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. 14, 2025
Filed:
Mar. 17, 2022
Shimadzu Corporation, Kyoto, JP;
SHIMADZU CORPORATION, Kyoto, JP;
Abstract
In order to improve the ionization efficiency and ion collection efficiency in an ESI ion source to achieve a higher level of analysis sensitivity while improving the throughput of the analysis, one mode of the present invention provides an ion analyzer equipped with an ion source employing an electrospray ionization method, where the ion source () includes: a plurality of capillaries (-) configured to spray a supplied liquid sample in the same direction; one or more auxiliary electrodes (-) arranged so as to be surrounded by the plurality of capillaries; and a voltage supplier () configured to apply, to the plurality of capillaries, a DC high voltage for which the potential of the one or more auxiliary electrodes is used as a reference.