Patent · US Expired

Ion detector

US7157697B2 · kind B2 · utility

1Cited by
10References
92Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 11, 2003
Grant dateJan 2, 2007
Priority date
Expiry dateMay 4, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01J43/246
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An ion detector for a mass spectrometer is disclosed comprising one or more microchannel plates and an anode arranged to receive electrons emitted from the one or more microchannel plates. The anode preferably has a smaller diameter than the microchannel plates and is preferably arranged at a distance of at least 15 mm from the microchannel plates. One or more focusing lenses may be provided intermediate the microchannel plates and the anode. The anode preferably comprises two portions separated by an electrically insulated layer.

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