초록 ▼

A container for containing a material to be heated in a microwave oven, having at least one stepped structure protruding into or out of the container from a surface thereof, this structure including a side wall or side walls that define boundary conditions that generate a microwave field pattern wit

A container for containing a material to be heated in a microwave oven, having at least one stepped structure protruding into or out of the container from a surface thereof, this structure including a side wall or side walls that define boundary conditions that generate a microwave field pattern within the container having a higher order than that of the fundamental mode of the container.

대표청구항 ▼

A package of material to be heated in a microwave oven, comprising a container and a body of material to be heated disposed in said container, said container including at least one sidewall and a bottom, said container and said body defining fundamental modes of microwave energy in said container, s

A package of material to be heated in a microwave oven, comprising a container and a body of material to be heated disposed in said container, said container including at least one sidewall and a bottom, said container and said body defining fundamental modes of microwave energy in said container, said container being provided with mode generating means for generating, within the container, at least one microwave energy mode of a higher order than that of said fundamental modes when said package is irradiated with microwave energy in a microwave oven, wherein the improvement comprises said mode generating means comprising at least one stepped structure protruding into said container from a surface thereof, said structure including at least one sidewall dimensioned and positioned with respect to the body of material in the container to define boundary conditions for causing microwave energy in said at least one higher order mode to propagate into the body of material to thereby locally heat the body of material.