Four Dimensions Inc. has been manufacturing advanced semiconductor probing systems since 1978. It provides four point probes with an extended measurement range or sophisticated probing for compound semiconductors. The company offers small low budget manually operated systems, research and development oriented desktop systems, as well as production line oriented fully automated cassette-to-cassette systems capable of handling wafers up to 300mm in diameter or flat panels and customized tools. In addition, Four Dimensions Inc. provides measurement service using advanced characterization tools. The company offers the widest range of Mercury probe geomertries and special capacitance measurement electronics.