JP7384936B2 - 3次元メモリデバイスにおける自己整合コンタクトおよびそれを形成するための方法 - Google Patents
3次元メモリデバイスにおける自己整合コンタクトおよびそれを形成するための方法 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims description 61
- 239000003989 dielectric material Substances 0.000 claims description 62
- 239000000758 substrate Substances 0.000 claims description 57
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 41
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 41
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 33
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 33
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 28
- 229910052710 silicon Inorganic materials 0.000 claims description 28
- 239000010703 silicon Substances 0.000 claims description 28
- 239000004020 conductor Substances 0.000 claims description 19
- 239000007769 metal material Substances 0.000 claims description 12
- 238000005530 etching Methods 0.000 claims description 10
- 238000000151 deposition Methods 0.000 claims description 8
- 239000010410 layer Substances 0.000 description 337
- 239000004065 semiconductor Substances 0.000 description 35
- 238000004519 manufacturing process Methods 0.000 description 18
- 239000000463 material Substances 0.000 description 15
- 229910052721 tungsten Inorganic materials 0.000 description 14
- 238000000231 atomic layer deposition Methods 0.000 description 12
- 238000005229 chemical vapour deposition Methods 0.000 description 12
- 238000005240 physical vapour deposition Methods 0.000 description 12
- 239000010408 film Substances 0.000 description 11
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- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 11
- 239000010937 tungsten Substances 0.000 description 11
- 230000002093 peripheral effect Effects 0.000 description 9
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 7
- 229920005591 polysilicon Polymers 0.000 description 7
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- -1 but not limited to Substances 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 238000001312 dry etching Methods 0.000 description 4
- 238000007772 electroless plating Methods 0.000 description 4
- 238000009713 electroplating Methods 0.000 description 4
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 4
- 229910021332 silicide Inorganic materials 0.000 description 4
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 4
- 238000001039 wet etching Methods 0.000 description 4
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- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 3
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 2
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000004943 liquid phase epitaxy Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
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- 238000000206 photolithography Methods 0.000 description 2
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- 238000004528 spin coating Methods 0.000 description 2
- 238000000927 vapour-phase epitaxy Methods 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- GPXJNWSHGFTCBW-UHFFFAOYSA-N Indium phosphide Chemical compound [In]#P GPXJNWSHGFTCBW-UHFFFAOYSA-N 0.000 description 1
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 239000012707 chemical precursor Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
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- 239000011521 glass Substances 0.000 description 1
- CJNBYAVZURUTKZ-UHFFFAOYSA-N hafnium(iv) oxide Chemical compound O=[Hf]=O CJNBYAVZURUTKZ-UHFFFAOYSA-N 0.000 description 1
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- 238000001451 molecular beam epitaxy Methods 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 235000012431 wafers Nutrition 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
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- 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
- H01L23/5226—Via connections in a multilevel interconnection structure
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- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76897—Formation of self-aligned vias or contact plugs, i.e. involving a lithographically uncritical step
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- 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
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- H01—ELECTRIC ELEMENTS
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- 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
- H01L23/5283—Cross-sectional geometry
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66833—Unipolar field-effect transistors with an insulated gate, i.e. MISFET with a charge trapping gate insulator, e.g. MNOS transistors
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- 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
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- H—ELECTRICITY
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- H10B—ELECTRONIC MEMORY DEVICES
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
- H01L21/76829—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing characterised by the formation of thin functional dielectric layers, e.g. dielectric etch-stop, barrier, capping or liner layers
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Description
102 基板
104 チャネル構造
105 ソース導電層
106 導電層
107 スペーサ
108 誘電層
109 ドープされた領域
110 メモリスタック
111 第1のコンタクト
112 半導体チャネル
113 第2のコンタクト
114 メモリフィルム
118 キャッピング層
120 半導体プラグ
122 チャネルプラグ
124 第1の誘電層
126 エッチストップ層
128 第1のコンタクト
130 ローカルコンタクト層
132 第2の誘電層
134 第2のコンタクト
136 インターコネクト層
202 シリコン基板
204 メモリスタック
206 導電層
208 誘電層
210 チャネル構造
212 メモリフィルム
214 半導体チャネル
216 キャッピング層
218 半導体プラグ
220 チャネルプラグ
222 第1の誘電層
224 エッチストップ層
226 エッチマスク
228 エッチ開口
230 第1のコンタクト開口
232 第1のコンタクト
Claims (21)
- 3次元(3D)メモリデバイスであって、
基板と、
前記基板の上に交互配置された導電層および誘電層を備えるメモリスタックと、
前記メモリスタックを貫通して垂直に延びる構造と、
前記メモリスタック上の第1の誘電層と、
前記第1の誘電層上のエッチストップ層と、
前記エッチストップ層上の第2の誘電層と、
前記エッチストップ層および前記第1の誘電層を貫通し、前記構造の上端と接触する第1のコンタクトと、
前記第2の誘電層を貫通し、前記第1のコンタクトの少なくとも上端と接触する第2のコンタクトとを備え、
前記導電層および誘電層が積層される方向において、前記第1のコンタクトが、前記第1の誘電層および前記エッチストップ層内に連続した側壁を有する、3Dメモリデバイス。 - 前記第2のコンタクトが、前記第1のコンタクトの前記上端および前記エッチストップ層と接触している、請求項1に記載の3Dメモリデバイス。
- 前記第2の誘電層が第1の誘電材料を含み、前記エッチストップ層が前記第1の誘電材料とは異なる第2の誘電材料を含む、請求項1に記載の3Dメモリデバイス。
- 前記第1の誘電材料と前記第2の誘電材料との間のエッチング選択性が約5:1以上である、請求項3に記載の3Dメモリデバイス。
- 前記第1の誘電材料が酸化シリコンを含む、請求項3に記載の3Dメモリデバイス。
- 前記第2の誘電材料が、窒化シリコン、酸窒化シリコン、または高比誘電率(high-k)誘電体のうちの少なくとも1つを含む、請求項3に記載の3Dメモリデバイス。
- 前記構造がチャネル構造またはスリット構造である、請求項1に記載の3Dメモリデバイス。
- 前記第1のコンタクトの臨界寸法が前記第2のコンタクトの臨界寸法より大きい、請求項1に記載の3Dメモリデバイス。
- 前記第1のコンタクトの前記上端が前記エッチストップ層の上面と同一平面にある、請求項1に記載の3Dメモリデバイス。
- 前記第2のコンタクトの下端が前記エッチストップ層の前記上面と同一平面にある、請求項9に記載の3Dメモリデバイス。
- 前記導電層および誘電層が積層される方向において、前記第1のコンタクトの側壁の幅が一定である、請求項1に記載の3Dメモリデバイス。
- 3次元(3D)メモリデバイスを形成するための方法であって、
基板の上に交互配置された導電層および誘電層を備えるメモリスタックを貫通して垂直に延びる構造を形成するステップと、
前記メモリスタック上に第1の誘電層を形成するステップと、
前記第1の誘電層上にエッチストップ層を形成するステップと、
前記エッチストップ層および前記第1の誘電層を貫通し、前記構造の上端と接触する第1のコンタクトを形成するステップと、
前記エッチストップ層上に第2の誘電層を形成するステップと、
前記第2の誘電層を貫通し、前記第1のコンタクトの少なくとも上端と接触する第2のコンタクトを形成するステップとを備える、方法。 - 前記第2のコンタクトを形成するステップが、
前記第1のコンタクトおよび前記エッチストップ層によって止められるまで、前記第2の誘電層を貫通して第2のコンタクト開口をエッチングするステップと、
前記第1のコンタクトの前記上端および前記エッチストップ層と接触する前記第2のコンタクトを形成するために、導電性材料で前記第2のコンタクト開口を充填するステップとを備える、請求項12に記載の方法。 - 前記第1のコンタクトを形成するステップが、
前記構造によって止められるまで、前記エッチストップ層および前記第1の誘電層を貫通して第1のコンタクト開口をエッチングするステップと、
前記第1のコンタクトを形成するために導電性材料で前記第1のコンタクト開口を充填するステップとを備える、請求項12に記載の方法。 - 前記第2の誘電層が第1の誘電材料を含み、前記エッチストップ層が前記第1の誘電材料とは異なる第2の誘電材料を含む、請求項12に記載の方法。
- 前記第1の誘電材料と前記第2の誘電材料との間のエッチング選択性が約5:1以上である、請求項15に記載の方法。
- 前記第1の誘電材料が酸化シリコンを含む、請求項15に記載の方法。
- 前記第2の誘電材料が、窒化シリコン、酸窒化シリコン、または高比誘電率(high-k)誘電体のうちの少なくとも1つを含む、請求項15に記載の方法。
- 前記第1のコンタクトの臨界寸法が前記第2のコンタクトの臨界寸法より大きい、請求項12に記載の方法。
- 前記第1のコンタクトの前記上端が前記エッチストップ層の上面と同一平面にあり、前記第2のコンタクトの下端が前記エッチストップ層の前記上面と同一平面にある、請求項12に記載の方法。
- 3次元(3D)メモリデバイスを形成するための方法であって、
基板の上に交互配置された導電層および誘電層を備えるメモリスタックを貫通して垂直に延びるチャネル構造を形成するステップと、
前記メモリスタック上に第1の酸化シリコン層を堆積するステップと、
前記第1の酸化シリコン層上に窒化シリコン層を堆積するステップと、
前記チャネル構造の上端によって止められるまで、前記窒化シリコン層および前記第1の酸化シリコン層を貫通して第1のコンタクト開口をエッチングするステップと、
前記チャネル構造の前記上端と接触して第1のコンタクトを形成するために、金属材料で前記第1のコンタクト開口を充填するステップと、
前記窒化シリコン層上に第2の酸化シリコン層を堆積するステップと、
前記第1のコンタクトの上端および前記窒化シリコン層によって止められるまで、前記第2の酸化シリコン層を貫通して第2のコンタクト開口をエッチングするステップと、
前記第1のコンタクトの前記上端および前記窒化シリコン層と接触して第2のコンタクトを形成するために、前記金属材料で前記第2のコンタクト開口を充填するステップとを備える、方法。
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CN112259547A (zh) * | 2020-10-23 | 2021-01-22 | 长江存储科技有限责任公司 | 半导体器件及其制作方法 |
US11869841B2 (en) * | 2020-11-19 | 2024-01-09 | Micron Technology, Inc. | Methods of forming microelectronic devices, and related microelectronic devices, memory devices, and electronic systems |
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US11749565B2 (en) * | 2021-08-30 | 2023-09-05 | Nanya Technology Corporation | Semiconductor device and manufacturing method thereof |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160111437A1 (en) | 2014-10-15 | 2016-04-21 | SanDisk Technologies, Inc. | Three-dimensional memory structure having self-aligned drain regions and methods of making thereof |
US20180308856A1 (en) | 2017-04-24 | 2018-10-25 | Samsung Electronics Co., Ltd. | Semiconductor device |
US20190035808A1 (en) | 2017-07-31 | 2019-01-31 | Samsung Electronics Co., Ltd. | Vertical memory devices |
US20190067314A1 (en) | 2017-03-08 | 2019-02-28 | Yangtze Memory Technologies Co., Ltd. | Interconnect structure of three-dimensional memory device |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100555579C (zh) * | 2005-03-28 | 2009-10-28 | 美光科技公司 | 集成电路制造 |
KR100881620B1 (ko) * | 2007-01-29 | 2009-02-04 | 삼성전자주식회사 | 반도체 장치 및 그 형성 방법 |
JP5305980B2 (ja) * | 2009-02-25 | 2013-10-02 | 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 |
KR101119774B1 (ko) | 2009-08-11 | 2012-03-26 | 주식회사 하이닉스반도체 | 반도체 소자 및 그 형성방법 |
KR101964263B1 (ko) * | 2012-02-22 | 2019-04-01 | 삼성전자주식회사 | 불휘발성 메모리 장치 및 그 제조 방법 |
US9449983B2 (en) | 2013-12-19 | 2016-09-20 | Sandisk Technologies Llc | Three dimensional NAND device with channel located on three sides of lower select gate and method of making thereof |
US9524981B2 (en) * | 2015-05-04 | 2016-12-20 | Sandisk Technologies Llc | Three dimensional memory device with hybrid source electrode for wafer warpage reduction |
US9553100B2 (en) | 2014-12-04 | 2017-01-24 | Sandisk Techologies Llc | Selective floating gate semiconductor material deposition in a three-dimensional memory structure |
US9754956B2 (en) * | 2014-12-04 | 2017-09-05 | Sandisk Technologies Llc | Uniform thickness blocking dielectric portions in a three-dimensional memory structure |
US10074661B2 (en) * | 2015-05-08 | 2018-09-11 | Sandisk Technologies Llc | Three-dimensional junction memory device and method reading thereof using hole current detection |
US9666281B2 (en) * | 2015-05-08 | 2017-05-30 | Sandisk Technologies Llc | Three-dimensional P-I-N memory device and method reading thereof using hole current detection |
US9853043B2 (en) * | 2015-08-25 | 2017-12-26 | Sandisk Technologies Llc | Method of making a multilevel memory stack structure using a cavity containing a sacrificial fill material |
KR102682890B1 (ko) * | 2017-02-27 | 2024-07-05 | 삼성전자주식회사 | 수직형 메모리 장치 |
KR102342853B1 (ko) * | 2017-07-21 | 2021-12-23 | 삼성전자주식회사 | 수직형 메모리 소자를 구비한 집적회로 소자 |
KR102471273B1 (ko) * | 2017-08-22 | 2022-11-28 | 삼성전자주식회사 | 적층 구조체와 트렌치들을 갖는 반도체 소자 |
JP7121141B2 (ja) * | 2018-05-03 | 2022-08-17 | 長江存儲科技有限責任公司 | 3次元メモリデバイスのスルーアレイコンタクト(tac) |
CN109314116B (zh) * | 2018-07-20 | 2019-10-01 | 长江存储科技有限责任公司 | 用于形成三维存储器件的方法 |
US10957705B2 (en) * | 2018-12-24 | 2021-03-23 | Sandisk Technologies Llc | Three-dimensional memory devices having a multi-stack bonded structure using a logic die and multiple three-dimensional memory dies and method of making the same |
-
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160111437A1 (en) | 2014-10-15 | 2016-04-21 | SanDisk Technologies, Inc. | Three-dimensional memory structure having self-aligned drain regions and methods of making thereof |
US20190067314A1 (en) | 2017-03-08 | 2019-02-28 | Yangtze Memory Technologies Co., Ltd. | Interconnect structure of three-dimensional memory device |
JP2020513224A (ja) | 2017-03-08 | 2020-05-07 | ヤンツー・メモリー・テクノロジーズ・カンパニー・リミテッド | 3次元メモリデバイスの相互接続構造 |
US20180308856A1 (en) | 2017-04-24 | 2018-10-25 | Samsung Electronics Co., Ltd. | Semiconductor device |
US20190035808A1 (en) | 2017-07-31 | 2019-01-31 | Samsung Electronics Co., Ltd. | Vertical memory devices |
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