Double focusing mass spectrometers

Details Double focusing mass spectrometers Double focusing mass spectrometers

1986-05-13

1988-02-02

Anderson, Bruce C.

Radiant energy

Ionic separation or analysis

Static field-type ion path-bending selecting means

250297, D01D 5944

Patent

active

047230762

ABSTRACT:
There is provided a mass spectrometer having at least three analyser sectors of the electrostatic or magnetic types, at least one sector being of the electrostatic type and at least one further sector being of the magnetic type. The spectrometer includes a focusing sector array having at least three analyzer sectors, the sectors of the array being dimensioned and positioned so as to cooperate to form a velocity- and direction- focused image. The sectors of the array are dimensioned and positioned as to form no velocity focused image within the array. One sector of said array is disposed adjacent to and between two sectors of the other type.

REFERENCES:
"High-Resolution, Symmetric-Prism Mass Spectrometer", Kel'man et al., Sov. Phys. Tech. Phys., vol. 21, No. 8, Aug. 1976, pp. 979-982, 250-296.
McLafferty, Todd, McGilvery et al, J. Am. Chem. Soc., 1980, vol. 102, pp. 3360-3363.
Russell, McBay, Mueller, International Laboratory, Apr. 1980, pp. 49-59.
Takeda, Shibata, Matsuda, Mass Spectroscopy 1980, vol. 28, (3), pp. 217-226.
Takeshita, I., Rev. Sci. Instrum. 1967, vol. 38, (10), pp. 1361-1367.

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