Importance

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Abstract

A package capable of eliminating bubble formation includes a composite substrate having an accommodating space, an upper conductive layer and a lower conductive layer; at least one conductive via formed in the composite substrate and electrically connected to the upper conductive layer and the lower conductive layer; a die mounted in the accommodating space and having a first surface and a second surface; a molding layer covering the composite substrate and filled in the at least one conductive via and the accommodating space to wrap the die; the support layer buried in the molding layer and located above the upper conductive layer; a redistribution layer mounted on the molding layer and electrically connected to the first surface of the die and the upper conductive layer; wherein the molding layer is formed by laminating a first insulating sheet and a second insulating sheet.

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First Claim