CN109962075B - 半导体存储器 - Google Patents
半导体存储器 Download PDFInfo
- Publication number
- CN109962075B CN109962075B CN201810856380.7A CN201810856380A CN109962075B CN 109962075 B CN109962075 B CN 109962075B CN 201810856380 A CN201810856380 A CN 201810856380A CN 109962075 B CN109962075 B CN 109962075B
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- CN
- China
- Prior art keywords
- conductor
- conductors
- semiconductor memory
- pillar
- substrate
- 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.)
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 110
- 239000004020 conductor Substances 0.000 claims abstract description 146
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 239000000758 substrate Substances 0.000 claims description 29
- 238000003475 lamination Methods 0.000 claims description 9
- 238000004378 air conditioning Methods 0.000 claims 2
- 239000012212 insulator Substances 0.000 abstract description 50
- 210000004027 cell Anatomy 0.000 description 74
- 239000000463 material Substances 0.000 description 55
- 239000010410 layer Substances 0.000 description 25
- 238000004519 manufacturing process Methods 0.000 description 24
- 230000006870 function Effects 0.000 description 18
- 238000000034 method Methods 0.000 description 15
- 238000005530 etching Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 11
- 238000003860 storage Methods 0.000 description 8
- 238000005452 bending Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
- 238000001039 wet etching Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000001020 plasma etching Methods 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 6
- 239000007769 metal material Substances 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 239000011229 interlayer Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000206 photolithography Methods 0.000 description 3
- 229910021417 amorphous silicon Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 210000000352 storage cell Anatomy 0.000 description 1
Classifications
-
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/06—Auxiliary circuits, e.g. for writing into memory
- G11C16/26—Sensing or reading circuits; Data output circuits
- G11C16/28—Sensing or reading circuits; Data output circuits using differential sensing or reference cells, e.g. dummy cells
-
- 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
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C16/00—Erasable programmable read-only memories
- G11C16/02—Erasable programmable read-only memories electrically programmable
- G11C16/04—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS
- G11C16/0483—Erasable programmable read-only memories electrically programmable using variable threshold transistors, e.g. FAMOS comprising cells having several storage transistors connected in series
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)
- Semiconductor Memories (AREA)
- Non-Volatile Memory (AREA)
Abstract
Description
Claims (16)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017249588A JP2019114758A (ja) | 2017-12-26 | 2017-12-26 | 半導体メモリ |
JP2017-249588 | 2017-12-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN109962075A CN109962075A (zh) | 2019-07-02 |
CN109962075B true CN109962075B (zh) | 2023-07-18 |
Family
ID=66949002
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810856380.7A Active CN109962075B (zh) | 2017-12-26 | 2018-07-27 | 半导体存储器 |
Country Status (4)
Country | Link |
---|---|
US (2) | US10763276B2 (zh) |
JP (1) | JP2019114758A (zh) |
CN (1) | CN109962075B (zh) |
TW (1) | TWI702716B (zh) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102593706B1 (ko) * | 2018-07-12 | 2023-10-25 | 삼성전자주식회사 | 부분적으로 확대된 채널 홀을 갖는 반도체 소자 |
US11018152B2 (en) * | 2019-07-05 | 2021-05-25 | Sandisk Technologies Llc | Method for etching bottom punch-through opening in a memory film of a multi-tier three-dimensional memory device |
JP2021022645A (ja) * | 2019-07-26 | 2021-02-18 | キオクシア株式会社 | 半導体記憶装置及び半導体記憶装置の製造方法 |
JP2021048372A (ja) * | 2019-09-20 | 2021-03-25 | キオクシア株式会社 | 半導体記憶装置及び半導体記憶装置の製造方法 |
JP2021086884A (ja) * | 2019-11-26 | 2021-06-03 | キオクシア株式会社 | 半導体記憶装置 |
JP2021129044A (ja) * | 2020-02-14 | 2021-09-02 | キオクシア株式会社 | 半導体記憶装置 |
US11107540B1 (en) * | 2020-02-14 | 2021-08-31 | Sandisk Technologies Llc | Program disturb improvements in multi-tier memory devices including improved non-data conductive gate implementation |
KR20210122931A (ko) | 2020-04-01 | 2021-10-13 | 삼성전자주식회사 | 반도체 소자 및 그 제조방법 |
KR102664082B1 (ko) * | 2020-05-07 | 2024-05-09 | 에스케이하이닉스 주식회사 | 반도체 메모리 장치 및 그 제조방법 |
JP2021182596A (ja) * | 2020-05-19 | 2021-11-25 | キオクシア株式会社 | 半導体記憶装置及びその製造方法 |
US11600634B2 (en) * | 2020-08-05 | 2023-03-07 | Sandisk Technologies Llc | Three-dimensional memory device including a composite semiconductor channel and a horizontal source contact layer and method of making the same |
US11552100B2 (en) | 2020-08-05 | 2023-01-10 | Sandisk Technologies Llc | Three-dimensional memory device including a composite semiconductor channel and a horizontal source contact layer and method of making the same |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW201027720A (en) * | 2008-11-05 | 2010-07-16 | Toshiba Kk | Nonvolatile semiconductor memory device and method for manufacturing same |
CN105374825A (zh) * | 2014-08-13 | 2016-03-02 | 爱思开海力士有限公司 | 半导体器件及其制造方法 |
Family Cites Families (22)
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EP1081739B1 (en) * | 1999-03-05 | 2010-06-02 | Canon Kabushiki Kaisha | Image forming device |
US6653170B1 (en) * | 2001-02-06 | 2003-11-25 | Charles W. C. Lin | Semiconductor chip assembly with elongated wire ball bonded to chip and electrolessly plated to support circuit |
JP2006187130A (ja) * | 2004-12-28 | 2006-07-13 | Hitachi Ltd | 捲回式鉛電池を電源とする電動パワーステアリングシステム及びそれに用いられるモータとインバータ装置 |
KR101037229B1 (ko) * | 2006-04-27 | 2011-05-25 | 스미토모 베이클리트 컴퍼니 리미티드 | 반도체 장치 및 반도체 장치의 제조 방법 |
JP5142692B2 (ja) | 2007-12-11 | 2013-02-13 | 株式会社東芝 | 不揮発性半導体記憶装置 |
JP2009238874A (ja) | 2008-03-26 | 2009-10-15 | Toshiba Corp | 半導体メモリ及びその製造方法 |
JP5283960B2 (ja) | 2008-04-23 | 2013-09-04 | 株式会社東芝 | 三次元積層不揮発性半導体メモリ |
JP2009266944A (ja) | 2008-04-23 | 2009-11-12 | Toshiba Corp | 三次元積層不揮発性半導体メモリ |
US9315663B2 (en) * | 2008-09-26 | 2016-04-19 | Mikro Systems, Inc. | Systems, devices, and/or methods for manufacturing castings |
WO2011036981A1 (en) * | 2009-09-24 | 2011-03-31 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device |
KR20120003351A (ko) | 2010-07-02 | 2012-01-10 | 삼성전자주식회사 | 3차원 비휘발성 메모리 장치 및 그 동작방법 |
US9620439B2 (en) * | 2013-03-09 | 2017-04-11 | Adventive Ipbank | Low-profile footed power package |
US9515080B2 (en) | 2013-03-12 | 2016-12-06 | Sandisk Technologies Llc | Vertical NAND and method of making thereof using sequential stack etching and landing pad |
US9590109B2 (en) * | 2013-08-30 | 2017-03-07 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device and method for manufacturing the same |
US20160078910A1 (en) | 2014-09-12 | 2016-03-17 | Kabushiki Kaisha Toshiba | Semiconductor memory device and driving method thereof |
JP6823927B2 (ja) * | 2015-01-21 | 2021-02-03 | 株式会社半導体エネルギー研究所 | 表示システム |
JPWO2016116833A1 (ja) * | 2015-01-22 | 2017-12-21 | 株式会社半導体エネルギー研究所 | 表示装置及び電子機器 |
WO2016159245A1 (ja) * | 2015-03-31 | 2016-10-06 | 株式会社NejiLaw | 通電路付部材及び通電路のパターニング方法、部材変化計測方法 |
WO2017079091A1 (en) * | 2015-11-06 | 2017-05-11 | Velo3D, Inc. | Adept three-dimensional printing |
JP6581012B2 (ja) * | 2016-02-17 | 2019-09-25 | 東芝メモリ株式会社 | 半導体記憶装置及びその製造方法 |
US9865612B2 (en) * | 2016-03-22 | 2018-01-09 | Toshiba Memory Corporation | Semiconductor memory device and method of manufacturing the same |
US9842854B2 (en) * | 2016-05-12 | 2017-12-12 | Toshiba Memory Corporation | Manufacturing method of a semiconductor device and semiconductor device |
-
2017
- 2017-12-26 JP JP2017249588A patent/JP2019114758A/ja active Pending
-
2018
- 2018-07-03 TW TW107122959A patent/TWI702716B/zh active
- 2018-07-27 CN CN201810856380.7A patent/CN109962075B/zh active Active
- 2018-08-31 US US16/118,567 patent/US10763276B2/en active Active
-
2020
- 2020-07-23 US US16/936,561 patent/US10957710B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW201027720A (en) * | 2008-11-05 | 2010-07-16 | Toshiba Kk | Nonvolatile semiconductor memory device and method for manufacturing same |
CN105374825A (zh) * | 2014-08-13 | 2016-03-02 | 爱思开海力士有限公司 | 半导体器件及其制造方法 |
Also Published As
Publication number | Publication date |
---|---|
CN109962075A (zh) | 2019-07-02 |
JP2019114758A (ja) | 2019-07-11 |
TW201937708A (zh) | 2019-09-16 |
US10763276B2 (en) | 2020-09-01 |
US20200350336A1 (en) | 2020-11-05 |
TWI702716B (zh) | 2020-08-21 |
US10957710B2 (en) | 2021-03-23 |
US20190198522A1 (en) | 2019-06-27 |
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Legal Events
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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 |
Address after: Tokyo Applicant after: TOSHIBA MEMORY Corp. Address before: Tokyo Applicant before: Pangea Co.,Ltd. Address after: Tokyo Applicant after: Kaixia Co.,Ltd. Address before: Tokyo Applicant before: TOSHIBA MEMORY Corp. |
|
CB02 | Change of applicant information | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20220127 Address after: Tokyo Applicant after: Pangea Co.,Ltd. Address before: Tokyo Applicant before: TOSHIBA MEMORY Corp. |
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TA01 | Transfer of patent application right | ||
GR01 | Patent grant | ||
GR01 | Patent grant |