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:
Aug. 24, 1993
Filed:
May. 28, 1991
Applicant:
Inventors:
Assignee:
National Institute for Research in Inorganic Materials, Tsukuba, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C30B / ;
U.S. Cl.
CPC ...
156615 ; 156604 ; 156D / ; 156D / ;
Abstract
The present invention relates to a lanthanum boride type single crystal having the chemical formula (La.sub.1-x M.sub.x)B.sub.6 (0.01.ltoreq.x.ltoreq.0.50) wherein M is at least one rare earth element selected from the group consisting of Ce, Pr, Nd, Sm and Gd, and further relates to a method for growing a lanthanum boride type single crystal by fusion method, which comprises using a lanthanum boride starting material containing from 1 to 50 mol % of at least one rare earth boride selected from the group consisting of CeB.sub.6, PrB.sub.6, NdB.sub.6, SmB.sub.6 and GdB.sub.6.