 He could not afford the voyage to US so he started a small production line for devices with piezoelectric crystals, mainly microphones.In December 1946 he arrived to New York, where he realized that "Friends of the Technion" would not fund his degree.With poor means he attended the University of California, Berkeley, where he received his bachelor's degree in engineering physics (1950), master's degree in electrical engineering (1951) and doctorate (1954).