Patent ID: 7955942
Filing Date: 2011-06-07
Classification: H01L

Abstract:
1. A method of making a semiconductor device, comprising: providing a temporary carrier; mounting a semiconductor die or component over the temporary carrier; forming an inductor core over the temporary carrier; mounting a prefabricated pillar frame over the temporary carrier and semiconductor die or component, the prefabricated pillar frame including a plurality of bodies extending from a plate, the bodies being disposed around the inductor core; depositing an encapsulant through an opening in the plate to cover the semiconductor die or component, bodies, and inductor core; removing the plate of the prefabricated pillar frame while leaving the bodies to form inductor pillars around the inductor core; forming a first interconnect structure over a first surface of the encapsulant; removing the temporary carrier; and forming a second interconnect structure over a second surface of the encapsulant opposite the first interconnect structure, the first and second interconnect structures being electrically connected to the inductor pillars to form a 3D inductor.