Importance

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Abstract

In accordance with the present invention, there is provided multiple embodiments of a package-in-package semiconductor device including an RF package and a semiconductor die which are provided in a stacked arrangement and are each electrically connected to an underlying substrate through the use of conductive wires alone or in combination with conductive bumps. In certain embodiments of the present invention, the RF package and the semiconductor die are separated from each other by an intervening spacer which is fabricated from aluminum, or from silicon coated with aluminum. If included in the semiconductor device, the spacer is also electrically connected to the substrate, preferably through the use of conductive wires. The RF package, the semiconductor die, the spacer (if included) and a portion of the substrate are at least partially covered or encapsulated by a package body of the semiconductor device.

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First Claim