AEHR

Aehr Test Systems designs, manufactures, and sells semiconductor test and burn-in equipment used to identify defects in integrated circuits. Headquartered in Fremont, California, the company operates as a specialized provider of test solutions for the semiconductor industry, focusing primarily on wafer-level and packaged part testing systems. Aehr's flagship product, the FOX-XP system, enables full wafer-contact testing and burn-in of semiconductor devices, while its WaferPak contactors provide the interface between test systems and silicon wafers. The company serves manufacturers of logic, optical, memory, and sensor devices, with particular strength in testing silicon carbide power semiconductors used in electric vehicles, solar inverters, and other high-power applications. Aehr generates revenue through equipment sales and recurring consumables, including WaferPak contactors and DiePak carriers that require periodic replacement. The company employs approximately 100 people and maintains operations in the United States, Europe, and Asia. In recent years, Aehr has experienced significant growth driven by increased demand for silicon carbide device testing in the electric vehicle market. The company partners with leading semiconductor manufacturers and has expanded its manufacturing capacity to meet rising order volumes. Aehr's competitive position stems from its proprietary wafer-level test technology that enables customers to reduce testing costs while improving device reliability and production yields.