초록 ▼

The disclosed invention provides a microwavable package for a food product. The package comprises a base with an active microwave energy heating element to support the food product. The active microwave heating element comprises energy collecting resonant loops, tuned structures, and transmission li

The disclosed invention provides a microwavable package for a food product. The package comprises a base with an active microwave energy heating element to support the food product. The active microwave heating element comprises energy collecting resonant loops, tuned structures, and transmission lines to collect incident microwave energy and redirect it to other parts of the food product. The microwave package also includes a cover comprising a microwave energy interactive layer including one or more apertures within the cover. The apertures promote localized fields to promote browning of the food product in the local areas around the apertures. The cover may also comprise a susceptor layer that is heated in localized areas around the apertures due to the fields promoted by the apertures and impingement by incident microwaves energy through the apertures, thereby providing localized browning of the food product.

대표청구항 ▼

[ What is claimed is:] [23.]23. A microwavable package comprising:a base to support a food product;an active microwave energy heating element interposed between said food product and said base to effect heating of said food product upon impingement by microwave energy;a cover spaced apart from said

[ What is claimed is:] [23.]23. A microwavable package comprising:a base to support a food product;an active microwave energy heating element interposed between said food product and said base to effect heating of said food product upon impingement by microwave energy;a cover spaced apart from said active microwave energy heating element to overlie said food product, said cover comprising:microwave energy interactive material covering at least a portion of said food product, said microwave energy interactive material containing a plurality of apertures spaced about said cover;a substrate supporting and extending beyond the peripheral edge of said microwave energy interactive material to isolate electrically said base and said cover; andat least one layer of suscepting material interposed between said food product and said microwave energy interactive material;wherein said apertures are sized to promote a localized fields to locally enhance said at least one layer of suscepting material and promote browning of said food product.