KR20170055975A - 주석 도금 구리 합금 단자재 및 그 제조 방법 - Google Patents
주석 도금 구리 합금 단자재 및 그 제조 방법 Download PDFInfo
- Publication number
- KR20170055975A KR20170055975A KR1020177007699A KR20177007699A KR20170055975A KR 20170055975 A KR20170055975 A KR 20170055975A KR 1020177007699 A KR1020177007699 A KR 1020177007699A KR 20177007699 A KR20177007699 A KR 20177007699A KR 20170055975 A KR20170055975 A KR 20170055975A
- Authority
- KR
- South Korea
- Prior art keywords
- layer
- alloy
- plating
- less
- tin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910000881 Cu alloy Inorganic materials 0.000 title claims abstract description 42
- 239000000463 material Substances 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 239000010410 layer Substances 0.000 claims abstract description 164
- 239000000956 alloy Substances 0.000 claims abstract description 134
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 132
- 229910017755 Cu-Sn Inorganic materials 0.000 claims abstract description 73
- 229910017927 Cu—Sn Inorganic materials 0.000 claims abstract description 73
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims abstract description 73
- 239000010949 copper Substances 0.000 claims abstract description 62
- 239000002344 surface layer Substances 0.000 claims abstract description 41
- 229910052802 copper Inorganic materials 0.000 claims abstract description 40
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910017482 Cu 6 Sn 5 Inorganic materials 0.000 claims abstract description 20
- 229910000765 intermetallic Inorganic materials 0.000 claims abstract description 19
- 229910000990 Ni alloy Inorganic materials 0.000 claims abstract description 18
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 99
- 238000007747 plating Methods 0.000 claims description 94
- 238000001816 cooling Methods 0.000 claims description 42
- 229910052759 nickel Inorganic materials 0.000 claims description 37
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 28
- 238000010438 heat treatment Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 12
- 239000000758 substrate Substances 0.000 claims description 12
- 229910001128 Sn alloy Inorganic materials 0.000 claims description 6
- 239000002356 single layer Substances 0.000 abstract 1
- 229910052718 tin Inorganic materials 0.000 description 27
- 230000000052 comparative effect Effects 0.000 description 18
- 229910000679 solder Inorganic materials 0.000 description 16
- 238000012360 testing method Methods 0.000 description 15
- 238000003780 insertion Methods 0.000 description 13
- 230000037431 insertion Effects 0.000 description 13
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 10
- 238000000851 scanning transmission electron micrograph Methods 0.000 description 8
- 238000002149 energy-dispersive X-ray emission spectroscopy Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000005259 measurement Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000007654 immersion Methods 0.000 description 4
- 239000000314 lubricant Substances 0.000 description 4
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910017876 Cu—Ni—Si Inorganic materials 0.000 description 2
- 229910017709 Ni Co Inorganic materials 0.000 description 2
- 229910003267 Ni-Co Inorganic materials 0.000 description 2
- 229910003262 Ni‐Co Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 229910000365 copper sulfate Inorganic materials 0.000 description 2
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- 229910016347 CuSn Inorganic materials 0.000 description 1
- 229910018100 Ni-Sn Inorganic materials 0.000 description 1
- 241000080590 Niso Species 0.000 description 1
- 229910018532 Ni—Sn Inorganic materials 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 description 1
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005211 surface analysis Methods 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- OBBXFSIWZVFYJR-UHFFFAOYSA-L tin(2+);sulfate Chemical compound [Sn+2].[O-]S([O-])(=O)=O OBBXFSIWZVFYJR-UHFFFAOYSA-L 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
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- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
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- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/10—Electroplating with more than one layer of the same or of different metals
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C13/00—Alloys based on tin
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- C—CHEMISTRY; METALLURGY
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- 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
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
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- 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
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- C23C28/021—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material including at least one metal alloy layer
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- 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
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- 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
- C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
- C23C30/005—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process on hard metal substrates
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- C25D5/50—After-treatment of electroplated surfaces by heat-treatment
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- C—CHEMISTRY; METALLURGY
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- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
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Abstract
Description
도 2 는, 실시예 3 의 주석 도금 구리 합금 단자재의 단면의 STEM 이미지이다.
도 3 은, 도 2 의 흰 선 부분을 따른 EDS 분석도이다.
도 4 는, 비교예 4 의 주석 도금 구리 합금 단자재의 단면의 STEM 이미지이다.
도 5 는, 도 4 의 백선 부분을 따른 EDS 분석도이다.
도 6 은, 비교예 10 의 주석 도금 구리 합금 단자재의 단면의 STEM 이미지이다.
도 7 은, 도 6 의 백선 부분을 따른 EDS 분석도이다.
도 8 은, 동마찰 계수를 측정하기 위한 장치를 개념적으로 나타내는 정면도이다.
12 : 수단자 시험편
13 : 암단자 시험편
14 : 추
15 : 로드 셀
Claims (3)
- 구리 또는 구리 합금으로 이루어지는 기재 상의 표면에 Sn 계 표면층이 형성되어 있고, 그 Sn 계 표면층과 상기 기재 사이에, 상기 Sn 계 표면층으로부터 차례로 Cu-Sn 합금층/Ni 층 또는 Ni 합금층이 형성된 주석 도금 구리 합금 단자재로서,
상기 Cu-Sn 합금층은, Cu6Sn5 합금의 Cu 의 일부가 Ni 로 치환된 금속간 화합물 합금만으로 이루어지는 층이고,
상기 Cu-Sn 합금층의 일부가 상기 Sn 계 표면층의 표면에 노출되어 복수의 노출부를 형성하고 있으며,
상기 Sn 계 표면층의 평균 두께가 0.2 ㎛ 이상 0.6 ㎛ 이하이고,
상기 주석 도금 구리 합금 단자재의 표층의 표면적에 대한 상기 Cu-Sn 합금층의 상기 노출부의 면적률이 1 % 이상 40 % 이하이고,
상기 Cu-Sn 합금층의 상기 각 노출부의 원 상당 직경의 평균치가 0.1 ㎛ 이상 1.5 ㎛ 이하이고,
상기 주석 도금 구리 합금 단자재의 표면의 돌출 산부 높이 Rpk 가 0.005 ㎛ 이상 0.03 ㎛ 이하이고, 동마찰 계수가 0.3 이하인 것을 특징으로 하는 주석 도금 구리 합금 단자재. - 제 1 항에 있어서,
상기 Cu-Sn 합금층 중의 Ni 함유율이, 1 at% 이상 25 at% 이하인 것을 특징으로 하는 주석 도금 구리 합금 단자재. - 구리 합금으로 이루어지는 기재 상에, 니켈 도금 또는 니켈 합금 도금, 구리 도금 및 주석 도금을 이 순서로 실시한 후에, 리플로 처리함으로써, 상기 기재 상에 Ni 층 또는 Ni 합금층/Cu-Sn 합금층/Sn 계 표면층을 형성한 주석 도금 구리 합금 단자재를 제조하는 방법으로서,
상기 니켈 도금 또는 니켈 합금 도금에 의한 제 1 도금층 두께를 0.05 ㎛ 이상 1.0 ㎛ 로 하고,
상기 구리 도금에 의한 제 2 도금층 두께를 0.05 ㎛ 이상 0.20 ㎛ 이하로 하며,
상기 주석 도금에 의한 제 3 도금층 두께를 0.5 ㎛ 이상 1.0 ㎛ 이하로 하고,
상기 리플로 처리는, 각 도금층을 20 ∼ 75 ℃/초의 승온 속도로 240 ∼ 300 ℃ 의 피크 온도까지 가열하는 가열 공정과, 상기 피크 온도에 도달한 후, 30 ℃/초 이하의 냉각 속도로 2 ∼ 15 초간 냉각시키는 1 차 냉각 공정과, 1 차 냉각 후에 100 ∼ 300 ℃/초의 냉각 속도로 냉각시키는 2 차 냉각 공정을 갖는 것을 특징으로 하는 주석 도금 구리 합금 단자재의 제조 방법.
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| PCT/JP2015/073132 WO2016039089A1 (ja) | 2014-09-11 | 2015-08-18 | 錫めっき銅合金端子材及びその製造方法 |
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| JP5939345B1 (ja) * | 2015-11-06 | 2016-06-22 | 株式会社オートネットワーク技術研究所 | 端子金具およびコネクタ |
| JP6423025B2 (ja) * | 2017-01-17 | 2018-11-14 | 三菱伸銅株式会社 | 挿抜性に優れた錫めっき付銅端子材及びその製造方法 |
| KR101900793B1 (ko) * | 2017-06-08 | 2018-09-20 | 주식회사 풍산 | 전기·전자, 자동차 부품용 동합금의 주석 도금 방법 및 이로부터 제조된 동합금의 주석 도금재 |
| KR102509377B1 (ko) * | 2017-07-28 | 2023-03-10 | 미쓰비시 마테리알 가부시키가이샤 | 주석 도금이 형성된 구리 단자재 및 단자 그리고 전선 단말부 구조 |
| JP6489257B1 (ja) * | 2018-03-14 | 2019-03-27 | 日立金属株式会社 | 錫メッキ銅線およびその製造方法、並びに絶縁電線、ケーブル |
| JP7040224B2 (ja) * | 2018-03-30 | 2022-03-23 | 三菱マテリアル株式会社 | 錫めっき付銅端子材及びその製造方法 |
| CN108914123A (zh) * | 2018-07-27 | 2018-11-30 | 苏州瑞沁精密机械有限公司 | 一种金属零件表面防腐蚀处理方法 |
| US20210355595A1 (en) * | 2018-10-17 | 2021-11-18 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | Copper or copper alloy sheet strip with surface coating layer |
| JP7352851B2 (ja) * | 2019-08-05 | 2023-09-29 | 株式会社オートネットワーク技術研究所 | 電気接点材料、端子金具、コネクタ、及びワイヤーハーネス |
| JP7272224B2 (ja) * | 2019-09-30 | 2023-05-12 | 三菱マテリアル株式会社 | コネクタ用端子材 |
| JP7773020B2 (ja) * | 2022-03-31 | 2025-11-19 | 三菱マテリアル株式会社 | コネクタ用端子材 |
| CN114905106B (zh) * | 2022-05-23 | 2023-03-24 | 北京科技大学 | 一种基于Cu6Sn5取向复合涂层制备的Cu/SnAgCu/Cu钎焊方法 |
| JP7670224B1 (ja) | 2024-01-24 | 2025-04-30 | 三菱マテリアル株式会社 | コネクタ用端子材及びその製造方法、並びにコネクタ |
| JP2025145843A (ja) * | 2024-03-22 | 2025-10-03 | 三菱マテリアル株式会社 | めっき皮膜付銅端子材及びその製造方法 |
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| US20170298527A1 (en) | 2017-10-19 |
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| US10047448B2 (en) | 2018-08-14 |
| EP3192896A4 (en) | 2018-05-02 |
| TWI620835B (zh) | 2018-04-11 |
| WO2016039089A1 (ja) | 2016-03-17 |
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