Patent ID: 6940057

Claim:
A microwave oven comprising: a cabinet defining a cooking chamber therein; and a door coupled to the cabinet to open and close the cooking chamber, the door comprising: a door frame to form an appearance of the door, a shielding plate installed in the door frame to prevent high-frequency electromagnetic waves from radiating from a small gap between the door and the cabinet, a choke member provided at a peripheral edge of the shielding plate and having a high-frequency choke groove, a cover to cover the high-frequency choke groove, and a retaining member provided at the cover to elastically support the choke member, wherein the cover includes an inner rib section extended into the high-frequency groove and an outer rib section extended between the door frame and the choke member, and the retaining member is disposed between an end of the choke member near an opening of the high-frequency choke groove and the inner rib section of the cover.