Radiant energy – Ionic separation or analysis – Static field-type ion path-bending selecting means
Patent
1975-12-15
1976-10-12
La Roche, Eugene
Radiant energy
Ionic separation or analysis
Static field-type ion path-bending selecting means
250283, 250397, 250489, B01D 5944
Patent
active
039860248
ABSTRACT:
An arrangement for the electrical detection of ions for mass spectroscopic etermination of the mass values and of the mass intensities, in which a channel multiplier plate has a number of electron multipliers of minimum dimension, and is located behind the exit gap of the magnet of the mass spectroscopic device for capturing ions focused in the focal plane of the spectroscopic device. The electrons emanating from the channel multiplier plate and emitted off by ions of different mass in the electron multipliers, are captured and the signals generated by the collected electrons are transmitted to a recorder. Wires located behind and along the channel multiplier plate, capture the electrons and transmit the signals generated by the electrons, to the recorder. The wires are perpendicular to the direction of the electron multipliers, and perpendicular to the lengthwise direction of the exit gap. The wires are isolated from each other and do not contact one another. The wires have surfaces facing the channel multiplier plate to serve as collecting surfaces for the electrons. An amplifier is connected to each wire for amplifying the current pulses generated by the electrons in the wires.
REFERENCES:
patent: 3691382 (1972-09-01), Somer
patent: 3946227 (1976-03-01), Bingham
Fogiel Max
Kernforschungsanlage Julich Gesellschaft mit beschrankter Haftun
La Roche Eugene
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