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In recent years, explosive based terrorism has grown enormously; moreover, chemical warfare is forecasted as the next terror inflicting agents. Detecting such materials is a challenging task. Aiming towards "artificial nose", we take advantage of highly sensitive porous silicon microcantilevers devices in combination with non specific polymer layers and monitor their interaction with target...
Method of dielectric investigation of liquid crystals (LQ) confined into porous silicon (PSi) is described. Individuality technique for dielectric measurements consists oa using two type sensors, switching as a system elements in the microstrip resonance contour. The effective permittivity and molecular alignments of PSi with LQ (8CB) is determined in frequency range 103 - 5 times 108 MHz.
Stress sensing test chips are widely utilized to investigate integrated circuit die stresses arising from assembly and packaging operations. In order to utilize these test chips to measure stresses over a wide range of temperatures, one must have values of six piezoresistive coefficients for n- and p-type silicon over the temperature range of interest. However, the literature provides limited data...
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