Even more inauspicious, there was no practical way to make p -
type gallium nitride, which has an excess of electron deficiencies known as «holes.»
By 1992 Nakamura had developed a heat - based process to produce p -
type gallium nitride in commercial quantities; all commercial p -
type gallium nitride is now produced with his method.
Not exact matches
«New deposition technique enhances optoelectronic properties of lasers: Yield and efficiency of
gallium nitride - based vertical - cavity surface - emitting lasers, a
type of laser with potential applications in heads - up displays, automotive headlights, visible light data transmission, improved.»