Both? One is N-polar.From SCMP
A breakthrough in next-generation semiconductor technology has been announced by Chinese researchers, with the creation of the world's largest N-polar gallium nitride (GaN) wafer, at eight inches (20.3cm).8 hours ago
From Data Center Dynamics
Sep 12, 2024 — Infineon successfully manufactures 300mm power gallium nitride wafers. Larger wafers more advanced and efficient than 200mm counterparts.
So which one is true?