| 摘要 |
As an adhering method capable of simply and easily adhering materials transparent to short-wavelength ultraviolet light, particularly quartz glass plates, with each other at room temperature and ensuring transmission of light to a short-wavelength limit inherent in quartz glass or the like, an alkoxide is used as the adhesive material and by irradiating ultraviolet light on the adhering portion, two materials are adhered. By adhering quartz glass plates in the lateral direction, a larger-area quartz glass plate can be produced. The larger-area quartz glass plate can be used as a window for separating the light source part and the cleaning chamber of a photo-cleaning apparatus. <IMAGE>
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