Abstract
A semi-aqueous supersonic gas-liquid (SS-GLC) cleaning technique has been developed for various precision cleaning applications and for medical applications. The technique is based on accelerating the cleaning liquid, suspended as droplets in a gas stream, to supersonic velocities through a converging-diverging nozzle. The gas-liquid mixture has the kinetic energy to very effectively remove surface contaminants. This method can also be used for cleanliness verification. SS-GLC uses very low volumes of aqueous liquids and is a viable alternative to solvent cleaning in many applications, as well as for wound debridement and transdermal drug delivery.
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