Abstract:
Provided is a glass composition for a ceramic phosphor plate, including: 75 to 85 mol % of an oxide mixture composed of SiO2, B2O3 and ZnO; 10 to 15 mol % of at least one carbonate compound including an alkali metal; and 1 to 5 mol % of Al2O3, wherein a content of B2O3 is less than 25 mol %.
Abstract translation:本发明提供一种陶瓷荧光体板用玻璃组合物,其包含:由SiO 2,B 2 O 3和ZnO构成的氧化物混合物的75〜85摩尔% 10〜15摩尔%的至少一种包含碱金属的碳酸酯化合物; 和1〜5mol%的Al 2 O 3,其中B 2 O 3的含量小于25mol%。
Abstract:
A ferrite core according to an embodiment of the present invention includes a plurality of grains including Mn at 30 to 40 mol %, Zn at 5 to 15 mol %, and Fe at 50 to 60 mol %, and a plurality of grain boundaries disposed between the plurality of grains, wherein the plurality of grains and the plurality of grain boundaries include Co, Ni, SiO2, CaO, and Ta2O5, content of the Co and the Ni in the plurality of grains is two or more times higher than content of the Co and the Ni in the plurality of grain boundaries, content of the SiO2, the CaO, and the Ta2O5 in the plurality of grain boundaries is two or more times higher than content of the SiO2, the CaO, and the Ta2O5 in the plurality of grains, a magnetic permeability is 3000 or more, and a core loss is 800 or less.