KR20200064178A - 고 충격 인성 땜납 합금 - Google Patents
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Abstract
Description
도 2는 3개 기준 예와 본 발명의 제 1 양태에 따른 3개 합금에 대한 샤르피 충격 테스트의 결과를 도시하는 플롯이며,
도 3은 기준 예와 본 발명에 따른 다수의 합금의 구리 유기 납땜성 보전제(OSP)에 대한 mm 단위의 선형 분산(linear spread)의 플롯이며,
도 4는 다수의 기준 예와 본 발명에 따른 다수의 합금을 위한 벌크 전단 테스트(Bulk Shear Test)의 결과를 도시하는 플롯이며,
도 5는 다수의 기준 예와 본 발명에 따른 다수의 합금을 위한 경도 테스트의 결과를 도시하는 플롯이며,
도 6은 다수의 기준 예와 본 발명에 따른 다수의 합금의 항복 강도의 플롯이며,
도 7은 다수의 기준 예와 본 발명에 따른 다수의 합금의 인장 강도의 플롯이며,
도 8은 다수의 기준 예와 칩 구성 요소 상에 통합될 때 본 발명에 따른 다수의 합금을 위한 벌크 전단 테스트의 결과를 도시하는 플롯이며,
도 9는 다수의 기준 예와 쿼드 플랫 패키지(QFP) 구성 요소에 통합될 때 본 발명에 따른 다수의 합금을 위한 리드 견인 시험(Lead Pull Test)의 결과를 도시하는 플롯이며,
도 10은 다수의 기준 예와 본 발명에 따른 다수의 합금의 열적 전도성의 플롯이며,
도 11 내지 도 13은 각각 Sn57.6BiO.4Ag, Sn57.45Bi0.5Ag0.05Ni 및 Sn57.4Bi0.5Ag0.1Ce의 마이크로구조의 전자 현미경 이미지를 도시하며,
도 14는 다수의 기준 예와 본 발명에 따른 다수의 합금의 Cu 용해율을 위한 시간을 도시하며,
도 15는 기준 예와 본 발명에 따른 다수의 합금을 위한 낙하 충격 시험의 결과를 도시하며,
도 16은 다수의 기준 예와 본 발명에 따른 다수의 합금을 위한 열적 피로 시험의 결과를 도시하며,
도 17은 다수의 기준 예와 본 발명에 따른 다수의 합금을 위한 열적 피로 시험의 결과를 도시한다.
Claims (20)
- 합금, 바람직하게는 무연 땜납 합금으로서,
35 내지 59 wt% Bi,
0 내지 1.0 wt% Ag,
0 내지 1.0 wt% Au,
0 내지 1.0 wt% Cr,
0 내지 2.0 wt% In,
0 내지 1.0 wt% P,
0 내지 1.0 wt% Sb,
0 내지 1.0 wt% Sc,
0 내지 1.0 wt% Y,
0 내지 1.0 wt% Zn, 및
0 내지 1.0 wt% 희토류 원소를 포함하고,
0보다 크고 1.0 wt%까지의 Al,
0.01 내지 1.0 wt% Ce,
0보다 크고 1.0 wt%까지의 Co,
0보다 크고 1.0 wt%까지의 Cu,
0.001 내지 1.0 wt% Ge,
0보다 크고 1.0 wt%까지의 Mg,
0보다 크고 1.0 wt%까지의 Mn,
0.01 내지 1.0 wt% Ni, 및
0보다 크고 1.0 wt%까지의 Ti
중 하나 이상과,
임의의 불가피한 불순물과 함께 잔여부 Sn을 포함하는,
합금.
- 제 1 항에 있어서,
35 내지 55 wt% Bi를 포함하는,
합금.
- 제 1 항에 있어서,
57 내지 59 wt% Bi를 포함하는,
합금.
- 합금으로서,
41 내지 43 wt% Sn을 포함하고,
0 내지 1.0 wt% Ag,
0 내지 1.0 wt% Al,
0 내지 1.0 wt% Au,
0 내지 1.0 wt% Co,
0 내지 1.0 wt% Cr,
0 내지 1.0 wt% Cu,
0 내지 2.0 wt% In,
0 내지 1.0 wt% Mn,
0 내지 1.0 wt% P,
0 내지 1.0 wt% Sb,
0 내지 1.0 wt% Sc,
0 내지 1.0 wt% Ti,
0 내지 1.0 wt% Y,
0 내지 1.0 wt% Zn,
0 내지 1.0 wt% 희토류 원소,
0.01 내지 1.0 wt% Ce,
0.01 내지 1.0 wt% Ni, 및
0.001 내지 1.0 wt% Ge
중 하나 이상과,
임의의 불가피한 불순물과 함께 잔여부 Bi를 포함하는,
합금.
- 합금으로서,
41 내지 43 wt% Sn과,
0 내지 1.0 wt% Ag를 포함하고,
0 내지 1.0 wt% Al,
0 내지 1.0 wt% Au,
0 내지 1.0 wt% Co,
0 내지 1.0 wt% Cr,
0 내지 1.0 wt% Cu,
0 내지 2.0 wt% In,
0 내지 1.0 wt% Mn,
0 내지 1.0 wt% P,
0 내지 1.0 wt% Sb,
0 내지 1.0 wt% Sc,
0 내지 1.0 wt% Ti,
0 내지 1.0 wt% Y,
0 내지 1.0 wt% Zn,
0 내지 1.0 wt% 희토류 원소,
0.01 내지 1.0 wt% Ce,
0.01 내지 1.0 wt% Ni, 및
0.001 내지 1.0 wt% Ge
중 하나 이상과,
임의의 불가피한 불순물과 함께 잔여부 Bi를 포함하는,
합금.
- 합금으로서,
50 내지 65 wt% Sn을 포함하고,
0 내지 1.0 wt% Ag,
0 내지 1.0 wt% Al,
0 내지 1.0 wt% Au,
0 내지 1.0 wt% Co,
0 내지 1.0 wt% Cr,
0 내지 1.0 wt% Cu,
0 내지 2.0 wt% In,
0 내지 1.0 wt% Mn,
0 내지 1.0 wt% P,
0 내지 1.0 wt% Sb,
0 내지 1.0 wt% Sc,
0 내지 1.0 wt% Ti,
0 내지 1.0 wt% Y,
0 내지 1.0 wt% Zn,
0 내지 1.0 wt% 희토류 원소,
0.01 내지 1.0 wt% Ce,
0.01 내지 1.0 wt% Ni, 및
0.001 내지 1.0 wt% Ge
중 하나 이상과,
임의의 불가피한 불순물과 함께 잔여부 Bi를 포함하는,
합금.
- 합금으로서,
50 내지 65 wt% Sn과,
0 내지 1.0 wt% Ag를 포함하고,
0 내지 1.0 wt% Al,
0 내지 1.0 wt% Au,
0 내지 1.0 wt% Co,
0 내지 1.0 wt% Cr,
0 내지 1.0 wt% Cu,
0 내지 2.0 wt% In,
0 내지 1.0 wt% Mn,
0 내지 1.0 wt% P,
0 내지 1.0 wt% Sb,
0 내지 1.0 wt% Sc,
0 내지 1.0 wt% Ti,
0 내지 1.0 wt% Y,
0 내지 1.0 wt% Zn,
0 내지 1.0 wt% 희토류 원소,
0.01 내지 1.0 wt% Ce,
0.01 내지 1.0 wt% Ni, 및
0.001 내지 1.0 wt% Ge
중 하나 이상과,
임의의 불가피한 불순물과 함께 잔여부 Bi를 포함하는,
합금.
- 제 1 항 내지 제 7 항 중 어느 한 항에 있어서,
0.01 내지 0.5 wt% Ce, 바람직하게는, 0.05 내지 0.1 wt% Ce를 포함하는,
합금.
- 제 1 항 내지 제 8 항 중 어느 한 항에 있어서,
0.01 내지 0.5 wt% Ni, 바람직하게는, 0.025 내지 0.1 wt% Ni, 더욱 바람직하게는 0.025 내지 0.05 wt% Ni를 포함하는,
합금.
- 제 1 항 내지 제 9 항 중 어느 한 항에 있어서,
0.001 내지 0.1 wt% Ge, 바람직하게는, 0.001 내지 0.01 wt% Ge를 포함하는,
합금.
- 제 1 항 내지 제 10 항 중 어느 한 항에 있어서,
0.01 내지 0.8 wt% Ag, 바람직하게는 0.3 내지 0.7 wt% Ag, 더욱 바람직하게는 0.4 내지 0.6 wt% Ag, 더 더욱 바람직하게는 약 0.5 wt% Ag를 포함하는,
합금.
- 제 1 항 내지 제 11 항 중 어느 한 항에 있어서,
0 내지 0.7 wt% Al,
0 내지 0.5 wt% Co,
0 내지 0.5 wt% Cu,
0 내지 1.5 wt% In,
0 내지 0.5 wt% Mg,
0 내지 0.2 wt% Mn,
0 내지 0.01 wt% P, 및
0 내지 0.1 wt% Ti를 포함하는,
합금.
- 제 1 항 내지 제 12 항 중 어느 한 항에 있어서,
0.003 내지 0.5 wt% Co,
0.1 내지 0.5 wt% Cu, 및
0.2 내지 1.0 wt% In
중 하나 이상을 포함하는,
합금.
- 제 1 항에 있어서,
57 내지 59 wt% Bi와,
0.1 내지 0.3 wt% Cu를 포함하고,
0.02 내지 0.04 wt% Co, 및
0.02 내지 0.04 wt% Ni
중 하나 이상과,
임의의 불가피한 불순물과 함께 잔여부 Sn을 포함하는,
합금.
- 제 1 항 내지 제 14 항 중 어느 한 항에 있어서,
합금은 땜납 합금, 바람직하게는 무연 땜납 합금인,
합금.
- 제 1 항 내지 제 15 항 중 어느 한 항에 있어서,
바아, 스틱, 중실 또는 플럭스 코어 와이어, 포일 또는 스트립, 필름, 예비성형체 또는 분말이나 페이스트(분말과 플럭스의 혼합물) 또는 볼 그리드 어레이 조인트에 사용하기 위한 솔더 구체 또는 예비성형된 솔더 부재 또는 리플로우된 또는 응고된 땜납의 형태이거나, 광전 용례를 위한 구리 리본 같은 임의의 납땜 가능한 재료상에 사전 적용되는,
합금.
- 제 1 항 내지 제 16 항 중 어느 한 항에 있어서,
샤르피 충격 시험을 사용하여 측정될 때 대응 Sn-Bi 기반 합금 또는 합금이 Ag를 포함하는 경우에는 대응 Sn-Bi-Ag 기반 합금의 충격 에너지보다 적어도 5% 더 큰, 바람직하게는 적어도 10% 더 큰 충격 에너지를 나타내는,
합금.
- 제 1 항 내지 제 17 항 중 어느 한 항에 기재된 바와 같은 합금을 포함하는,
납땜된 조인트.
- 납땜 방법에서 제 1 항 내지 제 17 항 중 어느 한 항에 규정된 바와 같은 합금의 용도.
- 제 19 항에 있어서,
납땜 방법은 웨이브 납땜, 표면 장착 기술(SMT) 납땜, 다이 부착 납땜, 열적 계면 납땜, 핸드 솔더링, 레이저 및 RF 유도 납땜 및 재가공 납땜으로부터 선택되는,
합금의 용도.
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| PCT/GB2012/051874 WO2013017883A1 (en) | 2011-08-02 | 2012-08-02 | High impact toughness solder alloy |
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| KR1020197011220A Division KR20190043642A (ko) | 2011-08-02 | 2012-08-02 | 고 충격 인성 땜납 합금 |
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| EP (3) | EP3915718A1 (ko) |
| JP (1) | JP6072032B2 (ko) |
| KR (4) | KR20190043642A (ko) |
| CN (4) | CN109986235A (ko) |
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| MX (1) | MX2014001248A (ko) |
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| WO2008111615A1 (ja) * | 2007-03-12 | 2008-09-18 | Senju Metal Industry Co., Ltd. | 異方性導電材料 |
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| CN103406686A (zh) * | 2013-08-08 | 2013-11-27 | 江苏科技大学 | 一种含钴Sn-Bi系高强度无铅低温焊料 |
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