KR102759370B1 - 반도체 패키지 및 그의 제조 방법 - Google Patents
반도체 패키지 및 그의 제조 방법 Download PDFInfo
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- KR102759370B1 KR102759370B1 KR1020200001579A KR20200001579A KR102759370B1 KR 102759370 B1 KR102759370 B1 KR 102759370B1 KR 1020200001579 A KR1020200001579 A KR 1020200001579A KR 20200001579 A KR20200001579 A KR 20200001579A KR 102759370 B1 KR102759370 B1 KR 102759370B1
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Abstract
Description
도 2는 본 발명의 일 실시예에서 이웃하는 두 언더필 필렛들이 접촉하는 모습을 나타낸 부분 측단면도이다.
도 3a는 본 발명의 다른 실시예에 따른 반도체 패키지의 측단면도이고, 도 3b는 도 3a의 반도체 패키지를 측면에서 바라본 측면도이다.
도 4는 본 발명의 일 실시예에 따른 반도체 패키지의 제조 방법을 나타낸 흐름도이다.
도 5a 내지 도 5g는 본 발명의 일 실시예에 따른 상기 반도체 패키지의 제조 방법을 나타낸 측단면도들이다.
도 6은 제 1 비전도성 필름이 제 1 언더필 필렛으로 전환되었을 때 인접하는 반도체 장치들 및 언더필 필렛들 사이의 관계를 나타낸 측단면도이다.
도 7a 내지 도 7d는 이와 같이 이웃하는 복수의 제 1 반도체 장치들의 하부에서 제 1 비전도성 필름들이 점차로 유동화되어 서로 접촉하게 되는 과정을 나타낸 부분 평면도들이다.
도 8은 반도체 패키지의 휨 특성의 조정을 나타낸 개략도이다.
도 9는 본 발명의 일 실시예에 따른 반도체 패키지를 나타낸 측단면도이다.
도 10은 본 발명의 다른 실시예에 따른 반도체 패키지를 나타낸 측단면도이다.
Claims (20)
- 기판;
상기 기판 위에 적층된 복수의 반도체 장치들;
상기 복수의 반도체 장치들 사이 및 상기 기판과 상기 복수의 반도체 장치들 사이의 언더필 필렛들; 및
상기 복수의 반도체 장치들을 둘러싸는 하나의 몰딩 수지;
를 포함하고,
상기 언더필 필렛들 중 적어도 하나는 상기 하나의 몰딩 수지의 측면으로 노출된 반도체 패키지. - 제 1 항에 있어서,
상기 언더필 필렛들은 상기 기판과 상기 복수의 반도체 장치들 사이의 제 1 언더필 필렛을 포함하고,
상기 제 1 언더필 필렛이 상기 몰딩 수지의 측면으로 노출된 것을 특징으로 하는 반도체 패키지. - 제 2 항에 있어서,
상기 반도체 장치들의 측면과 상기 몰딩 수지의 측면 사이의 거리가 500 마이크로미터(㎛) 이하인 것을 특징으로 하는 반도체 패키지. - 제 2 항에 있어서,
상기 복수의 반도체 장치는 상기 제 1 언더필 필렛 위에 순차적으로 적층된 제 1 반도체 장치, 제 2 반도체 장치, 제 3 반도체 장치, 및 제 4 반도체 장치를 포함하고,
상기 언더필 필렛들은 상기 제 1 반도체 장치와 상기 제 2 반도체 장치 사이의 제 2 언더필 필렛, 상기 제 2 반도체 장치와 상기 제 3 반도체 장치 사이의 제 3 언더필 필렛, 및 상기 제 3 반도체 장치와 상기 제 4 반도체 장치 사이의 제 4 언더필 필렛을 더 포함하고,
상기 제 2 언더필 필렛, 상기 제 3 언더필 필렛, 및 상기 제 4 언더필 필렛 중 적어도 하나는 상기 몰딩 수지의 측면으로 노출되지 않는 것을 특징으로 하는 반도체 패키지. - 제 4 항에 있어서,
상기 제 1 언더필 필렛 내지 상기 제 4 언더필 필렛은 각각 무기 입자들을 포함하고, 이들 중 적어도 둘은 무기 입자들의 함량이 상이한 것을 특징으로 하는 반도체 패키지. - 제 4 항에 있어서,
상기 제 1 언더필 필렛 내지 상기 제 4 언더필 필렛은 각각 상기 복수의 반도체 장치들의 측면으로부터 외측으로 돌출된 것을 특징으로 하는 반도체 패키지. - 제 6 항에 있어서,
상기 제 2 언더필 필렛 내지 제 4 언더필 필렛 중의 적어도 하나가 상기 몰딩 수지의 측면으로 노출된 것을 특징으로 하는 반도체 패키지. - 제 2 항에 있어서,
상기 제 1 언더필 필렛은 상기 몰딩 수지의 측면의 노출된 부분에서 상기 기판의 상부 표면과 접촉하는 것을 특징으로 하는 반도체 패키지. - 제 8 항에 있어서,
상기 기판의 코너 부분에서 상기 기판은 상기 몰딩 수지와 접촉하는 것을 특징으로 하는 반도체 패키지. - 패키지 기판;
상기 패키지 기판 상에 적층된 인터포저 기판;
상기 인터포저 기판 상에 측방향으로 배열된 제 1 서브 패키지 및 제 2 서브 패키지; 및
상기 제 1 서브 패키지 및 상기 제 2 서브 패키지의 측면을 둘러싸는 제 1 몰딩 수지;
를 포함하고,
상기 제 1 서브 패키지는:
제 1 서브 패키지 기판;
상기 제 1 서브 패키지 기판 상에 적층된 복수의 메모리 장치들; 및
상기 복수의 메모리 장치들 사이 및 상기 제 1 서브 패키지 기판과 상기 복수의 메모리 장치들 사이의 언더필 필렛들;
을 포함하고,
상기 언더필 필렛들 중 적어도 하나는 상기 복수의 메모리 장치들의 측면으로부터 측방향으로 200 ㎛ 내지 500 ㎛ 돌출되는 것을 특징으로 하는 반도체 패키지. - 제 10 항에 있어서,
상기 제 1 서브 패키지는 상기 복수의 메모리 장치들을 둘러싸는 제 2 몰딩 수지를 더 포함하고,
상기 언더필 필렛들 중 적어도 하나는 상기 제 1 몰딩 수지와 상기 제 2 몰딩 수지 사이의 계면까지 연장되는 것을 특징으로 하는 반도체 패키지. - 제 11 항에 있어서,
상기 복수의 메모리 장치는 상기 제 1 서브 패키지 기판 위에 순차적으로 적층된 제 1 메모리 장치, 제 2 메모리 장치, 제 3 메모리 장치, 및 제 4 메모리 장치를 포함하고,
상기 언더필 필렛들은 상기 제 1 서브 패키지 기판과 상기 제 1 메모리 장치 사이에 제공되는 제 1 언더필 필렛, 상기 제 1 메모리 장치와 상기 제 2 메모리 장치 사이의 제 2 언더필 필렛, 상기 제 2 메모리 장치와 상기 제 3 메모리 장치 사이의 제 3 언더필 필렛, 및 상기 제 3 메모리 장치와 상기 제 4 메모리 장치 사이의 제 4 언더필 필렛을 포함하는 것을 특징으로 하는 반도체 패키지. - 제 12 항에 있어서,
상기 언더필 필렛들 중 상기 제 1 언더필 필렛이 측방향으로 가장 많이 돌출된 것을 특징으로 하는 반도체 패키지. - 제 12 항에 있어서,
상기 언더필 필렛들은 상기 복수의 메모리 장치들의 측면으로부터 상기 제 2 몰딩 수지의 측면을 향하여 돌출된 것을 특징으로 하는 반도체 패키지. - 제 12 항에 있어서,
상기 언더필 필렛들은 실리카, 알루미나, 지르코니아, 티타니아, 세리아, 마그네시아, 실리콘 카바이드, 및 질화 알루미늄으로 구성된 군으로부터 선택된 1종 이상의 무기 입자를 포함하는 것을 특징으로 하는 반도체 패키지. - 제 15 항에 있어서,
상기 제 1 언더필 필렛 내지 상기 제 4 언더필 필렛 중 적어도 둘은 상기 무기 입자의 조성이 상이한 것을 특징으로 하는 반도체 패키지. - 제 12 항에 있어서,
상기 제 1 언더필 필렛 내지 상기 제 4 언더필 필렛 중 적어도 두 언더필 필렛들은 계면을 사이에 두고 서로 접촉하는 것을 특징으로 하는 반도체 패키지. - 제 17 항에 있어서,
상기 계면에서 상기 두 언더필 필렛들은 상기 계면에서 소정 각도를 이루면서 서로 접촉하는 것을 특징으로 하는 반도체 패키지. - 제 11 항에 있어서,
상기 제 1 몰딩 수지와 상기 제 2 몰딩 수지 사이의 계면까지 연장되는 상기 언더필 필렛들 중 상기 적어도 하나의 측면은 상기 제 1 서브 패키지 기판의 측면과 실질적으로 동일 평면 상에 있는 것을 특징으로 하는 반도체 패키지. - 패키지 기판;
상기 패키지 기판 위에 적층된 복수의 반도체 장치들;
상기 복수의 반도체 장치들 사이 및 상기 패키지 기판과 상기 복수의 반도체 장치들 사이의 언더필 필렛들; 및
상기 복수의 반도체 장치들을 둘러싸는 몰딩 수지;
를 포함하고,
상기 언더필 필렛들의 각각은 상기 복수의 반도체 장치들의 측면의 외측으로 돌출되고,
상기 언더필 필렛들 중 적어도 하나는 상기 몰딩 수지의 측면으로 노출되고, 상기 언더필 필렛들 중 상기 몰딩 수지의 측면으로 노출된 언더필 필렛의 측면은 상기 몰딩 수지의 측면과 실질적으로 동일 평면 상에 위치하고,
상기 복수의 반도체 장치들의 측면과 상기 몰딩 수지의 측면 사이의 거리가 500 마이크로미터(㎛) 이하인 반도체 패키지.
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