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:
Jan. 16, 2024
Filed:
Feb. 15, 2019
Applicant:
Shimadzu Corporation, Kyoto, JP;
Inventors:
Ryo Kageyama, Kyoto, JP;
Takeshi Uchida, Kyoto, JP;
Masaru Nishiguchi, Kyoto, JP;
Manabu Shimomura, Kyoto, JP;
Assignee:
SHIMADZU CORPORATION, Kyoto, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 30/72 (2006.01); H01J 49/24 (2006.01); G01N 30/02 (2006.01);
U.S. Cl.
CPC ...
G01N 30/7206 (2013.01); H01J 49/24 (2013.01); G01N 2030/025 (2013.01);
Abstract
A mass spectrometry device includes a vacuum container in which an ionizer, a mass separator and a detector are arranged, and includes an opening-closing portion that is provided at the vacuum container and switches between a locked state of being locked in a close state and an unlocked state by a difference in pressure between inside and outside of the vacuum container, and a cooling gas introducer that introduces a cooling gas for cooling the ionizer into the vacuum container such that the opening-closing portion is kept in the locked state.