Every SiC device supplier wants to control everything from SiC substrate to device manufacturing. Who’s doing what and where?

Aerial view of the STMicroelectronics plant in Catania, Italy. (Image: STMicroelectronics)
What’s at stake:
Backed by various kinds of state aid, the SiC industry is booming. Key SiC device suppliers are regularly announcing production expansions plans. Can SiC device suppliers acquire enough wafers to meet market demand, or will they continue sourcing substrates from competitors?