Spin-on glasses and materials provider Desert Silicon Inc. has made Philip C.S. Yin its new executive vice president, general manager and board director. Appointed by the board of directors, Yin has a distinguished career in the compound semiconductor and semiconductor industries. He most recently served as vice president and general manager of China operations for ARC Energy Inc., a manufacturer of equipment for the growth of sapphire crystals and aluminum oxide used in LED bulbs and displays. Yin also served as CEO and chairman of the board of AXT Inc., general manager for Aixtron, Inc., president of ATMI Epitaxial Services, senior vice president of sales and marketing for Crysteco Inc., director of sales for Mitsubishi Silicon America, district sales manager for Monsanto Electronics Materials Corp. and senior research engineer at IBM Thomas J. Watson Research Center. He received his bachelor’s degree in physics from Villanova University and his Ph.D. in materials science from Brooklyn Polytechnic Institute. Desert Silicon Inc. is a global supplier of spin-on glasses and other materials and services used by the semiconductor industry in the manufacturing of integrated circuits and discrete components.