Rear driver: A cylindrical element located on the backside of the piezoelectric transducer. The rear driver is adjacent to the last piece of piezoelectric ceramic and typically applies preload pressure through stacked bolts.
Electrode plate: A thin conductive disk placed between adjacent piezoelectric ceramics in a transducer. The transducer drive voltage is applied across these electrodes.
Front driver: Transmits the ultrasonic energy of the transducer to the horn or tool head, and the front driver typically includes an installation flange for connecting to the housing.
Pre-stressed bolt: A single stack bolt passes through the central hole of the ceramic. After tightening this bolt, the ceramic will be compressed between the rear driver and the front driver, thereby applying the required pre-stress to the ceramic.
Piezoelectric ceramics: Piezoelectric ceramics are the heart of transducers, converting the electrical signals from ultrasonic generators into linear mechanical vibrations.
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This was the key to scaling our lipid nanoparticle production from lab bench to pilot plant without losing any of the critical size uniformity.
It has cut our cell lysis protocol time in half compared to mechanical methods, and the yield is significantly higher and purer.
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