The Wilcoxon Research model F4/F7, a dual piezoelectric and electromagnetic vibration (shaker) system, provides wide-frequency-range structural excitation. The Wilcoxon Research model F4/F7, a dual ...
Penn State engineers have developed a low- cost, high-torque rotary motor, based on "smart" materials, that can be configured in a wide range of formats, including one as flat and thin as a CD case.
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