBA MEMORY Corp. |