WASHINGTON – The United States Patent and Trademark Office has assigned a patent to Sono-Tek Corp. covering the creation of thin organic films on complicated substrates using ultrasonic nozzles in combination with a vacuum system.
 
The patent covers a process for coating 3-D substrates with thin organic films and products. Applications include coating of implantable medical devices such as drug-coated cardiac stents, diabetes monitors, and other geometries.
 
Sono-Tek, a developer of ultrasonic spray technology, markets the invention under the name MediSonic.

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