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    • 38. 发明公开
    • STACKED MICROELECTRONIC ASSEMBLY HAVING INTERPOSER CONNECTING ACTIVE CHIPS
    • GESTAPELTE MIKROELEKTRONISCHE ANORDNUNG MITZWISCHENSTÜCKENZUR VERBINDUNG VON AKTIVEN CHIPS
    • EP2647046A1
    • 2013-10-09
    • EP11799219.8
    • 2011-12-02
    • Tessera, Inc.
    • HABA, BelgacemOGANESIAN, VageMOHAMMED, IlyasSAVALIA, PiyushMITCHELL, Craig
    • H01L25/065H01L23/48H01L25/16
    • A microelectronic assembly can include first and second microelectronic elements each embodying active semiconductor devices adjacent a front surface thereof, and having an electrically conductive pad exposed at the respective front surface. An interposer of material having a CTE less than 10 ppm/° C. has first and second surfaces attached to the front surfaces of the respective first and second microelectronic elements, the interposer having a second conductive element extending within an opening in the interposer. First and second conductive elements extend within openings extending from the rear surface of a respective microelectronic element of the first and second microelectronic elements towards the front surface of the respective microelectronic element. In one example, one or more of the first or second conductive elements extends through the respective first or second pad, and the conductive elements contact the exposed portions of the second conductive element to provide electrical connection therewith.
    • 微电子组件可以包括第一和第二微电子元件,每个微电子元件各自体现邻近其前表面的有源半导体器件,并且具有在相应的前表面处暴露的导电焊盘。 具有小于10ppm /℃的CTE的材料的插入件具有附接到相应的第一和第二微电子元件的前表面的第一和第二表面,所述插入件具有在插入件的开口内延伸的第二导电元件。 第一和第二导电元件在从第一和第二微电子元件的相应微电子元件的后表面延伸到相应微电子元件的前表面的开口内延伸。 在一个示例中,第一或第二导电元件中的一个或多个延伸穿过相应的第一或第二焊盘,并且导电元件接触第二导电元件的暴露部分以提供与其的电连接。