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:
Jul. 29, 2003
Filed:
Aug. 21, 2001
Applicant:
Inventors:
Yuko Ueno, Tama, JP;
Tsutomu Horiuchi, Atsugi, JP;
Takashi Morimoto, Kawasaki, JP;
Osamu Niwa, Atsugi, JP;
Assignee:
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 1/10 ;
U.S. Cl.
CPC ...
G01N 1/10 ;
Abstract
A micro-fluidic cell for optical detection of gases provided according to the present invention includes a concentration cell and a detection cell, and increases the sensitivity of optical detection of gases, selectivity of components, and accuracy of quantitative determination, and also achieves a low electric power consumption and a small-sized, light-weight configuration of the entire apparatus.