| 摘要 |
PROBLEM TO BE SOLVED: To provide an ultraviolet irradiation apparatus, which rapidly makes an exchange of lamps and can easily obtain the desired illuminance and the desired illuminance distribution, and to provide the irradiation unit of the ultraviolet irradiation apparatus. SOLUTION: An ultraviolet irradiation apparatus is an ultraviolet irradiation apparatus for irradiating a work with ultraviolet rays, a lamp for radiating light including the ultraviolet rays and a mirror for reflecting light from the lamp are provided on a holding member, a guide part is provided within a light irradiation box of the apparatus, the holding member provided with the lamp and the mirror is housed within the light irradiation box along the guide part and is fixed within the box.
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