Microwave door with viewing window

A microwave unit door with a viewing window (W), wherein said microwave unit door closes a processing space (I) of a microwave unit (10) and comprises a metallic door frame (1), an outer glass pane (2) and an interior glass pane (3), said outer glass pane (2) and said interior glass pane (3) being held spaced apart in the metallic door frame (1), said interior glass pane (3) being closer to the processing space (I) than said outer glass pane (2);

• wherein the interior glass pane (3) has at least one optically transparent first layer (13) that absorbs microwave radiation, said at least one optically transparent first layer having a microwave absorption capability, so that said at least one optically transparent first layer (13) heats up to prevent condensate formation on the interior glass pane during operation of the microwave unit;
• and
• wherein the outer glass pane (2) has at least one optically transparent second layer (12) that reflects microwave radiation passing through the at least one optically transparent first layer (13).