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Effects of V additions on the mechanical behavior of Au thin films for MEMS contact switches

机译:V的添加对MEMS接触开关Au薄膜力学性能的影响

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摘要

Au, Au-V solid solution, and Au-V_2O_5 dispersion films were fabricated for comparison of electrical and mechanical characteristics. Resistivity and nanoindentation hardness increased with increasing V content in all films, but the ratio of resistivity increase to hardness increase was much lower for the Au-V_2O_5 films. Measurements of contact force and electrical contact resistance between pairs of Au or Au-V films show that increased hardness and resistivity in the alloy films results in higher contact resistance and less adhesion than in pure Au. These results imply that the AU-V_2O_5 films may exhibit attractive behavior when used in a contact configuration, but this has not yet been tested.
机译:制作了Au,Au-V固溶体和Au-V_2O_5分散膜,用于比较电学和机械特性。在所有薄膜中,电阻率和纳米压痕硬度均随V含量的增加而增加,但是对于Au-V_2O_5薄膜,电阻率增加与硬度增加的比率要低得多。成对的Au或Au-V膜之间的接触力和电接触电阻的测量结果表明,与纯Au相比,合金膜中硬度和电阻率的提高导致较高的接触电阻和较小的附着力。这些结果表明,AU-V_2O_5膜在接触配置中使用时可能表现出吸引人的性能,但这尚未经过测试。

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