It provides a comprehensive coverage of the fundamental concepts of the subject‎,‎ which will be useful to undergraduate and polytechnic students as well as practising engineers‎.‎ The book begins with basic solid state topics such as electron dynamics‎,‎ growth and crystal properties of semiconductors‎,‎ energy bands‎,‎ and excess carriers in semiconductors‎,‎ and then moves on to the study of p‎-n junctions‎,‎ bipolar junction transistors‎,‎ and field effect transistors‎.‎ This is followed by an analysis of special devices such as opto‎-electronic devices‎,‎ power devices‎,‎ and microwave devices‎.‎ Finally‎,‎ the text covers integrated circuits‎,‎ micro‎-electromechanical systems‎,‎ rectifiers‎,‎ and power supplies‎.‎