MULTILAYER SUBSTRATE AND MANUFACTURING METHOD FOR SAME
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United States of America Patent
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Issued Date -
Nov 30, 2017
app pub date -
May 25, 2017
filing date -
May 26, 2016
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Abstract
A multilayer substrate includes a component mounting substrate having component mounting and non-mounting surfaces and including connection pads on both the mounting surfaces, a sealing resin layer having an upper surface in close contact with the non-mounting surface and a flat lower surface, a semiconductor element having an electrode formation surface on which electrodes are formed, and embedded in the sealing resin layer with the electrode formation surface exposed at the flat lower surface, an insulating layer formed in close contact with the electrode formation surface and the flat lower surface, through-holes continuously penetrating through the insulating layer and the sealing resin layer and having bottom ends defined by the connection pads on the non-mounting substrate, via holes penetrating through the insulating layer and having bottom ends defined by the electrodes, and wiring conductors formed inside the through-holes and the via holes and on a surface of the insulating layer.
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