| 主权项 |
1. A method of heating food in a microwave oven having a disk-shaped turntable tray, the method comprising:
placing the food and a construct on the tray in the microwave oven, so that the tray is supporting the construct, and the construct is supporting the food, wherein
the construct comprises a susceptor that is supporting the food,the susceptor comprises a layer of microwave interactive material mounted to a support layer,the layer of microwave interactive material is operative for becoming hot when exposed to microwave energy,the support layer is substantially polygonal-shaped, so that the support layer comprises a plurality of edges and a plurality of corners,the food extends substantially to the edges of the support layer,the layer of microwave interactive material comprises a plurality of edges and a plurality of beveled corners that are configured such that the layer of microwave interactive material is generally polygonal-shaped,the layer of microwave interactive material extends substantially to the edges of the support layer, so that the edges of the layer of microwave interactive material are respectively substantially collinear with the edges of the support layer, comprising
the edges of the layer of microwave interactive material respectively being proximate the edges of the support layer, andthe edges of the layer of microwave interactive material respectively extending along the edges of the support layer,the beveled corners of the layer of microwave interactive material are respectively adjacent the corners of the support layer,each beveled corner is inwardly recessed from the respective adjacent corner of the support layer, so that a substantial portion of each of the corners of the support layer is not covered by the layer of microwave interactive material, andthe placing step comprises arranging the construct in a predetermined position on the tray so that each beveled corner is both proximate and inwardly recessed from an outer periphery of the tray; and operating the microwave oven while the construct is in the predetermined position on the tray, so that
the layer of microwave interactive material is exposed to microwave energy and becomes hot,the food is heated substantially to the edges of the support layer by the hot layer of microwave interactive material,the tray is heated by the hot layer of microwave interactive material so that peak thermally induced stresses occur in the tray at locations proximate each beveled corner, andeach of the peak thermally induced stresses is less than a predetermined amount in response to each of the corners of the layer of microwave interactive material being beveled so that each of the corners of the layer of microwave interactive material is inwardly recessed from the outer periphery of the tray. |
