Semiconductor & Solar >> Four Dimensions Inc., USA

Mercury Four-Point

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    Four Dimensions developed a Mercury four point probe (patent pending).

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      Detailed Specs

      The liquid metal Mercury is used to form temporary electrical contacts at four terminals. These probes cause no damage to the sample and permit no contact pressure probing.

      The system meets the requirements for ultra shallow junction probing, but may well be applied to other ultra thin films found for example in hard disks and flat panels.

      Advantages of Mercury Probes:

      Non destructive probing
      No pressure probing
      Highly repeatable contact area
      Basic features:

      Safe design principle
      Refreshed mercury before each contact insures clean contact
      Clean and safe Mercury handling
      Mercury reservoir replacement only twice a year