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Aehr Test Systems

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Aehr Test Systems is a provider of test solutions for testing, burning-in, and stabilizing semiconductor devices in wafer level, singulated die, and package part form.

Last updated September 11, 2026

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Nov 4, 2026
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Nov 4, 2026

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Overview

Aehr Test Systems is headquartered in Fremont, California, and is a leading provider of test solutions for testing, burning-in, and stabilizing semiconductor devices in wafer level, singulated die, and package part form, and has installed thousands of systems worldwide. Its products include the FOX-P families of test and burn-in systems and FOX WaferPak Aligner, FOX WaferPak Contactor, FOX DiePak Carrier and FOX DiePak Loader. The FOX-XP and FOX-NP systems are full wafer contact and singulated die/module test and burn-in systems that can test, burn-in, and stabilize a wide range of devices such as leading-edge artificial intelligence processors, silicon carbide-based and other power semiconductors, 2D and 3D sensors used in mobile phones, tablets, and other computing devices, memory semiconductors, processors, microcontrollers, systems-on-a-chip, and photonics and integrated optical devices. The FOX-CP system is a low-cost single-wafer compact test solution for logic, memory and photonic devices and the newest addition to the FOX-P product family.

Products and positioning

  • FOX-P families of test and burn-in systems

    Aehr has developed and introduced several innovative products including the FOX-P families of test and burn-in systems.

  • FOX-XP and FOX-NP systems

    The FOX-XP and FOX-NP systems are full wafer contact and singulated die/module test and burn-in systems that can test, burn-in, and stabilize a wide range of devices such as leading-edge artificial intelligence processors, silicon carbide-based and other power semiconductors, 2D and 3D sensors used in mobile phones, tablets, and other computing devices, memory semiconductors, processors, microcontrollers, systems-on-a-chip, and photonics and integrated optical devices.

  • FOX-CP system

    The FOX-CP system is a low-cost single-wafer compact test solution for logic, memory and photonic devices and the newest addition to the FOX-P product family.

Recent events

  • Reported

    Aehr Test Systems raises fiscal 2027 revenue guidance[6]

    Aehr Test Systems raised its fiscal 2027 revenue guidance to $150 million. Management continued to expect non-GAAP net income of at least 20% of revenue.

  • Reported

    Aehr Test Systems reports quarterly earnings[6]

    Aehr Test Systems reported quarterly earnings of $0.28 per share and revenue of $33.01 million. The report says both figures exceeded analyst estimates.

  • Reported

    Aehr Test Systems appoints Vijay Rao to its board[7]

    Aehr Test Systems announced that Vijay Rao was appointed to its Board of Directors, effective October 28, 2026.

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