Four Dimensions, Inc.

We manufacture advanced semiconductor probing systems since 1978. Our Four Point Probe and CVmap systems are found in hundreds of fabs and research institutions around the world. Our CVmap systems perform capacitance-voltage ( CV ) and current-voltage ( IV ) measurements directly on the unmetalized wafer using a uniquely designed mercury probe, which allows for a wide range of Hg probe geometries. We provide four point probes with an extended measurement range or sophisticated electronics for compound semiconductors. Our latest innovation is a mercury four point probe that meets the requirements of sheet resistance measurements of ultra shallow junctions. We also offer measurement service.

  • 510.782.1843
  • 510.786.9321
  • info@4dimensions.com
  • 3140 Diablo Avenue
    Hayward, CA 94545
    United States

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