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:
Feb. 03, 2009
Filed:
Feb. 02, 2005
Young Woo Rhee, Daejeon, KR;
Keon Sik Kim, Daejeon, KR;
Jong Hun Kim, Daejeon, KR;
Ki Won Kang, Daejeon, KR;
Jae Ho Yang, Daejeon, KR;
Kun Woo Song, Daejeon, KR;
Youn Ho Jung, Daejeon, KR;
Young Woo Rhee, Daejeon, KR;
Keon Sik Kim, Daejeon, KR;
Jong Hun Kim, Daejeon, KR;
Ki Won Kang, Daejeon, KR;
Jae Ho Yang, Daejeon, KR;
Kun Woo Song, Daejeon, KR;
Youn Ho Jung, Daejeon, KR;
Abstract
A method for fabricating a sintered duplex nuclear fuel pellet includes the steps of: preparing a first powder composed of a material selected from the group consisting of UOand UO—ErO, and a second powder composed of UO—GdOand a sintering additive; producing a duplex compact consisting of an annular outer portion composed of the first powder and a cylindrical inner portion composed of the second powder; and sintering the duplex compact under a reducing gas atmosphere, wherein the sintering additive contains manganese of 0.001% to 2% by weight based on the total weight of the cylindrical inner portion.