A robust micro mechanical-latch shock switch with low contact resistance

Chun-Hui Chung, R. P. Ma, Y. C. Shieh, W. Hsu

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Citations (Scopus)

Abstract

Here a robust micro mechanical-latch shock switch is presented to record shock event for tens of G without slippage effect. Since the proposed shock switch is made of Ni, low contact resistance can be easily achieved to simplify sensing circuit. An analytical model with fixed-roller boundary condition is developed to investigate the effects of key dimensional parameters. The experimental results show that the switch can be successfully latched after experiencing a maximum downward shock of 17.22 G, which agrees well with the simulated threshold level of 17 G. Furthermore, even after applying 50 G opposite pulse acceleration, the switch can still remain latched due to limited space under the movable part. The contact resistance after latching is found to be around 40, six orders less than the resistance before latching. These results verify the accuracy of the analytical model and the robustness of the proposed micro shock switch design to provide low contact resistance at compact device size.

Original languageEnglish
Title of host publication2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11
Pages1046-1051
Number of pages6
DOIs
Publication statusPublished - 2011 Sep 1
Event2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11 - Beijing, China
Duration: 2011 Jun 52011 Jun 9

Publication series

Name2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11

Other

Other2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11
CountryChina
CityBeijing
Period11-06-0511-06-09

All Science Journal Classification (ASJC) codes

  • Hardware and Architecture
  • Electrical and Electronic Engineering

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  • Cite this

    Chung, C-H., Ma, R. P., Shieh, Y. C., & Hsu, W. (2011). A robust micro mechanical-latch shock switch with low contact resistance. In 2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11 (pp. 1046-1051). [5969169] (2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11). https://doi.org/10.1109/TRANSDUCERS.2011.5969169