| abstract |
A method for producing a? -type sialon phosphor having? -type sialon dissolved therein with europium ions, comprising the steps of: mixing a raw material of a? -sialon phosphor; firing a raw material after the mixing step to form a? -sialon phosphor Type sialon phosphors after the sintering step, a HIP treatment step in which the S-type sialon phosphors after the sintering step are subjected to HIP treatment, an annealing treatment step in which an annealing treatment is applied to the? -Sialon phosphors after the HIP treatment step, And a step of performing an acid treatment on the? -Type sialon phosphor. According to this method for producing a? -Type sialon phosphor, a? -Type sialon phosphor excellent in light emission intensity can be obtained. |