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. 22, 2007
Filed:
Nov. 24, 2004
Naritoshi Kanai, Bunkyo-ku, JP;
Isao Shimoyama, Nerima-ku, JP;
Kiyoshi Matsumoto, Nakano-ku, JP;
Kazunori Hoshino, Shibuya-ku, JP;
Naritoshi Kanai, Bunkyo-ku, JP;
Isao Shimoyama, Nerima-ku, JP;
Kiyoshi Matsumoto, Nakano-ku, JP;
Kazunori Hoshino, Shibuya-ku, JP;
Aisin Seiki Kabushiki Kaisha, Kariya-shi, JP;
Abstract
A surface plasmon resonance sensor comprises a prism having parallel surfaces, a light source provided on one surface of the prism, a detecting means provided on the same surface where the light source is provided, a metal thin film provided on the other surface of the prism, and at least one of light absorbing members provided in the prism for blocking light emitted from the light source at any angle except a predetermined angle so that the metal thin film is illuminated by the light emitted from the light source at the predetermined angle, and such light is totally reflected at the metal thin film so as to reach the detecting means.