KR20080106034A - 반도체 장치의 제조 방법 및 기판 처리 장치 - Google Patents
반도체 장치의 제조 방법 및 기판 처리 장치 Download PDFInfo
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- KR20080106034A KR20080106034A KR1020080049537A KR20080049537A KR20080106034A KR 20080106034 A KR20080106034 A KR 20080106034A KR 1020080049537 A KR1020080049537 A KR 1020080049537A KR 20080049537 A KR20080049537 A KR 20080049537A KR 20080106034 A KR20080106034 A KR 20080106034A
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- 238000012545 processing Methods 0.000 title claims abstract description 105
- 238000000034 method Methods 0.000 title claims abstract description 100
- 239000000758 substrate Substances 0.000 title claims abstract description 86
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 35
- 239000004065 semiconductor Substances 0.000 title claims abstract description 30
- 238000004140 cleaning Methods 0.000 claims abstract description 86
- 239000006227 byproduct Substances 0.000 claims abstract description 63
- 229910052707 ruthenium Inorganic materials 0.000 claims abstract description 27
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims abstract description 26
- 125000001309 chloro group Chemical group Cl* 0.000 claims abstract description 6
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 6
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims description 89
- 238000005530 etching Methods 0.000 claims description 19
- 230000015572 biosynthetic process Effects 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 239000011261 inert gas Substances 0.000 claims description 11
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 claims description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 5
- 125000001153 fluoro group Chemical group F* 0.000 claims description 4
- 229910001925 ruthenium oxide Inorganic materials 0.000 claims description 4
- 150000002222 fluorine compounds Chemical group 0.000 claims description 2
- 238000000151 deposition Methods 0.000 abstract description 3
- 230000008021 deposition Effects 0.000 abstract description 2
- 239000011737 fluorine Substances 0.000 abstract description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 16
- 238000005755 formation reaction Methods 0.000 description 13
- 239000002994 raw material Substances 0.000 description 12
- 239000003990 capacitor Substances 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 238000012546 transfer Methods 0.000 description 9
- 238000005229 chemical vapour deposition Methods 0.000 description 8
- 239000011229 interlayer Substances 0.000 description 8
- 238000002230 thermal chemical vapour deposition Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 239000012495 reaction gas Substances 0.000 description 6
- 239000006200 vaporizer Substances 0.000 description 6
- 230000003028 elevating effect Effects 0.000 description 5
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 4
- 229910001882 dioxygen Inorganic materials 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 230000006641 stabilisation Effects 0.000 description 4
- 238000011105 stabilization Methods 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 3
- 238000010926 purge Methods 0.000 description 3
- 238000000231 atomic layer deposition Methods 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000005108 dry cleaning Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- JOHWNGGYGAVMGU-UHFFFAOYSA-N trifluorochlorine Chemical compound FCl(F)F JOHWNGGYGAVMGU-UHFFFAOYSA-N 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- GJBJZRBUIDLGND-UHFFFAOYSA-N CC(=C[Ru](C1C=CC=C1)CC)C=C(C)C Chemical compound CC(=C[Ru](C1C=CC=C1)CC)C=C(C)C GJBJZRBUIDLGND-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 229910052774 Proactinium Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- YBCAZPLXEGKKFM-UHFFFAOYSA-K ruthenium(iii) chloride Chemical compound [Cl-].[Cl-].[Cl-].[Ru+3] YBCAZPLXEGKKFM-UHFFFAOYSA-K 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- YRQNNUGOBNRKKW-UHFFFAOYSA-K trifluororuthenium Chemical compound F[Ru](F)F YRQNNUGOBNRKKW-UHFFFAOYSA-K 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/06—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of metallic material
- C23C16/18—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of metallic material from metallo-organic compounds
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/4401—Means for minimising impurities, e.g. dust, moisture or residual gas, in the reaction chamber
- C23C16/4405—Cleaning of reactor or parts inside the reactor by using reactive gases
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/4401—Means for minimising impurities, e.g. dust, moisture or residual gas, in the reaction chamber
-
- 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
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02612—Formation types
- H01L21/02617—Deposition types
- H01L21/0262—Reduction or decomposition of gaseous compounds, e.g. CVD
-
- 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
- H01L21/285—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation
-
- 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
- H01L28/65—Electrodes comprising a noble metal or a noble metal oxide, e.g. platinum (Pt), ruthenium (Ru), ruthenium dioxide (RuO2), iridium (Ir), iridium dioxide (IrO2)
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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
- 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
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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
- 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
- H10B12/318—DRAM devices comprising one-transistor - one-capacitor [1T-1C] memory cells having a storage electrode stacked over the transistor the storage electrode having multiple segments
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- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Electrodes Of Semiconductors (AREA)
- Chemical Vapour Deposition (AREA)
- ing And Chemical Polishing (AREA)
Abstract
Description
Claims (14)
- 처리실 내에 기판을 반입하는 공정과,상기 처리실 내에 원료 가스를 공급하여 기판상에 루테늄(ruthenium)을 포함하는 막을 성막하는 공정과,성막 후의 기판을 상기 처리실 내로부터 반출하는 공정과,상기 처리실 내에 불소 원자 또는 염소 원자를 포함하는 클리닝 가스를 공급하여 상기 처리실 내에 부착한 루테늄을 포함하는 퇴적물을 제거하는 공정과,상기 퇴적물을 제거할 때 상기 퇴적물의 표면을 덮도록 생성된 부(副)생성물을 제거하여 상기 퇴적물의 표면을 노출시키는 공정을 교대로 복수 회 반복함으로써 상기 처리실 내를 클리닝하는 공정을 포함하는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제1항에 있어서, 상기 부생성물은 불화물 또는 염화물인 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제1항에 있어서, 상기 부생성물은 RuF5 또는 RuCl3인 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제1항에 있어서, 상기 부생성물의 제거는, 상기 퇴적물의 표면이 상기 부생성물에 의해 완전히 덮인 후, 또는 상기 퇴적물의 표면이 상기 부생성물에 의해 완전히 덮이기 직전에 개시하는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제1항에 있어서, 상기 부생성물의 제거는, 상기 클리닝 가스에 의한 상기 퇴적물의 에칭 반응이 생기지 않게 되었을 때, 또는 상기 에칭 반응이 생기지 않게 되기 직전에 개시하는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제1항에 있어서, 상기 부생성물의 제거는, 상기 클리닝 가스에 의한 상기 퇴적물의 에칭이 상기 부생성물에 의해 완전히 블록(block)되었을 때, 또는 상기 에칭이 상기 부생성물에 의해 완전히 블록되기 직전에 개시하는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제1항에 있어서, 상기 부생성물의 제거는, 상기 부생성물이 완전히 제거되고, 상기 퇴적물의 표면이 완전히 노출할 때까지 실시하는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제1항에 있어서, 상기 부생성물의 제거는 상기 클리닝 가스에 의한 상기 퇴적물의 에칭 레이트가, 상기 부생성물이 생성되기 전의 레벨로 회복할 때까지 실시하는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제1항에 있어서, 상기 부생성물의 제거는 상기 클리닝 가스의 공급을 정지하고 상기 처리실 내를 진공 배기함으로써 실시하는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제1항에 있어서, 상기 부생성물의 제거는 상기 클리닝 가스의 공급을 정지하고 상기 처리실 내로 불활성 가스를 공급하면서 상기 처리실 내를 진공 배기함으로써 실시하는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제1항에 있어서, 상기 처리실 내를 클리닝할 때의 상기 처리실 내의 온도를 250 ~ 500℃로 하고, 상기 퇴적물을 제거할 때의 상기 처리실 내의 압력을 665 ~ 13300Pa로 하며, 상기 부생성물을 제거할 때의 상기 처리실 내의 압력을 0.1 ~ 100Pa로 하는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제1항에 있어서, 상기 클리닝 가스는 ClF3 가스인 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제1항에 있어서, 상기 루테늄을 포함하는 막은, 루테늄막, 산화 루테늄막, 또는 루테늄막과 산화 루테늄막의 적층막인 것을 특징으로 하는 반도체 장치의 제 조 방법.
- 기판을 처리하는 처리실과,상기 처리실 내에 루테늄을 포함하는 막을 성막하기 위한 원료 가스를 공급하는 원료 가스 공급구와,상기 처리실 내에 불소 원자 또는 염소 원자를 포함하는 클리닝 가스를 공급하는 클리닝 가스 공급구와,상기 처리실 내에 상기 클리닝 가스를 공급하여 성막시에 상기 처리실 내에 부착한 루테늄을 포함하는 퇴적물을 제거하고, 그 때 상기 퇴적물의 표면을 덮도록 생성된 부생성물을 제거하여 상기 퇴적물의 표면을 노출시키고, 이것을 교대로 복수 회 반복하여 상기 처리실 내를 클리닝하도록 제어하는 컨트롤러를 포함하는 것을 특징으로 하는 기판 처리 장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2007145870A JP5078444B2 (ja) | 2007-05-31 | 2007-05-31 | 半導体装置の製造方法、クリーニング方法及び基板処理装置 |
JPJP-P-2007-00145870 | 2007-05-31 |
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KR20080106034A true KR20080106034A (ko) | 2008-12-04 |
KR100989028B1 KR100989028B1 (ko) | 2010-10-20 |
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US (1) | US7709276B2 (ko) |
JP (1) | JP5078444B2 (ko) |
KR (1) | KR100989028B1 (ko) |
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US7927993B2 (en) * | 2008-12-26 | 2011-04-19 | Texas Instruments Incorporated | Cross-contamination control for semiconductor process flows having metal comprising gate electrodes |
US20110088718A1 (en) * | 2009-10-16 | 2011-04-21 | Matheson Tri-Gas, Inc. | Chamber cleaning methods using fluorine containing cleaning compounds |
KR101514159B1 (ko) | 2010-09-29 | 2015-04-21 | 가부시키가이샤 아루박 | 박막 제조 방법 및 박막 제조 장치 |
JP6055637B2 (ja) * | 2012-09-20 | 2016-12-27 | 株式会社日立国際電気 | クリーニング方法、半導体装置の製造方法、基板処理装置及びプログラム |
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