Semiconductor-Free Microelectronics (image) University of California - San Diego Share Print E-Mail Caption This is the designed semiconductor-free microelectronic device. Credit UC San Diego Applied Electromagnetics Group Usage Restrictions Please credit UC San Diego Applied Electromagnetics Group. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.