Element for microwave heating

Details Element for microwave heating Element for microwave heating

B - Operations, Transporting

32

B

149/10, 154/126.

B32B 15/08 (2006.01) B65D 81/34 (2006.01) C23F 1/02 (2006.01) H05B 6/80 (2006.01)

Patent

CA 1293918

ABSTRACT OF THE DISCLOSURE A novel laminate of a partially-demetallized polymeric material web and stiff card is used to effect microwave reconstitution of frozen pizza with a more uniform cooking than previously achieved. The polymeric material web includes a metallized region having a central portion which has a first metal density and a peripheral portion having a lesser metal density. A novel demetallizing process is employed to achieve such differential metal density by applying etchant resistant material to the metal surface through screen prior to etching, with the number of screen lines being varied to change the density.

528201

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