Electric heating – Microwave heating – Cookware
Patent
1993-10-27
1995-06-13
Leung, Philip H.
Electric heating
Microwave heating
Cookware
219729, 426107, 426234, 426243, 99DIG14, H05B 680
Patent
active
054245176
ABSTRACT:
A food package including a package body forming a food receiving cavity for storing and heating a food item in a microwave oven. Specifically, the package body includes a bottom panel and a top panel with side panels joining the bottom and top panel. An impedance matching element is provided on at least one of the panels for impedance matching microwave energy entering the package. The impedance matching element is preferably a contiguous film of thinly flaked material embedded in a dielectric binder which is sized and shaped with respect to the food to cause impedance matching to elevate the temperature of the food in predetermined areas dependent upon the size and spacing of the film without interacting with the microwave energy to produce heat. The film may also be shaped in the form of a convex lens to direct impedance matched microwave energy toward the food to elevate the temperature of the food in a predetermined area. Further, the flake material may be present in the binder in an amount sufficient to provide microwave shielding.
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Habeger, Jr. Charles C.
Josephy Karl
Pollart Kenneth A.
Rettker James P.
Thomas Richard M.
James River Paper Company, Inc.
Leung Philip H.
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