Ultrasonic Systems, Inc. (USI), a manufacturer of high-performance ultrasonic spray coating equipment, has announced several improvements to its Prism BT Benchtop precision spray coating system. The Prism BT Benchtop incorporates USI’s proprietary, nozzle-less ultrasonic spray head technology to perform thin, uniform applications using a variety of coatings, inks and suspensions suitable for fuel cell manufacturing processes