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US 2016/0355731 A1Published application
Method for producing beta-sialon fluorescent material
AssigneeNichia Corporation
InventorsKenichi AOYAGI, Takashi KAIDE, Motoharu MORIKAWA, Shoji HOSOKAWA
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Abstract
A method for producing a β-sialon fluorescent material is provided. The method includes heat-treating a mixture containing an aluminium compound, a first europium compound, and silicon nitride to obtain a first heat-treated product; and heat-treating the first heat-treated product with a second europium compound in a rare gas atmosphere to obtain a second heat-treated product.
Claims12
A method for producing a β-sialon fluorescent material, the method comprising:
- heat-treating a mixture containing an aluminium compound, a first europium compound, and silicon nitride to obtain a first heat-treated product;
- and
- heat-treating the first heat-treated product with a second europium compound in a rare gas atmosphere to obtain a second heat-treated product.
Dependencies are inferred from the claim text.