Seems like an academic exercise than an effort that can result in production-ready technologies. I have nothing against PhD's (I am one myself!) but the effort in 3D IC stacking is more a stack design and manufacturing process validation exercise that needs to be conducted with close cooperation of foundries and OSATs.
As we unveil EE Times’ 2015 Silicon 60 list, journalist & Silicon 60 researcher Peter Clarke hosts a conversation on startups in the electronics industry. Panelists Dan Armbrust (investment firm Silicon Catalyst), Andrew Kau (venture capital firm Walden International), and Stan Boland (successful serial entrepreneur, former CEO of Neul, Icera) join in the live debate.