The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 23, 2009
Filed:
Dec. 28, 2007
Applicants:
Kensho Sakano, Anan, JP;
Kazuhiko Sakai, Anan, JP;
Yuji Okada, Anan, JP;
Toshihiko Umezu, Anan, JP;
Inventors:
Assignee:
Nichia Corporation, Anan-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for producing a fluorescent material involving firing a mixture of a stock material and a flux. The method may involve a first firing process involving firing the mixture of the stock material and the flux in a weakly reducing atmosphere, followed by firing the resulting material in a second reducing atmosphere that is more reducing than the first weakly reducing atmosphere. The flux may include a liquid.