FormFactor is a company that provides electrical and optical test and measurement technologies across stages of the semiconductor lifecycle, including design, characterization, and production. It operates through two segments: Probe Cards and Systems. The Probe Cards segment designs and manufactures probe cards and analytical probes used for electrical testing of semiconductor wafers. The Systems segment produces probe stations and thermal and cryogenic systems used in semiconductor testing and measurement. The company serves 5G and 6G communications, automotive, aerospace, defense, and other industries.