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Novel Test Fixture For Characterizing Microcontacts: Performance And Reliability, Benjamin F. Toler
Novel Test Fixture For Characterizing Microcontacts: Performance And Reliability, Benjamin F. Toler
Theses and Dissertations
Engineers have attempted to improve reliability and lifecycle performance using novel micro-contact metals, unique mechanical designs and packaging. Contact resistance can evolve over the lifetime of the micro-switch by increasing until failure. This work shows the fabrication of micro-contact support structures and test fixture which allow for micro-contact testing, with an emphasis on the fixture's design to allow the determination and analysis of the appropriate failure mode. The other effort of this investigation is the development of a micro-contact test fixture which can measure contact force and resistance directly and perform initial micro-contact characterization, and two forms of lifecycle testing …