According to Semiconductor Insight, the global GaN HEMT Epitaxial Wafer market is positioned for continued expansion across the 2026–2034 forecast window. The source reports USD 300.17 million in 2026 and projects USD 1.25 billion by 2034 at a 19.5% CAGR where a 2026–2034 forecast is published. Gallium nitride epitaxial wafers used to form high-electron-mobility transistor...