KR20200050406A - 반도체 패키지 및 반도체 패키지의 제조 방법 - Google Patents
반도체 패키지 및 반도체 패키지의 제조 방법 Download PDFInfo
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- KR20200050406A KR20200050406A KR1020190136314A KR20190136314A KR20200050406A KR 20200050406 A KR20200050406 A KR 20200050406A KR 1020190136314 A KR1020190136314 A KR 1020190136314A KR 20190136314 A KR20190136314 A KR 20190136314A KR 20200050406 A KR20200050406 A KR 20200050406A
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- major surface
- power electrode
- insulating plate
- solder
- peripheral rim
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Abstract
Description
도 1은 일 실시예에 따른 반도체 패키지의 단면도, 저면도 및 평면도를 도시하는 도 1(a) 내지 도 1(c)를 포함한다.
도 2는 일 실시예에 따른 반도체 패키지의 단면도를 도시한다.
도 3(a) 및 도 3(b)를 포함하는 도 3은 반도체 패키지의 제조 방법을 도시한다.
도 4는 반도체 패키지를 제조하는 방법의 흐름도를 도시한다.
도 5는 일 실시예에 따른 반도체 패키지의 단면도를 도시한다.
도 6은 일 실시예에 따른 반도체 패키지의 단면도를 도시한다.
도 7은 일 실시예에 따른 반도체 패키지의 단면도를 도시한다.
도 8(a)는 복수의 반도체 패키지를 제조하기 위한 패널을 도시한다.
도 8(b)는 복수의 반도체 패키지를 제조하기 위한 복수의 캔(can)을 포함하는 리드 프레임을 도시한다.
도 9(a) 및 도 9(b)를 포함하는 도 9는 반도체 패키지의 제조 방법을 도시한다.
도 10은 반도체 패키지를 제조하는 방법의 흐름도를 도시한다.
Claims (15)
- 반도체 패키지로서,
복수의 납땜 가능 접촉 패드를 포함하는 패키지 풋 프린트와,
제 1 표면상에 제 1 전력 전극 및 제어 전극을 포함하고, 상기 제 1 표면과 대향하는 제 2 표면상에 제 2 전력 전극을 포함하는 반도체 소자와,
제 1 주표면 및 제 2 주표면을 구비하는 절연판을 포함하는 재배선 기판 - 상기 제 1 전력 전극 및 상기 제어 전극은, 상기 절연판의 상기 제 1 주표면상에 장착되고, 상기 패키지 풋 프린트의 상기 납땜 가능 접촉 패드는, 상기 절연판의 상기 제 2 주표면상에 배치됨 - 과,
웹 부분 및 하나 이상의 주변 림 부분을 포함하는 접촉 클립 - 상기 웹 부분은, 상기 제 2 전력 전극상에 전기적으로 연결되도록 장착되고, 상기 주변 림 부분은 상기 절연판의 상기 제 1 주표면상에 장착됨 -
을 포함하는 반도체 패키지. - 제 1 항에 있어서,
상기 접촉 클립은, 상기 웹 부분의 대향면으로부터 연장되는 2개의 주변 림 부분을 포함하는,
반도체 패키지. - 제 1 항 또는 제 2 항에 있어서,
상기 재배선 기판은, 상기 제 1 주표면으로부터 상기 제 2 주표면으로 연장되고, 상기 제 1 주표면상의 전도성 패드를 상기 제 2 주표면상의 상기 복수의 납땜 가능 접촉 패드 중 적어도 하나와 전기적으로 결합시키는 적어도 하나의 전도성 비아(conductive via)를 더 포함하는,
반도체 패키지. - 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,
상기 제 1 전력 전극은, 상기 절연판의 상기 제 1 주표면상의 제 1 전도성 패드에 전기적으로 결합되도록 장착되고/장착되거나,
상기 제어 전극은, 상기 절연판의 상기 제 1 주표면상의 제 2 전도성 패드에 전기적으로 결합되도록 장착되고/장착되거나,
상기 접촉 클립의 상기 주변 림 부분은, 상기 절연판의 상기 제 1 주표면상의 제 3 전도성 패드에 전기적으로 결합되도록 장착되는,
반도체 패키지. - 제 4 항에 있어서,
상기 제 1 전력 전극은, 땜납에 의해 상기 절연판의 상기 제 1 주표면상의 상기 제 1 전도성 패드에 전기적으로 결합되도록 장착되고/장착되거나,
상기 제어 전극은, 땜납에 의해 상기 절연판의 상기 제 1 주표면상의 상기 제 2 전도성 패드에 전기적으로 결합되도록 장착되고/장착되거나,
상기 접촉 클립의 상기 주변 림 부분은, 땜납에 의해 상기 절연판의 상기 제 1 주표면상의 상기 제 3 전도성 패드에 전기적으로 결합되도록 장착되며,
상기 땜납의 융점은 230℃ 초과 또는 260℃ 이상인,
반도체 패키지. - 제 1 항 내지 제 5 항 중 어느 한 항에 있어서,
상기 절연판은, 상기 제 1 주표면으로부터 상기 제 2 주표면으로 연장되는 개구를 포함하고,
상기 제 1 전력 전극 또는 상기 제어 전극 또는 상기 접촉 클립의 상기 주변 림 부분은, 상기 개구의 베이스를 형성하는,
반도체 패키지. - 제 6 항에 있어서,
상기 제 1 전력 전극 또는 상기 제어 전극 또는 상기 주변 림 부분상에 위치되고 상기 개구의 적어도 측면상에 위치되는 땜납을 더 포함하고,
상기 땜납은, 상기 제 1 전력 전극 또는 상기 제어 전극 또는 상기 주변 림 부분을 상기 절연판의 제 2 주표면상의 땜납 가능 접촉 패드에 전기적으로 연결하는,
반도체 패키지. - 제 6 항 또는 제 7 항에 있어서,
상기 제 1 전력 전극 및 상기 제어 전극 및 상기 주변 림 부분은, 절연 접착제에 의해 상기 절연판의 상기 제 1 주표면으로부터 전기적으로 절연되도록 장착되는,
반도체 패키지. - 제 1 항 내지 제 8 항 중 어느 한 항에 있어서,
상기 접촉 클립에 의해 상기 반도체 소자와 전기적으로 결합되어 회로를 형성하는 추가 반도체 소자를 더 포함하는,
반도체 패키지. - 제 9 항에 있어서,
상기 추가 반도체 소자는, 상기 반도체 소자와 하프 브리지 구성(half bridge configuration)으로 연결되는 환류 다이오드(freewheeling diode)나 트랜지스터를 포함하는,
반도체 패키지. - 반도체 패키지의 제조 방법으로서,
재배선 기판상에 반도체 소자를 배치하는 단계 - 상기 반도체 소자는, 제 1 표면상에 제 1 전력 전극 및 제어 전극을 구비하고 상기 제 1 표면에 대향하는 제 2 표면상에 제 2 전력 전극을 구비하며, 상기 재배선 기판은, 패키지 풋 프린트를 형성하는 납땜 가능 접촉 패드를 구비하는 제 1 주표면 및 제 2 주표면이 마련된 절연판을 포함하여, 상기 제 1 전력 전극이 제 1 전도성 패드상에 배치되고, 상기 제어 전극이 상기 절연판의 상기 제 1 주표면상의 제 2 전도성 패드상에 배치됨 - 와,
웹 부분이 상기 제 2 전력 전극상에 배치되고 하나 이상의 주변 림 부분이 상기 절연판의 상기 제 1 주표면상의 제 3 전도성 패드상에 배치되도록 상기 웹 부분 및 상기 하나 이상의 주변 림 부분을 포함하는 접촉 클립을 상기 반도체 소자상에 배치하는 단계와,
상기 제 1 전력 전극, 상기 제어 전극 및 상기 주변 림 부분을 상기 재배선 기판의 상기 제 1 주표면상의 상기 전도성 패드에 전기적으로 결합시키고, 상기 웹 부분을 상기 제 2 전력 전극에 전기적으로 결합시키는 단계
를 포함하는 반도체 패키지의 제조 방법. - 제 11 항에 있어서,
상기 제 1 전도성 패드, 상기 제 2 전도성 패드 및 상기 제 3 전도성 패드에 땜납을 적용하는 단계와,
상기 제 1 전도성 패드상에 위치된 상기 땜납상에 상기 제 1 전력 전극을 배치하고, 상기 제 2 도전 패드상에 위치된 상기 땜납상에 상기 제어 전극을 배치하는 단계와,
상기 제 2 전력 전극에 땜납을 적용하는 단계와,
상기 접촉 클립의 상기 웹 부분을 상기 제 2 전력 전극상에 위치된 상기 땜납에 적용하고 상기 접촉 클립의 상기 주변 림 부분을 상기 제 3 전도성 패드상에 위치된 땜납에 적용하여 어셈블리를 형성하는 단계와,
상기 어셈블리를 상기 땜납의 융점 이상으로 가열하고, 상기 재배선 기판의 상기 제 1 주표면상의 상기 제 1, 제 2 및 제 3 전도성 패드에 상기 제 1 전력 전극, 상기 제어 전극 및 상기 주변 림 부분을 전기적으로 결합시키고, 상기 접촉 클립의 상기 웹 부분을 상기 제 2 전력 전극에 전기적으로 결합시키는 단계를 더 포함하는,
반도체 패키지의 제조 방법. - 제 11 항 또는 제 12 항에 있어서,
상기 어셈블리를 가열하는 것이, 상기 제 1 전력 전극을 상기 제 1 납땜 가능 접촉 패드에, 상기 제어 전극을 상기 제 2 납땜 가능 접촉 패드에, 또한 상기 제 2 전력 전극을 상기 제 3 납땜 가능 접촉 패드에 전기적으로 결합시키도록, 상기 제 1, 제 2 및 제 3 전도성 패드가, 각각, 전도성 비아에 의해 상기 절연판의 상기 제 2 주표면상의 제 1, 제 2 및 제 3 납땜 가능 접촉 패드에 전기적으로 결합되는,
반도체 패키지의 제조 방법. - 제 11 항에 있어서,
상기 재배선 기판은, 상기 제 1 주표면으로부터 상기 제 2 주표면으로 연장되는 개구를 포함하고,
상기 방법은,
상기 제 1 전력 전극 또는 상기 제어 전극 또는 상기 접촉 클립의 상기 주변 림 부분을 상기 제 1 주표면상에 배치시켜서 상기 제 1 전력 전극 또는 상기 제어 전극 또는 상기 주변 림 부분이 상기 개구의 베이스를 형성하는 단계와,
땜납이 상기 제 1 전력 전극 또는 상기 제어 전극 또는 상기 주변 림 부분상에, 상기 개구의 적어도 측면상에, 그리고 상기 재배선 기판의 상기 제 2 주표면상의 상기 납땜 가능 접촉 패드상에 위치되도록 상기 개구 내로 상기 땜납을 삽입하는 단계와,
상기 땜납을 용융시켜서 상기 제 1 전력 전극 또는 상기 제어 전극 또는 상기 주변 림 부분을 상기 납땜 가능 접촉 패드에 전기적으로 결합시키는 단계를 더 포함하는,
반도체 패키지의 제조 방법. - 제 11 항 또는 제 14 항에 있어서,
상기 제 1 전력 전극 및 상기 제어 전극을 절연 접착제에 의해 상기 절연판의 상기 제 1 주표면상에 장착하는 단계를 더 포함하는,
반도체 소자의 제조 방법.
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