KR20050069705A - 엠아이엠 캐패시터를 갖는 반도체 소자의제조방법 - Google Patents
엠아이엠 캐패시터를 갖는 반도체 소자의제조방법 Download PDFInfo
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- KR20050069705A KR20050069705A KR1020030102046A KR20030102046A KR20050069705A KR 20050069705 A KR20050069705 A KR 20050069705A KR 1020030102046 A KR1020030102046 A KR 1020030102046A KR 20030102046 A KR20030102046 A KR 20030102046A KR 20050069705 A KR20050069705 A KR 20050069705A
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- capacitor
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- 239000003990 capacitor Substances 0.000 title claims abstract description 92
- 239000004065 semiconductor Substances 0.000 title claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 47
- 229910052751 metal Inorganic materials 0.000 claims abstract description 35
- 239000002184 metal Substances 0.000 claims abstract description 35
- 239000004020 conductor Substances 0.000 claims abstract description 27
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 21
- 238000005530 etching Methods 0.000 claims abstract description 15
- 239000000758 substrate Substances 0.000 claims abstract description 9
- 238000000151 deposition Methods 0.000 claims abstract description 8
- 239000010410 layer Substances 0.000 claims description 12
- 239000011229 interlayer Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 150000004767 nitrides Chemical class 0.000 claims description 5
- 238000001312 dry etching Methods 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 3
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 claims description 2
- 229910001936 tantalum oxide Inorganic materials 0.000 claims description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims 5
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 238000000059 patterning Methods 0.000 claims 1
- 230000009977 dual effect Effects 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 3
- 239000010408 film Substances 0.000 description 50
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 10
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 10
- 239000010949 copper Substances 0.000 description 6
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 4
- 229910010271 silicon carbide Inorganic materials 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000012212 insulator Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 3
- 229920005591 polysilicon Polymers 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000001039 wet etching Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- -1 tungsten nitride Chemical class 0.000 description 1
Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B12/00—Dynamic random access memory [DRAM] devices
-
- 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
- H01L21/76807—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 for dual damascene structures
- H01L21/76808—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 for dual damascene structures involving intermediate temporary filling with material
-
- 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
-
- 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
- H01L23/5222—Capacitive arrangements or effects of, or between wiring layers
- H01L23/5223—Capacitor integral with wiring layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L28/00—Passive two-terminal components without a potential-jump or surface barrier for integrated circuits; Details thereof; Multistep manufacturing processes therefor
- H01L28/40—Capacitors
- H01L28/60—Electrodes
- H01L28/82—Electrodes with an enlarged surface, e.g. formed by texturisation
- H01L28/90—Electrodes with an enlarged surface, e.g. formed by texturisation having vertical extensions
- H01L28/91—Electrodes with an enlarged surface, e.g. formed by texturisation having vertical extensions made by depositing layers, e.g. by depositing alternating conductive and insulating layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B12/00—Dynamic random access memory [DRAM] devices
- H10B12/01—Manufacture or treatment
- H10B12/02—Manufacture or treatment for one transistor one-capacitor [1T-1C] memory cells
- H10B12/03—Making the capacitor or connections thereto
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B12/00—Dynamic random access memory [DRAM] devices
- H10B12/50—Peripheral circuit region structures
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Semiconductor Integrated Circuits (AREA)
Abstract
Description
Claims (10)
- MIM 캐패시터를 갖는 반도체 소자의 제조방법에 있어서,소정의 구조물이 형성된 반도체 기판;상기 반도체 기판에 하부 배선용 제 1 전도체를 형성하는 단계;상기 제 1 전도체의 상부에 제 2 절연막과 제 3 절연막을 증착하고 제 1 다마신 공정을 진행하여 복수개의 비아홀을 형성하는 단계;상기 복수개의 비아홀에 제 2 전도체의 캐패시터 하부 전극용 컨택 플러그와 하부 배선용 컨택 플러그를 형성하는 단계;상기 캐패시터 하부 전극용 컨택 플러그의 상부에 MIM 캐패시터를 형성하는 단계;상기 캐패시터를 포함한 상부 전면에 제 4 절연막과 제 5 절연막을 증착하고 제 2 다마신 공정을 진행하여 트렌치를 형성하는 단계; 및상기 트렌치에 제 3 전도체의 전도성 금속을 충진하여 캐패시터 상부 전극용 컨택 플러그와 바이어스 인가 패드용 컨택 플러그를 형성하는 단계를 포함하여 이루어짐을 특징으로 하는 MIM 캐패시터를 갖는 반도체 소자의 제조방법.
- 제 1항에 있어서,상기 하부 배선용 제 1 전도체를 형성하는 단계는소정의 구조물이 형성된 반도체 기판에 제 1 절연막을 적층하는 단계;상기 제 1 절연막에 제 1 전도체가 형성될 영역을 패턴하는 단계;상기 패턴을 식각마스크로 하여 건식식각을 진행하여 트렌치를 형성하는 단계;상기 트렌치에 제 1 전도체를 증착하는 단계; 및상기 제 1 전도체를 CMP 공정으로 평탄화하는 단계를 포함하여 이루어짐을 특징으로 하는 MIM 캐패시터를 갖는 반도체 소자의 제조방법.
- 제 1항에 있어서,상기 제 1 다마신 공정은상기 제 3 절연막에 복수개의 비아홀을 형성하는 단계;상기 복수개의 비아홀에 포토레지스트를 코팅하여 경화시키는 단계;상기 포토레지스트가 매립된 비아홀의 상부에 하부 배선용 컨택 플러그 역할을 하는 하나의 비아홀 영역만을 개방하는 패턴을 형성하는 단계;상기 패턴을 식각마스크로 하여 상기 하나의 비아홀에 트렌치를 형성하는 단계;상기 식각마스크로 사용하였던 포토레지스트 패턴을 제거하고 동시에 상기 복수개의 비아홀에 매립된 포토레지스트를 제거하는 단계; 및상기 복수개의 비아홀 바닥면에 노출된 상기 제 2 절연막을 제거하는 단계를 포함하여 이루어짐을 특징으로 하는 MIM 캐패시터를 갖는 반도체 소자의 제조방법.
- 제 1항에 있어서,상기 MIM 캐패시터를 형성하는 단계는캐패시터 하부전극용 금속막, 캐패시터 절연막, 캐패시터 상부전극용 금속막을 순차적으로 적층하는 단계;상기 상부전극용 금속막의 상부에 캐패시터가 형성될 영역을 제외한 나머지 영역을 개방하는 패턴을 형성하는 단계; 및상기 패턴을 식각마스크로 하여 상기 상부전극용 금속막, 캐패시터 절연막, 하부전극용 금속막을 동시에 식각하는 단계를 포함하여 이루어짐을 특징으로 하는 MIM 캐패시터를 갖는 반도체 소자의 제조방법.
- 제 1항에 있어서,상기 제 2 절연막과 제 4 절연막은 식각정지막의 역할을 하고, 질화막, SiC 또는 알루미늄 옥사이드를 이용하여 형성됨을 특징으로 하는 MIM 캐패시터를 갖는 반도체 소자의 제조방법.
- 제 1항에 있어서,상기 제 3 절연막과 제 5 절연막은 층간절연막의 역할을 하고, 일반적인 실리콘 옥사이드를 이용하여 형성됨을 특징으로 하는 MIM 캐패시터를 갖는 반도체 소자의 제조방법.
- 제 1항에 있어서,상기 제 1 도전체와 제 2 도전체는 동일한 물질로 형성되며, TaN 혹은 TaN을 포함한 다층막, TiN 혹은 TiN을 포함한 다층막, WN 혹은 WN을 포함한 다층막으로 형성되거나, 상기의 TaN, TiN, WN 혹은 TaN, TiN, WN을 포함한 다층막 중의 어느 하나에 Cu를 포함하여 형성됨을 특징으로 하는 MIM 캐패시터를 갖는 반도체 소자의 제조방법.
- 제 1항에 있어서,상기 캐패시터 상부전극과 하부전극은 동일한 물질로 형성되며, TaN 혹은 TiN을 포함하는 다층막으로 형성됨을 특징으로 하는 MIM 캐패시터를 갖는 반도체 소자의 제조방법.
- 제 1항에 있어서,상기 캐패시터 절연막은 질화막, TEOS막, 탄탈륨계 옥사이드 중의 하나로 형성됨을 특징으로 하는 MIM 캐패시터를 갖는 반도체 소자의 제조방법.
- 제 3항에 있어서,상기 포토레지스트를 경화시키는 단계는 250 내지 350℃의 온도에서 이루어짐을 특징으로 하는 MIM 캐패시터를 갖는 반도체 소자의 제조방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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KR1020030102046A KR100572829B1 (ko) | 2003-12-31 | 2003-12-31 | 엠아이엠 캐패시터를 갖는 반도체 소자의제조방법 |
US11/027,312 US7071057B2 (en) | 2003-12-31 | 2004-12-30 | Methods of fabricating MIM capacitors of semiconductor devices |
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KR1020030102046A KR100572829B1 (ko) | 2003-12-31 | 2003-12-31 | 엠아이엠 캐패시터를 갖는 반도체 소자의제조방법 |
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KR20050069705A true KR20050069705A (ko) | 2005-07-05 |
KR100572829B1 KR100572829B1 (ko) | 2006-04-24 |
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Families Citing this family (18)
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US6916722B2 (en) * | 2002-12-02 | 2005-07-12 | Taiwan Semiconductor Manufacturing Co., Ltd. | Method to fabricate high reliable metal capacitor within copper back-end process |
KR100996160B1 (ko) | 2004-02-06 | 2010-11-24 | 매그나칩 반도체 유한회사 | 반도체 소자의 커패시터 제조방법 |
US20050255642A1 (en) * | 2004-05-11 | 2005-11-17 | Chi-Wen Liu | Method of fabricating inlaid structure |
KR100735521B1 (ko) * | 2005-10-19 | 2007-07-04 | 삼성전자주식회사 | 반도체 소자 및 그 제조 방법 |
KR100698089B1 (ko) * | 2005-12-29 | 2007-03-23 | 동부일렉트로닉스 주식회사 | 커패시터를 갖는 반도체 소자 및 이의 제조방법 |
KR100727711B1 (ko) * | 2006-06-15 | 2007-06-13 | 동부일렉트로닉스 주식회사 | 반도체 소자의 mim 커패시터 형성 방법 |
KR100955841B1 (ko) | 2008-06-12 | 2010-05-04 | 주식회사 동부하이텍 | 반도체 소자의 제조 방법 |
KR20110012348A (ko) * | 2009-07-30 | 2011-02-09 | 주식회사 하이닉스반도체 | 반도체 소자 및 그 제조 방법 |
US8546914B2 (en) * | 2011-07-19 | 2013-10-01 | United Microelectronics Corp. | Embedded capacitor structure and the forming method thereof |
US9373579B2 (en) | 2012-12-14 | 2016-06-21 | Taiwan Semiconductor Manufacturing Company, Ltd. | Protecting layer in a semiconductor structure |
US9219110B2 (en) | 2014-04-10 | 2015-12-22 | Taiwan Semiconductor Manufacturing Co., Ltd. | MIM capacitor structure |
US9368392B2 (en) | 2014-04-10 | 2016-06-14 | Taiwan Semiconductor Manufacturing Co., Ltd. | MIM capacitor structure |
US9391016B2 (en) * | 2014-04-10 | 2016-07-12 | Taiwan Semiconductor Manufacturing Co., Ltd. | MIM capacitor structure |
US9425061B2 (en) | 2014-05-29 | 2016-08-23 | Taiwan Semiconductor Manufacturing Co., Ltd. | Buffer cap layer to improve MIM structure performance |
JP6342728B2 (ja) * | 2014-06-26 | 2018-06-13 | ラピスセミコンダクタ株式会社 | 半導体装置の製造方法および半導体装置 |
US10546915B2 (en) | 2017-12-26 | 2020-01-28 | International Business Machines Corporation | Buried MIM capacitor structure with landing pads |
CN112397386A (zh) * | 2020-11-17 | 2021-02-23 | 华虹半导体(无锡)有限公司 | Mim电容的制造方法 |
CN116093068A (zh) * | 2021-11-08 | 2023-05-09 | 联华电子股份有限公司 | 单次可编程存储器电容结构及其制作方法 |
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US6271084B1 (en) | 2001-01-16 | 2001-08-07 | Taiwan Semiconductor Manufacturing Company | Method of fabricating a metal-insulator-metal (MIM), capacitor structure using a damascene process |
US6391713B1 (en) * | 2001-05-14 | 2002-05-21 | Silicon Integrated Systems Corp. | Method for forming a dual damascene structure having capacitors |
US6717193B2 (en) | 2001-10-09 | 2004-04-06 | Koninklijke Philips Electronics N.V. | Metal-insulator-metal (MIM) capacitor structure and methods of fabricating same |
DE10161285A1 (de) * | 2001-12-13 | 2003-07-03 | Infineon Technologies Ag | Integriertes Halbleiterprodukt mit Metall-Isolator-Metall-Kondensator |
US6794262B2 (en) | 2002-09-23 | 2004-09-21 | Infineon Technologies Ag | MIM capacitor structures and fabrication methods in dual-damascene structures |
US20050082592A1 (en) * | 2003-10-16 | 2005-04-21 | Taiwan Semiconductor Manufacturing Co., Ltd. | Compact capacitor structure having high unit capacitance |
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