Electromagnetic energy seal for a microwave oven

Details Electromagnetic energy seal for a microwave oven Electromagnetic energy seal for a microwave oven

1987-11-25

1989-04-18

Leung, Philip H.

Electric heating

Metal heating

Of cylinders

174 35R, H05B 676

Patent

active

048229687

ABSTRACT:
An electromagnetic energy seal for a microwave oven includes a seal plate fixed on an inner wall of a door frame of the oven which is adapted to form an opening. From an upper end of an outer wall of the door frame, an inwardly bent member is extended. Also, slits having a uniform width are formed in the bent member at intervals where the electric field component of the electromagnetic energy utilized by the oven is at a maximum. The use of these slits effectively interrupt the propagation of the electromagnetic energy.

REFERENCES:
patent: 3668357 (1972-06-01), Kobayashi
patent: 4475023 (1984-10-01), Iwabuchi et al.
patent: 4584447 (1986-04-01), Kusunoki et al.
patent: 4659891 (1987-04-01), Yamaguchi et al.
patent: 4700034 (1987-10-01), Lee

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