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.

Date of Patent:
Aug. 28, 2018

Filed:

Jun. 22, 2016
Applicant:

Konica Minolta, Inc., Chiyoda-ku, Tokyo, JP;

Inventors:

Hiroshi Umetsu, Tachikawa, JP;

Yoshihiro Okumura, Toyohashi, JP;

Takehiko Goshima, Kunitachi, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01J 1/58 (2006.01); G02B 5/04 (2006.01); G01N 21/64 (2006.01); G02B 5/00 (2006.01); G02B 1/04 (2006.01);
U.S. Cl.
CPC ...
G02B 5/04 (2013.01); G01N 21/648 (2013.01); G02B 1/04 (2013.01); G02B 5/008 (2013.01);
Abstract

A prism used in analysis utilizing surface plasmons is prism of a dielectric medium with a predetermined reflective index. Trapezoidal prism comprises an incident surface on which excitation light is incident from outside, a reflective surface at which the excitation light incident on the incident surface is reflected, an emission surface from which the excitation light reflected by the reflective surface is emitted; and an opposite surface which opposes the reflective surface. The opposite surface is a recessed sink mark surface.


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