PROBLEM TO BE SOLVED: To enhance sterilization capability by increasing the corrosion resistance of a treatment chamber and the ultraviolet light intensity in the treatment chamber.SOLUTION: An ultraviolet sterilization device 10 comprises: a treatment chamber 12 to house an object to be sterilized and a light source 40 to irradiate the interior of the treatment chamber 12 with ultraviolet light. The treatment chamber 12 has a wall of a laminate structure 30 that comprises a first layer 31 made of a fluorine-based resin material and a second layer 32 made of a material having an ultraviolet reflecting property, the laminate structure 30 having the first layer 31 disposed to face the interior of the treatment chamber 12. The light source 40 may include an aluminum gallium nitride (AlGaN)-based ultraviolet light-emitting element.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2018,JPO&INPIT【課題】処理室の耐腐食性および処理室内の紫外光強度を高めて殺菌能力を向上させる。【解決手段】紫外光殺菌装置10は、殺菌対象を収容する処理室12と、処理室12内に紫外光を照射する光源40とを備える。処理室12の壁は、フッ素系樹脂材料の第1層31と、紫外光反射性を有する材料の第2層32とを含む積層構造30であって、第1層31が処理室12の内側となる積層構造30を有する。光源40は、窒化アルミニウムガリウム(AlGaN)系の紫外光発光素子を含んでもよい。【選択図】図1
