Any thoughts on Aehr?
I can't find much on competitors offering full wafer level burn-in testing for SiC, though STM appears to be working with Technoprobe. Infineon has said that wafer testing is too expensive and I think Cree is doing sample testing.
Seems like there is a big opportunity if automotive clients require burn-in testing to avoid infant mortality of devices. However, Aehr is tiny and it seems unlikely that none of the established testing equipment companies have their own offerings.