KR20150049883A - 스퍼터링 폐 타겟의 재생방법 및 이에 의해 재생된 스퍼터링 타겟 - Google Patents
스퍼터링 폐 타겟의 재생방법 및 이에 의해 재생된 스퍼터링 타겟 Download PDFInfo
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- KR20150049883A KR20150049883A KR1020130131028A KR20130131028A KR20150049883A KR 20150049883 A KR20150049883 A KR 20150049883A KR 1020130131028 A KR1020130131028 A KR 1020130131028A KR 20130131028 A KR20130131028 A KR 20130131028A KR 20150049883 A KR20150049883 A KR 20150049883A
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- 238000005477 sputtering target Methods 0.000 title claims abstract description 94
- 238000000034 method Methods 0.000 title claims abstract description 56
- 230000001172 regenerating effect Effects 0.000 title abstract description 9
- 238000004544 sputter deposition Methods 0.000 claims abstract description 93
- 239000000843 powder Substances 0.000 claims abstract description 80
- 239000002994 raw material Substances 0.000 claims abstract description 79
- 239000002699 waste material Substances 0.000 claims abstract description 75
- 239000012535 impurity Substances 0.000 claims abstract description 32
- 238000011049 filling Methods 0.000 claims abstract description 18
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- 239000010931 gold Substances 0.000 claims description 36
- 239000010409 thin film Substances 0.000 claims description 22
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 16
- 238000009832 plasma treatment Methods 0.000 claims description 10
- 229910052737 gold Inorganic materials 0.000 claims description 8
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 6
- 229910052697 platinum Inorganic materials 0.000 claims description 6
- 229910052707 ruthenium Inorganic materials 0.000 claims description 6
- 229910052709 silver Inorganic materials 0.000 claims description 6
- 229910052715 tantalum Inorganic materials 0.000 claims description 6
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 6
- 229910052721 tungsten Inorganic materials 0.000 claims description 6
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 6
- 239000010937 tungsten Substances 0.000 claims description 6
- 239000004065 semiconductor Substances 0.000 claims description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- 229910017052 cobalt Inorganic materials 0.000 claims description 4
- 239000010941 cobalt Substances 0.000 claims description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 4
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- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 3
- 125000004429 atom Chemical group 0.000 description 3
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- 229910052790 beryllium Inorganic materials 0.000 description 2
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- 229910052794 bromium Inorganic materials 0.000 description 2
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- 238000005520 cutting process Methods 0.000 description 2
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- 230000008018 melting Effects 0.000 description 2
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
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- 229910052762 osmium Inorganic materials 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229910052702 rhenium Inorganic materials 0.000 description 2
- 229910052703 rhodium Inorganic materials 0.000 description 2
- 229910052711 selenium Inorganic materials 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000010944 silver (metal) Substances 0.000 description 2
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 description 2
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 1
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000005708 Sodium hypochlorite Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052770 Uranium Inorganic materials 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000001093 anti-cancer Effects 0.000 description 1
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- 239000011521 glass Substances 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hcl hcl Chemical compound Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
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- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
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- 229910052701 rubidium Inorganic materials 0.000 description 1
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- 229910052725 zinc Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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Classifications
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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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
-
- 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
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
- C23C14/16—Metallic material, boron or silicon on metallic substrates or on substrates of boron or silicon
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/062—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools involving the connection or repairing of preformed parts
- B22F2007/068—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools involving the connection or repairing of preformed parts repairing articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/12—Both compacting and sintering
- B22F3/14—Both compacting and sintering simultaneously
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/062—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools involving the connection or repairing of preformed parts
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Physical Vapour Deposition (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
도 2는 실시예 1에서 재생된 스퍼터링 타겟의 FESEM 사진이다.
도 3은 비교예 1의 스퍼터링 타겟의 FESEM 사진이다.
도 4는 실시예 2에서 재생된 스퍼터링 타겟의 FESEM 사진이다.
도 5는 비교예 2의 스퍼터링 타겟의 FESEM 사진이다.
도 6은 500 W의 Power에서 실시예 1 및 비교예 1의 스퍼터링 타겟을 각각 이용하여 박막 형성시 증착 시간에 박막 두께를 나타낸 그래프로서, KJLC는 비교예 1의 스퍼터링 타겟이고, HeeSung는 실시예 1의 스퍼터링 타겟이다.
도 7은 1,000 W의 Power에서 실시예 1 및 비교예 1의 스퍼터링 타겟을 각각 이용하여 박막 형성시 증착 시간에 박막 두께를 나타낸 그래프로서, KJLC는 비교예 1의 스퍼터링 타겟이고, HeeSung는 실시예 1의 스퍼터링 타겟이다.
도 8은 1,500 W의 Power에서 실시예 1 및 비교예 1의 스퍼터링 타겟을 각각 이용하여 박막 형성시 증착 시간에 박막 두께를 나타낸 그래프로서, KJLC는 비교예 1의 스퍼터링 타겟이고, HeeSung는 실시예 1의 스퍼터링 타겟이다.
도 9는 실시예 1 및 비교예 1의 스퍼터링 타겟을 각각 이용하여 박막 형성시 Power에 따른 박막의 면저항을 나타낸 그래프로서, KJLC는 비교예 1의 스퍼터링 타겟이고, HeeSung는 실시예 1의 스퍼터링 타겟이다.
도 10은 500 W의 Power에서 실시예 2 및 비교예 2 내지 4의 스퍼터링 타겟을 각각 이용하여 박막 형성시 증착 시간에 박막 두께를 나타낸 그래프로서, KJLC는 비교예 2의 스퍼터링 타겟이고, HeeSung-R은 실시예 2의 스퍼터링 타겟이며, HeeSung-P는 비교예 3의 스퍼터링 타겟이고, Ref.는 비교예 4의 스퍼터링 타겟이다.
도 11은 1,000 W의 Power에서 실시예 2 및 비교예 2 내지 4의 스퍼터링 타겟을 각각 이용하여 박막 형성시 증착 시간에 박막 두께를 나타낸 그래프로서, KJLC는 비교예 2의 스퍼터링 타겟이고, HeeSung-R은 실시예 2의 스퍼터링 타겟이며, HeeSung-P는 비교예 3의 스퍼터링 타겟이고, Ref.는 비교예 4의 스퍼터링 타겟이다.
도 12는 1,500 W의 Power에서 실시예 2 및 비교예 2 내지 4의 스퍼터링 타겟을 각각 이용하여 박막 형성시 증착 시간에 박막 두께를 나타낸 그래프로서, KJLC는 비교예 2의 스퍼터링 타겟이고, HeeSung-R은 실시예 2의 스퍼터링 타겟이며, HeeSung-P는 비교예 3의 스퍼터링 타겟이고, Ref.는 비교예 4의 스퍼터링 타겟이다.
도 13은 실시예 2 및 비교예 2 내지 4의 스퍼터링 타겟을 각각 이용하여 박막 형성시 Power에 따른 박막의 면저항을 나타낸 그래프로서, KJLC는 비교예 2의 스퍼터링 타겟이고, HeeSung-R은 실시예 2의 스퍼터링 타겟이며, HeeSung-P는 비교예 3의 스퍼터링 타겟이고, Ref.는 비교예 4의 스퍼터링 타겟이다.
도 14(a) 및 14(b)는 각각 실시예 1에 사용된 스퍼터링 폐 Au 타겟의 사진과 상기 폐 Au 타겟의 두께를 측정한 그래프이다.
도 15(a) 및 15(b)는 각각 실시예 2에서 사용된 스퍼터링 폐 Ru 타겟의 사진과 상기 폐 Ru 타겟의 두께를 측정한 그래프이다.
불순물 함량 | 실시 예 1 | 비교 예 1 | |||
충진부 | 계면부 | 재활용부 | |||
Gas Impurity | C | 22 | 20 | 25 | 30 |
S | 0 | 0 | 0 | 0 | |
O | 28 | 24 | 30 | 28 | |
N | 4 | 2 | 5 | 4 | |
H | 0 | 0 | 0 | 0 | |
Ag | 1 | 2 | 3 | 32 | |
Pd | 0 | 1 | 2 | 0 | |
Pt | 2 | 0 | 2 | 17 | |
Cu | 1 | 1 | 3 | 3 | |
Fe | 2 | 3 | 5 | 12 | |
Si | 7 | 0 | 5 | 1 | |
Mg | 0 | 0 | 0 | 0 | |
Pb | 1 | 3 | 2 | 0 | |
In | 5 | 0 | 6 | 0 | |
Sn | 0 | 0 | 0 | 0 | |
Zr | 0 | 0 | 0 | 0 | |
불순물 총합 (Gas 제외) |
19 | 10 | 28 | 65 | |
최종순도 | 4N | 4N | 4N | 4N | |
* 불순물 함량 단위: ppm (weight) * 기타 불순물: Li, Be, F, Na, P, B, Cl, K, Ca, W, Al, Ni, Mo, Cr, Co, Ti, Zn, Rh, Os, Ir, Sc, V, Mn, Ga, Ge, As, Se, Br, Rb, Sr, Nb, Cd, Sb, Te, I, Cs, Ba, Hf, Ta, Hg, Bi, Re, U, La, Ce |
불순물 함량 | 실시 예 2 | 비교 예 2 | |||
충진부 | 계면부 | 재활용부 | |||
Gas Impurity 함량 |
C | 21 | 18 | 27 | 33 |
S | 0 | 0 | 0 | 2 | |
O | 25 | 21 | 35 | 34 | |
N | 0 | 0 | 0 | 1 | |
H | 0 | 0 | 0 | 0 | |
Al | 13 | 15 | 15 | 9 | |
Fe | 26 | 28 | 28 | 36 | |
Si | 18 | 19 | 19 | 25 | |
Ni | 3 | 3 | 3 | 25 | |
Mo | 8 | 9 | 7 | 13 | |
Mg | 2 | 2 | 3 | 1 | |
Cr | 12 | 12 | 19 | 34 | |
Co | 0 | 0 | 0 | 0 | |
Ti | 2 | 2 | 0 | 0 | |
Zr | 0 | 0 | 0 | 0 | |
Ag | 0 | 0 | 0 | 0 | |
Cu | 0 | 1 | 2 | 0 | |
Sn | 0 | 0 | 0 | 2 | |
Zn | 2 | 0 | 0 | 0 | |
불순물 총합 (Gas 제외) |
86 | 91 | 96 | 145 | |
최종순도 | 4N | 4N | 4N | 3N8 | |
* 불순물 함량 단위: ppm (weight) * 기타 불순물: Li, Be, F, Na, P, B, Cl, K, Ca, W, Rh, Os, Ir, Sc, V, Mn, Ga, Ge, As, Se, Br, Rb, Sr, Nb, Cd, Sb, Te, I, Cs, Ba, Hf, Ta, Hg, Bi, Re, U, La, Ce |
Claims (8)
- S1) 스퍼터링 폐 타겟의 표면으로부터 불순물을 제거하는 단계;
S2) 상기 불순물이 제거된 스퍼터링 폐 타겟을 몰드에 투입하는 단계;
S3) 상기 몰드에 투입된 스퍼터링 폐 타겟에 원료 분말을 충진하고 평탄화하여 적층체를 형성하는 단계;
S4) 상기 적층체에 압력을 가하여 성형체를 형성하는 단계; 및
S5) 상기 성형체를 소결하는 단계
를 포함하는 스퍼터링 폐 타겟의 재생방법. - 제1항에 있어서,
상기 스퍼터링 폐 타겟은 금(Au), 은(Ag), 백금(Pt), 루테늄(Ru), 탄탈륨(Ta), 코발트(Co) 및 텅스텐(W)으로 이루어진 군에서 선택된 원소로 된 폐 금속 타겟이거나, 또는 상기 2종 이상의 원소로 이루어진 폐 합금 타겟인 것이 특징인 스퍼터링 폐 타겟의 재생방법. - 제1항에 있어서,
상기 원료 분말은
몰드에 원료 물질을 투입하는 단계;
원료 물질을 플라즈마 처리하여 1차 원료 분말을 형성하는 단계; 및
상기 1차 원료 분말을 상기 원료 물질과 동일한 성분으로 코팅된 베드에 배치한 다음 제트밀 분쇄하여 2차 원료 분말을 형성하는 단계
를 포함하는 방법에 의해 제조된 것이 특징인 스퍼터링 폐 타겟의 재생방법. - 제1항에 있어서,
상기 S4 단계는 1 내지 60 분 동안 100 내지 300 MPa 범위의 압력으로 행해지는 것이 특징인, 스퍼터링 폐 타겟을 이용한 스퍼터링 타겟의 제조방법. - 제1항에 있어서,
상기 S5 단계는 1 내지 20 시간 동안 700 내지 2000 ℃의 온도 및 10 내지 80 MPa의 압력으로 행해지는 것이 특징인 스퍼터링 폐 타겟의 재생방법. - 제1항 내지 제5항 중 어느 한 항에 의하여 재생된 스퍼터링 타겟.
- 제6항에 있어서,
상기 스퍼터링 타겟은 금(Au), 은(Ag), 백금(Pt), 루테늄(Ru), 탄탈륨(Ta), 코발트(Co) 및 텅스텐(W)으로 이루어진 군에서 선택된 원소로 된 금속 타겟이거나, 또는 상기 2종 이상의 원소로 이루어진 합금 타겟인 것이 특징인 스퍼터링 타겟. - 제6항에 있어서,
상기 스퍼터링 타겟은 반도체 또는 자기기록장치 미디어의 박막층 형성에 사용되는 것이 특징인 스퍼터링 타겟.
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PCT/KR2013/009985 WO2015064810A1 (ko) | 2013-10-31 | 2013-11-06 | 스퍼터링 폐 타겟의 재생방법 및 이에 의해 재생된 스퍼터링 타겟 |
TW103110149A TW201516169A (zh) | 2013-10-31 | 2014-03-18 | 廢棄濺鍍靶材之再生方法及其再生之濺鍍靶材 |
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KR20170028146A (ko) * | 2015-09-03 | 2017-03-13 | 한국생산기술연구원 | 루테늄 폐 타겟의 재생방법 |
KR20180047843A (ko) | 2016-11-01 | 2018-05-10 | 희성금속 주식회사 | 귀금속 스퍼터링 타겟의 재생방법 및 그에 따라 재생된 귀금속 스퍼터링 타겟 |
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JP2001089888A (ja) * | 1999-09-24 | 2001-04-03 | Tanaka Kikinzoku Kogyo Kk | 使用済みスパッタリング用ターゲット材の再生方法 |
JP2001342562A (ja) * | 2000-06-01 | 2001-12-14 | Hitachi Metals Ltd | ターゲット材およびその製造方法 |
JP4027733B2 (ja) * | 2002-07-01 | 2007-12-26 | 新日鉄マテリアルズ株式会社 | ターゲット材 |
KR101255513B1 (ko) * | 2007-06-12 | 2013-04-23 | 삼성코닝정밀소재 주식회사 | 산화아연 타겟 및 그 제조 방법 |
KR101206416B1 (ko) * | 2011-05-04 | 2012-11-29 | 희성금속 주식회사 | 루테늄(Ru)타겟 제조를 위한 루테늄 분말 제조방법 |
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KR20170028146A (ko) * | 2015-09-03 | 2017-03-13 | 한국생산기술연구원 | 루테늄 폐 타겟의 재생방법 |
KR20180047843A (ko) | 2016-11-01 | 2018-05-10 | 희성금속 주식회사 | 귀금속 스퍼터링 타겟의 재생방법 및 그에 따라 재생된 귀금속 스퍼터링 타겟 |
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