indium phosphide

AXT, Inc., which manufactures indium phosphide substrate wafers through its subsidiary Beijing Tongmei Xtal Technology Co., Ltd., has a $100 million backlog and funded capacity doubling, but faces a r…

AXT Inc. shares surged 10% after Chinese export permit delays tightened global supply of indium phosphide, a critical substrate for AI data center optical interconnects. The company, which controls ne…