Susceptors having disrupted regions for differential heating in a microwave oven

摘要

A packaging system is disclosed which includes a susceptor that heats when exposed to microwave radiation, and which has a selective responsiveness to microwave radiation. The susceptor surface has a plurality of regions, where at least one region has an altered responsiveness to microwave radiation which is achieved by disruptions in the susceptor surface. A method for making regions of a susceptor selectively responsive to microwave heating by disrupting the continuity of the metallized film of the susceptor is also disclosed.