CN107431074B - 半导体存储器 - Google Patents
半导体存储器 Download PDFInfo
- Publication number
- CN107431074B CN107431074B CN201580077508.4A CN201580077508A CN107431074B CN 107431074 B CN107431074 B CN 107431074B CN 201580077508 A CN201580077508 A CN 201580077508A CN 107431074 B CN107431074 B CN 107431074B
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- semiconductor
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- semiconductor memory
- memory according
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 137
- 230000015654 memory Effects 0.000 title description 13
- 239000000758 substrate Substances 0.000 claims description 36
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 111
- 229910052710 silicon Inorganic materials 0.000 description 111
- 239000010703 silicon Substances 0.000 description 111
- 239000010410 layer Substances 0.000 description 45
- 238000004519 manufacturing process Methods 0.000 description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 20
- 229910052814 silicon oxide Inorganic materials 0.000 description 20
- 238000003860 storage Methods 0.000 description 17
- 238000005530 etching Methods 0.000 description 12
- 230000000903 blocking effect Effects 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 238000005229 chemical vapour deposition Methods 0.000 description 8
- 239000012535 impurity Substances 0.000 description 8
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 8
- 229910052721 tungsten Inorganic materials 0.000 description 8
- 239000010937 tungsten Substances 0.000 description 8
- 239000011229 interlayer Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000004888 barrier function Effects 0.000 description 6
- 238000009792 diffusion process Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 229910000449 hafnium oxide Inorganic materials 0.000 description 6
- 238000000151 deposition Methods 0.000 description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- ILCYGSITMBHYNK-UHFFFAOYSA-N [Si]=O.[Hf] Chemical compound [Si]=O.[Hf] ILCYGSITMBHYNK-UHFFFAOYSA-N 0.000 description 4
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 238000001020 plasma etching Methods 0.000 description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 4
- 101100493713 Caenorhabditis elegans bath-45 gene Proteins 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 3
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 3
- 229910021417 amorphous silicon Inorganic materials 0.000 description 3
- 229920005591 polysilicon Polymers 0.000 description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 3
- 238000001039 wet etching Methods 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
- H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
- H01L23/528—Geometry or layout of the interconnection structure
-
- 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
- H10B41/23—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates 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
- H10B41/27—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates 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
- 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
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- Physics & Mathematics (AREA)
- Geometry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Semiconductor Memories (AREA)
- Non-Volatile Memory (AREA)
Abstract
Description
Claims (16)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2015/056843 WO2016143035A1 (ja) | 2015-03-09 | 2015-03-09 | 半導体記憶装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107431074A CN107431074A (zh) | 2017-12-01 |
CN107431074B true CN107431074B (zh) | 2020-11-10 |
Family
ID=56878855
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201580077508.4A Active CN107431074B (zh) | 2015-03-09 | 2015-03-09 | 半导体存储器 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10229924B2 (zh) |
CN (1) | CN107431074B (zh) |
TW (1) | TWI617009B (zh) |
WO (1) | WO2016143035A1 (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110315861B (zh) * | 2018-03-28 | 2022-05-13 | 精工爱普生株式会社 | 扫描装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100207193A1 (en) * | 2009-02-16 | 2010-08-19 | Kabushiki Kaisha Toshiba | Non-volatile semiconductor storage device and method of manufacturing the same |
US20110291172A1 (en) * | 2010-05-25 | 2011-12-01 | Sung-Min Hwang | Semiconductor device and method of fabricating the same |
US20130003433A1 (en) * | 2011-06-28 | 2013-01-03 | Kabushiki Kaisha Toshiba | Semiconductor memory device |
US20130221423A1 (en) * | 2012-02-29 | 2013-08-29 | Kabushiki Kaisha Toshiba | Nonvolatile semiconductor memory device and method for manufacturing same |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8644046B2 (en) * | 2009-02-10 | 2014-02-04 | Samsung Electronics Co., Ltd. | Non-volatile memory devices including vertical NAND channels and methods of forming the same |
JP2011192879A (ja) * | 2010-03-16 | 2011-09-29 | Toshiba Corp | 不揮発性記憶装置および不揮発性記憶装置の製造方法 |
JP2013004778A (ja) | 2011-06-17 | 2013-01-07 | Toshiba Corp | 半導体記憶装置 |
JP2017010951A (ja) | 2014-01-10 | 2017-01-12 | 株式会社東芝 | 半導体記憶装置及びその製造方法 |
US9478556B2 (en) * | 2014-09-11 | 2016-10-25 | Kabushiki Kaisha Toshiba | Semiconductor memory device |
-
2015
- 2015-03-09 WO PCT/JP2015/056843 patent/WO2016143035A1/ja active Application Filing
- 2015-03-09 CN CN201580077508.4A patent/CN107431074B/zh active Active
- 2015-04-09 TW TW104111476A patent/TWI617009B/zh active
-
2017
- 2017-08-25 US US15/686,292 patent/US10229924B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100207193A1 (en) * | 2009-02-16 | 2010-08-19 | Kabushiki Kaisha Toshiba | Non-volatile semiconductor storage device and method of manufacturing the same |
US20110291172A1 (en) * | 2010-05-25 | 2011-12-01 | Sung-Min Hwang | Semiconductor device and method of fabricating the same |
US20130003433A1 (en) * | 2011-06-28 | 2013-01-03 | Kabushiki Kaisha Toshiba | Semiconductor memory device |
US20130221423A1 (en) * | 2012-02-29 | 2013-08-29 | Kabushiki Kaisha Toshiba | Nonvolatile semiconductor memory device and method for manufacturing same |
Also Published As
Publication number | Publication date |
---|---|
TWI617009B (zh) | 2018-03-01 |
TW201633465A (zh) | 2016-09-16 |
CN107431074A (zh) | 2017-12-01 |
US10229924B2 (en) | 2019-03-12 |
US20170352672A1 (en) | 2017-12-07 |
WO2016143035A1 (ja) | 2016-09-15 |
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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 | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
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 Patentee after: Kaixia Co.,Ltd. Address before: Tokyo Patentee before: TOSHIBA MEMORY Corp. Address after: Tokyo Patentee after: TOSHIBA MEMORY Corp. Address before: Tokyo Patentee before: Pangea Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20220207 Address after: Tokyo Patentee after: Pangea Co.,Ltd. Address before: Tokyo Patentee before: TOSHIBA MEMORY Corp. |