KR100403611B1 - 금속-절연체-금속 구조의 커패시터 및 그 제조방법 - Google Patents
금속-절연체-금속 구조의 커패시터 및 그 제조방법 Download PDFInfo
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- KR100403611B1 KR100403611B1 KR10-2000-0031031A KR20000031031A KR100403611B1 KR 100403611 B1 KR100403611 B1 KR 100403611B1 KR 20000031031 A KR20000031031 A KR 20000031031A KR 100403611 B1 KR100403611 B1 KR 100403611B1
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- 239000003990 capacitor Substances 0.000 title claims abstract description 54
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 title abstract description 36
- 239000002184 metal Substances 0.000 title abstract description 36
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 22
- 238000000151 deposition Methods 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 21
- 230000002265 prevention Effects 0.000 claims description 17
- 238000005229 chemical vapour deposition Methods 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 13
- 239000000758 substrate Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000012297 crystallization seed Substances 0.000 claims description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 abstract description 18
- 150000001875 compounds Chemical class 0.000 abstract description 12
- 239000003989 dielectric material Substances 0.000 abstract description 10
- -1 platinum group metal oxide Chemical class 0.000 abstract description 8
- 229910044991 metal oxide Inorganic materials 0.000 abstract description 5
- 239000004065 semiconductor Substances 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 41
- 229910052718 tin Inorganic materials 0.000 description 27
- 239000000463 material Substances 0.000 description 17
- 239000007789 gas Substances 0.000 description 16
- 230000008021 deposition Effects 0.000 description 14
- 238000000231 atomic layer deposition Methods 0.000 description 12
- 239000012528 membrane Substances 0.000 description 5
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 4
- 229910003071 TaON Inorganic materials 0.000 description 4
- 238000002425 crystallisation Methods 0.000 description 4
- 230000008025 crystallization Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 238000009832 plasma treatment Methods 0.000 description 3
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 3
- 229910052707 ruthenium Inorganic materials 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- 229910004140 HfO Inorganic materials 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910004491 TaAlN Inorganic materials 0.000 description 2
- 229910004166 TaN Inorganic materials 0.000 description 2
- 229910004200 TaSiN Inorganic materials 0.000 description 2
- 229910010037 TiAlN Inorganic materials 0.000 description 2
- 229910008482 TiSiN Inorganic materials 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 229910052741 iridium Inorganic materials 0.000 description 2
- QRXWMOHMRWLFEY-UHFFFAOYSA-N isoniazide Chemical compound NNC(=O)C1=CC=NC=C1 QRXWMOHMRWLFEY-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 229910052715 tantalum Inorganic materials 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
- 238000001039 wet etching Methods 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02172—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides
- H01L21/02175—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides characterised by the metal
- H01L21/02183—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing at least one metal element, e.g. metal oxides, metal nitrides, metal oxynitrides or metal carbides characterised by the metal the material containing tantalum, e.g. Ta2O5
-
- 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
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- H01L21/02263—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase
- H01L21/02271—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
- H01L21/0228—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition deposition by cyclic CVD, e.g. ALD, ALE, pulsed CVD
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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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02296—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer
- H01L21/02318—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment
- H01L21/02337—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment treatment by exposure to a gas or vapour
-
- 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
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02296—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer
- H01L21/02318—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment
- H01L21/02345—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment treatment by exposure to radiation, e.g. visible light
- H01L21/02348—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment treatment by exposure to radiation, e.g. visible light treatment by exposure to UV light
-
- 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
- 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
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- H01L21/02263—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase
- H01L21/02271—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
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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
- H01L21/30—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
- H01L21/314—Inorganic layers
- H01L21/316—Inorganic layers composed of oxides or glassy oxides or oxide based glass
- H01L21/31604—Deposition from a gas or vapour
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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)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (26)
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- TiN으로 이루어진 실린더형 하부전극;상기 TiN 하부전극상에 형성되고 Si3N4로 이루어진 반응방지막;상기 반응방지막 상에 형성되고 Ta2O5로 이루어진 유전막; 및상기 유전막 상에 형성된 CVD-Ru으로 이루어진 상부전극을 구비하고,상기 Si3N4로 이루어진 반응방지막은 상기 Ta2O5유전막을 형성하는 동안 그리고 상기 CVD-Ru 상부전극을 형성한 후 행해지는 열 처리 동안 상기 TiN 하부전극과 상기 Ta2O5유전막간 반응을 방지하고,상기 CVD-Ru 상부전극은 상기 CVD-Ru 상부전극을 형성한 후 행해지는 열 처리 동안 상기 Ta2O5유전막의 결정화 시드층으로 작용하는 것을 특징으로 하는 커패시터.
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- 기판 상에 TiN을 화학기상 증착하여 실린더형의 하부전극을 형성하는 단계;상기 TiN 하부전극 상에 Si3N4로 이루어진 반응방지막을 형성하는 단계;상기 Si3N4반응방지막 상에 Ta2O5로 이루어진 유전막을 형성하는 단계;상기 Ta2O5유전막 상에 Ru을 화학기상 증착하여 CVD-Ru 상부전극을 형성하는 단계; 및상기 결과물을 열처리하여 상기 유전막을 결정화시키는 단계를 포함하며,상기 Si3N4로 이루어진 반응방지막은 상기 Ta2O5유전막을 형성하는 단계시 그리고 상기 열처리 단계시 상기 TiN 하부전극과 상기 Ta2O5유전막간 반응을 방지하고,상기 CVD-Ru 상부전극은 상기 열처리 단계시 상기 Ta2O5유전막의 결정화 시드층으로 작용하는 것을 특징으로 하는 커패시터 제조방법.
- 제20항에 있어서, 상기 유전막을 형성하는 단계에 이어,상기 유전막을 열처리 또는 플라즈마 처리하는 단계를 더 구비하는 것을 특징으로 하는 커패시터 제조방법.
- 삭제
- 제20항에 있어서, 상기 유전막을 형성하는 단계는,상기 Ta2O5를 증착하는 단계; 및상기 증착된 Ta2O5막을 UV-O3열처리하는 단계를 반복하여 다단계로 형성하는 것을 특징으로 하는 커패시터 제조방법.
- 삭제
- 제20항에 있어서, 상기 반응방지막을 이루는 Si3N4는 비정질 상태로 증착되는 것을 특징으로 하는 커패시터 제조방법.
- 삭제
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2000-0031031A KR100403611B1 (ko) | 2000-06-07 | 2000-06-07 | 금속-절연체-금속 구조의 커패시터 및 그 제조방법 |
US09/863,679 US6580111B2 (en) | 2000-06-07 | 2001-05-23 | Metal-insulator-metal capacitor |
US10/426,743 US7018933B2 (en) | 2000-06-07 | 2003-04-30 | Method of forming a metal-insulator-metal capacitor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR10-2000-0031031A KR100403611B1 (ko) | 2000-06-07 | 2000-06-07 | 금속-절연체-금속 구조의 커패시터 및 그 제조방법 |
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Publication Number | Publication Date |
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KR20010110527A KR20010110527A (ko) | 2001-12-13 |
KR100403611B1 true KR100403611B1 (ko) | 2003-11-01 |
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US (2) | US6580111B2 (ko) |
KR (1) | KR100403611B1 (ko) |
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US6551929B1 (en) | 2000-06-28 | 2003-04-22 | Applied Materials, Inc. | Bifurcated deposition process for depositing refractory metal layers employing atomic layer deposition and chemical vapor deposition techniques |
US7405158B2 (en) | 2000-06-28 | 2008-07-29 | Applied Materials, Inc. | Methods for depositing tungsten layers employing atomic layer deposition techniques |
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JP2002076293A (ja) * | 2000-09-01 | 2002-03-15 | Matsushita Electric Ind Co Ltd | キャパシタ及び半導体装置の製造方法 |
KR100504554B1 (ko) * | 2000-12-21 | 2005-08-01 | 주식회사 하이닉스반도체 | 반도체 소자의 캐패시터 제조 방법 |
US7192827B2 (en) * | 2001-01-05 | 2007-03-20 | Micron Technology, Inc. | Methods of forming capacitor structures |
US6596643B2 (en) | 2001-05-07 | 2003-07-22 | Applied Materials, Inc. | CVD TiSiN barrier for copper integration |
US7781819B2 (en) * | 2001-05-31 | 2010-08-24 | Samsung Electronics Co., Ltd. | Semiconductor devices having a contact plug and fabrication methods thereof |
KR100408410B1 (ko) * | 2001-05-31 | 2003-12-06 | 삼성전자주식회사 | 엠아이엠(mim) 커패시터를 갖는 반도체 소자 및 그제조 방법 |
KR100418581B1 (ko) * | 2001-06-12 | 2004-02-11 | 주식회사 하이닉스반도체 | 메모리 소자의 제조방법 |
JP3863391B2 (ja) * | 2001-06-13 | 2006-12-27 | Necエレクトロニクス株式会社 | 半導体装置 |
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Also Published As
Publication number | Publication date |
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US6580111B2 (en) | 2003-06-17 |
US7018933B2 (en) | 2006-03-28 |
US20030190808A1 (en) | 2003-10-09 |
US20010054730A1 (en) | 2001-12-27 |
KR20010110527A (ko) | 2001-12-13 |
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