Patent · US Active

Efficient atmospheric pressure interface for mass spectrometers and method

US8642949B2 · kind B2 · utility

5Cited by

9References

17Claims

0Family size

Assignee

THERMO FISHER SCIENTIFIC (BREMEN) GMBH · DE

Inventors

Alexander A. Makarov · Bremen, DE
Reinhold Pesch · Weyhe, DE
Robert Malek · Lilienthal, DE
Viacheslav Kozlovskiy · Chernogolovka, RU

Key dates

Filing date	Mar 6, 2012
Grant date	Feb 4, 2014
Priority date	—
Expiry date	Mar 6, 2032

Classification

Technology area (CPC H)Electricity
CPC primaryH01J3/14
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An ion transfer arrangement for transporting ions between higher and lower pressure regions of the mass spectrometer comprises an ion transfer conduit 60. The conduit 60 has an inlet opening towards a relatively high pressure chamber 40 and an outlet 70 opening towards a relatively low pressure chamber. The conduit 60 also has at least one side wall surrounding an ion transfer channel 115. The side wall includes a plurality of apertures 140 formed in the longitudinal direction of the side wall so as to permit a flow of gas from within the ion transfer channel 115 to a lower pressure region outside of the side wall of the conduit 60.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.