Chroma ATE, a supplier of precision test and measurement instrumentation, completed the acquisition Environmental Stress Systems, a supplier of thermal platforms, and liquid recirculating chillers. Financial terms were not disclosed. The acquisition of ESS provides Chroma with the chance to further expand into the market of semiconductor test applications, such as in aerospace, electric/self-driving vehicles, 5G, AIoT, and biomedical test equipment. Chroma expects that the opportunities resulting from this synergy will create a strong platform for future growth.