Door with viewing window for microwave oven and other implements, containing metal door frame with double glazing and metal screen for microwave radiation between glass panes

摘要

The door for microwave oven etc. contains viewing window in metal frame (1) with two spaced glass panes (2,3), sandwiching metal screen for microwave radiation in conductive contact with metal door frame. The metal screen consists of web (5) of thin metal fibres in preset close positions. The thickness of metal fibres is preferably in region of 0.02 to 0.1 mm, typically approximately 0.06 mm. The fibre spacing may be 0.09 to 0.5 mm. The web may be woven as linen cloth and may be black.