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>New Experimental Approach for Measuring Electrical Contact Resistance with an Accurate Mechanical Actuation, Evaluation of the Performances of Gold Micro-switches
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New Experimental Approach for Measuring Electrical Contact Resistance with an Accurate Mechanical Actuation, Evaluation of the Performances of Gold Micro-switches
A specific experimental setup combining nanoindentation and electrical inputs has been developed in order to determine the reliability and the performances of Micro-ElectroMechanical Systems (MEMS) like micro-switches. The evolution of the electrical resistance with respect to a mechanical solicitation applied on the contact, is henceforth available. The description of the setup goes with a brief overview of the tests performed on a gold ohmic switch. A discussion is developed considering the mechanisms involved in the contact response. A confrontation among the experimental results, the analytical modeling and also finite-element analysis is presented.
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