Courtesy of Barilla Spa, it allows the processing of small loads travelling trough the applicator on a special paper conveying belt. The applicator walls have multiple holes to allow coupling with hot air or infrared heating, while preventing microwave leakage.

Applicator showing the inlet port and WR340 waveguide flange

By selecting the proper position of the conveying belt, it is possible to control the amount of dissipated power per unit load

E field ( slice plot) and power density (volume plot) in disc-shaped load