JP6095951B2 - 半導体装置及びその製造方法 - Google Patents
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- 239000004065 semiconductor Substances 0.000 title claims description 57
- 238000004519 manufacturing process Methods 0.000 title claims description 21
- 239000000463 material Substances 0.000 claims description 69
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 23
- 229920005591 polysilicon Polymers 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 20
- 230000000903 blocking effect Effects 0.000 claims description 17
- 238000005530 etching Methods 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- 239000000758 substrate Substances 0.000 claims description 14
- 239000011800 void material Substances 0.000 claims description 14
- 239000010410 layer Substances 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 239000012535 impurity Substances 0.000 claims description 11
- 239000011229 interlayer Substances 0.000 claims description 10
- 229910052732 germanium Inorganic materials 0.000 claims description 9
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims description 9
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 7
- 239000002041 carbon nanotube Substances 0.000 claims description 7
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 7
- 229910021389 graphene Inorganic materials 0.000 claims description 7
- 229910021332 silicide Inorganic materials 0.000 claims description 7
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims description 7
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 claims description 6
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims description 6
- 239000013078 crystal Substances 0.000 claims description 3
- 238000000151 deposition Methods 0.000 claims description 3
- 229910000577 Silicon-germanium Inorganic materials 0.000 claims 1
- 230000015654 memory Effects 0.000 description 62
- 230000008859 change Effects 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 230000001808 coupling effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 238000005019 vapor deposition process Methods 0.000 description 1
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- 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
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- 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
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- 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
- H01L29/66007—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
- H01L29/66825—Unipolar field-effect transistors with an insulated gate, i.e. MISFET with a floating gate
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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
- H01L21/02—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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/28008—Making conductor-insulator-semiconductor electrodes
- H01L21/28017—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon
- H01L21/28026—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor
- H01L21/28035—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the final conductor layer next to the insulator being silicon, e.g. polysilicon, with or without impurities
- H01L21/28044—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the final conductor layer next to the insulator being silicon, e.g. polysilicon, with or without impurities the conductor comprising at least another non-silicon conductive layer
- H01L21/28052—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the final conductor layer next to the insulator being silicon, e.g. polysilicon, with or without impurities the conductor comprising at least another non-silicon conductive layer the conductor comprising a silicide layer formed by the silicidation reaction of silicon with a metal layer
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- 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
- H01L29/66007—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
- H01L29/66666—Vertical transistors
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- 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
- H01L29/7889—Vertical transistors, i.e. transistors having source and drain not in the same horizontal plane
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Semiconductor Memories (AREA)
- Non-Volatile Memory (AREA)
Description
BL …ビットライン
C …コーナー部
CG …コントロールゲート
CH …チャンネル膜
FG …フローティングゲート
Iread …読込み電流
I1,I2 …干渉
L1…フローティングゲート長さ
L2…フローティングゲートと重畳する突出部長さ
L3 …離間距離
LSG …下部選択ゲート
P …突出部
R1 …第1リセス領域
R2 …第2リセス領域
R3 …第3リセス領域
SUB …基板
t1…第1リセス領域の厚さ(第1の厚さ)
t2…第2リセス領域の厚さ(第2の厚さ)
t3…第3リセス領域の第2物質膜の一部のエッチング厚さ
USG …上部選択ゲート
V …ボイド
k …段差
W1…フローティングゲート厚さ
W2…コントロールゲート厚さ
W3…突出部厚さ
1 …チャンネルホール
11 …トンネル絶縁膜
12 …電荷遮断膜
13 …層間絶縁膜
61 …第1物質膜
62 …第2物質膜
63 …フローティングゲート
64 …トンネル絶縁膜
65 …チャンネル膜
65a …突出部
66 …電荷遮断膜
67 …コントロールゲート
100 …メモリシステム
110 …メモリコントローラ
111…SRAM
112…CPU
113…ホストI/F(インターフェース)
114…ECC
115…メモリI/F(インタフェース)
120 …不揮発性メモリ素子
200 …コンピューティングシステム
210…メモリシステム
211 …メモリコントローラ
212 …不揮発性メモリ素子
220 …CPU
230…RAM
240…ユーザインタフェース
250…モデム
260 …システムバス
Claims (23)
- 基板から突出されて側壁に突出部を有するチャンネル膜と、
前記チャンネル膜を取り囲みながら前記突出部の間に形成されたフローティングゲートと、
前記フローティングゲートを取り囲みながら前記チャンネル膜に沿って積層されたコントロールゲートと、
前記積層されたコントロールゲートの間に介在された層間絶縁膜と、
を含み、
前記フローティングゲートの側面と前記突出部の側面とは段差を有し、
前記突出部は、金属膜または不純物がドープされたポリシリコン膜で形成されたことを特徴とする半導体装置。 - 前記フローティングゲートの側面は、前記突出部の側面よりも更に突出したことを特徴とする請求項1に記載の半導体装置。
- 前記フローティングゲートは、前記コントロールゲートと同一または異なる厚さを有することを特徴とする請求項1に記載の半導体装置。
- 前記チャンネル膜は、単結晶シリコン膜、多結晶ポリシリコン膜、非晶質シリコン膜、単結晶ゲルマニウム膜、多結晶ポリゲルマニウム膜、非晶質ゲルマニウム膜、単結晶シリコンゲルマニウム膜、多結晶ポリシリコンゲルマニウム膜、非晶質シリコンゲルマニウム膜、金属膜、シリサイド膜、カーボンナノチューブ及びグラフィンのうちの少なくとも何れか一つを含むことを特徴とする請求項1に記載の半導体装置。
- 前記フローティングゲート及び前記コントロールゲートは、多結晶ポリシリコン膜、金属膜、シリサイド膜、カーボンナノチューブ及びグラフィンのうちの少なくとも何れか一つを含むことを特徴とする請求項1に記載の半導体装置。
- 積層された前記フローティングゲートの間に形成されたボイドを更に含むことを特徴とする請求項1に記載の半導体装置。
- 積層された前記フローティングゲートの間に形成されて前記コントロールゲートの間まで拡張されたボイドを更に含むことを特徴とする請求項1に記載の半導体装置。
- 前記コントロールゲートと前記フローティングゲートとの間に介在され、前記コントロールゲートの上部面及び下部面を取り囲む電荷遮断膜を更に含むことを特徴とする請求項1に記載の半導体装置。
- 前記チャンネル膜を取り囲むトンネル絶縁膜を更に含むことを特徴とする請求項1に記載の半導体装置。
- 前記フローティングゲートと重畳された前記突出部の長さは、前記フローティングゲートの長さの20%〜90%であることを特徴とする請求項1に記載の半導体装置。
- 前記フローティングゲートのコーナー部の曲率半径は0.002μm〜0.009μmであることを特徴とする請求項1に記載の半導体装置。
- 前記フローティングゲートの長さは、30nm以下であることを特徴とする請求項1に記載の半導体装置。
- 第1物質膜及び第2物質膜を交互に形成する段階と、
前記第1物質膜及び前記第2物質膜をエッチングしてチャンネルホールを形成する段階と、
前記チャンネルホールの内壁に露出した前記第1物質膜を第1の厚さエッチングして第1リセス領域を形成する段階と、
前記第1リセス領域内にフローティングゲートを形成する段階と、
前記チャンネルホールの内壁に露出した前記第2物質膜を第2の厚さエッチングして第2リセス領域を形成する段階と、
前記第2リセス領域が形成された前記チャンネルホール内に突出部を有するチャンネル膜を形成する段階と、
を含むことを特徴とする半導体装置の製造方法。 - 前記第1の厚さは、前記第2の厚さよりも大きい値を有することを特徴とする請求項13に記載の半導体装置の製造方法。
- 前記チャンネル膜を形成する段階は、
単結晶シリコン膜、多結晶ポリシリコン膜、非晶質シリコン膜、単結晶ゲルマニウム膜、多結晶ポリゲルマニウム膜、非晶質ゲルマニウム膜、単結晶シリコンゲルマニウム膜、多結晶ポリシリコンゲルマニウム膜、非晶質シリコンゲルマニウム膜、金属膜、シリサイド膜、カーボンナノチューブ及びグラフィンのうちの少なくとも何れか一つを含む前記チャンネル膜を形成することを特徴とする請求項13に記載の半導体装置の製造方法。 - 前記フローティングゲートは、多結晶ポリシリコン膜、金属膜、シリサイド膜、カーボンナノチューブ及びグラフィンのうちの少なくとも何れか一つを含むことを特徴とする請求項13に記載の半導体装置の製造方法。
- 前記チャンネル膜を形成する段階は、
ステップカバレッジの低い蒸着方式を利用し、前記第2リセス領域内にボイドを形成しながら前記チャンネル膜を形成することを特徴とする請求項13に記載の半導体装置の製造方法。 - 前記チャンネル膜を形成する段階は、
前記第2リセス領域内に金属膜または不純物がドープされたポリシリコン膜を埋め込んで前記突出部を形成する段階と、
前記突出部が形成された前記チャンネルホール内に不純物がドープされていないポリシリコン膜を形成する段階と、
を含むことを特徴とする請求項13に記載の半導体装置の製造方法。 - 前記チャンネル膜を形成する前に、前記第2リセス領域が形成された前記チャンネルホールの内面にトンネル絶縁膜を形成する段階を更に含むことを特徴とする請求項13に記載の半導体装置の製造方法。
- 前記第1物質膜を除去して第3リセス領域を形成する段階と、
前記第3リセス領域の内面に電荷遮断膜を形成する段階と、
前記電荷遮断膜が形成された前記第3リセス領域内にコントロールゲートを形成するための段階と、
を更に含むことを特徴とする請求項13に記載の半導体装置の製造方法。 - 前記コントロールゲートは、多結晶ポリシリコン膜、金属膜、シリサイド膜、カーボンナノチューブ及びグラフィンのうちの少なくとも何れか一つを含むことを特徴とする請求項20に記載の半導体装置の製造方法。
- 前記第3リセス領域を形成した後、等方性エッチング工程を利用して前記第3リセス領域を拡張させる段階を更に含むことを特徴とする請求項20に記載の半導体装置の製造方法。
- 前記コントロールゲートを形成した後、前記第2物質膜を除去して積層された前記コントロールゲートの間にボイドを形成する段階を更に含むことを特徴とする請求項20に記載の半導体装置の製造方法。
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JP2012246969A JP6095951B2 (ja) | 2012-11-09 | 2012-11-09 | 半導体装置及びその製造方法 |
KR1020120128799A KR101979458B1 (ko) | 2012-11-09 | 2012-11-14 | 반도체 장치 및 그 제조 방법 |
US13/714,264 US9012971B2 (en) | 2012-11-09 | 2012-12-13 | Semiconductor device and method of manufacturing the same |
US14/662,194 US9299714B2 (en) | 2012-11-09 | 2015-03-18 | Semiconductor device and method of manufacturing the same |
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US10910401B2 (en) | 2019-03-15 | 2021-02-02 | Toshiba Memory Corporation | Semiconductor device and method of manufacturing the same |
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KR102021887B1 (ko) * | 2013-12-09 | 2019-09-17 | 삼성전자주식회사 | 반도체 소자 |
US20160079252A1 (en) * | 2014-09-11 | 2016-03-17 | Kabushiki Kaisha Toshiba | Semiconductor memory device and method for manufacturing the same |
WO2016139725A1 (ja) * | 2015-03-02 | 2016-09-09 | 株式会社 東芝 | 半導体記憶装置及びその製造方法 |
TWI582962B (zh) * | 2015-07-06 | 2017-05-11 | Toshiba Kk | Semiconductor memory device and manufacturing method thereof |
TWI611560B (zh) | 2015-07-06 | 2018-01-11 | Toshiba Memory Corp | 半導體記憶裝置及其製造方法 |
US9929169B2 (en) | 2015-09-09 | 2018-03-27 | Toshiba Memory Corporation | Semiconductor device and method for manufacturing the same |
US9917099B2 (en) | 2016-03-09 | 2018-03-13 | Toshiba Memory Corporation | Semiconductor device having vertical channel between stacked electrode layers and insulating layers |
US10103155B2 (en) | 2016-03-09 | 2018-10-16 | Toshiba Memory Corporation | Semiconductor memory device |
CN107968151A (zh) * | 2016-10-20 | 2018-04-27 | 苏州大学 | 一种纳米复合体晶体管存储器及其制备方法 |
WO2019003060A1 (ja) * | 2017-06-27 | 2019-01-03 | 株式会社半導体エネルギー研究所 | 半導体装置、半導体ウェハ、記憶装置、及び電子機器 |
US10446572B2 (en) * | 2017-08-11 | 2019-10-15 | Micron Technology, Inc. | Void formation for charge trap structures |
US10680006B2 (en) | 2017-08-11 | 2020-06-09 | Micron Technology, Inc. | Charge trap structure with barrier to blocking region |
US10164009B1 (en) | 2017-08-11 | 2018-12-25 | Micron Technology, Inc. | Memory device including voids between control gates |
US10453855B2 (en) | 2017-08-11 | 2019-10-22 | Micron Technology, Inc. | Void formation in charge trap structures |
KR102518371B1 (ko) * | 2018-02-02 | 2023-04-05 | 삼성전자주식회사 | 수직형 메모리 장치 |
KR102559237B1 (ko) * | 2018-03-12 | 2023-07-26 | 에스케이하이닉스 주식회사 | 반도체 장치 및 그 제조 방법 |
CN109003985B (zh) * | 2018-08-07 | 2024-03-29 | 长江存储科技有限责任公司 | 存储器结构及其形成方法 |
CN109003986A (zh) * | 2018-08-07 | 2018-12-14 | 长江存储科技有限责任公司 | 存储器结构及其形成方法 |
KR102611730B1 (ko) * | 2018-11-22 | 2023-12-07 | 양쯔 메모리 테크놀로지스 씨오., 엘티디. | 3차원 메모리 디바이스 및 그 제조 방법 |
CN109768087B (zh) * | 2018-12-20 | 2021-04-27 | 中国科学院微电子研究所 | 半导体器件、其制造方法、集成电路及电子设备 |
CN110391250A (zh) * | 2019-06-21 | 2019-10-29 | 长江存储科技有限责任公司 | 一种三维存储器及其制备方法 |
WO2024039982A2 (en) * | 2022-08-17 | 2024-02-22 | NEO Semiconductor, Inc. | 3d memory cells and array architectures |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1271652A3 (en) * | 2001-06-22 | 2004-05-06 | Fujio Masuoka | A semiconductor memory and its production process |
JP3957481B2 (ja) * | 2001-06-22 | 2007-08-15 | 富士雄 舛岡 | 半導体記憶装置 |
JP2004087720A (ja) * | 2002-08-26 | 2004-03-18 | Toshiba Corp | 半導体装置および半導体装置の製造方法 |
KR100481860B1 (ko) * | 2002-09-10 | 2005-04-11 | 삼성전자주식회사 | 비휘발성 메모리 장치의 게이트 구조체 및 그 형성 방법 |
US20050259467A1 (en) * | 2004-05-18 | 2005-11-24 | Micron Technology, Inc. | Split gate flash memory cell with ballistic injection |
KR101495803B1 (ko) * | 2008-11-12 | 2015-02-26 | 삼성전자주식회사 | 비휘발성 메모리 장치의 제조 방법 및 이에 따라 제조된 비휘발성 메모리 장치 |
US7994011B2 (en) * | 2008-11-12 | 2011-08-09 | Samsung Electronics Co., Ltd. | Method of manufacturing nonvolatile memory device and nonvolatile memory device manufactured by the method |
KR101539699B1 (ko) * | 2009-03-19 | 2015-07-27 | 삼성전자주식회사 | 3차원 구조의 비휘발성 메모리 소자 및 그 제조방법 |
KR101105432B1 (ko) * | 2009-06-26 | 2012-01-17 | 주식회사 하이닉스반도체 | 수직채널형 비휘발성 메모리 소자 및 그 제조 방법 |
TWI566382B (zh) * | 2010-05-14 | 2017-01-11 | 國立大學法人東北大學 | 半導體積體電路及其製造方法 |
KR101623546B1 (ko) | 2010-05-28 | 2016-05-23 | 삼성전자주식회사 | 3차원 반도체 메모리 장치 및 그 제조 방법 |
KR101652829B1 (ko) * | 2010-06-03 | 2016-09-01 | 삼성전자주식회사 | 수직 구조의 비휘발성 메모리 소자 |
KR101699515B1 (ko) * | 2010-09-01 | 2017-02-14 | 삼성전자주식회사 | 3차원 반도체 장치 및 그 제조 방법 |
KR101094523B1 (ko) | 2010-10-13 | 2011-12-19 | 주식회사 하이닉스반도체 | 3차원 구조의 비휘발성 메모리 소자 및 그 제조 방법 |
JP2012094694A (ja) * | 2010-10-27 | 2012-05-17 | Toshiba Corp | 不揮発性半導体記憶装置 |
KR101149619B1 (ko) * | 2010-11-19 | 2012-05-25 | 에스케이하이닉스 주식회사 | 3차원 구조의 비휘발성 메모리 소자 및 그 제조 방법 |
KR20120066331A (ko) * | 2010-12-14 | 2012-06-22 | 에스케이하이닉스 주식회사 | 3차원 구조의 비휘발성 메모리 소자 및 그 제조 방법 |
US8722525B2 (en) * | 2011-06-21 | 2014-05-13 | Micron Technology, Inc. | Multi-tiered semiconductor devices and associated methods |
JP5514172B2 (ja) * | 2011-09-02 | 2014-06-04 | 株式会社東芝 | 不揮発性半導体記憶装置およびその製造方法 |
JP5624567B2 (ja) * | 2012-02-03 | 2014-11-12 | 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 |
JP2013239622A (ja) * | 2012-05-16 | 2013-11-28 | Toshiba Corp | 不揮発性半導体記憶装置及びその製造方法 |
JP2015015287A (ja) * | 2013-07-03 | 2015-01-22 | 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 |
US9275909B2 (en) * | 2013-08-12 | 2016-03-01 | Micron Technology, Inc. | Methods of fabricating semiconductor structures |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10910401B2 (en) | 2019-03-15 | 2021-02-02 | Toshiba Memory Corporation | Semiconductor device and method of manufacturing the same |
US11335699B2 (en) | 2019-03-15 | 2022-05-17 | Kioxia Corporation | Semiconductor device and method of manufacturing the same |
US11785774B2 (en) | 2019-03-15 | 2023-10-10 | Kioxia Corporation | Semiconductor device and method of manufacturing the same |
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