Aehr Test Systems
NASDAQ: AEHRFremont, US · California corporation · 1 known investors
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Aehr Test Systems makes test, burn-in, and stabilization equipment for semiconductor devices in wafer-level, singulated die, and packaged part form, serving IC manufacturers building chips for electric vehicles, power electronics, AI processors, sensors, memory, and photonics. The company also offers high-power packaged part reliability and burn-in solutions for AI semiconductor makers following its acquisition of Incal Technology.
Founders & leadership

Investors · 1
Reported raises · per SEC filings
Form D private placements$14.6M disclosed across 3 rounds · 2014–2016
▶$5.9MraisedOct 2016 · 10 investors · Other TechnologyRule 506(b)
- Mario RosatiDirector
- Robert AndersonDirector
- John SchneiderDirector
- Gayn EricksonExecutive Officer, Director
- Ken SpinkExecutive Officer
- David FucciExecutive Officer
- David HendricksonExecutive Officer
- Howard SlayenDirector
- William ElderDirector
- Kunio SanoExecutive Officer
- Carl BuckExecutive Officer
- Mark AllisonExecutive Officer
- Rhea PosedelDirector
- Offering amount
- $5.9M
- Amount sold
- $5.9M
- Sales commissions
- $409.6K
- Placement agents
- Craig-Hallum Capital Group LLC
- First sale
- Sep 2016
- Incorporated
- Corporation, California
- Federal exemptions
- 06b
▶$6.1MraisedJan 2016 · 2 investors · Other TechnologyRule 506(b)
- Kunio SanoExecutive Officer
- Mark AllisonExecutive Officer
- Carl BuckExecutive Officer
- Mario RosatiDirector
- John SchneiderDirector
- Robert AndersonDirector
- Ken SpinkExecutive Officer
- David HendricksonExecutive Officer
- William W. R. ElderDirector
- Gayn EricksonExecutive Officer, Director
- Howard SlayenDirector
- Rhea PosedelDirector
- David L. FucciExecutive Officer
- Offering amount
- $6.1M
- Amount sold
- $6.1M
- First sale
- Apr 2015
- Incorporated
- Corporation, California
- Federal exemptions
- 06b
▶$2.6MraisedDec 2014 · 14 investors · Other TechnologyRule 506(b)
- Mukesh PatelDirector
- Rhea PosedelDirector
- David HendricksonExecutive Officer
- Mark AllisonExecutive Officer
- Robert AndersonDirector
- Kunio SanoExecutive Officer
- Gayn EricksonExecutive Officer, Director
- Mario RosatiDirector
- Howard SlayenDirector
- William W. R. ElderDirector
- David L. FucciExecutive Officer
- Carl BuckExecutive Officer
- John SchneiderDirector
- Gary LarsonExecutive Officer
- Offering amount
- $2.6M
- Amount sold
- $2.6M
- First sale
- Nov 2014
- Incorporated
- Corporation, California
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
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In the news
Frequently asked questions
- What does Aehr Test Systems do?
- Aehr Test Systems makes test, burn-in, and stabilization equipment for semiconductor devices in wafer-level, singulated die, and packaged part form, serving IC manufacturers building chips for electric vehicles, power electronics, AI processors, sensors, memory, and photonics. The company also offers high-power packaged part reliability and burn-in solutions for AI semiconductor makers following its acquisition of Incal Technology.
- Who founded Aehr Test Systems?
- Aehr Test Systems was founded by Rhea Posedel.
- Who are Aehr Test Systems's investors?
- Aehr Test Systems's investors include Summit Partners.
- How much funding has Aehr Test Systems raised?
- Aehr Test Systems has disclosed $14.6M raised across 3 rounds.
- Where is Aehr Test Systems headquartered?
- Aehr Test Systems is headquartered in Fremont, US.







