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:
Nov. 08, 2022

Filed:

Feb. 06, 2018
Applicant:

Shimadzu Corporation, Kyoto, JP;

Inventor:

Masaru Nishiguchi, Kyoto, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 49/14 (2006.01); H01J 49/04 (2006.01); H01J 49/40 (2006.01); H01J 49/42 (2006.01); H01J 27/20 (2006.01);
U.S. Cl.
CPC ...
H01J 49/147 (2013.01); H01J 27/205 (2013.01); H01J 49/0422 (2013.01); H01J 49/401 (2013.01); H01J 49/4215 (2013.01);
Abstract

An ionizerincluding an ionization chamber, a sample gas introduction portprovided in the ionization chamberfor introducing sample gas, an electron beam emitting sectionwhich emits an electron beam toward the ionization chamber, electron beam passage openingsandwhich are formed on a path of the electron beam emitted from the electron beam emitting sectionon a wall of the ionization chamberand has a length in a direction of the path longer than a width of a cross section orthogonal to the direction, and an ion outletprovided in the ionization chamberfor emitting an ion of the sample gas generated by irradiation with the electron beam, and a mass spectrometerincluding the ionizer


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