KR0152370B1 - 적층 구조의 배선을 갖고 있는 반도체 디바이스 및 그 제조 방법 - Google Patents
적층 구조의 배선을 갖고 있는 반도체 디바이스 및 그 제조 방법 Download PDFInfo
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- KR0152370B1 KR0152370B1 KR1019950003627A KR19950003627A KR0152370B1 KR 0152370 B1 KR0152370 B1 KR 0152370B1 KR 1019950003627 A KR1019950003627 A KR 1019950003627A KR 19950003627 A KR19950003627 A KR 19950003627A KR 0152370 B1 KR0152370 B1 KR 0152370B1
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 33
- 238000004519 manufacturing process Methods 0.000 title description 25
- 229910000881 Cu alloy Inorganic materials 0.000 claims abstract description 52
- 229910017945 Cu—Ti Inorganic materials 0.000 claims abstract description 50
- 150000001875 compounds Chemical class 0.000 claims abstract description 41
- 229910052751 metal Inorganic materials 0.000 claims abstract description 32
- 239000002184 metal Substances 0.000 claims abstract description 32
- 239000000758 substrate Substances 0.000 claims abstract description 27
- 229910052718 tin Inorganic materials 0.000 claims abstract description 16
- 238000004544 sputter deposition Methods 0.000 claims abstract description 12
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 8
- 239000000956 alloy Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 29
- 229910052709 silver Inorganic materials 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 229910000765 intermetallic Inorganic materials 0.000 claims description 8
- 229910052726 zirconium Inorganic materials 0.000 claims description 8
- 229910052787 antimony Inorganic materials 0.000 claims description 7
- 238000000059 patterning Methods 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 229910004353 Ti-Cu Inorganic materials 0.000 claims description 3
- 238000000151 deposition Methods 0.000 claims 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 229910004298 SiO 2 Inorganic materials 0.000 abstract description 35
- 238000010438 heat treatment Methods 0.000 abstract description 12
- 230000003647 oxidation Effects 0.000 abstract description 12
- 238000007254 oxidation reaction Methods 0.000 abstract description 12
- 238000005260 corrosion Methods 0.000 abstract description 7
- 230000007797 corrosion Effects 0.000 abstract description 7
- 229910001069 Ti alloy Inorganic materials 0.000 abstract 1
- 239000010949 copper Substances 0.000 description 98
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 64
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 64
- 239000010936 titanium Substances 0.000 description 52
- 238000009792 diffusion process Methods 0.000 description 20
- 125000004429 atom Chemical group 0.000 description 18
- 238000001020 plasma etching Methods 0.000 description 13
- 230000004888 barrier function Effects 0.000 description 11
- 239000007789 gas Substances 0.000 description 11
- 239000010931 gold Substances 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 8
- 238000005530 etching Methods 0.000 description 8
- 230000007774 longterm Effects 0.000 description 8
- 238000005229 chemical vapour deposition Methods 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 7
- 238000007792 addition Methods 0.000 description 6
- 239000000460 chlorine Substances 0.000 description 6
- 230000005012 migration Effects 0.000 description 6
- 238000013508 migration Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 229920002120 photoresistant polymer Polymers 0.000 description 5
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 4
- CFJRGWXELQQLSA-UHFFFAOYSA-N azanylidyneniobium Chemical compound [Nb]#N CFJRGWXELQQLSA-UHFFFAOYSA-N 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 239000010955 niobium Substances 0.000 description 4
- 238000001953 recrystallisation Methods 0.000 description 4
- 238000011282 treatment Methods 0.000 description 4
- 229910003902 SiCl 4 Inorganic materials 0.000 description 3
- 238000000137 annealing Methods 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000001312 dry etching Methods 0.000 description 3
- 238000001755 magnetron sputter deposition Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000000992 sputter etching Methods 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000005380 borophosphosilicate glass Substances 0.000 description 2
- 125000001309 chloro group Chemical group Cl* 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 239000005360 phosphosilicate glass Substances 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 239000012495 reaction gas Substances 0.000 description 2
- 238000005546 reactive sputtering Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000009751 slip forming Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000002230 thermal chemical vapour deposition Methods 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- VXEGSRKPIUDPQT-UHFFFAOYSA-N 4-[4-(4-methoxyphenyl)piperazin-1-yl]aniline Chemical compound C1=CC(OC)=CC=C1N1CCN(C=2C=CC(N)=CC=2)CC1 VXEGSRKPIUDPQT-UHFFFAOYSA-N 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229910018503 SF6 Inorganic materials 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910008484 TiSi Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- HABPPAZIPDBHBW-UHFFFAOYSA-N [Cu].N#[N+][O-] Chemical compound [Cu].N#[N+][O-] HABPPAZIPDBHBW-UHFFFAOYSA-N 0.000 description 1
- RMYRONIRTLYKFJ-UHFFFAOYSA-N [F].[F].[F].[F].[F].[F].[W] Chemical compound [F].[F].[F].[F].[F].[F].[W] RMYRONIRTLYKFJ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- QZPSXPBJTPJTSZ-UHFFFAOYSA-N aqua regia Chemical compound Cl.O[N+]([O-])=O QZPSXPBJTPJTSZ-UHFFFAOYSA-N 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910000431 copper oxide Inorganic materials 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- CAQRFUZAAAEILW-UHFFFAOYSA-N oxygen(2-) tin(4+) titanium(4+) Chemical compound [O--].[O--].[O--].[O--].[Ti+4].[Sn+4] CAQRFUZAAAEILW-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 125000004437 phosphorous atom Chemical group 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000005049 silicon tetrachloride Substances 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 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
- H01L21/02—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
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/32051—Deposition of metallic or metal-silicide layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—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
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
-
- 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
- H01L23/53233—Copper alloys
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S257/00—Active solid-state devices, e.g. transistors, solid-state diodes
- Y10S257/915—Active solid-state devices, e.g. transistors, solid-state diodes with titanium nitride portion or region
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Electrodes Of Semiconductors (AREA)
- Formation Of Insulating Films (AREA)
Abstract
Description
Claims (11)
- 반도체 기판; 상기 기판윈 절연막; 및 Ti막, TiN막, Ti-Cu 화합물막 및 Cu 및 Cu외에 미량의 적어도 하나의 금속 성분을 포함하는 Cu 합금막을 포하하고, 상기 막들은 적어도 상기 절연막 상에 연속적으로 형성되는 것을 특징으로 하는 반도체 디바이스.
- 제1항에 있어서, 상기 금속 배선은 상기 절연막을 관통하는 비아 플러그를 갖고 있고, 상기 비아 플러그는 상기 반도체 기판과 옴 접촉을 형성하는 것을 특징으로 하는 반도체 디바이스.
- 제1항에 있어서, 상기 배선은 상기 적층 구조를 피복하는 W막을 더 포함하는 것을 특징으로 하는 반도체 디바이스.
- 제1항에 있어서, 상기 적어도 하나의 금속 성분은 Zr, Ag, Sn 및 Sb를 구성하는 그룹에서 선택되는 것을 특징으로 하는 반도체 디바이스.
- 제1항에 있어서, 상기 미량은 0.01과 0.5 wt % 사이인 것을 특징으로 하는 반도체 디바이스.
- 제1항에 있어서, 상기 Cu-Ti 화합물막은 원자 비율이 Cu:Ti = 5:1과 Cu-Ti = 1:2 범위 사이의 Cu 및 Ti를 포함하는 것을 특징으로 하는 반도체 디바이스.
- 반도체 기판 위에 있는 절연막을 형성하는 단계; 상기 절연막 상에 Ti막을 형성하는 단게; 상기 Ti막 상에 TiN막을 형성하는 단계; 상기 Cu-Ti 화합물막, 및 Cu와 미량의 적어도 하나의 금속 성분을 포함하는 Cu 합금막을 형성하는 단계를 포함하되, 상기 Cu-Ti 화합물막 및 Cu 합금막은 상기 TiN막 상에 연속적으로 적층되고; 배선 패턴을 형성하기 위해 상기 Cu 합금막, 상기 Cu-Ti 화합물막, 상기 TiN막 상기 Ti막을 패터닝하는 단게를 포함하는 것을 특징으로 하는 반도체 디바이스 형성 방법.
- 제7항에 있어서, W막을 갖고 있는 상기 배선 패턴을 피복하는 단계를 더 포함하는 것을 특징으로 하는 반도체 디바이스 형성 방법.
- 제7항에 있어서, 상기 Cu-Ti 화합물막 및 상기 Cu 합금막을 형성하는 상기 단계는 상기 TiN막 상에 Ti층 및 Cu 합금층을 연속적으로 피착하는 단계 및 상기 Cu-Ti 금속간 화합물막을 형성하기 위해 상기 Ti층 및 상기 Cu 합금층을 열처리하는 단계를 포함하는 것을 특징으로 하는 반도체 디바이스 형성 방법.
- 제7항에 있어서, 상기 Cu-Ti 화합물막 및 상기 Cu 합금막을 형성하는 상기 단계는 Cu-Ti 합금막 및 Cu 합금막을 연속적으로 피착하고, 상기 Cu-Ti 화합물막을 형성하기 위해 상기 Cu-Ti합금막을 열 처리함으로써 행해지는 것을 특징으로 하는 반도체 디바이스 형성 방법.
- 제7항에 있어서, 상기 Ti-Cu 화합물막 및 상기 Cu 합금막을 형성하는 상기 단계는 Cu-Ti 화합물 타겟 및 Cu 합금 타겟을 연속적으로 스퍼터링함으로써 행해지는 것을 특징으로 하는 반도체 디바이스 형성 방법.
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JP94-026672 | 1994-02-24 | ||
JP6026672A JP2701730B2 (ja) | 1994-02-24 | 1994-02-24 | 半導体装置およびその製造方法 |
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KR950025957A KR950025957A (ko) | 1995-09-18 |
KR0152370B1 true KR0152370B1 (ko) | 1998-12-01 |
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KR1019950003627A KR0152370B1 (ko) | 1994-02-24 | 1995-02-24 | 적층 구조의 배선을 갖고 있는 반도체 디바이스 및 그 제조 방법 |
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US (1) | US5539256A (ko) |
JP (1) | JP2701730B2 (ko) |
KR (1) | KR0152370B1 (ko) |
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US6294455B1 (en) * | 1997-08-20 | 2001-09-25 | Micron Technology, Inc. | Conductive lines, coaxial lines, integrated circuitry, and methods of forming conductive lines, coaxial lines, and integrated circuitry |
US6187677B1 (en) | 1997-08-22 | 2001-02-13 | Micron Technology, Inc. | Integrated circuitry and methods of forming integrated circuitry |
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JP2003023239A (ja) * | 2001-07-05 | 2003-01-24 | Sumitomo Electric Ind Ltd | 回路基板とその製造方法及び高出力モジュール |
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-
1994
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-
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JP2701730B2 (ja) | 1998-01-21 |
KR950025957A (ko) | 1995-09-18 |
JPH07235538A (ja) | 1995-09-05 |
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