Microwave heating element with antenna structure

Details Microwave heating element with antenna structure Microwave heating element with antenna structure

1992-06-29

1994-01-11

Leung, Philip H.

Electric heating

Microwave heating

Cookware

219748, 426107, 426234, H05B 680

Patent

active

052783782

ABSTRACT:
A microwave heating element is described which permits a more uniform microwave cooking of a foodstuff to be achieved. The element comprises a layer of electroconductive material having circular openings formed therethrough and arranged in an array that generates thermal energy when exposed to microwave energy and adjacent a foodstuff. An antenna is provided in at least some of the openings to guide microwave energy to and through the openings. The electroconductive material layer usually is adhered to a paperboard layer with an overlying polymeric film layer.

REFERENCES:
patent: 4320274 (1982-03-01), Dehn
patent: 4398994 (1983-08-01), Beckett
patent: 4460814 (1984-07-01), Diesch et al.
patent: 4552614 (1985-11-01), Beckett
patent: 4972059 (1990-11-01), Wendt et al.
patent: 4992636 (1991-02-01), Namiki et al.

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