HAST Testing

HAST Testing Description:

HAST (Highly Accelerated Stress Test) reduces the time it takes to complete humidity testing most commonly used for semiconductors. HAST Tests can be completed in days, not weeks. Any testing process that requires humidity testing may benefit from switching to HAST. By elevating temperatures above 100°C and increasing pressure, simulation of longer duration humidity tests can be made while seeing the same failure mechanisms.

HAST can also help determine reliability of non-hermetic, packaged solid-state devices in humid environments. Along with the temperature and humidity conditions, a bias (DC voltage – continuous or cycled) can accelerate the penetration of moisture.

Cascade TEK is A2LA Accredited to perform HAST to JESD22 Sec. A110-B, A102-B, A118.