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. 27, 1996
Filed:
Jan. 28, 1994
Applicant:
Inventors:
Yasuto Miyazawa, Tsukuba, JP;
Masami Sekita, Tsukuba, JP;
Shoji Morita, Yokohama, JP;
Hideyuki Sekiwa, Takahagi, JP;
Assignee:
National Institute for Research in Inorganic Materials, Tsukuba, JP;
Primary Examiner:
Int. Cl.
CPC ...
C30B / ;
U.S. Cl.
CPC ...
117 13 ; 117 37 ; 117 48 ; 117 77 ; 117950 ; 2523 / ; 2523 / ;
Abstract
A method for producing a single crystal or polycrystal of terbium aluminate containing at least terbium, aluminum and oxygen and represented by the formula Tb.sub.1-x Al.sub.1+x O.sub.3 wherein -0.5.ltoreq.x.ltoreq.0.5, which comprises growing the single crystal or polycrystal using a reducing gas atmosphere or a neutral gas atmosphere as an atmosphere for crystal growth.