Aehr has the right technology for AI-era semiconductor reliability testing, but the stock price already discounts near-flawless execution.
Overview
Aehr Test Systems is a niche semiconductor test-equipment specialist focused on high-power wafer-level, die-level, and package-level burn-in. Its systems help customers identify early chip failures before expensive packaging and deployment, improving yields and reliability for SiC power devices, AI accelerators, GPUs, custom ASICs, and silicon photonics. The company’s parallel architecture, especially FOX-XP, provides a compelling cost-of-test advantage, while proprietary consumables create recurring high-margin revenue tied to customer production volumes and chip redesign cycles.