KR100800473B1 - 재배선 칩 패드를 갖는 적층 칩 및 이를 이용한 적층 칩패키지 - Google Patents
재배선 칩 패드를 갖는 적층 칩 및 이를 이용한 적층 칩패키지 Download PDFInfo
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- KR100800473B1 KR100800473B1 KR1020060060664A KR20060060664A KR100800473B1 KR 100800473 B1 KR100800473 B1 KR 100800473B1 KR 1020060060664 A KR1020060060664 A KR 1020060060664A KR 20060060664 A KR20060060664 A KR 20060060664A KR 100800473 B1 KR100800473 B1 KR 100800473B1
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Abstract
Description
Claims (20)
- 제1 칩과 상기 제1 칩 상에 적층된 제2 칩을 구비하는 적층 칩에 있어서,상기 제1 칩 및 제2 칩의 각각은 회로 부분이 형성되는 활성면과 상기 활성면과 반대의 비활성면을 갖는 기판과, 상기 활성면 내에 형성된 내부 회로와, 상기 활성면 내에 형성되고 상기 내부 회로와 입출력 버퍼를 매개로 연결된 입출력용 칩 패드와, 상기 입출력용 칩 패드와 상기 입출력용 버퍼를 경유하여 회로 배선으로 연결된 입출력용 접속 패드를 포함하며,상기 제1 칩은 상기 활성면 내에서 상기 입출력용 칩 패드를 재배선하여 형성된 입출력용 재배선 칩 패드층을 포함하며, 상기 제1 칩의 입출력용 접속 패드는 상기 제2 칩의 입출력용 접속 패드와 전기적으로 연결되는 것을 특징으로 하는 적층 칩.
- 제1항에 있어서, 상기 입출력용 칩 패드는 상기 기판의 중심 부분에 형성되어 있고, 상기 재배선 칩 패드층은 상기 기판의 에지 영역이나 스크라이브 영역으로 재배선된 재배선 칩 패드를 포함하는 것을 특징으로 하는 적층 칩.
- 제2항에 있어서, 상기 입출력용 재배선 칩 패드 아래의 기판 내에는 관통 전극이 형성되어 있는 것을 특징으로 하는 적층 칩.
- 제1항에 있어서, 상기 제1 칩 및 제2 칩은 상기 활성면이 서로 마주 보게 적층되어 있는 것을 특징으로 하는 적층 칩.
- 제4항에 있어서, 상기 입출력용 칩 패드는 상기 기판의 중심 부분에 일 열로 형성되고, 상기 입출력용 접속 패드는 상기 입출력용 칩 패드와 이격되어 형성될 경우 상기 제1 칩 및 제2 칩은 상기 기판의 중심에서 비겨진 오프셋 형태로 적층되어 있는 것을 특징으로 하는 적층 칩.
- 제4항에 있어서, 상기 입출력용 칩 패드는 상기 기판의 중심 부분에서 적층시 오프셋만큼 이격되어 일 열로 형성되고, 상기 입출력용 접속 패드는 상기 기판의 중심 부분에 형성될 경우 상기 제1 칩 및 제2 칩은 상기 기판의 중심에서 오프셋 없이 적층되어 있는 것을 특징으로 하는 적층 칩.
- 제4항에 있어서, 상기 입출력용 칩 패드는 상기 기판의 중심 부분에 일 열로 형성된 복수개로 형성되고, 상기 제1 칩 및 제2 칩을 적층하면 상기 입출력용 접속 패드는 입출력용 칩 패드들 사이에 형성되어 있는 것을 특징으로 하는 적층 칩.
- 제4항에 있어서, 상기 입출력용 칩 패드는 상기 기판의 중심 부분에 두 열로 형성된 복수개로 구성되고, 상기 입출력용 접속 패드는 상기 입출력용 칩 패드들의 두 열 사이에 형성되어 있는 것을 특징으로 하는 적층 칩.
- 제1항에 있어서, 상기 제1 칩의 입출력용 칩 패드와 이격되어 테스트 패드가 형성되어 있고, 상기 테스트 패드 아래의 기판 내에는 관통 전극이 형성되어 있는 것을 특징으로 하는 적층 칩.
- 제1항에 있어서, 상기 제1 칩은 상기 비활성면이 위로 향하게 하고, 상기 제2 칩은 활성면이 아래로 향하게 하여 적층되어 있는 것을 특징으로 하는 적층 칩.
- 제10항에 있어서, 상기 제1 칩의 입출력용 접속 패드 아래의 기판에는 상기 제2 칩의 입출력용 접속 패드와 연결되는 관통 전극이 형성되어 있는 것을 특징으로 하는 적층 칩.
- 제1 칩과 상기 제1 칩 상에 적층된 제2 칩을 구비하는 적층 칩에 있어서,상기 제1 칩 및 제2 칩의 각각은 회로 부분이 형성되는 활성면과 상기 활성면과 반대의 비활성면을 갖는 기판과, 상기 활성면 내에 형성된 내부 회로와, 상기 활성면 내에 형성되고 상기 내부 회로와 입출력 버퍼를 매개로 연결된 입출력용 칩 패드 및 상기 내부 회로의 전원접지배선에 연결된 전원접지용 칩 패드와, 상기 입출력용 칩 패드와 상기 입출력 버퍼를 경유하여 연결된 입출력용 접속 패드 및 상기 전원접지용 칩 패드와 연결된 전원접지용 접속 패드를 포함하며,상기 제1 칩은 상기 입출력용 칩 패드를 재배선하여 형성된 입출력용 재배선 칩 패드층과, 상기 전원접지용 칩 패드를 재배선하여 형성된 전원접지용 재배선 칩 패드층을 포함하며,상기 제1 칩의 입출력용 접속 패드는 상기 제2 칩의 입출력용 접속 패드와 전기적으로 연결되고, 상기 제1 칩의 전원접지용 접속 패드는 상기 제2 칩의 전원접지용 접속 패드와 전기적으로 연결되는 것을 특징으로 하는 적층 칩.
- 제12항에 있어서, 상기 전원접지용 재배선 칩 패드층은 상기 내부 회로의 전원접지배선 뿐만 아니라 상기 전원접지용 접속 패드와 연결되어 있는 것을 특징으로 하는 적층 칩.
- 제12항에 있어서, 상기 전원접지용 접속 패드는 상기 기판의 중심 부분에 형성되어 있고, 상기 전원접지용 재배선 칩 패드층은 상기 기판의 에지 영역이나 스크라이브 영역에 재배선된 전원접지용 재배선 칩 패드를 포함하는 것을 특징으로 하는 적층 칩.
- 제12항에 있어서, 상기 입출력용 접속 패드는 상기 기판의 중심 부분에 형성되어 있고, 상기 입출력용 재배선 칩 패드층은 상기 기판의 에지 영역이나 스크라이브 영역에 재배선된 입출력용 재배선 칩 패드를 포함하는 것을 특징으로 하는 적층 칩.
- 제1 칩과 상기 제1 칩 상에 적층된 제2 칩을 구비하는 적층 칩 패키지에 있어서,상기 제1 칩 및 제2 칩의 각각은 회로 부분이 형성되는 활성면과 상기 활성면과 반대의 비활성면을 갖는 기판과, 상기 활성면 내에 형성된 내부 회로와, 상기 활성면 내에 형성되고 상기 내부 회로와 입출력 버퍼를 매개로 연결된 입출력용 칩 패드와, 상기 입출력용 칩 패드와 상기 입출력 버퍼를 경유하여 회로 배선으로 연결된 입출력용 접속 패드를 포함하며,상기 제1 칩은 상기 활성면 내에서 상기 입출력용 칩 패드를 재배선하여 형성된 입출력용 재배선 칩 패드층을 포함하며, 상기 제1 칩의 입출력용 접속 패드는 상기 제2 칩의 입출력용 접속 패드와 전기적으로 연결되고, 상기 제1 칩의 상기 입출력용 재배선 칩 패드층은 외부 소자와 연결될 수 있는 외부 접속 단자를 포함하여 이루어지는 것을 특징으로 하는 적층 칩 패키지.
- 제16항에 있어서, 상기 입출력용 재배선 칩 패드층은 와이어 본딩에 의하여 배선기판과 연결되고, 상기 입출력용 재배선 칩 패드층은 상기 배선 기판의 내부 배선을 통하여 상기 외부 접속 단자와 연결되어 있는 것을 특징으로 하는 적층 칩 패키지.
- 제16항에 있어서, 상기 제1 칩의 에지 영역이나 스크라이브 영역의 입출력용 재배선 칩 패드층 아래에 관통 전극이 형성되고, 상기 입출력용 재배선 칩 패드층 은 상기 관통 전극을 통하여 상기 외부 접속 단자와 연결되어 있는 것을 특징으로 하는 적층 칩 패키지.
- 제16항에 있어서, 상기 제1 칩의 활성면 내에는 상기 입출력용 칩 패드와 이격된 테스트 패드가 형성되어 있고, 상기 테스트 패드 아래의 상기 기판에는 상기 외부 접속 단자와 연결되는 관통 전극이 형성되어 있는 것을 특징으로 하는 적층 칩 패키지.
- 제16항에 있어서, 상기 제1 칩은 상기 비활성면이 위로 향하게 하고, 상기 제2 칩은 상기 활성면이 아래로 향하게 하여 적층하고, 상기 제1 칩의 입출력용 접속 패드 아래의 기판에는 관통 전극이 형성되어 있는 것을 특징으로 하는 적층 칩 패키지.
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US20080001276A1 (en) | 2008-01-03 |
KR20080002073A (ko) | 2008-01-04 |
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