KR100418573B1 - 반도체소자의 제조 방법 - Google Patents
반도체소자의 제조 방법 Download PDFInfo
- Publication number
- KR100418573B1 KR100418573B1 KR10-2001-0056742A KR20010056742A KR100418573B1 KR 100418573 B1 KR100418573 B1 KR 100418573B1 KR 20010056742 A KR20010056742 A KR 20010056742A KR 100418573 B1 KR100418573 B1 KR 100418573B1
- Authority
- KR
- South Korea
- Prior art keywords
- forming
- storage node
- etching
- film
- capacitor
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 41
- 239000004065 semiconductor Substances 0.000 title claims description 43
- 238000003860 storage Methods 0.000 claims abstract description 107
- 239000003990 capacitor Substances 0.000 claims abstract description 54
- 238000005530 etching Methods 0.000 claims abstract description 44
- 238000004519 manufacturing process Methods 0.000 claims abstract description 34
- 150000004767 nitrides Chemical class 0.000 claims abstract description 31
- 125000006850 spacer group Chemical group 0.000 claims abstract description 20
- 230000004888 barrier function Effects 0.000 claims abstract description 18
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 33
- 229920005591 polysilicon Polymers 0.000 claims description 30
- 239000000758 substrate Substances 0.000 claims description 21
- 229920002120 photoresistant polymer Polymers 0.000 claims description 12
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 10
- 229910052718 tin Inorganic materials 0.000 claims description 10
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 8
- 229910052698 phosphorus Inorganic materials 0.000 claims description 8
- 239000011574 phosphorus Substances 0.000 claims description 8
- 238000000151 deposition Methods 0.000 claims description 7
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 5
- 229910052707 ruthenium Inorganic materials 0.000 claims description 5
- 229910021332 silicide Inorganic materials 0.000 claims description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- 229910052741 iridium Inorganic materials 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 4
- 229910044991 metal oxide Inorganic materials 0.000 claims description 4
- 150000004706 metal oxides Chemical class 0.000 claims description 4
- 229910052697 platinum Inorganic materials 0.000 claims description 4
- 239000002210 silicon-based material Substances 0.000 claims description 4
- 239000007772 electrode material Substances 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims 2
- 238000000576 coating method Methods 0.000 claims 2
- 238000005406 washing Methods 0.000 claims 2
- -1 RuO 2 and IrO 2 Chemical class 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 230000007547 defect Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 34
- 239000011229 interlayer Substances 0.000 description 26
- 238000005229 chemical vapour deposition Methods 0.000 description 10
- 238000005498 polishing Methods 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 238000000231 atomic layer deposition Methods 0.000 description 6
- 229910052797 bismuth Inorganic materials 0.000 description 6
- 238000005240 physical vapour deposition Methods 0.000 description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 6
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910002367 SrTiO Inorganic materials 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 229910052746 lanthanum Inorganic materials 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 229910052789 astatine Inorganic materials 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005468 ion implantation Methods 0.000 description 2
- 229910052745 lead Inorganic materials 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 229910052715 tantalum Inorganic materials 0.000 description 2
- 238000007669 thermal treatment Methods 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
- 229910052726 zirconium Inorganic materials 0.000 description 2
- 229910019899 RuO Inorganic materials 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 229910004491 TaAlN Inorganic materials 0.000 description 1
- 229910004166 TaN Inorganic materials 0.000 description 1
- 229910004200 TaSiN Inorganic materials 0.000 description 1
- 229910010037 TiAlN Inorganic materials 0.000 description 1
- 229910008484 TiSi Inorganic materials 0.000 description 1
- 229910008482 TiSiN Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- QRXWMOHMRWLFEY-UHFFFAOYSA-N isoniazide Chemical compound NNC(=O)C1=CC=NC=C1 QRXWMOHMRWLFEY-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 description 1
- 229910021342 tungsten silicide Inorganic materials 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
Classifications
-
- 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
- H01L21/76897—Formation of self-aligned vias or contact plugs, i.e. involving a lithographically uncritical step
-
- 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
- H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
-
- 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
- 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
- H01L21/76829—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 characterised by the formation of thin functional dielectric layers, e.g. dielectric etch-stop, barrier, capping or liner layers
- H01L21/76831—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 characterised by the formation of thin functional dielectric layers, e.g. dielectric etch-stop, barrier, capping or liner layers in via holes or trenches, e.g. non-conductive sidewall liners
-
- 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
- H01L21/76838—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 conductors
- H01L21/76877—Filling of holes, grooves or trenches, e.g. vias, with conductive material
-
- 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
-
- 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
- H10B12/033—Making the capacitor or connections thereto the capacitor extending over the transistor
- H10B12/0335—Making a connection between the transistor and the capacitor, e.g. plug
-
- 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
- H01L21/02123—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 silicon
- H01L21/0217—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 silicon the material being a silicon nitride not containing oxygen, e.g. SixNy or SixByNz
-
- 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
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31144—Etching the insulating layers by chemical or physical means using masks
-
- 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
- H01L21/318—Inorganic layers composed of nitrides
- H01L21/3185—Inorganic layers composed of nitrides of siliconnitrides
-
- 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
- H10B12/30—DRAM devices comprising one-transistor - one-capacitor [1T-1C] memory cells
- H10B12/31—DRAM devices comprising one-transistor - one-capacitor [1T-1C] memory cells having a storage electrode stacked over the transistor
- H10B12/315—DRAM devices comprising one-transistor - one-capacitor [1T-1C] memory cells having a storage electrode stacked over the transistor with the capacitor higher than a bit line
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (21)
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 반도체 기판 상부에 비트라인을 형성하는 단계;상기 비트라인 상부를 덮는 제1절연막을 형성하는 단계;상기 제1절연막을 식각하여 상기 비트라인 사이의 반도체 기판의 일부를 노출시키는 콘택홀을 형성하는 단계;상기 콘택홀의 측벽에 질화막스페이서를 형성하는 단계;상기 콘택홀에 콘택플러그를 매립시키 단계;상기 제1절연막상에 식각배리어막과 제2절연막을 차례로 형성하는 단계;상기 제2절연막과 상기 식각배리어막을 순차적으로 식각하여 상기 콘택플러그를 노출시키는 개구부를 형성하는 단계;상기 개구부를 포함한 상기 제2절연막상에 도전막을 형성하는 단계;상기 제2절연막보다 상대적으로 과식각되도록 상기 도전막을 선택적으로 식각하여 상기 개구부내에서 스토리지노드를 형성하는 단계상기 스토리지노드 표면에 요철을 형성하는 단계; 및상기 요철이 형성된 스토리지노드상에 유전막, 플레이트노드를 차례로 형성하는 단계를 포함하여 이루어짐을 특징으로 하는 캐패시터의 제조 방법.
- 제 6 항에 있어서,상기 스토리지노드를 형성하는 단계는,상기 도전막상에 감광막을 도포하는 단계;상기 감광막을 에치백하여 상기 개구부내에만 잔류시키는 단계;상기 잔류하는 감광막을 그대로 두고 상기 도전막을 에치백하여 상기 스토리지노드를 형성하는 단계; 및상기 감광막을 제거하는 단계를 포함하여 이루어짐을 특징으로 하는 캐패시터의 제조 방법.
- 제 6 항에 있어서,상기 개구부를 형성하는 단계는,상기 제2절연막상에 하드마스크를 형성하는 단계;상기 하드마스크상에 마스크를 형성하는 단계;상기 마스크를 식각마스크로 하여 상기 식각배리어막에서 식각이 정지되도록 상기 하드마스크와 상기 제2절연막을 식각하는 단계,상기 마스크를 제거하는 단계;상기 하드마스크를 식각마스크로 하여 상기 식각배리어막을 식각하는 단계; 및상기 식각배리어막 식각 후 노출된 상기 콘택플러그 표면을 플라즈마처리하는 단계를 포함하는 것을 특징으로 하는 캐패시터의 제조 방법.
- 제 8 항에 있어서,상기 하드마스크는,500℃∼650℃에서 500Å∼2000Å의 두께를 갖는 도우프드 또는 언도우프드 폴리실리콘을 증착하는 것을 특징으로 하는 캐패시터의 제조 방법.
- 제 6 항에 있어서,상기 요철을 형성하는 단계는,상기 스토리지노드 표면에 실리콘이 함유된 요철을 성장시키는 단계;상기 요철이 성장된 상기 스토리지노드 표면을 습식세정하는 단계; 및상기 습식세정된 상기 스토리지노드에 인을 도핑시키는 단계를 포함함을 특징으로 하는 캐패시터의 제조 방법.
- 제 10 항에 있어서,상기 습식세정은,황산 용액으로 1차 세정한 후 불산용액이 함유된 세정액을 사용하여 2차 세정하는 것을 특징으로 하는 캐패시터의 제조 방법.
- 제 10 항에 있어서,상기 인을 도핑하는 단계는,50sccm∼2000sccm의 유량을 갖는 1%∼5% PH3/N2또는 PH3/He 중 어느 한 가스분위기에서 열도핑하는 것을 특징으로 하는 캐패시터의 제조 방법.
- 제 12 항에 있어서,상기 열도핑은 600℃±50℃의 온도와 1torr∼100torr의 압력을 유지하는 전기로에서 30분∼120분동안 이루어짐을 특징으로 하는 캐패시터의 제조 방법.
- 제 10 항에 있어서,상기 인을 도핑하는 단계는,매엽식 챔버내의 PH3분위기하에서 플라즈마(RF 파워:100W∼500W)를 30초∼120초동안 방전시켜 이루어짐을 특징으로 하는 캐패시터의 제조 방법.
- 제 10 항에 있어서,상기 인을 도핑하는 단계는,750℃∼950℃의 온도와 PH3분위기를 유지하는 급속열처리장치에서 30초∼120초동안 이루어짐을 특징으로 하는 캐패시터의 제조 방법.
- 제 6 항에 있어서,상기 감광막은 0.5㎛∼1.5㎛의 두께로 도포되는 것을 특징으로 하는 캐패시터의 제조 방법.
- 제 6 항에 있어서,상기 도전막은 300Å∼600Å의 두께로 형성되는 것을 특징으로 하는 캐패시터의 제조 방법.
- 제 6 항에 있어서,상기 도전막은 도우프드 폴리실리콘 및 도우프드 비정질실리콘을 포함하는 실리콘계 물질, TiN, TaN, W, WN, Ru, Ir 및 Pt을 포함하는 금속 물질, RuO2및 IrO2를 포함하는 금속산화물 및 WSi를 포함한 실리사이드로 이루어진 전극물질중에서 선택된 적어도 하나 또는 이들의 조합막을 포함함을 특징으로 하는 캐패시터의 제조 방법.
- 반도체기판상에 제1절연막을 형성하는 단계;상기 제1절연막상에 다수의 비트라인을 형성하는 단계;상기 비트라인 사이의 상기 제1절연막을 관통하여 상기 반도체기판에 이르는 콘택홀을 형성하는 단계;상기 콘택홀의 측벽에 스페이서를 형성하는 단계;상기 콘택홀을 통해 상기 반도체기판에 콘택되는 제1콘택플러그를 형성하는단계;상기 제1콘택플러그를 포함한 상기 제1절연막상에 식각배리어막과 제2절연막을 차례로 형성하는 단계;상기 제2절연막과 상기 식각배리어막을 순차적으로 식각하여 상기 제1콘택플러그를 노출시키는 개구부를 형성하는 단계;상기 개구부를 포함한 전면에 제1도전막을 형성하는 단계;상기 제1도전막이 상기 제2절연막보다 상대적으로 더 식각되도록 상기 제1도전막을 선택적으로 식각하여 상기 개구부내에 스토리지노드를 형성하는 단계; 및상기 스토리지노드상에 유전막, 플레이트노드를 순차적으로 형성하는 단계를 포함하여 이루어짐을 특징으로 하는 반도체소자의 제조 방법.
- 제 19 항에 있어서,상기 스페이서를 형성하는 단계는,상기 콘택홀을 포함한 전면에 질화막을 증착하는 단계; 및상기 질화막을 전면식각하는 단계를 포함하여 이루어짐을 특징으로 하는 반도체소자의 제조 방법.
- 제 19 항에 있어서,상기 스토리지노드를 형성하는 단계는,상기 제1도전막상에 감광막을 도포하는 단계;상기 감광막을 에치백하여 상기 개구부내에만 잔류시키는 단계;상기 잔류하는 감광막을 그대로 두고 상기 제1도전막을 에치백하여 상기 스토리지노드를 형성하는 단계; 및상기 감광막을 제거하는 단계를 포함하여 이루어짐을 특징으로 하는 캐패시터의 제조 방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0056742A KR100418573B1 (ko) | 2001-09-14 | 2001-09-14 | 반도체소자의 제조 방법 |
US10/238,637 US6777305B2 (en) | 2001-09-14 | 2002-09-11 | Method for fabricating semiconductor device |
US10/885,865 US20040241940A1 (en) | 2001-09-14 | 2004-07-08 | Method for fabricating semiconductor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0056742A KR100418573B1 (ko) | 2001-09-14 | 2001-09-14 | 반도체소자의 제조 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030023970A KR20030023970A (ko) | 2003-03-26 |
KR100418573B1 true KR100418573B1 (ko) | 2004-02-11 |
Family
ID=19714286
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2001-0056742A KR100418573B1 (ko) | 2001-09-14 | 2001-09-14 | 반도체소자의 제조 방법 |
Country Status (2)
Country | Link |
---|---|
US (2) | US6777305B2 (ko) |
KR (1) | KR100418573B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100949874B1 (ko) | 2003-07-22 | 2010-03-25 | 주식회사 하이닉스반도체 | 반도체소자의 저장전극 형성방법 |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6346730B1 (en) * | 1999-04-06 | 2002-02-12 | Semiconductor Energy Laboratory Co., Ltd. | Liquid crystal display device having a pixel TFT formed in a display region and a drive circuit formed in the periphery of the display region on the same substrate |
KR100505062B1 (ko) * | 2003-02-22 | 2005-07-29 | 삼성전자주식회사 | 반도체 소자의 제조방법 |
US7842581B2 (en) * | 2003-03-27 | 2010-11-30 | Samsung Electronics Co., Ltd. | Methods of forming metal layers using oxygen gas as a reaction source and methods of fabricating capacitors using such metal layers |
KR100505680B1 (ko) * | 2003-03-27 | 2005-08-03 | 삼성전자주식회사 | 루테늄층을 갖는 반도체 메모리 소자의 제조방법 및루테늄층제조장치 |
KR100532437B1 (ko) * | 2003-05-26 | 2005-11-30 | 삼성전자주식회사 | 반도체 메모리 소자 및 그 제조 방법 |
KR100557994B1 (ko) * | 2003-07-25 | 2006-03-06 | 삼성전자주식회사 | 매립 확장 콘택홀을 갖는 반도체 장치 및 그 제조방법 |
US6964908B2 (en) * | 2003-08-19 | 2005-11-15 | International Business Machines Corporation | Metal-insulator-metal capacitor and method of fabricating same |
US6949457B1 (en) * | 2004-01-21 | 2005-09-27 | Kla-Tencor Technologies Corporation | Barrier enhancement |
KR100599050B1 (ko) | 2004-04-02 | 2006-07-12 | 삼성전자주식회사 | 반도체 장치 및 그 제조 방법 |
KR100733463B1 (ko) * | 2004-07-06 | 2007-06-28 | 주식회사 하이닉스반도체 | 반도체 소자 및 그 제조 방법 |
KR100549014B1 (ko) * | 2004-07-21 | 2006-02-02 | 삼성전자주식회사 | 스페이서 패턴을 갖는 반도체 장치들 및 그 형성방법들 |
KR100604911B1 (ko) * | 2004-10-20 | 2006-07-28 | 삼성전자주식회사 | 하부전극 콘택을 갖는 반도체 메모리 소자 및 그 제조방법 |
US7037774B1 (en) * | 2004-10-21 | 2006-05-02 | Integrated Device Technology, Inc. | Self-aligned contact structure and process for forming self-aligned contact structure |
KR100668833B1 (ko) * | 2004-12-17 | 2007-01-16 | 주식회사 하이닉스반도체 | 반도체소자의 캐패시터 제조방법 |
KR100558036B1 (ko) * | 2004-12-28 | 2006-03-07 | 주식회사 하이닉스반도체 | 반도체메모리장치의 제조 방법 |
KR100726148B1 (ko) * | 2005-04-29 | 2007-06-13 | 주식회사 하이닉스반도체 | 반도체소자의 제조방법 |
KR100792393B1 (ko) * | 2005-04-29 | 2008-01-09 | 주식회사 하이닉스반도체 | 반도체소자의 제조방법 |
KR100772532B1 (ko) * | 2005-04-29 | 2007-11-01 | 주식회사 하이닉스반도체 | 반도체 소자 제조 방법 |
KR100965502B1 (ko) * | 2005-08-15 | 2010-06-24 | 후지쯔 세미컨덕터 가부시키가이샤 | 반도체 장치와 그 제조 방법 |
KR100724568B1 (ko) * | 2005-10-12 | 2007-06-04 | 삼성전자주식회사 | 반도체 메모리 소자 및 그 제조방법 |
US7582549B2 (en) | 2006-08-25 | 2009-09-01 | Micron Technology, Inc. | Atomic layer deposited barium strontium titanium oxide films |
CN100517648C (zh) * | 2006-12-15 | 2009-07-22 | 中芯国际集成电路制造(上海)有限公司 | 用于蚀刻的系统和方法 |
DE102007004884A1 (de) * | 2007-01-31 | 2008-08-14 | Advanced Micro Devices, Inc., Sunnyvale | Verfahren zur Herstellung einer Metallschicht über einem strukturierten Dielektrikum durch stromlose Abscheidung unter Anwendung einer selektiv vorgesehenen Aktivierungsschicht |
KR100881728B1 (ko) * | 2007-05-04 | 2009-02-06 | 주식회사 하이닉스반도체 | 루테늄전극을 구비한 반도체소자 및 그 제조 방법 |
KR101497546B1 (ko) * | 2008-11-06 | 2015-03-03 | 삼성전자주식회사 | 콘택홀내에 스페이서를 구비하는 반도체 장치의 제조방법 |
KR101094400B1 (ko) * | 2010-12-15 | 2011-12-15 | 주식회사 하이닉스반도체 | 매립게이트를 구비한 반도체 장치 및 그 제조방법 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20000027785A (ko) * | 1998-10-29 | 2000-05-15 | 김영환 | 반도체소자의 캐패시터 제조방법 |
KR20000044552A (ko) * | 1998-12-30 | 2000-07-15 | 김영환 | 반도체 소자의 캐패시터 제조방법 |
KR20010005108A (ko) * | 1999-06-30 | 2001-01-15 | 김영환 | 반도체소자의 제조방법 |
KR20010046152A (ko) * | 1999-11-10 | 2001-06-05 | 박종섭 | 고용량 반도체 메모리장치의 커패시터 제조방법 |
KR20010046663A (ko) * | 1999-11-15 | 2001-06-15 | 윤종용 | 반도체 메모리 장치의 캐패시터 하부전극용 배리드 콘택홀형성방법 |
KR20010063777A (ko) * | 1999-12-24 | 2001-07-09 | 박종섭 | 반도체 소자의 제조 방법 |
KR20010068611A (ko) * | 2000-01-07 | 2001-07-23 | 박종섭 | 커패시터 형성방법 |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5521121A (en) * | 1995-04-03 | 1996-05-28 | Taiwan Semiconductor Manufacturing Company | Oxygen plasma etch process post contact layer etch back |
US5597754A (en) * | 1995-05-25 | 1997-01-28 | Industrial Technology Research Institute | Increased surface area for DRAM, storage node capacitors, using a novel polysilicon deposition and anneal process |
US5597756A (en) * | 1995-06-21 | 1997-01-28 | Micron Technology, Inc. | Process for fabricating a cup-shaped DRAM capacitor using a multi-layer partly-sacrificial stack |
JPH09321239A (ja) * | 1996-05-30 | 1997-12-12 | Hitachi Ltd | 半導体集積回路装置の製造方法 |
JPH10242147A (ja) | 1997-02-27 | 1998-09-11 | Toshiba Corp | 半導体装置およびその製造方法ならびに半導体記憶装置およびその製造方法 |
US6218260B1 (en) * | 1997-04-22 | 2001-04-17 | Samsung Electronics Co., Ltd. | Methods of forming integrated circuit capacitors having improved electrode and dielectric layer characteristics and capacitors formed thereby |
TW385544B (en) * | 1998-03-02 | 2000-03-21 | Samsung Electronics Co Ltd | Apparatus for manufacturing semiconductor device, and method of manufacturing capacitor of semiconductor device thereby |
KR100301370B1 (ko) | 1998-04-29 | 2001-10-27 | 윤종용 | 디램셀커패시터의제조방법 |
JP4024940B2 (ja) * | 1998-09-04 | 2007-12-19 | 株式会社ルネサステクノロジ | 半導体装置の製造方法 |
JP3125770B2 (ja) * | 1998-11-11 | 2001-01-22 | 日本電気株式会社 | 容量素子の形成方法 |
US6146968A (en) | 1998-12-09 | 2000-11-14 | Taiwan Semiconductor Manufacturing Corp. | Method for forming a crown capacitor |
US6274426B1 (en) * | 1999-02-25 | 2001-08-14 | Taiwan Semiconductor Manufacturing Company | Self-aligned contact process for a crown shaped dynamic random access memory capacitor structure |
US6348709B1 (en) * | 1999-03-15 | 2002-02-19 | Micron Technology, Inc. | Electrical contact for high dielectric constant capacitors and method for fabricating the same |
US6225160B1 (en) * | 1999-04-20 | 2001-05-01 | United Microelectronics, Corp. | Method of manufacturing bottom electrode of capacitor |
US6010942A (en) * | 1999-05-26 | 2000-01-04 | Vanguard International Semiconductor Corporation | Post chemical mechanical polishing, clean procedure, used for fabrication of a crown shaped capacitor structure |
JP2001053246A (ja) | 1999-06-02 | 2001-02-23 | Matsushita Electric Ind Co Ltd | 半導体装置及びその製造方法 |
US6163047A (en) * | 1999-07-12 | 2000-12-19 | Vanguard International Semiconductor Corp. | Method of fabricating a self aligned contact for a capacitor over bitline, (COB), memory cell |
KR100309077B1 (ko) | 1999-07-26 | 2001-11-01 | 윤종용 | 삼중 금속 배선 일 트랜지스터/일 커패시터 및 그 제조 방법 |
JP2001053249A (ja) | 1999-08-05 | 2001-02-23 | Tokyo Electron Ltd | 半導体装置およびその製造方法 |
US6228700B1 (en) | 1999-09-03 | 2001-05-08 | United Microelectronics Corp. | Method for manufacturing dynamic random access memory |
US6184081B1 (en) | 1999-10-08 | 2001-02-06 | Vanguard International Semiconductor Corporation | Method of fabricating a capacitor under bit line DRAM structure using contact hole liners |
TW442961B (en) | 1999-10-08 | 2001-06-23 | Taiwan Semiconductor Mfg | Manufacturing method of double-recess crown capacitor of DRAM |
US6436763B1 (en) * | 2000-02-07 | 2002-08-20 | Taiwan Semiconductor Manufacturing Company | Process for making embedded DRAM circuits having capacitor under bit-line (CUB) |
KR100338826B1 (ko) * | 2000-08-28 | 2002-05-31 | 박종섭 | 커패시터의 전하저장전극 형성방법 |
US7115518B2 (en) * | 2001-10-02 | 2006-10-03 | Matsushita Electric Industrial Co., Ltd. | Method for fabricating semiconductor device comprising forming holes in a multi-layer insulating film |
-
2001
- 2001-09-14 KR KR10-2001-0056742A patent/KR100418573B1/ko active IP Right Grant
-
2002
- 2002-09-11 US US10/238,637 patent/US6777305B2/en not_active Expired - Lifetime
-
2004
- 2004-07-08 US US10/885,865 patent/US20040241940A1/en not_active Abandoned
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20000027785A (ko) * | 1998-10-29 | 2000-05-15 | 김영환 | 반도체소자의 캐패시터 제조방법 |
KR20000044552A (ko) * | 1998-12-30 | 2000-07-15 | 김영환 | 반도체 소자의 캐패시터 제조방법 |
KR20010005108A (ko) * | 1999-06-30 | 2001-01-15 | 김영환 | 반도체소자의 제조방법 |
KR20010046152A (ko) * | 1999-11-10 | 2001-06-05 | 박종섭 | 고용량 반도체 메모리장치의 커패시터 제조방법 |
KR20010046663A (ko) * | 1999-11-15 | 2001-06-15 | 윤종용 | 반도체 메모리 장치의 캐패시터 하부전극용 배리드 콘택홀형성방법 |
KR20010063777A (ko) * | 1999-12-24 | 2001-07-09 | 박종섭 | 반도체 소자의 제조 방법 |
KR20010068611A (ko) * | 2000-01-07 | 2001-07-23 | 박종섭 | 커패시터 형성방법 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100949874B1 (ko) | 2003-07-22 | 2010-03-25 | 주식회사 하이닉스반도체 | 반도체소자의 저장전극 형성방법 |
Also Published As
Publication number | Publication date |
---|---|
US20030054634A1 (en) | 2003-03-20 |
US20040241940A1 (en) | 2004-12-02 |
US6777305B2 (en) | 2004-08-17 |
KR20030023970A (ko) | 2003-03-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100418573B1 (ko) | 반도체소자의 제조 방법 | |
US8450164B2 (en) | Methods of forming a plurality of capacitors | |
KR100703014B1 (ko) | 실리콘 산화물 식각액 및 이를 이용한 반도체 소자의 제조 방법 | |
US5786259A (en) | Methods of forming integrated circuit capacitors including etch stopping layers | |
JP3384599B2 (ja) | 半導体装置及びその製造方法 | |
KR100399072B1 (ko) | 강유전체 메모리 소자의 제조 방법 | |
US20060183252A1 (en) | Ferroelectric memory devices | |
US7115468B2 (en) | Semiconductor device and method for fabricating the same | |
KR100413606B1 (ko) | 캐패시터의 제조 방법 | |
US6277687B1 (en) | Method of forming a pair of capacitors having a common capacitor electrode, method of forming DRAM circuitry, integrated circuitry and DRAM circuitry | |
KR100355777B1 (ko) | 집적회로 구조물 및 그 제조방법 | |
US6534810B2 (en) | Semiconductor memory device having capacitor structure formed in proximity to corresponding transistor | |
JP4497260B2 (ja) | 半導体集積回路装置およびその製造方法 | |
KR100445063B1 (ko) | 반도체 소자의 커패시터 형성 방법 | |
KR100431739B1 (ko) | 반도체소자의 캐패시터 제조방법 | |
KR100476379B1 (ko) | 캐패시터의 제조 방법 | |
KR100476380B1 (ko) | 반도체 장치의 실린더형 캐패시터 제조방법 | |
KR100531462B1 (ko) | 엠티피 구조의 캐패시터를 구비하는 강유전체 메모리소자의 제조 방법 | |
KR100418584B1 (ko) | 강유전체 메모리 소자에서의 캐패시터의 제조방법 | |
KR100846368B1 (ko) | 메모리 소자 및 그 제조 방법 | |
KR20010057385A (ko) | 캐패시터 및 그의 제조 방법 | |
KR20030057704A (ko) | 강유전체 캐패시터 및 그 제조 방법 | |
KR20040051070A (ko) | 금속 스토리지 노드를 갖는 반도체 소자의 제조방법 | |
KR20030042874A (ko) | 반도체소자의 제조방법 | |
KR20050041185A (ko) | 하부전극이 절연막에 의해 분리된 구조를 갖는강유전체메모리소자의 제조 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20130128 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20140122 Year of fee payment: 11 |
|
FPAY | Annual fee payment |
Payment date: 20150121 Year of fee payment: 12 |
|
FPAY | Annual fee payment |
Payment date: 20160121 Year of fee payment: 13 |
|
FPAY | Annual fee payment |
Payment date: 20170124 Year of fee payment: 14 |
|
FPAY | Annual fee payment |
Payment date: 20180122 Year of fee payment: 15 |