Class 040
Treatment & Processing of Materials Services
[ materials for the use in the manufacture of semiconductors, namely, gallium nitride based layers on ] [ sapphire, ] [ silicon ] [ and silicon carbide ] [ substrates ]
Class 042
Computer & Software Services & Scientific Services
[ technical support services, namely, troubleshooting of semiconductor materials, devices and systems problems ] [ via telephone, e-mail, or ] [ in person ]