Back to results
US 10,093,855 B2Granted
Method for producing beta-sialon fluorescent material
AssigneeNichia Corporation
InventorsKenichi Aoyagi, Takashi Kaide, Motoharu Morikawa, Shoji Hosokawa
Life of this patent
Estimating the term…
Abstract
A method for producing a β-sialon fluorescent material is provided. The method includes heat-treating a mixture containing an aluminum 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.
Claims11
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.
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;
- further heat-treating the first heat-treated product to obtain a further heated first heat-treated product;
- and
- heat-treating the further heated first heat-treated product with the second europium compound in a rare gas atmosphere to obtain a second heat-treated product.
1 more element
Dependencies are inferred from the claim text.