Collection of selected, peer reviewed papers from the 4th International Conference on Advanced Micro-Device Engineering (AMDE 2012), December 7, 2012, Kiryu City Performing Arts Center, Kiryu, Japan. The 39 papers are grouped as follows: Chapter 1: Material Science; Chapter 2: Chemical Science and Technology; Chapter 3: Nano-Science and Technology; Chapter 4: Photonics Device and Technology; Chapter 5: Novel Measurement and System Technology; Chapter 6: Information and Communication Engineering; Chapter 7: Medical Science and Engineering.
{{comment.content}}