Door assembly of microwave oven

摘要

A door assembly for a microwave or electric oven is disclosed, which has an improved structure in which an optimum microwave-shielding frequency is not changed even though an incident angle of microwave is changed, to obtain a user's convenience on cleaning a door 30. The door assembly for a microwave oven includes a door frame 100 to open and close a cooking cavity 25; and a door filter 35 having a filter plate 210 adhered to one side of the door frame 100, a choke portion 220 bent to an opposite side of the cooking cavity 25 in an edge of the filter plate 210, a first slot 221 formed in a width direction of the choke portion 220, and a second slot 222 formed in a length direction of the choke portion 220.