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Vacuum wafer-level packaged two-dimensional optical scanners actuated by vertical electrostatic combs have been developed. A 1 mm-diameter gimbal mirror with high frequency deflection and a surrounding 2.5times3 mm movable frame with low frequency deflection are fabricated in a SOI wafer. Wafer-level packaging with anodically bonded borosilicate glass substrates on both sides together with non-evaporable...
We report on the experimental characterization of a single crystal silicon square-plate microresonator. The resonator is excited in the square wine glass (SWG) mode at a mechanical resonance frequency of 2.065 MHz. The resonator displays quality factor of 9660 in air and an ultra-high quality factor of Q = 4.05 times 106 in 12 mtorr vacuum. The SWG mode may be described as a square plate that contracts...
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