| 摘要 |
PURPOSE:To permit to illuminate simply and obtain sterilizing effect by a method wherein a fluorescent substance is coated on one part of a non-electrode low pressure mercury lamp, made of a material such as silica glass or the like which permeates ultraviolet, and the substance is emitted by magnetron. CONSTITUTION:The non-electrode low pressure mercury lamp 10 is made by a silica glass bulb 11, permeating serilizing rays, and one part thereof is coated by the fluorescent substance 12 while illuminating light is emitted from the surface coated with the fluorescent substance 12 and the sterilizing rays are projected from the surface without coating. The illuminating light illuminates a food under cooking and the sterilizing rays project the upper and side surfaces of the inside 8 of the oven. The fluorescent substance 12 is coated on the parts of the silica glass bulb 11 of the non-electrode low pressure mercury lamp 10 annularly and discontinuously and, whereby, the inside of the range may be illuminated uniformly. |
