US Patent 7729121 Removable package underside device attach

In some embodiments, a stacked package assembly may include a first socket defining an interior cavity, a first semiconductor device coupled to the first socket, a second socket positioned within the interior cavity of the first socket, and a second semiconductor device removably coupled to the second socket within the cavity of the first socket. The second socket may be positioned between the first semiconductor device and the second semiconductor device and provide an electrical connection between the first semiconductor device and the second semiconductor device. Other embodiments are disclosed and claimed.