KR100793970B1 - Zn을 이용하는 솔더링 구조물 및 솔더링 방법 - Google Patents
Zn을 이용하는 솔더링 구조물 및 솔더링 방법 Download PDFInfo
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- KR100793970B1 KR100793970B1 KR1020070024183A KR20070024183A KR100793970B1 KR 100793970 B1 KR100793970 B1 KR 100793970B1 KR 1020070024183 A KR1020070024183 A KR 1020070024183A KR 20070024183 A KR20070024183 A KR 20070024183A KR 100793970 B1 KR100793970 B1 KR 100793970B1
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- B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
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Abstract
Description
Claims (23)
- Zn을 내포한 결합층; 및,상기 결합층과 결합 반응하는 무연 솔더;를 포함하는 솔더링 구조물.
- 제1항에 있어서,상기 결합층은,Zn 합금층인 것을 특징으로 하는 솔더링 구조물.
- 제2항에 있어서,상기 Zn 합금층은,Cu, Ag, Au, Pd, Ni, Cr, Ti 로 이루어진 군 중에서 적어도 하나의 물질과 Zn의 합금으로 이루어지는 것을 특징으로 하는 솔더링 구조물.
- 제2항에 있어서,상기 결합층은,상기 Zn 합금층의 전체 웨이트(weight)를 기준으로 0.1 내지 30%의 Zn을 포함하는 것을 특징으로 하는 솔더링 구조물.
- 제2항에 있어서,상기 Zn 합금층의 두께는 0.5 ㎛ 내지 10 ㎛인 것을 특징으로 하는 솔더링 구조물.
- 제1항에 있어서,상기 결합층은,Zn 층을 포함하는 다중층으로 이루어지는 것을 특징으로 하는 솔더링 구조물.
- 제6항에 있어서,상기 결합층은,소정 물질로 이루어진 적어도 하나의 물질층 및 상기 Zn 층이 순차적으로 적층된 다중층 구조이며, 상기 Zn 층은 상기 다중층 중에서 상기 무연 솔더 측으로 최상위에 위치하는 것을 특징으로 하는 솔더링 구조물.
- 제6항에 있어서,상기 Zn 층의 두께는 1㎛ 이하인 것을 특징으로 하는 솔더링 구조물.
- 제1항 내지 제8항 중 어느 한 항에 있어서,상기 결합층을 지지하는 기판;을 더 포함하는 것을 특징으로 하는 솔더링 구조물.
- 제9항에 있어서,상기 기판과 상기 무연솔더를 절연시키는 절연층;을 더 포함하는 것을 특징으로 하는 솔더링 구조물.
- 제1항 내지 제8항 중 어느 한 항에 있어서,상기 무연 솔더는,SnAg, SnAgCu, SnCu, SnBi, SnIn, SnZn, SnZnIn 중 하나인 것을 특징으로 하는 솔더링 구조물.
- 기판 상에 Zn을 내포한 결합층을 형성하는 단계; 및,상기 결합층 상에 무연 솔더를 형성하는 단계;를 포함하는 솔더링 방법.
- 제12항에 있어서,상기 결합층을 형성하는 단계는,Zn 합금층을 상기 기판 상에 적층하여 상기 결합층을 형성하는 것을 특징으로 하는 솔더링 방법.
- 제13항에 있어서,상기 결합층을 형성하는 단계는,스퍼터링 방식, 에바포레이션 방식, 전해도금 방식, 무전해도금 방식 중 하나를 이용하여 상기 기판 상에 상기 Zn 합금층을 형성하는 것을 특징으로 하는 솔더링 방법.
- 제13항에 있어서,상기 Zn 합금층은,Cu, Ag, Au, Pd, Ni, Cr, Ti 로 이루어진 군 중에서 적어도 하나의 물질과 상기 Zn의 합금으로 이루어진 것임을 특징으로 하는 솔더링 방법.
- 제13항에 있어서,상기 결합층은,상기 Zn 합금층의 전체 웨이트(weight)를 기준으로 0.1 내지 30%의 Zn을 포함하는 것임을 특징으로 하는 솔더링 방법.
- 제13항에 있어서,상기 결합층을 형성하는 단계는,0.5 ㎛ 내지 10 ㎛ 두께의 Zn 합금층을 상기 기판 상에 적층하는 것을 특징으로 하는 솔더링 방법.
- 제12항에 있어서,상기 결합층을 형성하는 단계는,상기 기판 상에 소정 물질로 이루어진 적어도 하나의 물질층을 적층하고, 상기 물질층 상에 Zn으로 이루어진 Zn 층을 적층하여, 다중층 형태의 결합층을 형성하는 것을 특징으로 하는 솔더링 방법.
- 제18항에 있어서,상기 결합층을 형성하는 단계는,상기 Zn 층을 1㎛ 이하의 두께로 적층하는 것을 특징으로 하는 솔더링 방법.
- 제12항 내지 제19항 중 어느 한 항에 있어서,상기 무연 솔더를 형성하는 단계는,SnAg, SnAgCu, SnCu, SnBi, SnIn, SnZn, SnZnIn 중 하나를 상기 무연 솔더로 이용하는 것을 특징으로 하는 솔더링 방법.
- 제12항 내지 제19항 중 어느 한 항에 있어서,상기 결합층을 형성하는 단계는,상기 기판 상에 절연층을 적층하고 패터닝하는 단계;스퍼터링 방식, 에바포레이션 방식, 전해 도금 방식, 무전해 도금 방식 중 하나를 이용하여 상기 절연층 일부 및 상기 기판 상에 상기 결합층을 형성하는 단계;를 포함하는 것을 특징으로 하는 솔더링 방법.
- 제21항에 있어서,상기 무연 솔더를 형성하는 단계는,상기 결합층 상에서 솔더링 구조물을 제작할 위치를 제외한 영역에 포토레지스트를 적층하는 단계;상기 솔더링 구조물을 제작할 위치에 상기 무연 솔더를 적층하는 단계; 및,상기 포토레지스트 및 상기 절연층을 제거하고 리플로우 공정을 수행하여 상기 무연솔더 및 상기 결합층을 결합시키는 단계;를 포함하는 것을 특징으로 하는 솔더링 방법.
- 제12항 내지 제19항 중 어느 한 항에 있어서,상기 무연 솔더를 형성하는 단계는,상기 결합층 상에서 솔더링 구조물을 제작할 위치를 제외한 영역에 포토레지스트를 적층하는 단계;상기 솔더링 구조물을 제작할 위치에 상기 무연 솔더를 적층하는 단계; 및,상기 포토레지스트를 제거하고 리플로우 공정을 수행하여 상기 무연솔더 및 상기 결합층을 결합시키는 단계;를 포함하는 것을 특징으로 하는 솔더링 방법.
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US11/872,066 US8517249B2 (en) | 2007-03-12 | 2007-10-15 | Soldering structure and method using Zn |
EP07118896.5A EP1970151B1 (en) | 2007-03-12 | 2007-10-19 | Soldering structure and method using zinc |
JP2007275596A JP2008221333A (ja) | 2007-03-12 | 2007-10-23 | Znを用いた半田付け構造物および方法 |
CN2008100837843A CN101266960B (zh) | 2007-03-12 | 2008-03-12 | 使用锌的软焊接结构及方法 |
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