KR101623629B1 - 구리 또는 구리 합금, 본딩 와이어, 구리의 제조 방법, 구리 합금의 제조 방법 및 본딩 와이어의 제조 방법 - Google Patents
구리 또는 구리 합금, 본딩 와이어, 구리의 제조 방법, 구리 합금의 제조 방법 및 본딩 와이어의 제조 방법 Download PDFInfo
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- KR101623629B1 KR101623629B1 KR1020137023523A KR20137023523A KR101623629B1 KR 101623629 B1 KR101623629 B1 KR 101623629B1 KR 1020137023523 A KR1020137023523 A KR 1020137023523A KR 20137023523 A KR20137023523 A KR 20137023523A KR 101623629 B1 KR101623629 B1 KR 101623629B1
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- copper
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- 239000010949 copper Substances 0.000 title claims abstract description 89
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 78
- 229910000881 Cu alloy Inorganic materials 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims description 39
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims description 23
- 238000005266 casting Methods 0.000 claims description 17
- 239000008151 electrolyte solution Substances 0.000 claims description 11
- 239000000243 solution Substances 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 8
- 229910000365 copper sulfate Inorganic materials 0.000 claims description 7
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 7
- 238000004090 dissolution Methods 0.000 claims description 7
- 238000005868 electrolysis reaction Methods 0.000 claims description 7
- 239000003011 anion exchange membrane Substances 0.000 claims description 6
- 150000002500 ions Chemical class 0.000 claims description 4
- 239000003792 electrolyte Substances 0.000 claims 1
- 239000002243 precursor Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 34
- 239000004065 semiconductor Substances 0.000 abstract description 30
- 229910000679 solder Inorganic materials 0.000 abstract description 9
- -1 solder material Chemical compound 0.000 abstract description 2
- 239000011135 tin Substances 0.000 description 26
- 229910052718 tin Inorganic materials 0.000 description 25
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 21
- 229910052745 lead Inorganic materials 0.000 description 11
- 230000005260 alpha ray Effects 0.000 description 10
- 239000002245 particle Substances 0.000 description 10
- 230000008018 melting Effects 0.000 description 9
- 229910052699 polonium Inorganic materials 0.000 description 9
- 230000005855 radiation Effects 0.000 description 9
- 238000007670 refining Methods 0.000 description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 8
- HZEBHPIOVYHPMT-UHFFFAOYSA-N polonium atom Chemical compound [Po] HZEBHPIOVYHPMT-UHFFFAOYSA-N 0.000 description 8
- 229910052770 Uranium Inorganic materials 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 229910052776 Thorium Inorganic materials 0.000 description 6
- 238000002844 melting Methods 0.000 description 6
- 229910052698 phosphorus Inorganic materials 0.000 description 6
- 230000002285 radioactive effect Effects 0.000 description 6
- 239000000956 alloy Substances 0.000 description 5
- 239000002585 base Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 4
- 229910052787 antimony Inorganic materials 0.000 description 4
- 229910052804 chromium Inorganic materials 0.000 description 4
- 239000011651 chromium Substances 0.000 description 4
- 229910052738 indium Inorganic materials 0.000 description 4
- 239000000155 melt Substances 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- 229910052788 barium Inorganic materials 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- PIJPYDMVFNTHIP-UHFFFAOYSA-L lead sulfate Chemical compound [PbH4+2].[O-]S([O-])(=O)=O PIJPYDMVFNTHIP-UHFFFAOYSA-L 0.000 description 3
- 238000010309 melting process Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 229910052712 strontium Inorganic materials 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 229910052726 zirconium Inorganic materials 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 2
- 229910052692 Dysprosium Inorganic materials 0.000 description 2
- 229910052693 Europium Inorganic materials 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 229910052688 Gadolinium Inorganic materials 0.000 description 2
- 229910052779 Neodymium Inorganic materials 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 229910052790 beryllium Inorganic materials 0.000 description 2
- 229910052797 bismuth Inorganic materials 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052746 lanthanum Inorganic materials 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 235000011042 metatartaric acid Nutrition 0.000 description 2
- 239000001369 metatartaric acid Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 229910052703 rhodium Inorganic materials 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 229910052727 yttrium Inorganic materials 0.000 description 2
- 229910017980 Ag—Sn Inorganic materials 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910020816 Sn Pb Inorganic materials 0.000 description 1
- 229910020922 Sn-Pb Inorganic materials 0.000 description 1
- 229910008783 Sn—Pb Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- DLFWIFNRAUYTHF-UHFFFAOYSA-N [Ra].[U] Chemical compound [Ra].[U] DLFWIFNRAUYTHF-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052789 astatine Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005341 cation exchange Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- ALKZAGKDWUSJED-UHFFFAOYSA-N dinuclear copper ion Chemical compound [Cu].[Cu] ALKZAGKDWUSJED-UHFFFAOYSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B15/00—Obtaining copper
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- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/302—Cu as the principal constituent
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- H01L2224/45138—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te) and polonium (Po), and alloys thereof the principal constituent melting at a temperature of greater than or equal to 950°C and less than 1550°C
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Abstract
Description
도 2 는 폴로늄 동위체 210Po 가 거의 없는 상태로부터, 210Pb → 210Bi → 210Po → 206Pb 의 붕괴 사슬이 재구축되어 방사되는 α 선량을 나타내는 도면이다.
도 3 은 Cu 중의 Pb 함유량과 α 선량의 관계를 나타내는 도면이다.
도 4 는 격막 전해법에 의한 납 제거 공정의 개략을 나타내는 도면이다
Claims (12)
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- 삭제
- 삭제
- 용해·주조된 후의 시료의 α 선량이 0.001 cph/㎠ 이하인 구리의 제조 방법에 있어서, 전해액은 황산구리 용액으로 하고, 양극과 음극 사이에 격막을 형성하고, 양극측에서 발출된 전해액 중의 석출물인 황산납을 제거한 후에, 음극측에 전해액을 공급하여, 전해를 실시하고 전석물을 얻어, 이것을 추가로 용해·주조하고,
황산구리 용액에, Cu 농도 30 ∼ 200 g/ℓ 를 사용하고,
격막으로서, Pb2+ 이온이 통과하지 않도록 음이온 교환막을 사용하는 것을 특징으로 하는 α 선량이 0.001 cph/㎠ 이하인 구리의 제조 방법. - 삭제
- 삭제
- 제 5 항에 있어서,
Pb 의 동위체인 210Pb 을 포함하는 Pb 함유량이 0.01 ppm 미만, U 함유량이 5 wtppb 미만, Th 함유량이 5 wtppb 미만인 것을 특징으로 하는 α 선량이 0.001 cph/㎠ 이하인 구리의 제조 방법. - 제 5 항에 있어서,
용해·주조로부터 1 주일 후, 3 주일 후, 1 개월 후, 2 개월 후, 6 개월 후 및 30 개월 후의 시료의, 각각의 α 선량이 0.001 cph/㎠ 이하인 것을 특징으로 하는 α 선량이 0.001 cph/㎠ 이하인 구리의 제조 방법. - 제 5 항에 있어서,
순도가 4 N (99.99 %) 이상인 것을 특징으로 하는 α 선량이 0.001 cph/㎠ 이하인 구리의 제조 방법. - 제 5 항에 기재된 구리의 제조 방법에 의해 제조된 구리를 원료로 하는 구리 합금의 제조 방법.
- 제 5 항 및 제 8 항 내지 제 10 항 중 어느 한 항에 기재된 구리의 제조 방법에 의해 제조된 구리 및 제 11 항에 기재된 구리 합금의 제조 방법에 의해 제조된 구리 합금을 원료로 하는 본딩 와이어의 제조 방법.
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