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    • 5. 发明申请
    • Semiconductor device and its manufacturing method
    • 半导体器件及其制造方法
    • US20050077608A1
    • 2005-04-14
    • US10885573
    • 2004-07-08
    • Yutaka KagayaKeiyo KusanagiKoya KikuchiAkihiko Hatasawa
    • Yutaka KagayaKeiyo KusanagiKoya KikuchiAkihiko Hatasawa
    • H01L25/18H01L23/31H01L23/495H01L23/538H01L25/10H01L25/11H01L21/48H01L29/40
    • H01L23/3128H01L23/49572H01L23/5382H01L24/50H01L25/105H01L2225/1023H01L2225/1058H01L2924/12042H01L2924/15311H01L2924/15331H01L2924/3511H01L2924/00
    • Using in common a substrate for performing a stack and assembly of semiconductor chips, and coping with increase of the number of signals. In a semiconductor device in which a plurality of substrates each mounting a semiconductor chip are stacked, one ends of leads formed on the substrates are connected to the semiconductor chip and the other ends thereof are connected to connection terminals of the substrates, and at least one of the leads are branched into two or more in the vicinity of the connection terminals, and one ends of the branched leads are connected to the connection terminals. A manufacturing method thereof comprises of the steps of: performing a BGA assembly in which a semiconductor chip is mounted on a substrate; sorting good products in a state of mounting the semiconductor chip on the substrate; maintaining conduction between a predetermined lead and the branched leads in the sorted good products and then singulating the substrates for each layer; and stacking and assembling the singulated substrates in predetermined order. According to this structure, since the substrate having the same lead pattern can be used in common and a sufficient space is provided in the substrate, a large number of signals can be switched.
    • 通常使用用于执行半导体芯片的堆叠和组装的衬底,并且应对信号数量的增加。 在其中堆叠安装半导体芯片的多个基板的半导体器件中,形成在基板上的引线的一端连接到半导体芯片,并且其另一端连接到基板的连接端子,并且至少一个 的引线在连接端子附近分支为两个或更多个,并且分支导线的一端连接到连接端子。 其制造方法包括以下步骤:执行将半导体芯片安装在基板上的BGA组件; 在将半导体芯片安装在基板上的状态下分选好的产品; 保持预定的引线与分选好的产品中的分支引线之间的导通,然后对每一层分离基片; 并以预定顺序堆叠并组装单个基板。 根据该结构,由于可以共同使用具有相同引线图案的基板,并且在基板中设置足够的空间,因此可以切换大量的信号。