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A new more reliable design of micromechanical radial contour mode disk resonator have been demonstrated with the ability to work at UHF range and high quality factor in both vacuum and air and spurious modes free. In addition, this structure is capable to work at higher modes (e.g. second mode) without increasing the insertion loss and therefore lowering Q. These characteristics are achieved because...
This paper presents design and characterization of a MEMS comb accelerometer designated for integration into surgical probe to detect tissue hardness during cataract removal surgery. It helps the surgeon to avoid rupturing posterior lens capsule which if occurs leads to severe complications such as glaucoma, infection, or even blindness. The microsensor having overall dimensions of 480 ??m ?? 395...
The fracture mechanical J G integral is theoretically generalized for the calculation of the energy release rate during fatigue crack propagation in inelastic solids, which may include material interfaces. An advanced program is developed to calculate the J G integral by a FEM-tool. Some measurement set-ups are manufactured to measure fatigue crack growth of eutectic Sn63Pb37 solder...
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