Patent ID: 8178395
Filing Date: 2012-05-15
Classification: H01L,H05K

Abstract:
1. A method of making a semiconductor chip assembly, comprising: providing a post, a base, a support layer, an underlayer, a conductive layer and an adhesive, wherein flowing the adhesive into and upward in a gap located in the aperture between the post and the conductive layer; solidifying the adhesive; then providing a conductive trace that includes a pad, a terminal and a selected portion of the conductive layer; providing a thermal via that extends from the base through the support layer to the underlayer and provides a thermally conductive path between the base and the underlayer; providing a heat spreader that includes the post, the base, the underlayer and the thermal via; then mounting a semiconductor device on the post, wherein the semiconductor device overlaps the post, the base, the support layer and the underlayer and the underlayer covers the post in the downward direction; electrically connecting the semiconductor device to the pad, thereby electrically connecting the semiconductor device to the terminal; and thermally connecting the semiconductor device to the post, thereby thermally connecting the semiconductor device to the underlayer.