COMPANIES · CHIP EQUIPMENT
Aehr Test Systems
California company that makes burn-in and test systems, which stress chips at wafer or package level to weed out early failures before they reach customers.
California company that makes burn-in and test systems, which stress chips at wafer or package level to weed out early failures before they reach customers.
Aehr has been winning orders to burn in AI processors and silicon photonics devices for data center optical links at wafer level; it is a small, specialized supplier whose AI business is still ramping and whose customers are mostly unnamed.
Sells FOX wafer-level and Sonoma packaged-part test and burn-in systems plus consumable WaferPak and DiePak contactors to chipmakers and test service providers.
United States (Fremont, California)
Semiconductor manufacturing equipment. The highly specialized machines and design software used to create advanced chips in the first place. Without these tools, no chip maker in the world — including the ones building NVIDIA's chips — could produce anything.
Same-layer peers share an editorial stack classification; that alone does not establish direct competition.
Connections (3)
Every connection below is tied to a readable source, date, classification and statement of its limits. A company source establishes what that company stated; it does not necessarily provide independent confirmation.
Current relationships (2)
Source: 2022-08-26 · reviewed 2026-09-26
Evidence: Primary-source statement · Reported operating in fiscal 2022; current status not confirmed
Limits: Historical concentration figure for fiscal 2022 only; Aehr's later filings do not name customers, so this does not establish that onsemi remains a customer.
Aehr Test Systems Form 10-K for fiscal year ended May 31, 2022 ↗Source: 2022-08-26 · reviewed 2026-09-26
Evidence: Primary-source statement · Reported operating in fiscal 2021; current status not confirmed
Limits: Historical concentration figure for fiscal 2021 only; does not establish that Intel is a current customer or what was bought.
Aehr Test Systems Form 10-K for fiscal year ended May 31, 2022 ↗Dated or announced (1)
Source: 2025-11-03 · reviewed 2026-09-26
Evidence: Primary-source statement · Announced; not confirmed operating
Limits: Announcement only; the counterparty is ASE's ISE Labs subsidiary, and the release does not establish service volumes, revenue or customers served.
Aehr Test Systems and ISE Labs Announce Partnership on Wafer-Level Test and Burn-in for High-Performance Computing and Artificial Intelligence Processors ↗Aehr Test Systems Reports Fiscal 2026 Fourth Quarter and Full Year Financial Results ↗
Reviewed
Inclusion in this database is not an endorsement of a company or its securities. Nothing here is a recommendation to buy or sell anything, and none of it is individualized investment advice. See the disclosures. Data: AI Map v3.24, released .