Radio wave irradiation device

Abstract

A radio wave irradiation device includes: a radio wave emission source configured to emit radio waves; and a radio wave reflecting device provided on a side wall of a space in which an object to be heated is accommodated, the radio wave reflecting device being configured to reflect the radio waves emitted from the radio wave emission source, wherein the radio wave reflecting device includes a plurality of reflecting elements arranged in at least one direction, and the reflecting elements includes: a patch electrode; a counter electrode facing the patch electrode; and a liquid crystal layer disposed between the patch electrode and the counter electrode.

Dependencies are inferred from the claim text.