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:
May. 21, 2002
Filed:
Jan. 03, 2000
Applicant:
Inventors:
Noriko Watanabe, Omiya, JP;
Tamotsu Sugawara, Omiya, JP;
Genta Masada, Omiya, JP;
Hiroyuki Shiraishi, Omiya, JP;
Yasuhiro Hanaue, Omiya, JP;
Ryuichi Komatsu, Ube, JP;
Tsuyoshi Kajitani, Sendai, JP;
Yasuhiro Ono, Sendai, JP;
Assignee:
Mitsubishi Materials Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/20 ; C01B 1/512 ; H01S 3/10 ;
U.S. Cl.
CPC ...
G02B 5/20 ; C01B 1/512 ; H01S 3/10 ;
Abstract
A borate single crystal which can stably perform light wavelength conversion with high efficiency down to the ultraviolet region is represented by the chemical formula (A O).(B O ) , and is an orthorhombic crystal belonging to the P2 space group, wherein A includes two elements selected from the group consisting of Li, Na, K, Rb, and Cs, and 1.5<x<2.5.