Semiconductor materials, namely, gallium nitride based layers on [ sapphire, silicon or ] silicon [ carbide substrates ]; devices employing semiconductor materials, namely, [ light-emitting diodes for use with color displays, lasers diodes for use with data storage devices, ] radio frequency transistors for use with power amplifiers [, and ultra violet detectors for use with flame detection devices ]; and semiconductor systems comprising power amplifiers

Semiconductor wafers for electronic device manufacturing and for devices made thereon, namely, devices such as transistors, specifically, [ bi-polar and ] field effect transistors [, laser diodes, photo diodes, light emitting diodes and photo diode detectors ]

Metal wafers for use in semiconductor device manufacturing