Abstract: A bi-solvent cleaning system for cleaning precision components without the use of VOC solvents. The bi-solvent cleaning system provides for is a two mode operation for cleaning and rinsing precision components using VOC exempt solvents that is as effective as prior art VOC solvent based systems while subsequently allowing for recovery and reuse of a VOC exempt solvent.
Type:
Grant
Filed:
October 20, 2009
Date of Patent:
July 3, 2012
Assignee:
Crest Ultrasonics Corp.
Inventors:
Wayne L. Mouser, Russell Manchester, William Barrett, Fredrick Bergman
Abstract: A bi-solvent cleaning system for cleaning precision components without the use of VOC solvents. The bi-solvent cleaning system provides for is a two mode operation for cleaning and rinsing precision components using VOC exempt solvents that is as effective as prior art VOC solvent based systems while subsequently allowing for recovery and reuse of a VOC exempt solvent.
Type:
Grant
Filed:
October 27, 2005
Date of Patent:
October 20, 2009
Assignee:
Crest Ultrasonics Corp.
Inventors:
Wayne L. Mouser, Russell Manchester, William Barrett, Fredrick Bergman
Abstract: An ultrasonic transducer for generating and transmitting ultrasonic wave energy of a predetermined frequency to the surface of an object. The head mass and the tail mass are made from ceramic materials such as silicon carbide or alumina. In a particularly preferred embodiment, the transducer stack includes a resonance enhancing disc also made from ceramic material.
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