JP2020096165A - チャンネル構造体を有する半導体素子 - Google Patents
チャンネル構造体を有する半導体素子 Download PDFInfo
- Publication number
- JP2020096165A JP2020096165A JP2019150415A JP2019150415A JP2020096165A JP 2020096165 A JP2020096165 A JP 2020096165A JP 2019150415 A JP2019150415 A JP 2019150415A JP 2019150415 A JP2019150415 A JP 2019150415A JP 2020096165 A JP2020096165 A JP 2020096165A
- Authority
- JP
- Japan
- Prior art keywords
- dummy
- ghost
- layer
- cell
- channel
- 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.)
- Pending
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 76
- 238000002955 isolation Methods 0.000 claims abstract description 140
- 239000000758 substrate Substances 0.000 claims abstract description 52
- 238000003860 storage Methods 0.000 claims description 80
- 239000000463 material Substances 0.000 claims description 13
- 238000000926 separation method Methods 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000010354 integration Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 27
- 238000005520 cutting process Methods 0.000 description 13
- 239000002184 metal Substances 0.000 description 12
- 229910052751 metal Inorganic materials 0.000 description 12
- 229910052814 silicon oxide Inorganic materials 0.000 description 12
- 230000002093 peripheral effect Effects 0.000 description 11
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 11
- 229920005591 polysilicon Polymers 0.000 description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 10
- 229910052581 Si3N4 Inorganic materials 0.000 description 6
- 230000007547 defect Effects 0.000 description 6
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 6
- 125000006850 spacer group Chemical group 0.000 description 6
- 238000005530 etching Methods 0.000 description 5
- 229910044991 metal oxide Inorganic materials 0.000 description 5
- 150000004706 metal oxides Chemical class 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 150000004767 nitrides Chemical class 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
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002070 nanowire Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
Images
Classifications
-
- 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
- H10B41/10—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates 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
- H10B43/30—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
- 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
- H01L29/788—Field effect transistors with field effect produced by an insulated gate with floating gate
-
- 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
- H01L21/70—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
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
-
- 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
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
- H01L21/8232—Field-effect technology
- H01L21/8234—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type
- H01L21/823412—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type with a particular manufacturing method of the channel structures, e.g. channel implants, halo or pocket implants, or channel materials
-
- 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
- H01L23/5286—Arrangements of power or ground buses
-
- 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
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/417—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions carrying the current to be rectified, amplified or switched
- H01L29/41725—Source or drain electrodes for field effect devices
- H01L29/4175—Source or drain electrodes for field effect devices for lateral devices where the connection to the source or drain region is done through at least one part of the semiconductor substrate thickness, e.g. with connecting sink or with via-hole
-
- 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
- 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
- H10B41/00—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates
- H10B41/40—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by the peripheral circuit region
- H10B41/41—Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates characterised by the peripheral circuit region of a memory region comprising 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
- 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
- H10B43/50—EEPROM devices comprising charge-trapping gate insulators characterised by the boundary region between the core and peripheral circuit regions
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Geometry (AREA)
- Semiconductor Memories (AREA)
- Non-Volatile Memory (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Abstract
Description
23 素子分離層
25 トランジスタ
27 第1絶縁層
29 周辺回路配線
31 下部埋め込み導電層
33 中間埋め込み導電層
34 ソースモールド層
34A 下部ソースモールド層
34B 上部ソースモールド層
34M 中間ソースモールド層
34UC アンダーカット領域
35 代替導電性ライン(ソースライン)
37 支持板
38 第2絶縁層
40 非活性積層構造体
40A 活性積層構造体
41 絶縁層
43 モールド層
43G ギャップ領域
45 電極層
51 第1マスクパターン
53 セルチャンネルホール
53D ダミーチャンネルホール
54 セルゴーストホール
54D ダミーゴーストホール
58 選択ライン分離パターン
62、262 トンネル絶縁層
63、263 電荷保存層
64、264 ブロック層
65、265 情報保存パターン
66、266 チャンネルパターン
67、267 コアパターン
68、268 ビットパッド
69、269 セルチャンネル構造体(第1チャンネル構造体)
69D、269D ダミーチャンネル構造体(第2チャンネル構造体)
72 ゴーストトンネル層
73 ゴースト電荷保存層
73R ゴースト交換層
73G 微小ギャップ(narrow gap)
74 ゴーストブロック層
75 ダミーゴースト情報保存パターン
75R セルゴースト情報保存パターン
76 ゴーストチャンネル
77 ゴーストコア
78 パッド
79 ダミーゴーストパターン(第2パターン)
79R セルゴーストパターン(第1パターン)
81、281 第3絶縁層
83、283 セル分離トレンチ
83D ダミー分離トレンチ
84 犠牲スペーサ
85、285 分離絶縁層
140、240 下部、上部非活性積層構造体
140A、240A 下部、上部活性積層構造体
141、241 下部、上部絶縁層
143、243 下部、上部モールド層
143G、243G 下部、上部ギャップ領域
145、245 下部、上部電極層
153、253 下部、上部セルチャンネルホール
153D、153D 下部、上部ダミーチャンネルホール
154、254 下部、上部セルゴーストホール
154D、254D 下部、上部ダミーゴーストホール
165 第1犠牲層
166 第2犠牲層
167 第3犠牲層
169 下部犠牲チャンネル構造体
175 第1ダミーパターン
176 第2ダミーパターン
176R 第2ダミー交換パターン
177 第3ダミーパターン
179、279 下部、上部ダミーゴーストパターン
179R、279R 下部、上部セルゴーストパターン
251 第2マスクパターン
272 上部ゴーストトンネル層
273 上部ゴースト電荷保存層
273R 上部ゴースト交換層
274 上部ゴーストブロック層
275 上部ダミーゴースト情報保存パターン
275R 上部セルゴースト情報保存パターン
276 上部ゴーストチャンネル
277 上部ゴーストコア
278 上部パッド
CE 第1領域(セル領域)
DM 第2領域(ダミー領域)
WC セル分離領域
DWC ダミー分離領域
Claims (20)
- 基板上に複数の絶縁層と複数の配線層とが交互に積層された積層構造体と、
前記積層構造体を第1方向に横切る分離領域と、
前記第1方向に垂直な第2方向に前記積層構造体内に延びる複数の第1チャンネル構造体と、
前記分離領域内に配置され、前記第2方向に前記積層構造体内に延びる複数の第1パターンと、を備え、
前記複数の第1パターンの底は、前記複数の第1チャンネル構造体の底よりも前記基板の上面から前記第2方向に更に遠く離れることを特徴とする半導体素子。 - 前記複数の第1パターンの底は、前記複数の配線層のうちの最下層よりも前記基板の上面から前記第2方向に更に遠く離れることを特徴とする請求項1に記載の半導体素子。
- 前記複数の第1パターンの各々の水平幅は、前記複数の第1チャンネル構造体の各々の水平幅よりも狭いことを特徴とする請求項1に記載の半導体素子。
- 前記積層構造体内に延びる複数の第1チャンネル構造体は、各々第1断面形状を有し、
前記積層構造体内に延びる複数の第1パターンは、各々前記第1断面形状と異なる第2断面形状を有することを特徴とする請求項1に記載の半導体素子。 - 前記分離領域内に配置され、前記積層構造体を介して延びる分離トレンチと、
前記分離トレンチ内の分離絶縁層と、を更に含み、
前記複数の第1パターンの少なくとも一部は、前記分離トレンチと境界をなすことを特徴とする請求項1に記載の半導体素子。 - 第1領域及び前記第1領域に隣接する第2領域を有する基板と、
前記基板上の前記第2領域内に複数の絶縁層と複数のダミー層とが交互に積層された第1積層構造体と、
前記第1積層構造体を第1方向に横切る分離領域と、
前記第1積層構造体内に前記第1方向に垂直な第2方向に延びる複数のダミーチャンネル構造体と、
前記分離領域内に配置され、前記第1積層構造体内に前記第2方向に延びる複数のダミーパターンと、を備え、
前記複数のダミーパターンの底は、前記複数のダミーチャンネル構造体の底よりも前記基板の上面から前記第2方向に更に遠く離れることを特徴とする半導体素子。 - 前記複数のダミーパターンの底は、前記複数のダミー層のうちの最下層よりも前記基板の上面から更に遠く離れることを特徴とする請求項6に記載の半導体素子。
- 前記複数のダミーチャンネル構造体のうちの互いに隣接する二つは、第1距離ほど離隔し、
前記二つのダミーチャンネル構造体のうちの一つに隣接する前記複数のダミーパターンのうちの一つは、前記二つのダミーチャンネル構造体のうちの隣接する一つから前記第1距離ほど離隔することを特徴とする請求項6に記載の半導体素子。 - 前記基板上の前記第1領域内に複数の絶縁層と複数の電極層とが交互に積層された第2積層構造体と、
前記第2積層構造体を前記第1方向に横切るセル分離領域と、
前記第2積層構造体内に前記第2方向に延びる複数のセルチャンネル構造体と、を更に含むことを特徴とする請求項6に記載の半導体素子。 - 前記第2積層構造体内に前記第2方向に延びる複数のセルパターンを更に含み、
前記複数のセルパターンの底は、前記複数のセルチャンネル構造体の底よりも前記基板の上面から前記第2方向に更に遠く離れることを特徴とする請求項9に記載の半導体素子。 - 前記セル分離領域内に配置され、前記第2積層構造体を貫通するセル分離トレンチと、
前記セル分離トレンチ内の分離絶縁層と、を更に含み、
前記セル分離トレンチは、前記複数のセルパターンを貫通することを特徴とする請求項10に記載の半導体素子。 - 前記複数のセルチャンネル構造体及び前記複数のダミーチャンネル構造体の各々は、
チャンネルパターンと、
前記チャンネルパターンの外側を囲む情報保存パターンと、を含み、
前記情報保存パターンは、
前記チャンネルパターンの外側を囲むトンネル絶縁層と、
前記トンネル絶縁層の外側を囲む電荷保存層と、
前記電荷保存層の外側を囲むブロック層と、を含むことを特徴とする請求項11に記載の半導体素子。 - 前記複数のダミーパターンの各々は、
ダミーチャンネルパターンと、
前記ダミーチャンネルパターンの外側を囲むダミー情報保存パターンと、を含み、
前記ダミー情報保存パターンは、
前記ダミーチャンネルパターンの外側を囲むダミートンネル層と、
前記ダミートンネル層の外側を囲むダミー電荷保存層と、
前記ダミー電荷保存層の外側を囲むダミーブロック層と、を含み、
前記ダミーパターンの前記ダミーチャンネルパターン、前記ダミートンネル層、前記ダミー電荷保存層、及び前記ダミーブロック層の各々は、前記ダミーチャンネル構造体の前記チャンネルパターン、前記トンネル絶縁層、前記電荷保存層、及び前記ブロック層のうちの対応する一つと同一の物質を含むことを特徴とする請求項12に記載の半導体素子。 - 前記複数のセルパターンの各々は、
チャンネルと、
前記チャンネルと前記第2積層構造体との間に配置されたセル情報保存パターンと、を含み、
前記セル情報保存パターンは、
前記チャンネルと前記第2積層構造体との間のトンネル層と、
前記トンネル層と前記第2積層構造体との間の交換層と、
前記交換層と前記第2積層構造体との間のブロック層と、を含み、
前記セルパターンの前記チャンネル、前記トンネル層、及び前記ブロック層の各々は、前記セルチャンネル構造体の前記チャンネルパターン、前記トンネル絶縁層、及び前記ブロック層のうちの対応する一つと同一の物質を含むことを特徴とする請求項12に記載の半導体素子。 - 前記セルパターンの前記交換層は、前記セルチャンネル構造体の前記電荷保存層と異なる物質を含むことを特徴とする請求項14に記載の半導体素子。
- 前記セルパターンの前記交換層は、前記複数の電極層と同一の物質を含むことを特徴とする請求項14に記載の半導体素子。
- 基板上に複数の下部絶縁層と複数の下部配線層とが交互に積層された下部積層構造体と、
前記下部積層構造体上に複数の上部絶縁層と複数の上部配線層とが交互に積層された上部積層構造体と、
前記基板の上面に垂直な第2方向に配置され、前記上部積層構造体を貫通して前記下部積層構造体内に延びる複数のチャンネル構造体と、
前記上部積層構造体及び前記下部積層構造体を前記第2方向に垂直な第1方向に横切る分離領域と、
前記分離領域内に配置され、前記下部積層構造体内に延びる複数の下部パターンと、
前記分離領域内に配置され、前記上部積層構造体内に延びる複数の上部パターンと、を備え、
前記複数の下部パターンの底は、前記複数のチャンネル構造体の底よりも前記基板の上面から前記第2方向に更に遠く離れることを特徴とする半導体素子。 - 前記複数の下部パターンの上面は、前記下部積層構造体の上面と同一平面をなすことを特徴とする請求項17に記載の半導体素子。
- 前記上部パターンは、前記上部積層構造体を部分的に貫通して延びることを特徴とする請求項17に記載の半導体素子。
- 前記複数の下部パターンの底は、前記複数の下部配線層のうちの最下層よりも前記基板の上面から前記第2方向に更に遠く離れるように配置され、
前記複数の上部パターンの底は、前記複数の上部配線層のうちの最下層よりも前記基板の上面から前記第2方向に更に遠く離れるように配置されることを特徴とする請求項17に記載の半導体素子。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2018-0158743 | 2018-12-11 | ||
KR1020180158743A KR102460073B1 (ko) | 2018-12-11 | 2018-12-11 | 채널 홀을 갖는 반도체 소자 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2020096165A true JP2020096165A (ja) | 2020-06-18 |
Family
ID=70972202
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019150415A Pending JP2020096165A (ja) | 2018-12-11 | 2019-08-20 | チャンネル構造体を有する半導体素子 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10930664B2 (ja) |
JP (1) | JP2020096165A (ja) |
KR (1) | KR102460073B1 (ja) |
CN (1) | CN111312716B (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022189448A1 (en) | 2021-03-11 | 2022-09-15 | Merck Patent Gmbh | Substrate surface treating solution, and using the same, method for manufacturing cleaned substrate and method for manufacturing device |
JP2023003379A (ja) * | 2021-06-23 | 2023-01-11 | サンディスク テクノロジーズ エルエルシー | 半円sgdによる消去速度変動を補正するためのシステム及び方法 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11322516B2 (en) * | 2020-08-31 | 2022-05-03 | Micron Technology, Inc. | Microelectronic devices including isolation structures protruding into upper pillar portions, and related methods and systems |
KR20220037282A (ko) | 2020-09-17 | 2022-03-24 | 삼성전자주식회사 | 반도체 장치 및 이를 포함하는 전자 시스템 |
TWI759092B (zh) * | 2021-02-01 | 2022-03-21 | 鴻海精密工業股份有限公司 | 半導體裝置及半導體裝置製造方法 |
US20220336484A1 (en) * | 2021-04-16 | 2022-10-20 | Sandisk Technologies Llc | Three-dimensional memory device with isolated source strips and method of making the same |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015012296A (ja) * | 2013-06-27 | 2015-01-19 | 三星電子株式会社Samsung Electronics Co.,Ltd. | 半導体装置 |
US20150194435A1 (en) * | 2014-01-03 | 2015-07-09 | Chang-Hyun Lee | Vertical-type non-volatile memory devices having dummy channel holes |
JP2017135238A (ja) * | 2016-01-27 | 2017-08-03 | 東芝メモリ株式会社 | 半導体記憶装置及びその製造方法 |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100849852B1 (ko) * | 2005-08-09 | 2008-08-01 | 삼성전자주식회사 | 비휘발성 반도체 집적 회로 장치 및 이의 제조 방법 |
KR102044823B1 (ko) | 2013-02-25 | 2019-11-15 | 삼성전자주식회사 | 수직형 메모리 장치 및 그 제조 방법 |
KR20150116995A (ko) | 2014-04-09 | 2015-10-19 | 삼성전자주식회사 | 수직형 메모리 장치 |
KR102190350B1 (ko) * | 2014-05-02 | 2020-12-11 | 삼성전자주식회사 | 반도체 메모리 장치 및 그 제조 방법 |
KR102171263B1 (ko) * | 2014-08-21 | 2020-10-28 | 삼성전자 주식회사 | 제어된 다결정 반도체 박막을 포함하는 집적회로 소자 및 그 제조 방법 |
KR102244219B1 (ko) * | 2014-09-29 | 2021-04-27 | 삼성전자주식회사 | 메모리 장치 및 그 제조 방법 |
KR20160106972A (ko) | 2015-03-03 | 2016-09-13 | 에스케이하이닉스 주식회사 | 반도체 장치 및 그 제조방법 |
US9508730B2 (en) * | 2015-03-11 | 2016-11-29 | SK Hynix Inc. | Semiconductor device and manufacturing method thereof |
KR102282139B1 (ko) * | 2015-05-12 | 2021-07-28 | 삼성전자주식회사 | 반도체 장치 |
KR20160137103A (ko) | 2015-05-22 | 2016-11-30 | 에스케이하이닉스 주식회사 | 전자 장치 및 그 제조 방법 |
KR102551350B1 (ko) * | 2016-01-28 | 2023-07-04 | 삼성전자 주식회사 | 수직형 메모리 소자를 구비한 집적회로 소자 및 그 제조 방법 |
KR102604053B1 (ko) * | 2016-05-09 | 2023-11-20 | 삼성전자주식회사 | 수직형 메모리 장치 |
KR102618562B1 (ko) * | 2016-05-16 | 2023-12-27 | 삼성전자주식회사 | 반도체 칩 및 그 제조 방법 |
KR102626838B1 (ko) * | 2016-06-20 | 2024-01-18 | 삼성전자주식회사 | 수직형 비휘발성 메모리 소자 및 그 제조방법 |
KR20180012640A (ko) * | 2016-07-27 | 2018-02-06 | 삼성전자주식회사 | 수직형 메모리 소자 및 이의 제조방법 |
KR102607749B1 (ko) * | 2016-08-02 | 2023-11-29 | 에스케이하이닉스 주식회사 | 3차원 구조의 반도체 메모리 장치 |
KR102629454B1 (ko) | 2016-08-22 | 2024-01-26 | 에스케이하이닉스 주식회사 | 반도체 메모리 장치 |
KR102620596B1 (ko) * | 2016-08-22 | 2024-01-04 | 삼성전자주식회사 | 반도체 장치 |
JP2018157106A (ja) * | 2017-03-17 | 2018-10-04 | 東芝メモリ株式会社 | 記憶装置および容量素子 |
KR102333021B1 (ko) * | 2017-04-24 | 2021-12-01 | 삼성전자주식회사 | 반도체 장치 |
KR102380824B1 (ko) * | 2017-12-04 | 2022-03-31 | 삼성전자주식회사 | 반도체 소자 |
KR102630926B1 (ko) | 2018-01-26 | 2024-01-30 | 삼성전자주식회사 | 3차원 반도체 메모리 소자 |
KR102593706B1 (ko) * | 2018-07-12 | 2023-10-25 | 삼성전자주식회사 | 부분적으로 확대된 채널 홀을 갖는 반도체 소자 |
-
2018
- 2018-12-11 KR KR1020180158743A patent/KR102460073B1/ko active IP Right Grant
-
2019
- 2019-06-27 US US16/454,293 patent/US10930664B2/en active Active
- 2019-08-08 CN CN201910728227.0A patent/CN111312716B/zh active Active
- 2019-08-20 JP JP2019150415A patent/JP2020096165A/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015012296A (ja) * | 2013-06-27 | 2015-01-19 | 三星電子株式会社Samsung Electronics Co.,Ltd. | 半導体装置 |
US20150194435A1 (en) * | 2014-01-03 | 2015-07-09 | Chang-Hyun Lee | Vertical-type non-volatile memory devices having dummy channel holes |
JP2017135238A (ja) * | 2016-01-27 | 2017-08-03 | 東芝メモリ株式会社 | 半導体記憶装置及びその製造方法 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022189448A1 (en) | 2021-03-11 | 2022-09-15 | Merck Patent Gmbh | Substrate surface treating solution, and using the same, method for manufacturing cleaned substrate and method for manufacturing device |
KR20230155555A (ko) | 2021-03-11 | 2023-11-10 | 메르크 파텐트 게엠베하 | 기판 표면 처리액, 이를 이용한 세정된 기판의 제조 방법 및 디바이스의 제조 방법 |
JP2023003379A (ja) * | 2021-06-23 | 2023-01-11 | サンディスク テクノロジーズ エルエルシー | 半円sgdによる消去速度変動を補正するためのシステム及び方法 |
Also Published As
Publication number | Publication date |
---|---|
KR20200071241A (ko) | 2020-06-19 |
US10930664B2 (en) | 2021-02-23 |
CN111312716B (zh) | 2024-04-16 |
CN111312716A (zh) | 2020-06-19 |
KR102460073B1 (ko) | 2022-10-28 |
US20200185402A1 (en) | 2020-06-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US11626421B2 (en) | Vertical memory device and method of fabrication the same | |
KR102460073B1 (ko) | 채널 홀을 갖는 반도체 소자 | |
JP7430996B2 (ja) | 半導体素子 | |
US11393755B2 (en) | Three-dimensional semiconductor memory devices | |
KR101868047B1 (ko) | 비휘발성 메모리 장치 및 그 제조 방법 | |
KR102074982B1 (ko) | 비휘발성 메모리 장치 및 그 제조 방법 | |
US20200105783A1 (en) | Vertical memory devices | |
KR102633484B1 (ko) | 더미 패턴들을 갖는 반도체 소자들 | |
KR20130045047A (ko) | 3차원 구조의 비휘발성 메모리 소자 및 그 제조 방법 | |
US11557603B2 (en) | Semiconductor devices | |
US11882701B2 (en) | Semiconductor device including multi-stack structure | |
US11894301B2 (en) | Vertical memory devices | |
US20210217765A1 (en) | Three-dimensional semiconductor memory device | |
US9853052B1 (en) | Semiconductor device and method for manufacturing same | |
US11456316B2 (en) | Semiconductor device having word line separation layer | |
KR20100126951A (ko) | 불휘발성 메모리 소자 및 그 제조방법 | |
US12004353B2 (en) | Semiconductor devices including a contact structure that contacts a dummy channel structure | |
KR20220042566A (ko) | 수직형 메모리 장치 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20220707 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20230713 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20230718 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20231017 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20240116 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20240416 |