KR100642750B1 - 반도체 소자 및 그 제조 방법 - Google Patents
반도체 소자 및 그 제조 방법 Download PDFInfo
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- KR100642750B1 KR100642750B1 KR1020050008700A KR20050008700A KR100642750B1 KR 100642750 B1 KR100642750 B1 KR 100642750B1 KR 1020050008700 A KR1020050008700 A KR 1020050008700A KR 20050008700 A KR20050008700 A KR 20050008700A KR 100642750 B1 KR100642750 B1 KR 100642750B1
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- metal nitride
- film
- nitride film
- amorphous metal
- semiconductor device
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 45
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims description 54
- 150000004767 nitrides Chemical class 0.000 claims abstract description 121
- 239000005300 metallic glass Substances 0.000 claims abstract description 52
- 239000000758 substrate Substances 0.000 claims abstract description 32
- 238000009792 diffusion process Methods 0.000 claims abstract description 29
- 239000010410 layer Substances 0.000 claims description 57
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 34
- 229910052718 tin Inorganic materials 0.000 claims description 34
- 230000004888 barrier function Effects 0.000 claims description 23
- 229910052802 copper Inorganic materials 0.000 claims description 16
- 229910052723 transition metal Inorganic materials 0.000 claims description 15
- 229910045601 alloy Inorganic materials 0.000 claims description 12
- 239000000956 alloy Substances 0.000 claims description 12
- 150000003624 transition metals Chemical class 0.000 claims description 10
- 229910052719 titanium Inorganic materials 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- 238000009713 electroplating Methods 0.000 claims description 8
- 229910052726 zirconium Inorganic materials 0.000 claims description 8
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 7
- 229910052738 indium Inorganic materials 0.000 claims description 6
- 229910052749 magnesium Inorganic materials 0.000 claims description 6
- 229910052721 tungsten Inorganic materials 0.000 claims description 6
- 229910052735 hafnium Inorganic materials 0.000 claims description 5
- -1 transition metal nitride Chemical class 0.000 claims description 5
- 229910004200 TaSiN Inorganic materials 0.000 claims description 3
- 229910008482 TiSiN Inorganic materials 0.000 claims description 3
- 229910008599 TiW Inorganic materials 0.000 claims description 3
- QRXWMOHMRWLFEY-UHFFFAOYSA-N isoniazide Chemical compound NNC(=O)C1=CC=NC=C1 QRXWMOHMRWLFEY-UHFFFAOYSA-N 0.000 claims description 3
- 229910052707 ruthenium Inorganic materials 0.000 claims description 3
- 229910052715 tantalum Inorganic materials 0.000 claims description 3
- 239000002356 single layer Substances 0.000 claims description 2
- 239000012528 membrane Substances 0.000 abstract 1
- 239000010408 film Substances 0.000 description 152
- 229910052751 metal Inorganic materials 0.000 description 67
- 239000002184 metal Substances 0.000 description 67
- 239000010949 copper Substances 0.000 description 52
- 230000008569 process Effects 0.000 description 15
- 238000002441 X-ray diffraction Methods 0.000 description 11
- 239000007789 gas Substances 0.000 description 11
- 238000010438 heat treatment Methods 0.000 description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 10
- 238000012360 testing method Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 7
- 229920002120 photoresistant polymer Polymers 0.000 description 7
- 238000005229 chemical vapour deposition Methods 0.000 description 6
- 239000004020 conductor Substances 0.000 description 6
- 238000005240 physical vapour deposition Methods 0.000 description 5
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- 238000001878 scanning electron micrograph Methods 0.000 description 5
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- 229910000838 Al alloy Inorganic materials 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 238000000231 atomic layer deposition Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000009736 wetting Methods 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000000137 annealing Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 229910052750 molybdenum Inorganic materials 0.000 description 3
- 238000005546 reactive sputtering Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000006104 solid solution Substances 0.000 description 3
- 239000011800 void material Substances 0.000 description 3
- 229910001093 Zr alloy Inorganic materials 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000004380 ashing Methods 0.000 description 2
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- 238000005868 electrolysis reaction Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 229920000620 organic polymer Polymers 0.000 description 2
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 2
- 229920003209 poly(hydridosilsesquioxane) Polymers 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- PMTRSEDNJGMXLN-UHFFFAOYSA-N titanium zirconium Chemical compound [Ti].[Zr] PMTRSEDNJGMXLN-UHFFFAOYSA-N 0.000 description 2
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 1
- 229910008651 TiZr Inorganic materials 0.000 description 1
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 239000004811 fluoropolymer Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
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- 229920001721 polyimide Polymers 0.000 description 1
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- 239000010453 quartz Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/70—Artificial fishing banks or reefs
-
- 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
-
- 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
-
- 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
- H01L21/76853—Barrier, adhesion or liner layers characterized by particular after-treatment steps
- H01L21/76861—Post-treatment or after-treatment not introducing additional chemical elements into the layer
- H01L21/76864—Thermal treatment
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/043—Artificial seaweed
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/046—Artificial reefs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
Abstract
Description
Claims (34)
- 기판;상기 기판 상에 형성되고, 개구부를 구비하는 절연막 패턴;상기 개구부 내면에 형성되고, N 농도가 31 at% 이하인 비정질 금속 질화막;상기 비정질 금속 질화막 상에 형성된 확산 방지막; 및상기 확산 방지막이 형성된 상기 개구부 내를 매립하는 도전막을 포함하는 반도체 소자.
- 삭제
- 제1 항에 있어서,상기 비정질 금속 질화막은 전이금속 질화물 또는 전이금속 합금 질화물로 이루어진 반도체 소자.
- 제3 항에 있어서,상기 비정질 금속 질화막은 Ti, Zr, Hf 및 이들의 합금으로 이루어진 그룹에서 선택된 어느 하나의 질화물인 반도체 소자.
- 제3 항에 있어서,상기 비정질 금속 질화막은 Mg, In, Sn 또는 Al을 약 1 ~ 10 at% 정도로 더 포함하는 반도체 소자.
- 제3 항에 있어서,상기 비정질 금속 질화막은 10 ~ 1000 Å의 두께인 반도체 소자.
- 제1 항에 있어서,상기 확산 방지막은 Ta, Ti, W, Ru, TiW, WBN, TaN, TiN, WN, TaC, WC, TiSiN, TaSiN 단일막 또는 이들이 적층된 다층막인 반도체 소자.
- 제1 항에 있어서,상기 도전막은 Cu 또는 Cu 합금막인 반도체 소자.
- 제1 항에 있어서,상기 기판 내에 상기 개구부와 연결되는 하부 배선을 더 포함하고,상기 개구부는 상기 하부 배선을 노출시키는 비아와, 상기 비아와 연결되어 배선을 정의하는 트렌치를 포함하는 반도체 소자.
- 제1 항에 있어서,상기 절연막 패턴 하부에 상기 개구부와 연결되는 도전성 컨택층을 더 포함하고,상기 컨택층은 상기 컨택층 하부에 형성된 하부 배선과 연결된 반도체 소자.
- 제1 항에 있어서,상기 확산 방지막과 상기 도전막 사이에 형성되고, N 농도가 31at% 이하인 추가 비정질 금속 질화막을 더 포함하는 반도체 소자.
- 제11 항에 있어서,상기 추가 비정질 금속 질화막은 전이금속 질화물 또는 전이금속 합금 질화물로 이루어진 반도체 소자.
- 제12 항에 있어서,상기 추가 비정질 금속 질화막은 Ti, Zr, Hf 및 이들의 합금으로 이루어진 그룹에서 선택된 어느 하나의 질화물인 반도체 소자.
- 제12 항에 있어서,상기 추가 비정질 금속 질화막은 Mg, In, Sn 또는 Al을 약 1 ~ 10 at% 정도로 더 포함하는 반도체 소자.
- 제12 항에 있어서,상기 추가 비정질 금속 질화막은 10 ~ 1000 Å의 두께인 반도체 소자.
- 삭제
- 기판을 제공하는 단계;상기 기판 상에 개구부를 포함하는 절연막 패턴을 형성하는 단계;상기 개구부 내면에 N 농도가 31at% 이하인 비정질 금속 질화막 및 확산 방지막을 순차적으로 형성하는 단계; 및상기 개구부 내를 매립하는 도전막을 형성하는 단계를 포함하는 반도체 소자의 제조 방법.
- 제17 항에 있어서,상기 기판을 제공하는 단계는 하부 배선이 형성된 상기 기판을 제공하는 단계이고,상기 절연막 패턴을 형성하는 단계는, 상기 하부 배선을 노출시키는 비아 및 상기 비아와 연결되어 배선을 정의하는 트렌치를 포함하는 상기 개구부를 구비하는 절연막 패턴을 형성하는 단계를 포함하는 반도체 소자의 제조 방법.
- 제17 항에 있어서,상기 기판을 제공하는 단계는 하부 배선과 상기 하부 배선과 상기 개구부를 연결하는 도전성 컨택층을 구비하는 상기 기판을 제공하는 단계인 반도체 소자의 제조 방법.
- 제17 항에 있어서,상기 비정질 금속 질화막은 전이금속 질화물 또는 전이금속 합금 질화물로 이루어진 반도체 소자의 제조 방법.
- 제20 항에 있어서,상기 비정질 금속 질화막은 Ti, Zr, Hf 및 이들의 합금으로 이루어진 그룹에서 선택된 어느 하나의 질화물인 반도체 소자의 제조 방법.
- 제20 항에 있어서,상기 비정질 금속 질화막은 Mg, In, Sn 또는 Al을 약 1 ~ 10 at% 정도로 더 포함하는 반도체 소자의 제조 방법.
- 제20 항에 있어서,상기 비정질 금속 질화막은 10 ~ 1000 Å의 두께인 반도체 소자의 제조 방법.
- 삭제
- 제17 항에 있어서,상기 확산 방지막은 Ta, Ti, W, Ru, TiW, WBN, TaN, TiN, WN, TaC, WC, TiSiN, TaSiN 단일막 또는 이들이 적층된 다층막인 반도체 소자의 제조 방법.
- 제17 항에 있어서,상기 도전막은 Cu 또는 Cu 합금막인 반도체 소자의 제조 방법.
- 제17 항에 있어서, 상기 도전막을 형성하는 단계 전에,상기 확산 방지막 상에 N 농도가 31at% 이하인 추가 비정질 금속 질화막을 형성하는 단계를 더 포함하는 반도체 소자의 제조 방법.
- 제27 항에 있어서,상기 추가 비정질 금속 질화막은 전이금속 질화물 또는 전이금속 합금 질화물로 이루어진 반도체 소자의 제조 방법.
- 제28 항에 있어서,상기 추가 비정질 금속 질화막은 Ti, Zr, Hf 및 이들의 합금으로 이루어진 그룹에서 선택된 어느 하나의 질화물인 반도체 소자의 제조 방법.
- 제28 항에 있어서,상기 추가 비정질 금속 질화막은 Mg, In, Sn 또는 Al을 약 1 ~ 10 at% 정도로 더 포함하는 반도체 소자의 제조 방법.
- 제28 항에 있어서,상기 추가 비정질 금속 질화막은 10 ~ 1000 Å의 두께인 반도체 소자의 제조 방법.
- 삭제
- 제17 항에 있어서,상기 도전막을 형성하는 단계는, 상기 절연막 패턴의 상면과 실질적으로 평평한 상면을 가지는 상기 도전막을 형성하는 단계인 반도체 소자의 제조 방법.
- 제33 항에 있어서,상기 도전막을 형성하는 단계는, 상기 확산방지막 상에 시드층을 형성하는 단계; 및 상기 시드층 상에 상기 도전막을 전기도금하는 단계를 포함하는 반도체 소자의 제조 방법.
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