摘要 |
<p>An apparatus for applying pressure and a high frequency electric field to material comprising a cavity for containing the electric field which encloses platens relatively movable to apply pressure to material placed between the platens. The cavity electrically communicates with the platens for supplying the contained electric field to the platens which, in turn, cooperate with each other to apply the field to the material between the platens. The cavity and platens are also directly coupled into the means for generating the electric field as a resonant circuit.</p> |