This introductory text presents a well-balanced coverage of semiconductor physics and device operation and shows how devices are optimized for applications. The text begins with an exploration of the basic physical processes upon which all semiconductor devices are based. Next, the author focuses on the operation of the important semiconductor devices along with issues relating to the optimization of device performance. · electrons in solids · electrons in semiconductors · carrier dynamics in semiconductors · processing of a review · junctions in p-n diodes · semiconductor junctions with metals and insulators · bipolar junction transistors · field effect jfet/mesfet · field effect mosfet · technology driver · semiconductor optoelectronics