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:
Jan. 26, 2010
Filed:
Oct. 10, 2006
Applicants:
Hidetaka Jidai, Sakai, JP;
Iwao Usui, Kawachinagano, JP;
Toshiya Kawanishi, Hashimoto, JP;
Inventors:
Assignee:
Konica Minolta Opto, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 27/14 (2006.01); G02B 1/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A non-polarizing beam splitter has a first prism; one or more ground layer(s) made of a dielectric material which is (are) formed on a slant face of the first right angle prism; an Au layer having thickness of 13 to 35 nm which is formed on the ground layer; one or more protective layer(s) made of a dielectric material which is (are) formed on the Au layer; and a second prism which is jointed to an outermost layer of the protective layer via adhesive. The non-polarizing beam splitter divides light at wavelength of 640 nm to 820 nm into transmission light and reflection light by a predetermined ratio.