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A non-surgical, direct driving hearing device with an actuator placed on the tympanic membrane was designed, fabricated and tested. The actuator consisted of two photodiodes, an aluminum ring, two neodymium iron permanent magnets, two opposing wound coils, a latex membrane and a Provil Novo™ membrane. The transducer coupled to the ear drum-utilizing photodiodes and permanent magnets on the motive...
Mono-disperse polycarbonate (PC) nanoparticles 20nm in diameter was spray coated on silicon substrate using a novel high-frequency ultrasonic nozzle. Specifically, Bisphenol-A polycarbonate with a molecular weight (M w ) of approximately 6.4×10 4 g/mol was first dissolved in pyridine. The resulting solution was sprayed into surfactant-containing de-ionized (DI) water using a 300kHz...
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