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    • 1. 发明申请
    • Chip for Reliable Stacking on another Chip
    • 芯片可靠堆叠在另一个芯片上
    • US20110062586A1
    • 2011-03-17
    • US12814458
    • 2010-06-13
    • Leo LuKuei-Wu ChuJimmy Liang
    • Leo LuKuei-Wu ChuJimmy Liang
    • H01L23/538
    • H01L23/481H01L21/76898H01L24/13H01L24/16H01L2224/16H01L2924/01079H01L2924/14H01L2924/00
    • A chip includes a device, a passivation layer, two dielectric layers, at least one upper redistribution layer, at least one lower redistribution layer, at least one tunnel, at least one conductor, a redistribution passivation layer and at least one solder ball. The device includes at least one pad. The tunnel is defined in the upper redistribution layer, the first dielectric layer, the passivation layer, the pad, the device, the chip, the second dielectric layer and the lower redistribution layer. The conductor is located in the tunnel and connected to the upper and lower redistribution layers. The redistribution passivation layer is located on the second dielectric layer, the lower redistribution layer and the conductor. The solder ball is located on a portion of the lower redistribution layer through an aperture defined in the redistribution passivation layer. The chip can be connected to a printed circuit board by the solder ball.
    • 芯片包括器件,钝化层,两个电介质层,至少一个上再分配层,至少一个下再分配层,至少一个隧道,至少一个导体,再分布钝化层和至少一个焊球。 该装置包括至少一个垫。 隧道定义在上再分配层,第一介电层,钝化层,焊盘,器件,芯片,第二介电层和下再分布层中。 导体位于隧道内并与上,下重分布层连接。 再分布钝化层位于第二介电层,下再分布层和导体上。 焊球通过限定在再分布钝化层中的孔位于下再分布层的一部分上。 芯片可以通过焊球连接到印刷电路板。