Aehr Test Systems, Inc. develops, manufactures and sells advanced test and burn-in equipment for the semiconductor industry. Its product portfolio includes wafer-level test systems, parallel test equipment and multi-device test modules designed to accelerate product qualification and improve yield for integrated circuit manufacturers. These systems enable early detection of defects, functional testing under stress conditions and reliability screening for devices ranging from memory and logic ICs to power semiconductors and photonic components.
The company’s flagship offering, the FOX® wafer-level test system, supports high-volume parallel testing of devices on wafers or singulated parts and is complemented by the ABTS™ advanced burn-in systems that subject devices to elevated temperatures and voltages to identify early-life failures. Aehr’s scalable solutions are widely used in wafer fab, packaging and assembly facilities, and serve customers developing automotive electronics, 5G communications, industrial power modules, solid-state lighting and emerging silicon photonics applications.
Founded in 1977 and headquartered in Fremont, California, Aehr Test Systems has established a global presence with sales and support offices in key semiconductor markets across North America, Europe, Japan, South Korea and Taiwan. Over its more than four decades, the company has evolved its platforms to address the growing need for wafer-level reliability screening and has introduced innovations such as multi-site contactors and temperature-controlled test sockets to streamline throughput and lower cost of test.
Under the leadership of its executive team—comprising seasoned industry veterans in test engineering, product development and customer support—Aehr Test Systems continues to expand its suite of test and burn-in solutions. The company’s focus on partnering with foundries, OSATs and device manufacturers positions it to address the semiconductor industry’s increasing demand for faster time-to-market and higher reliability in advanced process nodes and compound semiconductor technologies.
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