Aehr Test Systems AEHR

What this company does

We are a leading provider of test solutions for testing, burning-in, and stabilizing semiconductor devices in wafer level, singulated die, and package level, and have installed thousands of systems worldwide. As of May 29, 2026, the Company, including its foreign subsidiaries and one branch office, employed 138 persons collectively, on a regular full-time basis, of whom 43 were engaged in research, development and related engineering, 46 were engaged in manufacturing, 34 were engaged in marketing, sales and customer support and 15 were engaged in general administration, finance and IT functions. As of May 29, 2026, the Company held 125 active patents in the United States, Singapore, China, Germany, Ireland, Italy, Netherlands, United Kingdom, Japan, South Korea, Malaysia, Philippines, Taiwan and other countries, with expiration date ranges from 2028 to 2045, and had over 100 additional United States patent applications and foreign patent applications pending.

Written from the business description in Aehr Test Systems, Inc.'s annual report to the U.S. Securities and Exchange Commission, filed 27 July 2026. Every sentence was checked against that document before publication.