Solid State Physics Laboratory, a research arm of the Indian Ministry of Defence's Defence Research and Development Organisation (DRDO), has developed indigenous processes for growing and manufacturing 4-inch-diameter silicon carbide (SiC) wafers, as well as fabricating gallium nitride (GaN) high-electron-mobility transistors (HEMTs) up to 150W and monolithic microwave integrated circuits (MMICs) up to 40W for applications operating at up to X-band frequencies...
