ESI

semi-conductor wafers; semi-conductors; semiconductor wafers, particularly silicon wafers, for printed circuits, integrated circuits and electronics manufacturing; semiconductor wafers for radio frequency (RF) components and for power components; semiconductor components for microelectronics and micro-engineering; semiconductor wafers for use in microelectronics, power electronics and micro-engineering, for flat screens, for integrated optical waveguides, for sensors, particularly image sensors, for memory cards and microprocessors, for magnetic identity cards