Ion detector

Radiant energy – Ionic separation or analysis

Reexamination Certificate

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Details

C250S287000, C250S397000

Reexamination Certificate

active

10734055

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.

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Combined Search and Examination Report under Section 17 and 18(3), The Patent Office, dated Apr. 8, 2005.
Office action issued by Deutsches Patent-und Markenamt (German patent and trademark office), dated Jun. 23, 2005, for German Application No. 103 57 489.0-54.

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