Near-field microwave heating system and method

A microwave heating system includes: a variable-frequency microwave source having a usable bandwidth about a center frequency; a waveguide with an input side connected to the source and an output side terminating in a launch structure; and, a metallic reflector plate facing the launch structure and...

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Bibliographische Detailangaben
Hauptverfasser:	DeCamillis, Clayton R, Cardin, Andrew, Bools, Andrew, Schauer, Robert J, Hicks, Keith R, Liu, Yunchuan
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A microwave heating system includes: a variable-frequency microwave source having a usable bandwidth about a center frequency; a waveguide with an input side connected to the source and an output side terminating in a launch structure; and, a metallic reflector plate facing the launch structure and perpendicular thereto and spaced therefrom at a distance of no more than twice the microwave wavelength at an operative frequency of the microwave source, the reflector plate including a recessed area of a selected size and shape located facing the launch structure so that a material to be treated may be placed between the launch structure and the recessed area for exposure to microwave energy. A related method is also disclosed.