| 摘要 |
PROBLEM TO BE SOLVED: To provide an ultraviolet sensing sheet that facilitates measurement of an ultraviolet irradiation quantity in a large area and is appropriate for ultraviolet quantity measurement in a range of 1 mJ/cmto 1000 mJ/cm, and to provide a method of manufacturing the sheet and an ultraviolet sensing method.SOLUTION: The reflection concentration change &Dgr;D1 for which the integral illuminance measured at a wavelength of 365 nm when irradiation is performed by a high-pressure mercury lamp is in the range of 1 mJ/cmor more and less than 10 mJ/cm, the reflection concentration change &Dgr;D2 in the range of 10 mJ/cmor more and less than 100 mJ/cm, and the reflection concentration change &Dgr;D3 in the range of 100 mJ/cmor more and 1000 mJ/cmor less are 0.2 or more, respectively. |
