KR20170031769A - 솔더링용 저온 고신뢰성 주석 합금 - Google Patents
솔더링용 저온 고신뢰성 주석 합금 Download PDFInfo
- Publication number
- KR20170031769A KR20170031769A KR1020177004644A KR20177004644A KR20170031769A KR 20170031769 A KR20170031769 A KR 20170031769A KR 1020177004644 A KR1020177004644 A KR 1020177004644A KR 20177004644 A KR20177004644 A KR 20177004644A KR 20170031769 A KR20170031769 A KR 20170031769A
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- weight
- alloy
- indium
- silver
- bismuth
- Prior art date
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- 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
- B23K35/26—Selection of soldering or welding materials proper with the principal constituent melting at less than 400 degrees C
- B23K35/262—Sn as the principal constituent
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
- B23K1/0016—Brazing of electronic components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/002—Soldering by means of induction heating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/005—Soldering by means of radiant energy
- B23K1/0056—Soldering by means of radiant energy soldering by means of beams, e.g. lasers, E.B.
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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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/08—Soldering by means of dipping in molten solder
- B23K1/085—Wave soldering
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- B—PERFORMING OPERATIONS; TRANSPORTING
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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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
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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
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
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- C22C13/00—Alloys based on tin
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- C22C—ALLOYS
- C22C13/00—Alloys based on tin
- C22C13/02—Alloys based on tin with antimony or bismuth as the next major constituent
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Abstract
Description
도 1은 선행 기술의 합금 및 본 발명에 따르는 합금에 대한 비커스 경도(Vickers Hardness)(Hv-1) 값을 보여준다.
도 2는 선행 기술의 합금 및 본 발명에 따르는 합금에 대한 극한 인장 강도(UTS)를 보여준다.
도 3은 선행 기술의 합금 및 본 발명에 따르는 합금에 대한 항복 강도(YS)를 보여준다.
도 4는 열 사이클링 시험의 결과를 보여준다.
도 1에 따르면, 합금의 경도는 35Hv인 합금 E를 제외하고는 25 내지 30Hv 사이에서 가변적이다. 즉, 합금의 경도의 증가는 SnAg3.0Cu0.5와 비교하여 67 내지 100% 범위이다. 합금 E의 경도는 SnAg3.0Cu0.5의 경도보다 133% 더 크다.
극한 인장 강도(UTS) 및 항복 강도(YS)는 도 2 및 도 3에 각각 나타낸다(인장 측정치의 시험 방법에 대해서는 ASTM E8/E8M-09를 참조한다). UTS는 합금 F에서 적어도 53% 증가하고 합금 M에서 137% 이하로 증가한다. YS는 합금 D에서 적어도 41% 증가하고 합금 M에서 104% 이하로 증가한다.
Claims (37)
- 무연 무안티몬 솔더 합금(lead-free, antimony-free solder alloy)으로서,
(a) 1 내지 4중량%의 은,
(b) 0.5 내지 6중량%의 비스무트,
(c) 3.55 내지 15중량%의 인듐,
(d) 3중량% 이하의 구리,
(e) 임의로 아래의 원소들 중의 하나 이상:
0 내지 1중량%의 니켈,
0 내지 1중량%의 티타늄,
0 내지 1중량%의 망간,
0 내지 1중량%의 희토류 원소(rare earths), 예를 들면 세륨,
0 내지 1중량%의 크롬,
0 내지 1중량%의 게르마늄,
0 내지 1중량%의 갈륨,
0 내지 1중량%의 코발트,
0 내지 1중량%의 철,
0 내지 1중량%의 알루미늄,
0 내지 1중량%의 인,
0 내지 1중량%의 금,
0 내지 1중량%의 텔루륨,
0 내지 1중량%의 셀레늄,
0 내지 1중량%의 칼슘,
0 내지 1중량%의 바나듐,
0 내지 1중량%의 몰리브덴,
0 내지 1중량%의 백금,
0 내지 1중량%의 마그네슘,
(f) 잔여량의(the balance) 주석
을 임의의 불가피한 불순물과 함께 포함하는, 무연 무안티몬 솔더 합금. - 제1항에 있어서, 상기 합금이 1.2 내지 3.8중량%의 은, 바람직하게는 2.5 내지 3.5중량%의 은, 더욱 바람직하게는 2.75 내지 3.75중량%의 은을 포함하는, 무연 무안티몬 솔더 합금.
- 제1항 또는 제2항에 있어서, 상기 합금이 1.5 내지 5.5중량%의 비스무트, 바람직하게는 2 내지 5중량%의 비스무트, 더욱 바람직하게는 2.5 내지 4.5중량%의 비스무트를 포함하는, 무연 무안티몬 솔더 합금.
- 제1항 내지 제3항 중의 어느 한 항에 있어서, 상기 합금이 3.6 내지 12중량%의 인듐, 바람직하게는 3.65 내지 12중량%의 인듐, 더욱 바람직하게는 3.7 내지 10중량%의 인듐, 더욱 더 바람직하게는 4 내지 10중량%의 인듐을 포함하는, 무연 무안티몬 솔더 합금.
- 제1항 내지 제4항 중의 어느 한 항에 있어서, 상기 합금이 0.01 내지 3중량%의 구리, 바람직하게는 0.1 내지 1중량%의 구리, 더욱 바람직하게는 0.4 내지 0.8중량%의 구리를 포함하는, 무연 무안티몬 솔더 합금.
- 제1항 내지 제5항 중의 어느 한 항에 있어서, 상기 합금이 0.01 내지 1중량%의 니켈, 바람직하게는 0.03 내지 0.6중량%의 니켈, 더욱 바람직하게는 0.05 내지 0.5중량%의 니켈, 더욱 더 바람직하게는 0.08 내지 0.25중량%의 니켈을 포함하는, 무연 무안티몬 솔더 합금.
- 제1항 내지 제6항 중의 어느 한 항에 있어서, 상기 합금이 2 내지 4중량%의 은, 1 내지 6중량%의 비스무트, 및 3.65 내지 7중량%의 인듐을 포함하는, 무연 무안티몬 솔더 합금.
- 제1항 내지 제7항 중의 어느 한 항에 있어서, 상기 합금이 3 내지 4.5중량%의 은, 3 내지 4.5중량%의 비스무트, 3 내지 4.5%의 인듐, 0.1 내지 1.5중량%의 구리, 및 0.05 내지 0.25중량%의 니켈을 포함하는, 무연 무안티몬 솔더 합금.
- 제1항 내지 제6항 중의 어느 한 항에 있어서, 상기 합금이 2.5 내지 4중량%의 은, 4 내지 5.5중량%의 비스무트, 3 내지 4.5%의 인듐, 0.1 내지 1.5중량%의 구리, 및 0.05 내지 0.25중량%의 니켈을 포함하는, 무연 무안티몬 솔더 합금.
- 제1항 내지 제6항 중의 어느 한 항에 있어서, 상기 합금이 1 내지 2중량%의 은, 4 내지 5.5중량%의 비스무트, 3 내지 4.5%의 인듐, 0.1 내지 1.5중량%의 구리, 및 0.05 내지 0.25중량%의 니켈을 포함하는, 무연 무안티몬 솔더 합금.
- 제1항 내지 제6항 중의 어느 한 항에 있어서, 상기 합금이 2.5 내지 4중량%의 은, 1 내지 2중량%의 비스무트, 3 내지 4.5%의 인듐, 및 0.1 내지 1.5중량%의 구리를 포함하는, 무연 무안티몬 솔더 합금.
- 제1항 내지 제6항 중의 어느 한 항에 있어서, 상기 합금이 2.5 내지 4중량%의 은, 1 내지 2중량%의 비스무트, 4 내지 5.5%의 인듐, 0.1 내지 1.5중량%의 구리, 및 0.05 내지 0.25중량%의 니켈을 포함하는, 무연 무안티몬 솔더 합금.
- 제1항 내지 제6항 중의 어느 한 항에 있어서, 상기 합금이 2.5 내지 4중량%의 은, 2.5 내지 4중량%의 비스무트, 3.5 내지 5%의 인듐, 0.1 내지 1.5중량%의 구리, 및 0.05 내지 0.25중량%의 니켈을 포함하는, 무연 무안티몬 솔더 합금.
- 제1항 내지 제6항 중의 어느 한 항에 있어서, 상기 합금이 2.5 내지 4중량%의 은, 2.5 내지 4중량%의 비스무트, 4 내지 5.5%의 인듐, 0.1 내지 1.5중량%의 구리, 및 0.05 내지 0.25중량%의 니켈을 포함하는, 무연 무안티몬 솔더 합금.
- 제1항 내지 제6항 중의 어느 한 항에 있어서, 상기 합금이 2.5 내지 4중량%의 은, 2.5 내지 4중량%의 비스무트, 5 내지 6.5%의 인듐, 0.1 내지 1.5중량%의 구리, 및 0.05 내지 0.25중량%의 니켈을 포함하는, 무연 무안티몬 솔더 합금.
- 제1항 내지 제6항 중의 어느 한 항에 있어서, 상기 합금이 2.5 내지 4중량%의 은, 2.5 내지 4중량%의 비스무트, 5 내지 6.5%의 인듐, 0.1 내지 1.5중량%의 구리, 0.05 내지 0.25중량%의 니켈, 및 0.001 내지 0.05중량%의 망간을 포함하는, 무연 무안티몬 솔더 합금.
- 제1항 내지 제6항 중의 어느 한 항에 있어서, 상기 합금이 2.5 내지 3.5중량%의 은, 2.5 내지 3.5중량%의 비스무트, 5.5 내지 6.5%의 인듐, 0.3 내지 0.7중량%의 구리, 0.05 내지 0.25중량%의 니켈, 및 0.005 내지 0.05중량%의 망간을 포함하는, 무연 무안티몬 솔더 합금.
- 제1항 내지 제6항 중의 어느 한 항에 있어서, 상기 합금이 2.5 내지 3.5중량%의 은, 2.5 내지 3.5중량%의 비스무트, 7 내지 9%의 인듐, 0.3 내지 0.8중량%의 구리, 및 0.005 내지 0.05중량%의 티타늄을 포함하는, 무연 무안티몬 솔더 합금.
- 제1항 내지 제6항 중의 어느 한 항에 있어서, 상기 합금이 2.5 내지 3.5중량%의 은, 2.5 내지 3.5중량%의 비스무트, 9 내지 11%의 인듐, 0.3 내지 0.8중량%의 구리, 및 0.005 내지 0.05중량%의 망간을 포함하는, 무연 무안티몬 솔더 합금.
- 제1항 내지 제6항 중의 어느 한 항에 있어서, 상기 합금이 2.5 내지 3.5중량%의 은, 2.5 내지 3.5중량%의 비스무트, 11 내지 13%의 인듐, 및 0.3 내지 0.8중량%의 구리를 포함하는, 무연 무안티몬 솔더 합금.
- 제1항 내지 제6항 중의 어느 한 항에 있어서, 상기 합금이 2.5 내지 3.5중량%의 은, 2.5 내지 3.5중량%의 비스무트, 5.5 내지 6.5%의 인듐, 0.3 내지 0.8중량%의 구리, 0.05 내지 0.4중량%의 니켈, 0.005 내지 0.05중량%의 망간, 및 0.01 내지 0.15중량%의 인을 포함하는, 무연 무안티몬 솔더 합금.
- 제1항 내지 제6항 중의 어느 한 항에 있어서, 상기 합금이 2.5 내지 3.5중량%의 은, 2.5 내지 3.5중량%의 비스무트, 5.5 내지 6.5%의 인듐, 0.3 내지 7중량%의 구리, 0.05 내지 0.25중량%의 니켈, 및 0.001 내지 0.03중량%의 게르마늄을 포함하는, 무연 무안티몬 솔더 합금.
- 무연 무안티몬 솔더 합금으로서,
(a) 10중량% 이하의 은,
(b) 10중량% 이하의 비스무트,
(c) 0.5중량% 이상의 갈륨,
(d) 12중량% 이하의 인듐,
(e) 임의로 아래의 원소들 중의 하나 이상:
2중량% 이하의 구리,
0 내지 1중량%의 니켈,
0 내지 1중량%의 티타늄,
0 내지 1중량%의 망간,
0 내지 1중량%의 희토류 원소, 예를 들면 세륨,
0 내지 1중량%의 크롬,
0 내지 1중량%의 게르마늄,
0 내지 1중량%의 코발트,
0 내지 1중량%의 철,
0 내지 1중량%의 알루미늄,
0 내지 1중량%의 인,
0 내지 1중량%의 금,
0 내지 1중량%의 텔루륨,
0 내지 1중량%의 셀레늄,
0 내지 1중량%의 칼슘,
0 내지 1중량%의 바나듐,
0 내지 1중량%의 몰리브덴,
0 내지 1중량%의 백금,
0 내지 1중량%의 마그네슘,
(g) 잔여량의 주석
을 임의의 불가피한 불순물과 함께 포함하는, 무연 무안티몬 솔더 합금. - 제23항에 있어서, 1 내지 10중량%의 은, 0.5 내지 10중량%의 비스무트, 0.5 내지 3중량%의 갈륨, 및 3.55 내지 12중량%의 인듐을 포함하는, 무연 무안티몬 솔더 합금.
- 무연 무안티몬 솔더 합금으로서,
(a) 10중량% 이하의 은,
(b) 10중량% 이하의 비스무트,
(c) 3중량% 이하의 구리,
(d) 10중량% 이하의 인듐,
(e) 0.5중량% 이상의 갈륨,
(f) 임의로 아래의 원소들 중의 하나 이상:
0 내지 1중량%의 니켈,
0 내지 1중량%의 티타늄,
0 내지 1중량%의 망간,
0 내지 1중량%의 희토류 원소, 예를 들면 세륨,
0 내지 1중량%의 크롬,
0 내지 1중량%의 게르마늄,
0 내지 1중량%의 코발트,
0 내지 1중량%의 철,
0 내지 1중량%의 알루미늄,
0 내지 1중량%의 인,
0 내지 1중량%의 금,
0 내지 1중량%의 텔루륨,
0 내지 1중량%의 셀레늄,
0 내지 1중량%의 칼슘,
0 내지 1중량%의 바나듐,
0 내지 1중량%의 몰리브덴,
0 내지 1중량%의 백금,
0 내지 1중량%의 마그네슘,
(g) 잔여량의 주석
을 임의의 불가피한 불순물과 함께 포함하는, 무연 무안티몬 솔더 합금. - 제25항에 있어서, 상기 합금이 2.5 내지 4중량%의 은, 3.5 내지 4.5중량%의 비스무트, 2 내지 3.5%의 인듐, 0.1 내지 1.5중량%의 구리, 0.05 내지 0.25중량%의 니켈, 및 0.1 내지 2.5중량%의 Ga을 포함하는, 무연 무안티몬 솔더 합금.
- 무연 무안티몬 솔더 합금으로서,
(a) 10중량% 이하의 은,
(b) 10중량% 이하의 비스무트,
(c) 25중량% 이하의 인듐,
(d) 임의로 아래의 원소들 중의 하나 이상:
0 내지 3중량%의 Cu,
0 내지 1중량%의 니켈,
0 내지 1중량%의 티타늄,
0 내지 1중량%의 망간,
0 내지 1중량%의 희토류 원소, 예를 들면 세륨,
0 내지 1중량%의 크롬,
0 내지 1중량%의 게르마늄,
0 내지 1중량%의 코발트,
0 내지 1중량%의 철,
0 내지 1중량%의 알루미늄,
0 내지 1중량%의 인,
0 내지 1중량%의 금,
0 내지 1중량%의 텔루륨,
0 내지 1중량%의 셀레늄,
0 내지 1중량%의 칼슘,
0 내지 1중량%의 바나듐,
0 내지 1중량%의 몰리브덴,
0 내지 1중량%의 백금,
0 내지 1중량%의 마그네슘,
(e) 잔여량의 주석
을 임의의 불가피한 불순물과 함께 포함하는, 무연 무안티몬 솔더 합금. - 제27항에 있어서, 1 내지 10중량%의 은, 0.5 내지 10중량%의 비스무트, 및 3.55 내지 25중량%의 인듐을 포함하는, 무연 무안티몬 솔더 합금.
- 무연 무안티몬 솔더 합금으로서,
(a) 10중량% 이하의 은,
(b) 30중량% 이하의 인듐,
(c) 3중량% 이하의 구리,
(d) 임의로 아래의 원소들 중의 하나 이상:
0 내지 3중량%의 비스무트,
0 내지 1중량%의 니켈,
0 내지 1중량%의 티타늄,
0 내지 1중량%의 망간,
0 내지 1중량%의 희토류 원소, 예를 들면 세륨,
0 내지 1중량%의 크롬,
0 내지 1중량%의 게르마늄,
0 내지 1중량%의 코발트,
0 내지 1중량%의 철,
0 내지 1중량%의 알루미늄,
0 내지 1중량%의 인,
0 내지 1중량%의 금,
0 내지 1중량%의 텔루륨,
0 내지 1중량%의 셀레늄,
0 내지 1중량%의 칼슘,
0 내지 1중량%의 바나듐,
0 내지 1중량%의 몰리브덴,
0 내지 1중량%의 백금,
0 내지 1중량%의 마그네슘,
(e) 잔여량의 주석
을 임의의 불가피한 불순물과 함께 포함하는, 무연 무안티몬 솔더 합금. - 제29항에 있어서, 1 내지 10중량%의 은, 3.55 내지 30중량%의 인듐, 및 0.1 내지 3중량%의 구리를 포함하는, 무연 무안티몬 솔더 합금.
- 무연 무안티몬 솔더 합금으로서,
(a) 10중량% 이하의 은,
(b) 10중량% 이하의 비스무트,
(b) 8중량% 이하의 인듐,
(c) 3중량% 이하의 구리,
(d) 1중량% 이하의 인,
(d) 임의로 아래의 원소들 중의 하나 이상:
0 내지 1중량%의 니켈,
0 내지 1중량%의 티타늄,
0 내지 1중량%의 망간,
0 내지 1중량%의 희토류 원소, 예를 들면 세륨,
0 내지 1중량%의 크롬,
0 내지 1중량%의 게르마늄,
0 내지 1중량%의 코발트,
0 내지 1중량%의 철,
0 내지 1중량%의 알루미늄,
0 내지 1중량%의 금,
0 내지 1중량%의 텔루륨,
0 내지 1중량%의 셀레늄,
0 내지 1중량%의 칼슘,
0 내지 1중량%의 바나듐,
0 내지 1중량%의 몰리브덴,
0 내지 1중량%의 백금,
0 내지 1중량%의 마그네슘,
(e) 잔여량의 주석
을 임의의 불가피한 불순물과 함께 포함하는, 무연 무안티몬 솔더 합금. - 제31항에 있어서, 1 내지 10중량%의 은, 0.5 내지 10중량%의 비스무트, 3.55 내지 8중량%의 인듐, 0.1 내지 3중량%의 구리, 및 0.01 내지 1중량%의 인을 포함하는, 무연 무안티몬 솔더 합금.
- 제1항 내지 제32항 중의 어느 한 항에 있어서, 상기 합금이 215℃ 이하, 바람직하게는 210.5℃ 이하, 더욱 바람직하게는 210℃ 이하, 더욱 더 바람직하게는 200 내지 208℃의 액체화 온도를 갖는, 무연 무안티몬 솔더 합금.
- 제1항 내지 제33항 중의 어느 한 항에 있어서, 바(bar), 스틱(stick), 강체(solid) 또는 플럭스 코어드 와이어(flux cored wire), 호일(foil) 또는 스트립(strip), 또는 분말 또는 페이스트(분말 + 플럭스(flux) 블렌드), 또는 볼 그리드 어레이 접합부(ball grid array joint) 또는 칩 스케일 패키지(chip scale package)에서 사용하기 위한 솔더 구체(solder spheres), 또는 플럭스 코어(flux core) 또는 플럭스 코팅(flux coating)을 갖거나 갖지 않는 기타 예비형성된 솔더 피스(solder piece)의 형태인, 무연 무안티몬 솔더 합금.
- 제1항 내지 제34항 중의 어느 한 항에 따르는 합금을 포함하는 솔더링된 접합부(soldered joint).
- 솔더 접합부(solder joint)의 형성 방법으로서,
(i) 접합될 2종 이상의 가공물(work piece)들을 제공하는 단계;
(ii) 제1항 내지 제34항 중의 어느 한 항에 따르는 솔더 합금을 제공하는 단계; 및
(iii) 상기 솔더 합금을 상기 접합될 가공물들 주변에서 가열하는 단계
를 포함하는, 솔더 접합부의 형성 방법. - 웨이브 솔더링(wave soldering), 표면 실장 기술(SMT)(surface mounting technology) 솔더링, 다이 부착 솔더링(die attach soldering), 열적 경계면 솔더링(thermal interface soldering), 핸드 솔더링(hand soldering), 레이저 및 RF 유도 솔더링, 태양광 모듈(solar module)에 대한 솔더링, 레벨 2 LED 패키지 보드(package board)의 솔더링, 및 재작업 솔더링(rework soldering)과 같은 솔더링 방법에서 제1항 내지 제34항 중의 어느 한 항에 따르는 합금 조성물의 용도.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201462026991P | 2014-07-21 | 2014-07-21 | |
| US62/026,991 | 2014-07-21 | ||
| PCT/GB2015/052036 WO2016012754A2 (en) | 2014-07-21 | 2015-07-15 | Low temperature high reliability alloy for solder hierarchy |
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| Publication Number | Publication Date |
|---|---|
| KR20170031769A true KR20170031769A (ko) | 2017-03-21 |
| KR101985646B1 KR101985646B1 (ko) | 2019-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020177004644A Active KR101985646B1 (ko) | 2014-07-21 | 2015-07-15 | 솔더링용 저온 고신뢰성 주석 합금 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US10322471B2 (ko) |
| EP (1) | EP3172349A2 (ko) |
| KR (1) | KR101985646B1 (ko) |
| CN (1) | CN106660153A (ko) |
| TW (1) | TW201615854A (ko) |
| WO (1) | WO2016012754A2 (ko) |
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Also Published As
| Publication number | Publication date |
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| WO2016012754A2 (en) | 2016-01-28 |
| EP3172349A2 (en) | 2017-05-31 |
| WO2016012754A3 (en) | 2016-05-06 |
| US10322471B2 (en) | 2019-06-18 |
| TW201615854A (zh) | 2016-05-01 |
| KR101985646B1 (ko) | 2019-06-04 |
| CN106660153A (zh) | 2017-05-10 |
| US20170197281A1 (en) | 2017-07-13 |
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