Importance

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Abstract

Leadframe-type semiconductor packages that allow the semiconductor packages to be stacked on top of each other. One aspect of the semiconductor package includes a leadframe, a plurality of electrical connectors, a semiconductor chip, and a sealing material for encapsulating the above components. The leadframe has a plurality of leads, with each one of the plurality of leads running from the top of the semiconductor package to the bottom of the semiconductor package. Each one of the plurality of leads has a top portion protruding from the top surface of the semiconductor package and a bottom portion protruding from the top surface of the semiconductor package and a bottom portion protruding from the bottom surface of the semiconductor package. The leads allow for electrical connection of a second semiconductor package placed on top of the first semiconductor package. Further, the protruding parts of the leads form a space between the stacked semiconductor packages for improved heat dissipation.

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First Claim