| 摘要 |
PROBLEM TO BE SOLVED: To perform highly-efficient grill cooking through optimum heater mounting constitution, in a microwave oven with a heater function. SOLUTION: A heating device is constituted that the modulus of infrared radiation of the surface, commonly using a ceiling surface 22 of a heating chamber 18, of wall surfaces of which a partition chamber 33 consists is maximized. This constitution improves a heating efficiency by absorbing heat rays, reflected in the partition chamber 33, by the ceiling surface 22 of the heating chamber 18 and reduces heat carried out from the partition chamber 33, resulting in suppression of the increase of the temperature of the armor of the heating device. Thereby, each cooking is practicable with high efficiency at an optimum heating condition.
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