| 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. The light-emitting layer includes : a polycrystalline film comprising an oxide polycrystal that contains Lu and Si to which an activator has been added; or a polycrystalline film comprising a rare earth-containing aluminum garnet polycrystal to which an activator has been added. |
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