Sumitomo Chemical begins mass production and sales of InP epitaxial wafers for AI data centers

Sumitomo Chemical has established a mass production system for 4-inch indium phosphide (InP) epitaxial wafers at its Ibaraki Works and commenced sales. These compound semiconductors are crucial core materials for high-performance optical semiconductor devices, supporting photonic-electronic convergence technologies vital for next-generation digital infrastructure and the evolving demands of AI data centers.