KR20050108384A - 동합금 스퍼터링 타겟트 및 그 제조방법 과 반도체 소자배선 - Google Patents
동합금 스퍼터링 타겟트 및 그 제조방법 과 반도체 소자배선 Download PDFInfo
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- KR20050108384A KR20050108384A KR1020057016969A KR20057016969A KR20050108384A KR 20050108384 A KR20050108384 A KR 20050108384A KR 1020057016969 A KR1020057016969 A KR 1020057016969A KR 20057016969 A KR20057016969 A KR 20057016969A KR 20050108384 A KR20050108384 A KR 20050108384A
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- South Korea
- Prior art keywords
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- wtppm
- copper alloy
- sputtering target
- alloy sputtering
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- 229910000881 Cu alloy Inorganic materials 0.000 title claims abstract description 52
- 238000005477 sputtering target Methods 0.000 title claims abstract description 47
- 239000004065 semiconductor Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims description 10
- 230000008569 process Effects 0.000 title description 6
- 229910052802 copper Inorganic materials 0.000 claims abstract description 46
- 239000010949 copper Substances 0.000 claims abstract description 46
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 44
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 24
- 229910052718 tin Inorganic materials 0.000 claims abstract description 18
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 14
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 13
- 229910045601 alloy Inorganic materials 0.000 claims description 33
- 239000000956 alloy Substances 0.000 claims description 33
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 239000001301 oxygen Substances 0.000 claims description 14
- 229910052760 oxygen Inorganic materials 0.000 claims description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 239000012535 impurity Substances 0.000 claims description 11
- 239000000654 additive Substances 0.000 claims description 8
- 230000000996 additive effect Effects 0.000 claims description 8
- 230000004888 barrier function Effects 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 8
- 229910052719 titanium Inorganic materials 0.000 claims description 8
- 229910052726 zirconium Inorganic materials 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 229910052787 antimony Inorganic materials 0.000 claims description 7
- 229910052785 arsenic Inorganic materials 0.000 claims description 7
- 229910052793 cadmium Inorganic materials 0.000 claims description 7
- 229910052804 chromium Inorganic materials 0.000 claims description 7
- 229910052737 gold Inorganic materials 0.000 claims description 7
- 229910052738 indium Inorganic materials 0.000 claims description 7
- 229910052709 silver Inorganic materials 0.000 claims description 7
- 239000006104 solid solution Substances 0.000 claims description 7
- 229910052776 Thorium Inorganic materials 0.000 claims description 6
- 229910052770 Uranium Inorganic materials 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 229910052700 potassium Inorganic materials 0.000 claims description 6
- 229910052708 sodium Inorganic materials 0.000 claims description 6
- 229910001362 Ta alloys Inorganic materials 0.000 claims description 3
- 150000004767 nitrides Chemical class 0.000 claims description 3
- 229910052715 tantalum Inorganic materials 0.000 claims description 2
- 230000002776 aggregation Effects 0.000 abstract description 16
- 238000009713 electroplating Methods 0.000 abstract description 14
- 238000004220 aggregation Methods 0.000 abstract description 13
- 239000000463 material Substances 0.000 abstract description 10
- 238000004544 sputter deposition Methods 0.000 abstract description 7
- 230000015572 biosynthetic process Effects 0.000 abstract description 5
- 239000010408 film Substances 0.000 description 30
- 239000010410 layer Substances 0.000 description 26
- 230000000052 comparative effect Effects 0.000 description 14
- 229910052751 metal Inorganic materials 0.000 description 13
- 239000002184 metal Substances 0.000 description 12
- 230000008018 melting Effects 0.000 description 9
- 238000002844 melting Methods 0.000 description 9
- 239000000203 mixture Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 230000003647 oxidation Effects 0.000 description 8
- 238000007254 oxidation reaction Methods 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 239000002245 particle Substances 0.000 description 6
- 230000003405 preventing effect Effects 0.000 description 6
- 238000005054 agglomeration Methods 0.000 description 5
- 238000011978 dissolution method Methods 0.000 description 5
- 238000005266 casting Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 3
- 238000004993 emission spectroscopy Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 239000013077 target material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005097 cold rolling Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000001198 high resolution scanning electron microscopy Methods 0.000 description 2
- 238000005098 hot rolling Methods 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- WWSJZGAPAVMETJ-UHFFFAOYSA-N 2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]-3-ethoxypyrazol-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C=1C(=NN(C=1)CC(=O)N1CC2=C(CC1)NN=N2)OCC WWSJZGAPAVMETJ-UHFFFAOYSA-N 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RZJQYRCNDBMIAG-UHFFFAOYSA-N [Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Zn].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn] Chemical class [Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Cu].[Zn].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Ag].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn].[Sn] RZJQYRCNDBMIAG-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- LBJNMUFDOHXDFG-UHFFFAOYSA-N copper;hydrate Chemical compound O.[Cu].[Cu] LBJNMUFDOHXDFG-UHFFFAOYSA-N 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000005324 grain boundary diffusion Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
- C23C14/3407—Cathode assembly for sputtering apparatus, e.g. Target
- C23C14/3414—Metallurgical or chemical aspects of target preparation, e.g. casting, powder metallurgy
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/01—Alloys based on copper with aluminium as the next major constituent
-
- 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
- H01L21/28506—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers
- H01L21/28512—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table
- H01L21/2855—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising elements of Group IV of the Periodic Table by physical means, e.g. sputtering, evaporation
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physical Vapour Deposition (AREA)
- Electrodes Of Semiconductors (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (15)
- Al 또는 Sn 으로부터 선택된 적어도 1원소를 0.01 ~ 0.5 (미만)wt% 함유하며 또한 Mn 또는 Si 의 어느 것의 1방(方) 또는 쌍방이 총량으로써 0.25wtppm 이하 함유하는 것을 특징으로 하는 동 합금 스퍼터링 타겟트
- Al 또는 Sn 으로부터 선택된 적어도 1원소를 0.05 ~ 0.2wt% 함유하며 Mn 또는 Si가 총량으로써 0.25wtppm 이하 함유하는 것을 특징으로 하는 동 합금 스퍼터링 타겟트
- 제1항 또는 제2항에 있어서, Sb, Zr, Ti, Cr, Ag, Au, Cd, In, As로부터 선택된 1또는 2 이상을 총량으로써 1.0wtppm 이하 함유하는 것을 특징으로 하는 동 합금 스퍼터링 타겟트
- 제1항 또는 제2항에 있어서, Sb, Zr, Ti, Cr, Ag, Au, Cd, In, As로부터 선택된 1또는 2 이상을 총량으로써 0.5wtppm 이하 함유하는 것을 특징으로 하는 동 합금 스퍼터링 타겟트
- 제1항 또는 제2항에 있어서, Sb, Zr, Ti, Cr, Ag, Au, Cd, In, As로부터 선택된 1또는 2 이상을 총량으로써 0.3wtppm 이하 함유하는 것을 특징으로 하는 동 합금 스퍼터링 타겟트
- 제1항 내지 제5항의 어느 한 항에 있어서, 가스성분을 제외한 불가피적 불순물이 10wtppm이하 인 것을 특징으로 하는 동 합금 스퍼터링 타겟트
- 제6항에 있어서, 가스성분을 제외한 불가피적 불순물이 1wtppm이하 인 것을 특징으로 하는 동 합금 스퍼터링 타겟트
- 제1항 내지 제7항의 어느 한 항에 있어서, Na, K가 각각 0.05wtppm 이하, U, Th가 각각 1wtppm 이하, 산소 5wtppm 이하, 질소 2wtppm 이하, 탄소 2wtppm 이하인 것을 특징으로 하는 동 합금 스퍼터링 타겟트
- 제8항에 있어서, Na, K가 각각 0.02wtppm 이하, U, Th가 각각 0.5wtppm 이하, 산소 1wtppm 이하, 질소 1wtppm 이하, 탄소 1wtppm 이하인 것을 특징으로 하는 동 합금 스퍼터링 타겟트
- 제1항 내지 제9항의 어느 한 항에 있어서, 평균 결정 입경이 100㎛이며, 평균 입경의 격차가 ±20% 이내인 것 을 특징으로 하는 동 합금 스퍼터링 타겟트
- 청구항 제1항 내지 제10항의 어느 한 항에 기재된 동 합금 스퍼터링 타겟트를 사용하여 형성된 반도체 소자 배선
- 제11항에 있어서, 반도체 소자 배선의 시드층으로서 형성되는 것을 특징으로 하는 반도체 소자 배선
- 제12항에 있어서, Ta, Ta합금 또는 이들의 질화물의 베리어막상에 시드층으로서 형성되는 것을 특징으로 하는 반도체 소자 배선
- 제1항 내지 제10항의 어느 한 항에 있어서, 첨가원소의 모 합금을 제작하여 이것을 동(銅) 또는 저농도 모 합금의 용탕(溶湯)에 용해하여 잉고트로 하고 이 잉고트를 가공하여 타겟트로 하는 것을 특징으로 하는 동 합금 스퍼터링 타겟트의 제조방법
- 제14항에 있어서, 고용한(雇用限)이내의 모 합금을 제작하는 것을 특징으로 하는 동 합금 스퍼터링 타겟트의 제조방법
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2003-00071721 | 2003-03-17 | ||
JP2003071721 | 2003-03-17 |
Publications (2)
Publication Number | Publication Date |
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KR20050108384A true KR20050108384A (ko) | 2005-11-16 |
KR100700885B1 KR100700885B1 (ko) | 2007-03-29 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020057016969A KR100700885B1 (ko) | 2003-03-17 | 2004-02-19 | 동합금 스퍼터링 타겟트 및 그 제조방법 과 반도체 소자배선 |
Country Status (8)
Country | Link |
---|---|
US (2) | US7740721B2 (ko) |
EP (2) | EP2264215A3 (ko) |
JP (1) | JP4223511B2 (ko) |
KR (1) | KR100700885B1 (ko) |
CN (1) | CN100439558C (ko) |
DE (1) | DE602004032015D1 (ko) |
TW (1) | TWI248468B (ko) |
WO (1) | WO2004083482A1 (ko) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9896745B2 (en) * | 2002-01-30 | 2018-02-20 | Jx Nippon Mining & Metals Corporation | Copper alloy sputtering target and method for manufacturing the target |
JP4794802B2 (ja) * | 2002-11-21 | 2011-10-19 | Jx日鉱日石金属株式会社 | 銅合金スパッタリングターゲット及び半導体素子配線 |
WO2005041290A1 (ja) * | 2003-10-24 | 2005-05-06 | Nikko Materials Co., Ltd. | ニッケル合金スパッタリングターゲット及びニッケル合金薄膜 |
EP2626444A3 (en) * | 2003-12-25 | 2013-10-16 | JX Nippon Mining & Metals Corporation | Copper or copper alloy target/copper alloy backing plate assembly |
JP4377788B2 (ja) | 2004-09-27 | 2009-12-02 | 株式会社神戸製鋼所 | 半導体配線用Cu合金、Cu合金配線の製法、該製法で得られたCu合金配線を有する半導体装置、並びに半導体のCu合金配線形成用スパッタリングターゲット |
JP4330517B2 (ja) * | 2004-11-02 | 2009-09-16 | 株式会社神戸製鋼所 | Cu合金薄膜およびCu合金スパッタリングターゲット並びにフラットパネルディスプレイ |
EP1895024A4 (en) * | 2005-06-23 | 2009-12-23 | Nippon Mining Co | COPPER FOIL FOR PCB |
JP4756458B2 (ja) * | 2005-08-19 | 2011-08-24 | 三菱マテリアル株式会社 | パーティクル発生の少ないMn含有銅合金スパッタリングターゲット |
US7749361B2 (en) * | 2006-06-02 | 2010-07-06 | Applied Materials, Inc. | Multi-component doping of copper seed layer |
CN101501820B (zh) | 2006-08-10 | 2012-11-28 | 株式会社爱发科 | 导电膜形成方法、薄膜晶体管、带薄膜晶体管的面板、及薄膜晶体管的制造方法 |
US20100000860A1 (en) * | 2006-09-08 | 2010-01-07 | Tosoh Smd, Inc. | Copper Sputtering Target With Fine Grain Size And High Electromigration Resistance And Methods Of Making the Same |
US20100013096A1 (en) * | 2006-10-03 | 2010-01-21 | Nippon Mining & Metals Co., Ltd. | Cu-Mn Alloy Sputtering Target and Semiconductor Wiring |
US20090065354A1 (en) * | 2007-09-12 | 2009-03-12 | Kardokus Janine K | Sputtering targets comprising a novel manufacturing design, methods of production and uses thereof |
EP2330231B1 (en) * | 2008-09-30 | 2017-02-22 | JX Nippon Mining & Metals Corporation | Process for manufacturing a high-purity copper- or a high-purity copper alloy sputtering target |
WO2010038641A1 (ja) | 2008-09-30 | 2010-04-08 | 日鉱金属株式会社 | 高純度銅及び電解による高純度銅の製造方法 |
JP5118618B2 (ja) * | 2008-12-24 | 2013-01-16 | Jx日鉱日石金属株式会社 | 高純度形状記憶合金ターゲット及び同合金薄膜 |
JP5463794B2 (ja) * | 2009-08-24 | 2014-04-09 | 三菱マテリアル株式会社 | 半導体装置及びその製造方法 |
JP2012149294A (ja) * | 2011-01-18 | 2012-08-09 | Hitachi Cable Ltd | スパッタリングターゲット、半導体装置および半導体装置の製造方法 |
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- 2004-02-19 KR KR1020057016969A patent/KR100700885B1/ko active IP Right Grant
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- 2004-02-19 CN CNB2004800074372A patent/CN100439558C/zh not_active Expired - Lifetime
- 2004-02-19 WO PCT/JP2004/001914 patent/WO2004083482A1/ja active Application Filing
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JP4223511B2 (ja) | 2009-02-12 |
EP1602747B1 (en) | 2011-03-30 |
CN1771349A (zh) | 2006-05-10 |
WO2004083482A1 (ja) | 2004-09-30 |
EP2264215A3 (en) | 2011-03-16 |
TW200422415A (en) | 2004-11-01 |
KR100700885B1 (ko) | 2007-03-29 |
DE602004032015D1 (de) | 2011-05-12 |
JPWO2004083482A1 (ja) | 2006-06-22 |
US7740721B2 (en) | 2010-06-22 |
CN100439558C (zh) | 2008-12-03 |
EP1602747A4 (en) | 2008-08-27 |
US9765425B2 (en) | 2017-09-19 |
EP1602747A1 (en) | 2005-12-07 |
EP2264215A2 (en) | 2010-12-22 |
TWI248468B (en) | 2006-02-01 |
US20060088436A1 (en) | 2006-04-27 |
US20100219070A1 (en) | 2010-09-02 |
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