Aehr Test Systems wins follow-on silicon photonics burn-in order

Aehr Test Systems (NASDAQ: AEHR) announced it has received a follow-on production order from its lead silicon photonics customer for a FOX-XP multi-wafer production burn-in system, according to a press release issued August 4, 2026.

The ordered system is configured with nine independent WaferPak test blades, each capable of delivering up to 3,500 watts of power for production burn-in and reliability screening of silicon photonic integrated circuits used in optical transceivers and chip-to-chip optical I/O applications.

The system also includes Aehr's automated wafer-level handling solution, integrating the FOX-XP system with a WaferPak Auto Aligner, robotic wafer handling, and automated wafer loading and unloading. The system is expected to ship during the first half of calendar 2027.

Gayn Erickson, President and Chief Executive Officer of Aehr Test Systems, said the order "reflects our lead silicon photonics customer's continued expansion of manufacturing capacity and represents another important milestone in the industry's transition toward high-volume production of silicon photonic integrated circuits."

Erickson also noted that over the past year the company has seen increased engagement from silicon photonics companies worldwide, spanning engineering qualification systems, production capacity planning, and next-generation device roadmaps.

The Fremont, California-based company said its FOX-XP platform supports silicon photonics, silicon carbide power semiconductors, AI processors, optical devices, and other semiconductor products requiring production burn-in and reliability screening.

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