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. 30, 2016
Filed:
Jun. 20, 2014
Applicant:
Shin-etsu Chemical Co., Ltd., Tokyo, JP;
Inventors:
Assignee:
SHIN-ETSU CHEMICAL CO., LTD., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/30 (2006.01); G02F 1/09 (2006.01); C04B 35/50 (2006.01); C04B 35/505 (2006.01); G02F 1/00 (2006.01);
U.S. Cl.
CPC ...
G02F 1/093 (2013.01); C04B 35/50 (2013.01); C04B 35/505 (2013.01); C04B 2235/3224 (2013.01); C04B 2235/3225 (2013.01); G02F 1/0036 (2013.01);
Abstract
An optical isolator for use with a wavelength band of 600-800 nm is improved in that it has a Faraday rotator made of an oxide material in which said oxide material contains (TbR)Osuch that 0.5≦x≦1.0, and R is scandium, yttrium or any lanthanoid but Tb.