KR101078738B1 - 반도체 소자의 구리배선 및 그 형성방법 - Google Patents
반도체 소자의 구리배선 및 그 형성방법 Download PDFInfo
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- KR101078738B1 KR101078738B1 KR1020090084407A KR20090084407A KR101078738B1 KR 101078738 B1 KR101078738 B1 KR 101078738B1 KR 1020090084407 A KR1020090084407 A KR 1020090084407A KR 20090084407 A KR20090084407 A KR 20090084407A KR 101078738 B1 KR101078738 B1 KR 101078738B1
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- 238000000034 method Methods 0.000 title claims abstract description 70
- 239000004065 semiconductor Substances 0.000 title claims abstract description 63
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 124
- 239000010949 copper Substances 0.000 claims abstract description 124
- 229910052802 copper Inorganic materials 0.000 claims abstract description 124
- 239000002245 particle Substances 0.000 claims abstract description 59
- 238000009792 diffusion process Methods 0.000 claims abstract description 56
- 239000003054 catalyst Substances 0.000 claims abstract description 55
- 230000004888 barrier function Effects 0.000 claims abstract description 45
- 239000002094 self assembled monolayer Substances 0.000 claims abstract description 37
- 239000013545 self-assembled monolayer Substances 0.000 claims abstract description 37
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 31
- 239000000758 substrate Substances 0.000 claims abstract description 27
- 239000011229 interlayer Substances 0.000 claims abstract description 21
- 229910052707 ruthenium Inorganic materials 0.000 claims description 68
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 66
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 33
- 229910052698 phosphorus Inorganic materials 0.000 claims description 33
- 239000011574 phosphorus Substances 0.000 claims description 33
- 238000007772 electroless plating Methods 0.000 claims description 21
- 239000010410 layer Substances 0.000 claims description 19
- 238000007747 plating Methods 0.000 claims description 18
- 239000000126 substance Substances 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 11
- 239000002861 polymer material Substances 0.000 claims description 11
- 239000003638 chemical reducing agent Substances 0.000 claims description 10
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- 125000003277 amino group Chemical group 0.000 claims description 8
- 238000000151 deposition Methods 0.000 claims description 8
- 229910052697 platinum Inorganic materials 0.000 claims description 8
- 229910052709 silver Inorganic materials 0.000 claims description 8
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- 125000003396 thiol group Chemical group [H]S* 0.000 claims description 7
- 229910052763 palladium Inorganic materials 0.000 claims description 6
- 229910001925 ruthenium oxide Inorganic materials 0.000 claims description 6
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000003960 organic solvent Substances 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 238000002444 silanisation Methods 0.000 claims description 4
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 claims description 3
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000001590 oxidative effect Effects 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 229910000077 silane Inorganic materials 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 239000012279 sodium borohydride Substances 0.000 claims 1
- 229910000033 sodium borohydride Inorganic materials 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 abstract description 24
- 239000002184 metal Substances 0.000 abstract description 24
- 239000010408 film Substances 0.000 description 189
- 230000008569 process Effects 0.000 description 18
- 239000010409 thin film Substances 0.000 description 8
- 238000001338 self-assembly Methods 0.000 description 7
- 238000009713 electroplating Methods 0.000 description 6
- 229910044991 metal oxide Inorganic materials 0.000 description 6
- 150000004706 metal oxides Chemical class 0.000 description 6
- 230000003405 preventing effect Effects 0.000 description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- -1 NaBH 4 Chemical compound 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 2
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 2
- HHLFWLYXYJOTON-UHFFFAOYSA-N glyoxylic acid Chemical compound OC(=O)C=O HHLFWLYXYJOTON-UHFFFAOYSA-N 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- SJECZPVISLOESU-UHFFFAOYSA-N 3-trimethoxysilylpropan-1-amine Chemical compound CO[Si](OC)(OC)CCCN SJECZPVISLOESU-UHFFFAOYSA-N 0.000 description 1
- KWSLGOVYXMQPPX-UHFFFAOYSA-N 5-[3-(trifluoromethyl)phenyl]-2h-tetrazole Chemical compound FC(F)(F)C1=CC=CC(C2=NNN=N2)=C1 KWSLGOVYXMQPPX-UHFFFAOYSA-N 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- 229920001030 Polyethylene Glycol 4000 Polymers 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 229910000365 copper sulfate Inorganic materials 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 150000003303 ruthenium Chemical class 0.000 description 1
- 229910001379 sodium hypophosphite Inorganic materials 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
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- 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
- H01L23/532—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 characterised by the materials
- H01L23/53204—Conductive materials
- H01L23/53209—Conductive materials based on metals, e.g. alloys, metal silicides
- H01L23/53228—Conductive materials based on metals, e.g. alloys, metal silicides the principal metal being copper
- H01L23/53238—Additional layers associated with copper layers, e.g. adhesion, barrier, cladding layers
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- 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
- H01L21/288—Deposition of conductive or insulating materials for electrodes conducting electric current from a liquid, e.g. electrolytic 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
- H01L21/70—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
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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
- H01L21/70—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
- H01L21/76841—Barrier, adhesion or liner layers
- H01L21/76843—Barrier, adhesion or liner layers formed in openings in a dielectric
- H01L21/76846—Layer combinations
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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
- 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
- H01L21/76841—Barrier, adhesion or liner layers
- H01L21/76871—Layers specifically deposited to enhance or enable the nucleation of further layers, i.e. seed layers
- H01L21/76873—Layers specifically deposited to enhance or enable the nucleation of further layers, i.e. seed layers for electroplating
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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
- 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
- H01L21/76841—Barrier, adhesion or liner layers
- H01L21/76871—Layers specifically deposited to enhance or enable the nucleation of further layers, i.e. seed layers
- H01L21/76874—Layers specifically deposited to enhance or enable the nucleation of further layers, i.e. seed layers for electroless plating
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- H01L2221/10—Applying interconnections to be used for carrying current between separate components within a device
- H01L2221/1068—Formation and after-treatment of conductors
- H01L2221/1073—Barrier, adhesion or liner layers
- H01L2221/1084—Layers specifically deposited to enhance or enable the nucleation of further layers, i.e. seed layers
- H01L2221/1089—Stacks of seed layers
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- 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
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Abstract
Description
Claims (41)
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- 반도체 기판의 상부에 배선 형성 영역을 갖는 층간절연막을 형성하는 단계;상기 배선 형성 영역 표면을 포함한 층간절연막 상에 자기조립단분자막을 형성하는 단계;상기 자기조립단분자막의 표면에 촉매입자들을 흡착시키는 단계;상기 촉매입자들을 포함한 자기조립단분자막 상에 무전해 도금으로 씨드막 및 확산방지막의 역할을 겸하는 인(P)이 혼입된 루테늄막을 형성하는 단계; 및상기 루테늄막 상에 배선 형성 영역을 매립하도록 구리막을 형성하는 단계;를 포함하는 것을 특징으로 하는 반도체 소자의 구리배선 형성방법.
- 제 14 항에 있어서, 상기 자기조립단분자막을 형성하는 단계는,상기 배선 형성 영역을 포함하는 반도체 기판의 결과물을 유기용매에 표면 극성을 갖는 고분자 물질이 혼합된 케미컬에 침적시키는 단계; 및상기 고분자 물질의 실란화 반응이 일어나도록 상기 케미컬에 침적된 반도체 기판의 결과물을 가열하는 단계;상기 반응 잔류물이 제거되도록 반도체 기판의 결과물을 세정하는 단계; 및상기 세정된 반도체 기판의 결과물을 베이킹하는 단계;를 포함하는 것을 특징으로 하는 반도체 소자의 구리배선 형성방법.
- 제 15 항에 있어서, 상기 고분자 물질은 아민기 또는 시올기를 포함하는 것을 특징으로 하는 반도체 소자의 구리배선 형성방법.
- 제 16 항에 있어서, 상기 아민기 또는 시올기를 갖는 물질은, 3-아미노프로필트리에톡시-실란(3-aminopropyltriethoxy-silane) 또는 3-메트캅토필트리메톡시-실란(3-mercaptopyltrimethoxy-silane)을 포함하는 것을 특징으로 하는 반도체 소자의 구리배선 형성방법.
- 제 15 항에 있어서, 상기 케미컬은 유기용매 1ℓ에 고분자를 15∼35g의 비율로 혼합하여 구성하는 것을 특징으로 하는 반도체 소자의 구리배선 형성방법.
- 제 15 항에 있어서, 상기 고분자 물질의 실란화 반응은 50∼70℃ 온도로 60∼400분 동안 가열하는 방식으로 수행하는 것을 특징으로 하는 반도체 소자의 구리배선 형성방법.
- 제 15 항에 있어서, 상기 세정하는 단계는 에탄올을 이용해서 수행하는 것을 특징으로 하는 반도체 소자의 구리배선 형성방법.
- 제 15 항에 있어서, 상기 베이킹하는 단계는 진공오븐에서 100∼140℃ 온도로 3∼30분 동안 수행하는 것을 특징으로 하는 반도체 소자의 구리배선 형성방법.
- 제 14 항에 있어서, 상기 촉매입자는 Au, Ru, Pt, Pd, Ag 및 Ni 중 어느 하나를 포함하는 것을 특징으로 하는 반도체 소자의 구리배선 형성방법.
- 제 14 항에 있어서, 상기 촉매입자는 0.1∼10㎚의 직경을 갖는 것을 특징으로 하는 반도체 소자의 구리배선 형성방법.
- 제 14 항에 있어서, 상기 촉매입자를 흡착시키는 단계는, 상기 자기조립단분자막이 형성된 반도체 기판의 결과물을 상기 촉매입자들이 이온 상태로 함유된 케미컬에 30∼600분 동안 침적시킨 후, 환원제를 사용하여 상기 이온 상태의 촉매입자들을 환원시키는 방식으로 수행하는 것을 특징으로 하는 반도체 소자의 구리배선 형성방법.
- 제 24 항에 있어서, 상기 환원제는 하이드라진(hydrazin), NaBH4 및 포름알데히드 중 어느 하나를 포함하는 것을 특징으로 하는 반도체 소자의 구리배선 형성방법.
- 제 24 항에 있어서, 상기 촉매입자를 흡착시키는 단계는, 상기 촉매입자들이 분산된 케미컬의 pH 및 온도 중 어느 하나 이상을 변화시켜 촉매입자들간 간격을 조절하는 것을 특징으로 하는 반도체 소자의 구리배선 형성방법.
- 제 26 항에 있어서, 상기 촉매입자들이 분산된 케미컬의 pH는 3∼6 사이로 조절하는 것을 특징으로 하는 반도체 소자의 구리배선 형성방법.
- 제 26 항에 있어서, 상기 촉매입자들이 분산된 케미컬의 온도는 50∼60℃ 사이로 조절하는 것을 특징으로 하는 반도체 소자의 구리배선 형성방법.
- 제 26 항에 있어서, 상기 촉매입자들간 간격은 4∼8㎚로 조절하는 것을 특징으로 하는 반도체 소자의 구리배선 형성방법.
- 삭제
- 삭제
- 삭제
- 제 14 항에 있어서, 상기 무전해 도금은 RuCl3·XH2O, Na3C6H5O7·2H2O, HO2CCH·CHCO2H 및 환원제인 NaH2PO2H2ONaH2PO2H2O를 혼합한 도금액에 촉매입자들이 흡착된 반도체 기판의 결과물을 10∼300초 동안 침적시키는 방식으로 수행하는 것을 특징으로 하는 반도체 소자의 구리배선 형성방법.
- 제 33 항에 있어서, 상기 도금액은 RuCl3·XH2O를 2~3g, Na3C6H5O7·2H2O를 3~6g/L, HO2CCH·CHCO2H를 0.5~1g/L, 그리고, 환원제인 NaH2PO2H2ONaH2PO2H2O를 0.001∼0.1M 혼합하여 구성하고, pH를 10∼13으로 조절하며, 온도를 70∼90℃로 유지하는 것을 특징으로 하는 반도체 소자의 구리배선 형성방법.
- 제 14 항에 있어서, 상기 인(P)이 혼입된 루테늄막은 5∼20㎚ 두께로 형성하는 것을 특징으로 하는 반도체 소자의 구리배선 형성방법.
- 제 14 항에 있어서, 상기 배선 형성 영역을 매립하도록 구리막을 형성하는 단계 후,상기 층간절연막이 노출되도록 상기 층간절연막 상에 형성된 구리막, 인(P)이 혼입된 루테늄막, 촉매입자 및 자기조립단분자막을 제거하는 단계를 더 포함하는 것을 특징으로 하는 반도체 소자의 구리배선 형성방법.
- 제 14 항에 있어서, 상기 인(P)이 혼입된 루테늄막을 형성하는 단계 후, 그리고, 상기 배선 형성 영역을 매립하도록 구리막을 형성하는 단계 전,상기 인(P)이 혼입된 루테늄막 상에 보조 씨드막을 형성하는 단계를 더 포함하는 것을 특징으로 하는 반도체 소자의 구리배선 형성방법.
- 제 37 항에 있어서, 상기 보조 씨드막은 구리로 형성하는 것을 특징으로 하는 반도체 소자의 구리배선 형성방법.
- 제 14 항에 있어서, 상기 인(P)이 혼입된 루테늄막을 형성하는 단계 후, 그리고, 상기 배선 형성 영역을 매립하도록 구리막을 형성하는 단계 전,상기 인(P)이 혼입된 루테늄막의 표면에 보조 확산방지막을 형성하는 단계를 더 포함하는 것을 특징으로 하는 반도체 소자의 구리배선 형성방법.
- 제 39 항에 있어서, 상기 보조 확산방지막을 형성하는 단계는 상기 인(P)이 혼입된 루테늄막의 표면을 산화시켜 상기 인(P)이 혼입된 루테늄막의 표면에 루테늄 산화막을 형성하는 방식으로 수행하는 것을 특징으로 하는 반도체 소자의 구리배선 형성방법.
- 삭제
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US8575028B2 (en) * | 2011-04-15 | 2013-11-05 | Novellus Systems, Inc. | Method and apparatus for filling interconnect structures |
KR101309067B1 (ko) * | 2011-07-20 | 2013-09-16 | (주)루미나노 | 금속막의 형성 방법 |
CN110391177A (zh) * | 2013-09-29 | 2019-10-29 | 格罗方德半导体公司 | 自组装单层原位气相沉积作为铜助粘剂及扩散阻障件的方法 |
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EP3029724B1 (en) | 2014-12-01 | 2017-06-07 | IMEC vzw | Metallization method for semiconductor structures |
JP6359444B2 (ja) * | 2014-12-25 | 2018-07-18 | 東京エレクトロン株式会社 | 配線層形成方法、配線層形成システムおよび記憶媒体 |
CN107210260A (zh) * | 2015-02-16 | 2017-09-26 | 英特尔公司 | 微电子内建层及其形成方法 |
US10658487B2 (en) | 2015-12-09 | 2020-05-19 | Intel Corporation | Semiconductor devices having ruthenium phosphorus thin films |
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