Patent ID: 6583395
Filing Date: 2003-06-24
Classification: H05B

Abstract:
Microwave applicator placed at the end of a microwave guide (1) comprising an envelope (3) with a reflecting inner face with a bottom and an opening (7) opposite each other, the microwave guide opening into the bottom of the envelope, and a central reflector (4) placed in the envelope and comprising one face directed towards the microwave guide and profiled such that the reflector and then by the inner face of the envelope converging approximately towards a focal point (16) located in front of the opening of the envelope, characterized in that the said face of the central reflector comprises a first central facet (10), a second lateral facet (11) on the sides of the microwave guide, and the inner face of the envelope comprises a first central facet (12), a second facet (13) and then a third facet (14) on each side of the microwave guide, the facets being modeled such that a first portion of the microwaves reaches the focal point after being reflected by the second facet of the second reflector (11) and then the second facet (13) of the envelope, and a second portion of the microwaves reaches the focal point after being reflected by the first facet (10) of the central reflector, the first facet of the envelope (12) and then the third facet (14) of the envelope.