Another wrinkle in GaN semiconductors is GaN RF power transistors with grown-on diamond heat spreader layers. Increases RF power density by 3x over GaN on SiC.

Another wrinkle in GaN semiconductors is GaN RF power transistors with grown-on diamond heat spreader layers. Increases RF power density by 3x over GaN on SiC. Brief overview here (2014): http://www.edn.com/design/wireless-networking/4435899/History-of-GaN-on-Diamond-Technology http://www.edn.com/design/wireless-networking/4435899/Histor...