JP7593563B2 - 垂直型メモリ装置 - Google Patents
垂直型メモリ装置 Download PDFInfo
- Publication number
- JP7593563B2 JP7593563B2 JP2020112565A JP2020112565A JP7593563B2 JP 7593563 B2 JP7593563 B2 JP 7593563B2 JP 2020112565 A JP2020112565 A JP 2020112565A JP 2020112565 A JP2020112565 A JP 2020112565A JP 7593563 B2 JP7593563 B2 JP 7593563B2
- Authority
- JP
- Japan
- Prior art keywords
- gate electrode
- contact plug
- spacer
- memory device
- pattern
- 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.)
- Active
Links
- 125000006850 spacer group Chemical group 0.000 claims description 115
- 239000010410 layer Substances 0.000 claims description 104
- 239000011229 interlayer Substances 0.000 claims description 77
- 239000000758 substrate Substances 0.000 claims description 61
- 230000000149 penetrating effect Effects 0.000 claims description 26
- 230000000903 blocking effect Effects 0.000 claims description 24
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 16
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 13
- 239000011810 insulating material Substances 0.000 claims description 7
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 claims description 3
- 238000000034 method Methods 0.000 description 94
- 238000004519 manufacturing process Methods 0.000 description 53
- 238000003860 storage Methods 0.000 description 21
- 238000005530 etching Methods 0.000 description 16
- 239000012535 impurity Substances 0.000 description 14
- 229910052751 metal Inorganic materials 0.000 description 12
- 239000002184 metal Substances 0.000 description 12
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 10
- 229920005591 polysilicon Polymers 0.000 description 10
- 238000002955 isolation Methods 0.000 description 9
- 150000004767 nitrides Chemical class 0.000 description 9
- 238000001039 wet etching Methods 0.000 description 6
- 238000000926 separation method Methods 0.000 description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- 229910052581 Si3N4 Inorganic materials 0.000 description 4
- 229910021417 amorphous silicon Inorganic materials 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 229920002120 photoresistant polymer Polymers 0.000 description 4
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 3
- -1 GaP Chemical class 0.000 description 3
- 238000005137 deposition process Methods 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 238000001312 dry etching Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- 229910005540 GaP Inorganic materials 0.000 description 1
- 229910005542 GaSb Inorganic materials 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 1
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000010292 electrical insulation Methods 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
- 238000010438 heat treatment Methods 0.000 description 1
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Images
Classifications
-
- 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
- H01L21/76802—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 by forming openings in dielectrics
- H01L21/76816—Aspects relating to the layout of the pattern or to the size of vias or trenches
-
- 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
- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02521—Materials
- H01L21/02524—Group 14 semiconducting materials
- H01L21/02532—Silicon, silicon germanium, germanium
-
- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02587—Structure
- H01L21/0259—Microstructure
- H01L21/02592—Microstructure amorphous
-
- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02612—Formation types
- H01L21/02617—Deposition types
- H01L21/02636—Selective deposition, e.g. simultaneous growth of mono- and non-monocrystalline semiconductor materials
-
- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02656—Special treatments
- H01L21/02664—Aftertreatments
- H01L21/02667—Crystallisation or recrystallisation of non-monocrystalline semiconductor materials, e.g. regrowth
-
- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31105—Etching inorganic layers
- H01L21/31111—Etching inorganic layers by chemical means
-
- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31105—Etching inorganic layers
- H01L21/31111—Etching inorganic layers by chemical means
- H01L21/31116—Etching inorganic layers by chemical means by dry-etching
-
- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31144—Etching the insulating layers by chemical or physical means using masks
-
- 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
- H01L21/76802—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 by forming openings in dielectrics
- H01L21/76805—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 by forming openings in dielectrics the opening being a via or contact hole penetrating the underlying conductor
-
- 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
- H01L21/76831—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 in via holes or trenches, e.g. non-conductive sidewall liners
-
- 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
- H01L23/5226—Via connections in a multilevel interconnection structure
-
- 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—Layout of the interconnection structure
-
- 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
- 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
-
- 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
-
- 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
- H10B43/40—EEPROM devices comprising charge-trapping gate insulators characterised by the peripheral circuit region
-
- 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
- H10B43/50—EEPROM devices comprising charge-trapping gate insulators characterised by the boundary region between the core and peripheral circuit regions
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/01—Manufacture or treatment
- H10D64/031—Manufacture or treatment of data-storage electrodes
- H10D64/037—Manufacture or treatment of data-storage electrodes comprising charge-trapping insulators
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Geometry (AREA)
- Semiconductor Memories (AREA)
- Non-Volatile Memory (AREA)
Description
240 共通ソースプレート(CSP)
245 CSP内の絶縁パターン
300 支持膜
315 支持膜内の絶縁パターン
380 チャネル
385 ダミーチャネル
482、484、486 ゲート電極
533、535、537、543、545、547 埋込パターン
532、534、536、542、544、546、743、745、747 スペーサー
572、574、576、600 コンタクトプラグ
610 貫通ビア
Claims (25)
- 基板と、
前記基板の上面に垂直な第1方向に沿って前記基板上に互いに離隔して階段形状に積層されたゲート電極と、
前記ゲート電極を貫通して前記第1方向に延びたチャネルと、
前記ゲート電極のうちの1つである第1ゲート電極のパッドを貫通し、その上面に接触し、前記第1ゲート電極の真下層に形成された第2ゲート電極の少なくとも一部を貫通する少なくとも1つの第1コンタクトプラグと、
前記少なくとも1つの第1コンタクトプラグとこれに対向する前記第1及び第2ゲート電極の側壁との間に形成されて前記第1コンタクトプラグと前記第2ゲート電極を絶縁させる第1スペーサーと、
前記ゲート電極のうち最下層に形成された第3ゲート電極よりも上に配設され、前記第1コンタクトプラグ及び前記第1スペーサーの底面に接触し、絶縁物質を含む第1埋込パターンとを備える、垂直型メモリ装置。 - 前記少なくとも1つの第1コンタクトプラグは、
前記第1ゲート電極及び前記第2ゲート電極の少なくとも一部を貫通する下部と、
前記下部上に形成されて、これに連結され、前記基板の上面に平行な第2方向に前記下部より大きい幅を有する上部とを含む、請求項1に記載の垂直型メモリ装置。 - 前記第1コンタクトプラグの前記上部の側壁をカバーし、前記第1スペーサーと同一な物質を含む第2スペーサーをさらに含む、請求項2に記載の垂直型メモリ装置。
- 前記第1スペーサーの最大厚さは前記第2スペーサーの厚さと同一である、請求項3に記載の垂直型メモリ装置。
- 前記第2スペーサーの外側壁に形成され、前記第1埋込パターンと同一な物質を含む第3スペーサーをさらに含む、請求項3に記載の垂直型メモリ装置。
- 前記第1埋込パターンは前記第2ゲート電極とその真下層のゲート電極との間に延びて、前記第2方向への幅は前記第3スペーサーの外側壁の間の距離と同一である、請求項5に記載の垂直型メモリ装置。
- 前記第1埋込パターンと同一な物質を含み、前記第1及び第2ゲート電極の間に形成されて前記第1スペーサーの外側壁を囲み、その外側壁がなす幅が前記第3スペーサーの外側壁がなす幅と同一な第2埋込パターンをさらに含む、請求項6に記載の垂直型メモリ装置。
- 前記第1埋込パターンは前記第2ゲート電極の真下層に形成された少なくとも1つのゲート電極を貫通する、請求項1に記載の垂直型メモリ装置。
- 前記第1スペーサー及び前記第1埋込パターンはシリコン酸化物を含む、請求項1に記載の垂直型メモリ装置。
- 前記ゲート電極各々の上面、下面、及び一部の側壁をカバーし、金属酸化物を含むブロッキングパターンをさらに含み、
前記第1スペーサーは前記第1コンタクトプラグと対向する前記第1及び第2ゲート電極各々の側壁に直接接触する、請求項1に記載の垂直型メモリ装置。 - 前記ゲート電極は各々、前記基板の上面に平行な第2方向に延び、
前記第1コンタクトプラグは前記第2方向に沿って前記ゲート電極のパッドを各々貫通するように複数個形成されている、請求項1に記載の垂直型メモリ装置。 - 前記ゲート電極のうちの相対的に下層のゲート電極のパッドを貫通する第1コンタクトプラグの底面の高さが前記ゲート電極のうちの相対的に上層のゲート電極のパッドを貫通する第1コンタクトプラグの底面の高さより低い、請求項11に記載の垂直型メモリ装置。
- 前記第1コンタクトプラグは各々、前記第2ゲート電極及びこれより下層に積層された少なくとも1つ以上の第4ゲート電極をさらに貫通し、
前記ゲート電極のうちの相対的に上層のゲート電極のパッドを貫通する第1コンタクトプラグが貫通する前記第4ゲート電極の個数は、前記ゲート電極のうちの相対的に下層のゲート電極のパッドを貫通する第1コンタクトプラグが貫通する前記第4ゲート電極の個数より多いか同一である、請求項11に記載の垂直型メモリ装置。 - 前記基板上に形成された下部回路パターンと、
前記基板上に形成されて前記下部回路パターンをカバーする層間絶縁膜と、
前記層間絶縁膜上に形成された共通ソースプレート(CSP)をさらに含み、
前記ゲート電極は前記CSP上に形成されている、請求項1に記載の垂直型メモリ装置。 - 前記第3ゲート電極のパッドを貫通し、その上面に接触し、前記CSPの一部まで延びる第2コンタクトプラグと、
前記第2コンタクトプラグに対向する前記第3ゲート電極の側壁から前記CSPの一部まで延びて、前記第2コンタクトプラグを囲む第4スペーサーと、
前記CSP内に形成されて前記第2コンタクトプラグ及び前記第4スペーサーの底面に接触する第1絶縁パターンをさらに含む、請求項14に記載の垂直型メモリ装置。 - 前記CSPと前記第3ゲート電極との間に順次に積層されたチャネル連結パターン及び支持膜をさらに含み、
前記第2コンタクトプラグ及び前記第4スペーサーは前記チャネル連結パターン及び前記支持膜を貫通する、請求項15に記載の垂直型メモリ装置。 - 前記チャネルは前記CSP上で前記基板の上面に平行な水平方向に互いに離隔するように複数個形成され、
前記チャネル連結パターンは前記チャネルに接触してこれらを互いに連結させる、請求項16に記載の垂直型メモリ装置。 - 前記第1ゲート電極のパッド、その下層に形成されたゲート電極、前記支持膜及び前記チャネル連結パターンを貫通して前記CSPに接触し、前記チャネル各々と同一な物質を含むダミーチャネルをさらに含む、請求項17に記載の垂直型メモリ装置。
- 前記ダミーチャネルは前記第1ゲート電極のパッド内で前記第1コンタクトプラグと離隔するように複数個形成されている、請求項18に記載の垂直型メモリ装置。
- 前記ゲート電極のうち、下から2番目の層に形成された第5ゲート電極のパッド及び前記第3ゲート電極を貫通し、前記第5ゲート電極の上面に接触し、前記支持膜の一部まで延びる第3コンタクトプラグと、
前記第3コンタクトプラグとこれに対向する前記第3及び第5ゲート電極の側壁の間に形成されて前記第3コンタクトプラグと前記第3ゲート電極を絶縁させる第5スペーサーと、
前記支持膜内に形成されて前記第3コンタクトプラグ及び前記第5スペーサーの底面に接触する第2絶縁パターンをさらに含む、請求項16に記載の垂直型メモリ装置。 - 基板と、
前記基板の上面に垂直な垂直方向に沿って前記基板上に互いに離隔して階段形状に積層されたゲート電極と、
前記ゲート電極各々の上下面及び一部の側壁をカバーするブロッキングパターンと、
前記ゲート電極を貫通して前記垂直方向に延びたチャネルと、
前記ゲート電極のうちの1つである第1ゲート電極のパッドを貫通し、その上面に直接接触し、前記第1ゲート電極の真下層に形成された第2ゲート電極の少なくとも一部を貫通するコンタクトプラグと、
前記コンタクトプラグとこれに対向する前記第1及び第2ゲート電極の側壁の間に形成されて前記コンタクトプラグと前記第2ゲート電極を絶縁させる第1スペーサーと、
前記ゲート電極のうち最下層に形成された第3ゲート電極よりも上に配設され、前記コンタクトプラグ及び前記第1スペーサーの底面に接触し、絶縁物質を含む第1埋込パターンと、を含み、
前記ブロッキングパターンは前記コンタクトプラグに対向する前記第1及び第2ゲート電極各々の側壁をカバーせず、これによって前記第1スペーサーは前記コンタクトプラグと対向する前記第1及び第2ゲート電極各々の側壁に直接接触する、垂直型メモリ装置。 - 前記コンタクトプラグは、
前記第1ゲート電極及び前記第2ゲート電極の少なくとも一部を貫通する下部と、
前記下部上に形成されてこれに連結され、前記基板の上面に平行な水平方向に前記下部より大きい幅を有する上部を含む、請求項21に記載の垂直型メモリ装置。 - 前記コンタクトプラグの前記上部の側壁をカバーし、前記第1スペーサーと同一な物質を含む第2スペーサーをさらに含む、請求項22に記載の垂直型メモリ装置。
- 前記ブロッキングパターンは前記垂直方向に前記第2スペーサーにオーバーラップされる前記第1ゲート電極の上面部分はカバーせず、これによって前記第2スペーサーは前記第1ゲート電極の上面部分に直接接触する、請求項23に記載の垂直型メモリ装置。
- 基板上に形成された下部回路パターンと、
前記下部回路パターン上に形成された共通ソースプレート(CSP)と、
前記基板の上面に垂直な第1方向に沿って前記CSP上に互いに離隔して階段形状に積層されたゲート電極と、
前記ゲート電極を貫通して前記第1方向に延びたチャネルと、
前記ゲート電極のうちの1つである第1ゲート電極のパッドを貫通し、その上面に接触し、前記第1ゲート電極の真下層に形成された第2ゲート電極の少なくとも一部を貫通する少なくとも1つの第1コンタクトプラグと、
前記少なくとも1つの第1コンタクトプラグとこれに対向する前記第1及び第2ゲート電極の側壁の間に形成されて前記第1コンタクトプラグと前記第2ゲート電極を絶縁させる第1スペーサーと、
前記ゲート電極のうち最下層に形成された第3ゲート電極よりも上に配設され、前記第1コンタクトプラグ及び前記第1スペーサーの底面に接触し、絶縁物質を含む第1埋込パターンと、
前記第3ゲート電極のパッドを貫通し、その上面に接触し、前記CSPの一部まで延びる第2コンタクトプラグと、
前記第2コンタクトプラグに対向する前記第3ゲート電極の側壁から前記CSPの一部まで延びて、前記第2コンタクトプラグを囲む第4スペーサーと、
前記CSP内に形成されて前記第2コンタクトプラグ及び前記第4スペーサーの底面に接触する第1絶縁パターンを含む、垂直型メモリ装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020190131640A KR102740535B1 (ko) | 2019-10-22 | 2019-10-22 | 수직형 메모리 장치 |
KR10-2019-0131640 | 2019-10-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021068883A JP2021068883A (ja) | 2021-04-30 |
JP7593563B2 true JP7593563B2 (ja) | 2024-12-03 |
Family
ID=75268616
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020112565A Active JP7593563B2 (ja) | 2019-10-22 | 2020-06-30 | 垂直型メモリ装置 |
Country Status (6)
Country | Link |
---|---|
US (3) | US11289507B2 (ja) |
JP (1) | JP7593563B2 (ja) |
KR (1) | KR102740535B1 (ja) |
CN (1) | CN112701126B (ja) |
DE (1) | DE102020110525A1 (ja) |
SG (1) | SG10202004705UA (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102624625B1 (ko) * | 2018-04-20 | 2024-01-12 | 삼성전자주식회사 | 수직형 메모리 장치 및 그 제조 방법 |
JP2021086884A (ja) * | 2019-11-26 | 2021-06-03 | キオクシア株式会社 | 半導体記憶装置 |
KR102735208B1 (ko) * | 2019-12-19 | 2024-11-27 | 삼성전자주식회사 | 수직형 메모리 장치 |
JP2021136270A (ja) * | 2020-02-25 | 2021-09-13 | キオクシア株式会社 | 半導体記憶装置およびその製造方法 |
KR20220040143A (ko) * | 2020-09-23 | 2022-03-30 | 삼성전자주식회사 | 반도체 장치 및 이를 포함하는 전자 시스템 |
KR20220043315A (ko) * | 2020-09-29 | 2022-04-05 | 삼성전자주식회사 | 메모리 소자 |
US11515250B2 (en) * | 2021-02-03 | 2022-11-29 | Sandisk Technologies Llc | Three dimensional semiconductor device containing composite contact via structures and methods of making the same |
KR20220168000A (ko) * | 2021-06-15 | 2022-12-22 | 에스케이하이닉스 주식회사 | 반도체 장치 및 그 제조 방법 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9214569B2 (en) | 2013-11-18 | 2015-12-15 | Samsung Electronics Co., Ltd. | Memory device |
US9853038B1 (en) | 2017-01-20 | 2017-12-26 | Sandisk Technologies Llc | Three-dimensional memory device having integrated support and contact structures and method of making thereof |
US9991271B2 (en) | 2016-06-09 | 2018-06-05 | Samsung Electronics Co., Ltd. | Integrated circuit device including vertical memory device and method of manufacturing the same |
JP2018163981A (ja) | 2017-03-24 | 2018-10-18 | 東芝メモリ株式会社 | 半導体装置およびその製造方法 |
US20180350879A1 (en) | 2017-06-01 | 2018-12-06 | Sandisk Technologies Llc | Three-dimensional memory device with through-stack contact via structures and method of making thereof |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009016400A (ja) | 2007-06-29 | 2009-01-22 | Toshiba Corp | 積層配線構造体及びその製造方法並びに半導体装置及びその製造方法 |
US8828884B2 (en) | 2012-05-23 | 2014-09-09 | Sandisk Technologies Inc. | Multi-level contact to a 3D memory array and method of making |
KR102037840B1 (ko) * | 2013-04-11 | 2019-10-29 | 삼성전자주식회사 | 반도체 장치의 연결구조 및 제조 방법 |
KR102298605B1 (ko) * | 2015-01-14 | 2021-09-06 | 삼성전자주식회사 | 수직형 메모리 장치 및 이의 제조 방법 |
KR102551350B1 (ko) * | 2016-01-28 | 2023-07-04 | 삼성전자 주식회사 | 수직형 메모리 소자를 구비한 집적회로 소자 및 그 제조 방법 |
US9768233B1 (en) | 2016-03-01 | 2017-09-19 | Toshiba Memory Corporation | Semiconductor device and method of manufacturing the same |
KR102604053B1 (ko) * | 2016-05-09 | 2023-11-20 | 삼성전자주식회사 | 수직형 메모리 장치 |
KR102695463B1 (ko) * | 2016-07-11 | 2024-08-14 | 삼성전자주식회사 | 수직형 메모리 장치 |
US20180197874A1 (en) | 2017-01-11 | 2018-07-12 | Toshiba Memory Corporation | Semiconductor device and method for manufacturing same |
US10262936B2 (en) | 2017-02-08 | 2019-04-16 | Toshiba Memory Corporation | Semiconductor device and manufacturing method thereof |
KR102522164B1 (ko) * | 2017-11-20 | 2023-04-17 | 삼성전자주식회사 | 3차원 반도체 메모리 장치 및 그 제조 방법 |
US10304852B1 (en) * | 2018-02-15 | 2019-05-28 | Sandisk Technologies Llc | Three-dimensional memory device containing through-memory-level contact via structures |
KR102624625B1 (ko) * | 2018-04-20 | 2024-01-12 | 삼성전자주식회사 | 수직형 메모리 장치 및 그 제조 방법 |
CN109411481A (zh) | 2018-11-07 | 2019-03-01 | 长江存储科技有限责任公司 | 一种半导体器件及其制造方法 |
-
2019
- 2019-10-22 KR KR1020190131640A patent/KR102740535B1/ko active IP Right Grant
-
2020
- 2020-04-17 DE DE102020110525.8A patent/DE102020110525A1/de active Pending
- 2020-04-20 US US16/853,047 patent/US11289507B2/en active Active
- 2020-05-20 SG SG10202004705UA patent/SG10202004705UA/en unknown
- 2020-06-30 JP JP2020112565A patent/JP7593563B2/ja active Active
- 2020-07-31 CN CN202010756081.3A patent/CN112701126B/zh active Active
-
2022
- 2022-03-28 US US17/705,513 patent/US11778826B2/en active Active
-
2023
- 2023-09-20 US US18/370,543 patent/US20240015968A1/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9214569B2 (en) | 2013-11-18 | 2015-12-15 | Samsung Electronics Co., Ltd. | Memory device |
US9991271B2 (en) | 2016-06-09 | 2018-06-05 | Samsung Electronics Co., Ltd. | Integrated circuit device including vertical memory device and method of manufacturing the same |
US9853038B1 (en) | 2017-01-20 | 2017-12-26 | Sandisk Technologies Llc | Three-dimensional memory device having integrated support and contact structures and method of making thereof |
JP2018163981A (ja) | 2017-03-24 | 2018-10-18 | 東芝メモリ株式会社 | 半導体装置およびその製造方法 |
US20180350879A1 (en) | 2017-06-01 | 2018-12-06 | Sandisk Technologies Llc | Three-dimensional memory device with through-stack contact via structures and method of making thereof |
Also Published As
Publication number | Publication date |
---|---|
JP2021068883A (ja) | 2021-04-30 |
US20210118902A1 (en) | 2021-04-22 |
SG10202004705UA (en) | 2021-05-28 |
CN112701126B (zh) | 2024-11-29 |
US20220216234A1 (en) | 2022-07-07 |
KR102740535B1 (ko) | 2024-12-09 |
US11289507B2 (en) | 2022-03-29 |
US20240015968A1 (en) | 2024-01-11 |
CN112701126A (zh) | 2021-04-23 |
DE102020110525A1 (de) | 2021-04-22 |
KR20210047717A (ko) | 2021-04-30 |
US11778826B2 (en) | 2023-10-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP7593563B2 (ja) | 垂直型メモリ装置 | |
US11696442B2 (en) | Vertical memory devices and methods of manufacturing the same | |
US20230354594A1 (en) | Vertical memory devices | |
KR102541001B1 (ko) | 수직형 메모리 장치 | |
KR102695710B1 (ko) | 수직형 메모리 장치 | |
US11877451B2 (en) | Vertical memory devices | |
US10950704B2 (en) | Vertical memory devices | |
KR102697910B1 (ko) | 수직형 메모리 장치 | |
JP7601571B2 (ja) | 垂直型メモリ装置 | |
TWI843223B (zh) | 去耦電容結構和包括其的半導體裝置 | |
KR20210092916A (ko) | 배선 구조물 및 이를 포함하는 수직형 메모리 장치 | |
US20190378850A1 (en) | Vertical memory devices | |
KR20210129426A (ko) | 수직형 메모리 장치 | |
US20250024677A1 (en) | Semiconductor devices | |
US20240276719A1 (en) | Vertical memory device | |
US20240179914A1 (en) | Semiconductor device | |
KR20240092902A (ko) | 반도체 장치 | |
KR20210032271A (ko) | 반도체 장치 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20230425 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20240522 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20240604 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20240830 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20241022 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20241108 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7593563 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |