Microwave heating device

摘要

Microwave heating device intended for heating load(s) and comprising a cylinder-shaped cavity ( 2 ) enclosed by a periphery wall, said cavity is provided with a microwave feeding means ( 10 ). The heating device comprises a dielectric wall structure ( 8 ) arranged inside said cavity between said periphery wall and said load(s), wherein said microwave feeding means is arranged to generate a microwave field being an arch surface hybrid mode having TE and TM type properties inside said cavity in order to heat the load(s).