Top plate for cooking device having electromagnetic-induction heating unit

Abstract

A top plate is provided for use in a cooking device having an induction heater alone or an infrared heater in addition, which comprises a transparent crystallized glass plate, a light-shading film on a bottom surface of the glass plate and an ornamental film formed on the top surface of the glass plate. The light-shading film is a porous layer of inorganic pigment powder dispersed in glass matrix. The light-shading film has small apertures at a portion corresponding to the infrared heater. Alternatively, it has a decreased thickness at the portion. In another alternative, a luster film is used in place of the inorganic pigment layer at the portion corresponding to the infrared heater.

Dependencies are inferred from the claim text.