| 简介 |
A target for ultraviolet light generation is provided with a substrate that allows ultraviolet light to pass through and a light-emitting layer that is provided on the substrate and that receives an electron beam and generates ultraviolet light (UV). The light-emitting layer comprises a rare earth-containing aluminum garnet crystal that is in powder or granular form and that has an activator added thereto. The ultraviolet light emission peak wavelength of the light-emitting layer is 300 nm or less. |
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