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    • 3. 发明申请
    • INTEGRATED CIRCUIT PACKAGE ASSEMBLIES INCLUDING A CHIP RECESS
    • 集成电路封装组件,包括芯片存储器
    • WO2018004930A1
    • 2018-01-04
    • PCT/US2017/035047
    • 2017-05-30
    • INTEL CORPORATION
    • SEIDEMANN, GeorgREINGRUBER, Klaus
    • H01L25/07H01L23/28H01L21/56H01L23/522
    • IC package assemblies including a molding compound in which an IC chip surface is recessed relative to the molding compound. Thickness of the IC chip may be reduced relative to its thickness during the molding process. Another IC chip, heat spreader, etc. may then occupy the resultant recess framed by the molding compound to achieve a fine stacking pitch. In some embodiments, a package-on-package (PoP) assembly includes a center-molded IC chip flip-chip-bonded to a first package substrate. A second substrate to which a second IC chip is flip-chip bonded is then electrically coupled to the first substrate by through-molding vias. Within the PoP assembly, the second IC chip may be disposed back-to-back with the center-molded IC chip so as to occupy the recess framed by the molding compound.
    • IC封装组件包括其中IC芯片表面相对于模制化合物凹陷的模塑料。 在模制过程中,IC芯片的厚度可以相对于其厚度减小。 然后,另一个IC芯片,散热器等可以占据由模制化合物框起的合成凹陷以实现精细的堆叠间距。 在一些实施例中,层叠封装(PoP)组件包括倒装芯片键合到第一封装衬底的中心模制IC芯片。 然后将第二IC芯片倒装芯片接合到的第二衬底通过贯通模制通孔电耦合到第一衬底。 在PoP组件内,第二IC芯片可以与中心模制的IC芯片背靠背地布置,以便占据由模塑料构成的凹陷。