Scientific Test, Inc. is a privately held company founded in 1981 by John Bailey, specializing in providing quality semiconductor test equipment, including ATE systems and Curve Tracers. They cater to a wide range of industries such as device manufacturers, consumer electronics, military, aerospace, transportation, and medical sectors worldwide. Their products are used for testing various semiconductors like transistors, MOSFETs, Zener diodes, SCRs, and more. STI offers solutions for creating data sheets, testing at wafer level, interfacing with handlers, and conducting QA or failure analysis at currents ranging from 20PA to 1200A.