The invention relates to a method for generating an image using optical coherence tomography, with a control device controlling the operation of an image generation device and a rinsing device automatically according to a predetermined program. A resin container commonly usable for electromagnetic cooking heaters and microwave ovens having an aluminum thin, film on the bottom thereof for storing food therein. The frame has spaced side walls with downwardly facing recessed regions in which the insert is mounted. The substrate is liquid injection molded to form an optical element bonded to the substrate over the semiconductor light emitting device.