Importance

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Abstract

In a preferred embodiment, a wiring board with embedded device, built-in stopper and electromagnetic shielding includes a stopper, a semiconductor device, a stiffener with shielding sidewalls, a first build-up circuitry and a second build-up circuitry with a shielding lid. The first and second build-up circuitries cover the semiconductor device, the stopper and the stiffener in the opposite vertical directions. The shielding sidewalls and the shielding lid are electrically connected to at least one ground contact pad of the semiconductor device by the first build-up circuitry and can respectively serve as effective horizontal and vertical electromagnetic shields for the semiconductor device within the aperture of the stiffener.

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First Claim