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:
Feb. 23, 2021
Filed:
Mar. 10, 2020
Applicant:
Shimadzu Corporation, Kyoto, JP;
Inventors:
Assignee:
SHIMADZU CORPORATION, Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 49/00 (2006.01); H01J 49/08 (2006.01); H01J 49/04 (2006.01);
U.S. Cl.
CPC ...
H01J 49/08 (2013.01); H01J 49/0422 (2013.01);
Abstract
A mass spectrometer, includes: a sampling probe that irradiates a specimen disposed in the atmosphere with an electron and obtains a sample separated from the specimen; and a measurement unit that performs mass spectrometry of the sample obtained by the sampling probe, wherein the sampling probe comprises: a casing having an opening which is opened to the atmosphere and an outlet through which the sample is discharged to the measurement unit; and a surface emission type electron emission element housed in the casing such that an electron emission surface thereof opposes to the opening.