Four Dimensions, Inc. Email Format
Appliances, Electrical, and Electronics ManufacturingCalifornia, United States11-50 Employees
Four Dimensions, Inc., based in Hayward, California, has manufactured semiconductor probing systems since 1978 and serves hundreds of fabs and research institutions worldwide. Its principal offerings are the Four Point Probe and CVmap platforms, which enable measurement of electrical properties in semiconductors and related materials. Within the Four Point Probe line, the company highlights an extended measurement range, high compliance voltage, wafer mapping capability, and user-friendly software. The CVmap system emphasizes a safe, from-below contact design with a spill-resistant mercury reservoir, repeatable contact areas, multiple front-side contact options, and a compact footprint that supports straightforward maintenance. In 2021, Four Dimensions announced the acquisition of Onzite, a Danish IT solutions provider, representing a notable strategic development.