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[ materials for the use in the manufacture of semiconductors, namely, gallium nitride based layers on ] [ sapphire, ] [ silicon ] [ and silicon carbide ] [ substrates ]

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

[ manufacture of semiconductor devices, materials and systems for others ]

[ technical support services, namely, troubleshooting of semiconductor materials, devices and systems problems ] [ via telephone, e-mail, or ] [ in person ]