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:
Mar. 22, 2005
Filed:
Oct. 31, 2002
Applicants:
In-gann Chen, Tainan, TW;
Yu-lin Chen, Tainan, TW;
Chii-shyang Hwang, Tainan, TW;
Inventors:
Assignee:
National Cheng Kung University, Tainan, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K011/80 ;
U.S. Cl.
CPC ...
Abstract
The present invention pertains to a process for synthesizing nano-scale yttrium aluminum garnet (YAG) fluorescent powders having formula (I):(YR)(AlR)O  (I)wherein Rand Rare independently selected from the elements consisting of rare earth metals and transition metals, and each of x and y is independently a value between 0 and 1.5, where the process comprises the steps: