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:
Nov. 02, 2010
Filed:
Mar. 31, 2006
Hiromu Watanabe, Yokohama, JP;
Masumi Itou, Yokohama, JP;
Keiichi Seki, Yokohama, JP;
Hiroshi Wada, Yokohama, JP;
Motoyuki Shigeiwa, Yokohama, JP;
Kaoru Terada, Yokohama, JP;
Naoto Kijima, Yokohama, JP;
Hiromu Watanabe, Yokohama, JP;
Masumi Itou, Yokohama, JP;
Keiichi Seki, Yokohama, JP;
Hiroshi Wada, Yokohama, JP;
Motoyuki Shigeiwa, Yokohama, JP;
Kaoru Terada, Yokohama, JP;
Naoto Kijima, Yokohama, JP;
Mitsubishi Chemical Corporation, Tokyo, JP;
Abstract
The present invention provides an alloy powder that is a material for producing inorganic functional materials such as phosphors, a phosphor with high brightness, and a method for producing the phosphor. An alloy powder for an inorganic functional material precursor contains at least one metal element and at least one activating element Mand has a weight-average median diameter Dof 5 μm to 40 μm. A method for producing a phosphor includes a step of heating an alloy, containing two or more metal elements for forming the phosphor, in a nitrogen-containing atmosphere.