KR102486945B1 - 고순도의 은 스퍼터링 타겟 제조 방법 및 이에 의해 제조된 은 스퍼터링 타겟 - Google Patents
고순도의 은 스퍼터링 타겟 제조 방법 및 이에 의해 제조된 은 스퍼터링 타겟 Download PDFInfo
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- KR102486945B1 KR102486945B1 KR1020220165620A KR20220165620A KR102486945B1 KR 102486945 B1 KR102486945 B1 KR 102486945B1 KR 1020220165620 A KR1020220165620 A KR 1020220165620A KR 20220165620 A KR20220165620 A KR 20220165620A KR 102486945 B1 KR102486945 B1 KR 102486945B1
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- heat treatment
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- sputtering target
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- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 229910052709 silver Inorganic materials 0.000 title claims abstract description 50
- 239000004332 silver Substances 0.000 title claims abstract description 50
- 238000005477 sputtering target Methods 0.000 title claims description 33
- 238000004519 manufacturing process Methods 0.000 title claims description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 66
- 238000005096 rolling process Methods 0.000 claims abstract description 36
- 239000013078 crystal Substances 0.000 claims abstract description 15
- 238000005097 cold rolling Methods 0.000 claims abstract description 9
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 238000005266 casting Methods 0.000 abstract description 4
- 238000004544 sputter deposition Methods 0.000 abstract description 3
- 239000000155 melt Substances 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 14
- 239000013077 target material Substances 0.000 description 9
- 239000010408 film Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 239000012535 impurity Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000011521 glass Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000010849 ion bombardment Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 229910001316 Ag alloy Inorganic materials 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Images
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/02—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling heavy work, e.g. ingots, slabs, blooms, or billets, in which the cross-sectional form is unimportant ; Rolling combined with forging or pressing
- B21B1/026—Rolling
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/14—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of noble metals or alloys based thereon
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physical Vapour Deposition (AREA)
Abstract
Description
도 2에는 실시예 1의 2차 압연 및 열처리 이후 은 타겟 소재의 사진을 나타낸다.
도 3에는 상기 비교예 1 내지 4의 2차 압연 및 열처리 이후 은 타겟 소재의 사진을 나타낸다.
도 4에는 실시예 1 내지 6에 있어서 2차 압연 및 열처리 후 조직을 촬영한 사진을 나타낸다.
도 5에는 비교예 1 내지 4에 있어서 2차 압연 및 열처리 후 조직을 촬영한 사진을 나타낸다.
도 6에는 실시예 1 내지 3에 있어서 2차 압연 후 2차 열처리 전 조직의 확대 사진과 2차 열처리 이후 조직을 시편의 부위별로 촬영한 사진을 나타낸다.
도 7에는 비교예 1 및 2에 있어서 2차 압연 및 열처리 후 조직을 시편의 부위별로 촬영한 사진을 나타낸다.
Claims (3)
- 고순도의 은을 포함하는 용해 주조 잉곳을 준비하는 단계;
상기 잉곳을 압하율이 30-46%가 되도록 잉곳의 두께 방향에 수직으로 냉간 압연하는 1차 압연 단계;
1차 압연 단계 이후 450~600℃까지 2~3시간 동안 승온시키고, 1~3시간 동안 유지하여 열처리하는 1차 열처리 단계;
1차 열처리 단계 이후 압하율이 40% 이상 50% 미만의 범위를 갖도록 잉곳의 두께 방향에 수직으로 냉간 압연하는 2차 압연 단계; 및
2차 압연 단계 이후 410~520℃까지 1~3시간 동안 승온시키고, 2~6시간 동안 유지하여 열처리하는 2차 열처리 단계;를 포함하되,
상기 2차 열처리 단계 이후, 제조된 고순도의 은 스퍼터링 타겟은 Ag 결정립을 포함하고, 상기 결정립의 입경의 편차가 평균 입경의 20 %이하인, 고순도의 은 스퍼터링 타겟 제조 방법. - 제 1 항에 있어서,
상기 은은 99.9% 이상의 순도를 갖는 것인, 고순도의 은 스퍼터링 타겟 제조 방법. - 제 1 항 또는 제 2 항에 있어서,
상기 1차 열처리 단계 및 2차 열처리 단계에서 승온 속도는 50℃/h~200℃/h인, 고순도의 은 스퍼터링 타겟 제조 방법.
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KR1020220165620A KR102486945B1 (ko) | 2022-02-21 | 2022-12-01 | 고순도의 은 스퍼터링 타겟 제조 방법 및 이에 의해 제조된 은 스퍼터링 타겟 |
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KR1020220021846 | 2022-02-21 | ||
KR1020220165620A KR102486945B1 (ko) | 2022-02-21 | 2022-12-01 | 고순도의 은 스퍼터링 타겟 제조 방법 및 이에 의해 제조된 은 스퍼터링 타겟 |
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KR1020220021846 Division | 2022-02-21 | 2022-02-21 |
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KR102486945B1 true KR102486945B1 (ko) | 2023-01-10 |
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KR1020220165620A Active KR102486945B1 (ko) | 2022-02-21 | 2022-12-01 | 고순도의 은 스퍼터링 타겟 제조 방법 및 이에 의해 제조된 은 스퍼터링 타겟 |
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Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20140134727A (ko) * | 2013-03-11 | 2014-11-24 | 미쓰비시 마테리알 가부시키가이샤 | 도전성 막 형성용 은 합금 스퍼터링 타깃 및 그 제조 방법 |
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Patent Citations (1)
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KR20140134727A (ko) * | 2013-03-11 | 2014-11-24 | 미쓰비시 마테리알 가부시키가이샤 | 도전성 막 형성용 은 합금 스퍼터링 타깃 및 그 제조 방법 |
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