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:
Jul. 15, 2025
Filed:
Aug. 20, 2021
University of Tsukuba, Ibaraki, JP;
National Institute of Advanced Industrial Science and Technology, Tokyo, JP;
Daico Mfg Co., Ltd., Kyoto, JP;
Hiroaki Kumada, Ibaraki, JP;
Naoyuki Kitamura, Osaka, JP;
Tetsuyuki Nakamura, Kyoto, JP;
Takeshi Ikeda, Kyoto, JP;
DAICO MFG CO. LTD., Kyoto, JP;
UNIVERSITY OF TSUKUBA, Ibaraki, JP;
NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, Tokyo, JP;
Abstract
As a sintered body for a radiation shielding material, which can effectively shield mainly low-energy-level neutrons, that is, thermal neutrons and lower, slow neutrons, and has excellent physical properties such as bending strength and Vickers hardness, leading to high machining strength, a sintered body for a radiation shielding material comprising LiF ranging between 99 wt. % to 5 wt. %, and one or more fluorides selected from among MgF, CaF, AlF, KF, NaF, and/or YFranging between 1 wt. % to 95 wt. %, having physical properties of a relative density of 92% or more, a bending strength of 50 MPa or more, and a Vickers hardness of 100 or more, is provided.