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:
Mar. 26, 2019

Filed:

May. 27, 2013
Applicant:

Hitachi, Ltd., Tokyo, JP;

Inventor:

Minoru Sakairi, Tokyo, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 27/70 (2006.01); G01N 33/497 (2006.01); G01N 23/22 (2018.01); G01N 27/62 (2006.01);
U.S. Cl.
CPC ...
G01N 33/4972 (2013.01); G01N 23/22 (2013.01); G01N 27/70 (2013.01); G01N 27/622 (2013.01);
Abstract

There is no small ion detecting apparatus that quickly and easily performs mass spectrometry under atmospheric pressure. Therefore, in order to solve the problem, an electrode arrangement and an electrode holding form for enabling water clusters in outside air to be detected with high sensitivity are provided. By using such solving means, it is possible to detect ions in a place having spatial constraints.


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