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:
May. 20, 2025
Filed:
Aug. 11, 2020
Shimadzu Corporation, Kyoto, JP;
Kohei Hosoo, Kyoto, JP;
SHIMADZU CORPORATION, Kyoto, JP;
Abstract
A mass spectrometer includes: a first ion guide disposed in a first intermediate vacuum chamber; a first partition wall portion which constitutes at least a part of a partition wall separating the first intermediate vacuum chamber and a second intermediate vacuum chamber and has an ion passage hole; a second ion guide disposed in a second intermediate vacuum chamber; a second partition wall portion which constitutes at least a part of a partition wall which is a subsequent stage of the second intermediate vacuum chamber and has an ion passage hole; a first holding portion configured to integrally hold the first ion guide and the first partition wall portion; a second holding portion configured to hold the second ion guide; a coupling portion detachably connecting the first holding portion and the second holding portion; and a vacuum chamber main body portion to which an ion transport unit is detachably mounted.