"CHIPS 2020 Volume 2 has sought to present the latest developments in the most critical and promising areas relevant to energy efficient electronics. ... This book is suitable for the student, researcher or recent graduate that wants to understand where the challenges lie in chips and for managers, investors and policy makers. It is suitable for all and is written with the issue of sustainability and engineering responsibility at its core." (EETimes Europe Analog, analog-eetimes.com, November, 2015)