JP7128154B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP7128154B2 JP7128154B2 JP2019123051A JP2019123051A JP7128154B2 JP 7128154 B2 JP7128154 B2 JP 7128154B2 JP 2019123051 A JP2019123051 A JP 2019123051A JP 2019123051 A JP2019123051 A JP 2019123051A JP 7128154 B2 JP7128154 B2 JP 7128154B2
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- 239000004065 semiconductor Substances 0.000 title claims description 64
- 239000000758 substrate Substances 0.000 claims description 38
- 239000010410 layer Substances 0.000 description 120
- 238000005530 etching Methods 0.000 description 36
- 238000000034 method Methods 0.000 description 29
- 239000011229 interlayer Substances 0.000 description 16
- 229910052751 metal Inorganic materials 0.000 description 15
- 239000002184 metal Substances 0.000 description 15
- 239000000463 material Substances 0.000 description 13
- 239000006227 byproduct Substances 0.000 description 12
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 12
- 150000004767 nitrides Chemical class 0.000 description 10
- 229910052721 tungsten Inorganic materials 0.000 description 9
- 239000010937 tungsten Substances 0.000 description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- 239000007789 gas Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 229910052581 Si3N4 Inorganic materials 0.000 description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 7
- 229910052710 silicon Inorganic materials 0.000 description 7
- 239000010703 silicon Substances 0.000 description 7
- -1 tungsten nitride Chemical class 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 6
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 6
- KRHYYFGTRYWZRS-UHFFFAOYSA-N hydrofluoric acid Substances F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 239000007769 metal material Substances 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
- 229910052814 silicon oxide Inorganic materials 0.000 description 6
- 229910052719 titanium Inorganic materials 0.000 description 6
- 239000010936 titanium Substances 0.000 description 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 6
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 4
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 4
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- UQZIWOQVLUASCR-UHFFFAOYSA-N alumane;titanium Chemical compound [AlH3].[Ti] UQZIWOQVLUASCR-UHFFFAOYSA-N 0.000 description 4
- 238000000231 atomic layer deposition Methods 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 description 4
- 238000005229 chemical vapour deposition Methods 0.000 description 4
- 229910017052 cobalt Inorganic materials 0.000 description 4
- 239000010941 cobalt Substances 0.000 description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 4
- 238000001312 dry etching Methods 0.000 description 4
- 229910052741 iridium Inorganic materials 0.000 description 4
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 4
- 229910052750 molybdenum Inorganic materials 0.000 description 4
- 239000011733 molybdenum Substances 0.000 description 4
- 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 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 229910000510 noble metal Inorganic materials 0.000 description 4
- 229920002120 photoresistant polymer Polymers 0.000 description 4
- 229910052697 platinum Inorganic materials 0.000 description 4
- 229910052707 ruthenium 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
- IVHJCRXBQPGLOV-UHFFFAOYSA-N azanylidynetungsten Chemical compound [W]#N IVHJCRXBQPGLOV-UHFFFAOYSA-N 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 239000003870 refractory metal Substances 0.000 description 3
- 229910052715 tantalum Inorganic materials 0.000 description 3
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 3
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229910002370 SrTiO3 Inorganic materials 0.000 description 2
- 229910004481 Ta2O3 Inorganic materials 0.000 description 2
- 229910010252 TiO3 Inorganic materials 0.000 description 2
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 description 2
- UGACIEPFGXRWCH-UHFFFAOYSA-N [Si].[Ti] Chemical compound [Si].[Ti] UGACIEPFGXRWCH-UHFFFAOYSA-N 0.000 description 2
- RVSGESPTHDDNTH-UHFFFAOYSA-N alumane;tantalum Chemical compound [AlH3].[Ta] RVSGESPTHDDNTH-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 229910003481 amorphous carbon Inorganic materials 0.000 description 2
- 238000004380 ashing Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 229910052593 corundum Inorganic materials 0.000 description 2
- 229910052732 germanium Inorganic materials 0.000 description 2
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 2
- CJNBYAVZURUTKZ-UHFFFAOYSA-N hafnium(IV) oxide Inorganic materials O=[Hf]=O CJNBYAVZURUTKZ-UHFFFAOYSA-N 0.000 description 2
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum oxide Inorganic materials [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 description 2
- 230000000873 masking effect Effects 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- KTUFCUMIWABKDW-UHFFFAOYSA-N oxo(oxolanthaniooxy)lanthanum Chemical compound O=[La]O[La]=O KTUFCUMIWABKDW-UHFFFAOYSA-N 0.000 description 2
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 2
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 description 2
- 229910021342 tungsten silicide Inorganic materials 0.000 description 2
- 238000001039 wet etching Methods 0.000 description 2
- 229910001845 yogo sapphire Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910004121 SrRuO Inorganic materials 0.000 description 1
- 229910002353 SrRuO3 Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- HTXDPTMKBJXEOW-UHFFFAOYSA-N iridium(IV) oxide Inorganic materials O=[Ir]=O HTXDPTMKBJXEOW-UHFFFAOYSA-N 0.000 description 1
- 239000006166 lysate Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011160 research Methods 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
- H01L23/5222—Capacitive arrangements or effects of, or between wiring layers
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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
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- H01L21/3105—After-treatment
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Description
110 コンタクトプラグ
112 層間絶縁膜
130 誘電膜
LE 下部電極
SL1 第1支持膜
SL2 第2支持膜
TE 貫通ホール
UE 上部電極
Claims (19)
- 基板と、
前記基板の上の下部電極と、
前記下部電極の側壁の上の第1支持膜と、
前記下部電極の前記側壁及び上面を覆う誘電膜と、
前記誘電膜の上の上部電極と、を含み、
前記下部電極は、前記第1支持膜の上に位置する第1部分と、前記第1部分の下に位置する第2部分とを含み、
前記第1部分は、前記第1部分の側壁から突出した複数の突出部を有するが、前記第2部分は、前記第2部分の側壁から突出した突出部を有しない、半導体装置。 - 前記下部電極の前記側壁の上に配置され、前記第1支持膜の上の第2支持膜をさらに含み、
前記第1部分は、前記第1支持膜と前記第2支持膜との間の下部部分及び前記下部部分の上の上部部分を含み、
前記突出部は、前記下部部分の側壁の上に配置される請求項1に記載の半導体装置。 - 前記上部部分の側壁は、平坦である請求項2に記載の半導体装置。
- 前記下部電極の前記側壁は、前記下部電極の上面からリセスされた凹部を有し、
前記凹部は、前記下部電極の上部角の上に配置される請求項1ないし3のうちの何れか一項に記載の半導体装置。 - 前記第2部分の側壁は、平坦である請求項1ないし3のうちの何れか一項に記載の半導体装置。
- 前記下部電極は、前記第1支持膜の下に位置する第2部分をさらに含み、
前記第2部分の側壁は、前記基板の上面から垂直である請求項1ないし3のうちの何れか一項に記載の半導体装置。 - 前記突出部は、凸状の曲面を有する請求項1ないし3のうちの何れか一項に記載の半導体装置。
- 前記下部電極は、円筒形、ピラー形、又はU字形である請求項1ないし3のうちの何れか一項に記載の半導体装置。
- 前記下部電極の側壁の上に配置され、前記第1支持膜の上の第2支持膜をさらに含み、
前記第2支持膜の上面は、前記下部電極の上面と同一なレベルに位置する請求項1に記載の半導体装置。 - 前記複数の突出部は、前記第1支持膜と離隔される請求項1ないし9のうちの何れか一項に記載の半導体装置。
- 前記複数の突出部は、前記基板の上面に垂直になる方向に互いに離隔される請求項1ないし9のうちの何れか一項に記載の半導体装置。
- 前記複数の突出部のサイズは、互いに異なる請求項1ないし9のうちの何れか一項に記載の半導体装置。
- 前記複数の突出部の垂直厚さは、3nm乃至7nmである請求項1ないし9のうちの何れか一項に記載の半導体装置。
- 前記下部電極は、前記基板の上面から垂直方向に延長し、互いに平行である垂直部分及び前記垂直部分の間の水平部分を含み、
前記突出部は、前記垂直部分の外側壁の上に配置され、
前記垂直部分の内側壁は、平坦である請求項1に記載の半導体装置。 - 前記下部電極の側壁の上の前記基板の上の第1支持膜及び第2支持膜をさらに含み、
前記突出部は、前記第1支持膜及び前記第2支持膜の間に配置される請求項1に記載の半導体装置。 - 基板と、
前記基板の上の複数の下部電極と、
を含む半導体装置であって、
前記複数の下部電極の各々は、側壁、前記側壁から突出する突出部、及び前記複数の突出部の間にあり、垂直に互いに離隔配置される第1部分を含み、
前記複数の下部電極は第1下部電極及び第2下部電極を含み、
前記第1下部電極の前記複数の第1部分及び前記第2下部電極の前記複数の第1部分の間の距離は、均一であり、
前記半導体装置は、前記複数の下部電極の側壁に隣接する、前記基板の上の第1支持膜と、
前記第1下部電極及び前記第2下部電極の表面を覆う誘電膜と、
前記誘電膜の上の上部電極と、を含み、
前記複数の突出部は、前記第1支持膜より下方には提供されていない、半導体装置。 - 前記複数の突出部は、凸状の曲面を有する請求項16に記載の半導体装置。
- 前記第1支持膜の上の第2支持膜をさらに含み、
前記複数の突出部は、前記第1支持膜と前記第2支持膜との間にある請求項16に記載の半導体装置。 - 前記上部電極は、前記誘電膜の表面をコンフォーマルに覆う請求項16に記載の半導体装置。
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KR102661837B1 (ko) * | 2018-07-23 | 2024-05-02 | 삼성전자주식회사 | 반도체 장치 |
KR102706512B1 (ko) * | 2020-07-30 | 2024-09-11 | 삼성전자주식회사 | 반도체 장치 |
CN113097140A (zh) * | 2021-03-29 | 2021-07-09 | 长鑫存储技术有限公司 | 半导体结构的制备方法及半导体结构 |
US12048138B2 (en) | 2021-03-29 | 2024-07-23 | Changxin Memory Technologies, Inc. | Method for preparing semiconductor structure and semiconductor structure |
US11538900B1 (en) | 2021-06-08 | 2022-12-27 | Winbond Electronics Corp. | Semiconductor device and method of fabricating the same |
CN113964128B (zh) * | 2021-10-18 | 2024-08-02 | 长鑫存储技术有限公司 | 半导体器件及电容器的形成方法 |
CN113948516A (zh) * | 2021-10-18 | 2022-01-18 | 长鑫存储技术有限公司 | 一种电容结构及其制备方法 |
US12021114B2 (en) * | 2022-05-19 | 2024-06-25 | Nanya Technology Corporation | Semiconductor structure with single side capacitor |
TWI847656B (zh) * | 2022-07-01 | 2024-07-01 | 南亞科技股份有限公司 | 具有不同長度下電極之電容器結構的半導體元件 |
KR20240055431A (ko) * | 2022-10-20 | 2024-04-29 | 삼성전자주식회사 | 커패시터 구조물 및 상기 커패시터 구조물을 포함하는 반도체 장치 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001510945A (ja) | 1997-07-14 | 2001-08-07 | マイクロン・テクノロジー・インコーポレーテッド | 半球粒状ポリシリコン半導体構造及びその製造方法 |
JP2002538603A (ja) | 1999-02-23 | 2002-11-12 | インフィネオン テクノロジーズ アクチェンゲゼルシャフト | 特に集積半導体メモリ(例えばdram)用の固体誘電体を備えた小型キャパシタ、およびその製造方法 |
JP2011086759A (ja) | 2009-10-15 | 2011-04-28 | Elpida Memory Inc | 半導体装置及びその製造方法 |
US20120231601A1 (en) | 2011-03-08 | 2012-09-13 | Mongsup Lee | Methods of fabricating a semiconductor device having metallic storage nodes |
CN107634047A (zh) | 2017-09-14 | 2018-01-26 | 睿力集成电路有限公司 | 电容器阵列结构及其制造方法 |
Family Cites Families (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH088341B2 (ja) * | 1989-10-06 | 1996-01-29 | 三菱電機株式会社 | 半導体記憶装置 |
KR930006730B1 (ko) * | 1991-03-20 | 1993-07-23 | 삼성전자 주식회사 | 고집적 반도체 메모리장치의 커패시터 제조방법 |
DE4321638A1 (de) | 1992-09-19 | 1994-03-24 | Samsung Electronics Co Ltd | Halbleiterspeicherbauelement mit einem Kondensator und Verfahren zu seiner Herstellung |
JPH06326266A (ja) * | 1993-03-16 | 1994-11-25 | Mitsubishi Electric Corp | 半導体記憶装置およびその製造方法 |
KR100323990B1 (ko) * | 1998-06-02 | 2002-08-21 | 삼성전자 주식회사 | 반구형결정입자들을갖는캐패시터의제조방법 |
JP2000216356A (ja) * | 1999-01-21 | 2000-08-04 | Nec Corp | 半導体装置およびその製造方法 |
JP3246476B2 (ja) | 1999-06-01 | 2002-01-15 | 日本電気株式会社 | 容量素子の製造方法、及び、容量素子 |
KR100382732B1 (ko) | 2001-01-10 | 2003-05-09 | 삼성전자주식회사 | 반도체 소자의 실린더형 커패시터 제조 방법 |
US20050026452A1 (en) | 2003-07-31 | 2005-02-03 | Won-Jun Lee | Etching method for manufacturing semiconductor device |
TW200605329A (en) | 2004-06-10 | 2006-02-01 | Matsushita Electric Ind Co Ltd | Capacitor and method for manufacturing the same |
JP4552835B2 (ja) | 2005-11-14 | 2010-09-29 | エルピーダメモリ株式会社 | キャパシタの製造方法 |
KR20080108697A (ko) * | 2007-06-11 | 2008-12-16 | 삼성전자주식회사 | 커패시터의 형성 방법 및 반도체 소자의 제조방법 |
KR20100078971A (ko) | 2008-12-30 | 2010-07-08 | 주식회사 하이닉스반도체 | 반도체 소자 및 그의 제조방법 |
US7951668B2 (en) | 2009-01-14 | 2011-05-31 | Powerchip Semiconductor Corp. | Process for fabricating crown capacitors of dram and capacitor structure |
KR20100090974A (ko) | 2009-02-09 | 2010-08-18 | 삼성전자주식회사 | 반도체 소자의 형성 방법 |
KR20110078064A (ko) | 2009-12-30 | 2011-07-07 | 주식회사 하이닉스반도체 | 휨을 방지하는 반도체장치 제조 방법 |
KR20120028509A (ko) | 2010-09-15 | 2012-03-23 | 삼성전자주식회사 | 커패시터 형성 방법 및 이를 이용한 반도체 장치 제조 방법 |
KR20120056074A (ko) | 2010-11-24 | 2012-06-01 | 에스케이하이닉스 주식회사 | 스토리지노드의 높이를 증가시키는 커패시터 형성 방법 |
KR20120080890A (ko) | 2011-01-10 | 2012-07-18 | 에스케이하이닉스 주식회사 | 반도체 소자 및 그 제조 방법 |
KR101780050B1 (ko) | 2011-02-28 | 2017-09-20 | 삼성전자주식회사 | 반도체 기억 소자 및 반도체 기억 소자의 형성 방법 |
KR101800419B1 (ko) | 2011-03-14 | 2017-11-23 | 삼성전자주식회사 | 반도체 소자 및 그 제조방법 |
KR101614029B1 (ko) | 2011-10-06 | 2016-04-21 | 참엔지니어링(주) | 캐패시터 및 그 제조 방법 |
KR101910499B1 (ko) | 2012-06-29 | 2018-10-23 | 에스케이하이닉스 주식회사 | 반도체 장치의 캐패시터 제조방법 |
KR101934093B1 (ko) | 2012-08-29 | 2019-01-02 | 삼성전자주식회사 | 반도체 장치 및 그 제조 방법 |
KR101934421B1 (ko) | 2012-11-13 | 2019-01-03 | 삼성전자 주식회사 | 반도체 소자 및 이의 제조 방법 |
KR101934037B1 (ko) | 2012-11-21 | 2018-12-31 | 삼성전자주식회사 | 서포터를 갖는 반도체 소자 및 그 형성 방법 |
KR20140074655A (ko) | 2012-12-10 | 2014-06-18 | 에스케이하이닉스 주식회사 | 반도체 장치의 캐패시터 제조 방법 |
KR102065684B1 (ko) | 2013-04-24 | 2020-01-13 | 삼성전자주식회사 | 반도체 장치 및 이의 제조 방법 |
KR102170144B1 (ko) | 2013-08-23 | 2020-10-27 | 삼성전자주식회사 | 휨 제어 막을 이용한 반도체 소자 형성 방법 및 관련된 소자 |
KR102279720B1 (ko) | 2015-06-24 | 2021-07-22 | 삼성전자주식회사 | 반도체 장치 및 그 제조 방법 |
KR102414612B1 (ko) * | 2015-10-13 | 2022-07-01 | 삼성전자주식회사 | 반도체 소자 및 그 제조 방법 |
KR102621751B1 (ko) * | 2016-06-02 | 2024-01-05 | 삼성전자주식회사 | 반도체 장치 및 그 제조 방법 |
KR102661837B1 (ko) * | 2018-07-23 | 2024-05-02 | 삼성전자주식회사 | 반도체 장치 |
-
2018
- 2018-07-23 KR KR1020180085553A patent/KR102661837B1/ko active IP Right Grant
-
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- 2019-02-22 US US16/282,548 patent/US11211447B2/en active Active
- 2019-06-18 SG SG10201905606YA patent/SG10201905606YA/en unknown
- 2019-07-01 JP JP2019123051A patent/JP7128154B2/ja active Active
- 2019-07-23 CN CN201910665606.XA patent/CN110752202A/zh active Pending
-
2021
- 2021-11-29 US US17/536,524 patent/US11810947B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001510945A (ja) | 1997-07-14 | 2001-08-07 | マイクロン・テクノロジー・インコーポレーテッド | 半球粒状ポリシリコン半導体構造及びその製造方法 |
JP2002538603A (ja) | 1999-02-23 | 2002-11-12 | インフィネオン テクノロジーズ アクチェンゲゼルシャフト | 特に集積半導体メモリ(例えばdram)用の固体誘電体を備えた小型キャパシタ、およびその製造方法 |
JP2011086759A (ja) | 2009-10-15 | 2011-04-28 | Elpida Memory Inc | 半導体装置及びその製造方法 |
US20120231601A1 (en) | 2011-03-08 | 2012-09-13 | Mongsup Lee | Methods of fabricating a semiconductor device having metallic storage nodes |
CN107634047A (zh) | 2017-09-14 | 2018-01-26 | 睿力集成电路有限公司 | 电容器阵列结构及其制造方法 |
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