Parallel plate electrode arrangement apparatus and method

Details Parallel plate electrode arrangement apparatus and method Parallel plate electrode arrangement apparatus and method

2006-05-22

2011-11-29

Maskell, Michael (Department: 2881)

Radiant energy

With charged particle beam deflection or focussing

Magnetic lens

C250S281000, C250S282000, C250S290000, C250S292000

Reexamination Certificate

active

08067747

ABSTRACT:
A system for guiding an ion beam along an axis (Z), comprises at least one section having upper flat plate strip electrodes (Iu,2u, 3u, 4uand5u) and lower flat plate strip electrodes (Id,2d, 3d, 4dand5d) for producing at least one electric field of substantially symmetric in a parallel direction and substantially antisymmetric in a perpendicular direction with respect to a plane including a beam axis and a fringe-field boundary that is located at the end of the at least one section.

REFERENCES:
patent: 7012250 (2006-03-01), Aksyuk et al.
H. Wollnik, “Optics of Charged Particles”, 1987, pp. 48-89, Academic. Press, Orlando.
G. Eiceman, et al., 2ndEd. “Ion Mobility Spectrometry” Part II, 2006, pp. 116-240, Taylor & Francis, CRC-Press, Boca Raton.
P.H. Dawson, “Quadrupole Mass Spectrometry and its Application”, Chapter II, 1976, pp. 9-63, Elsevier, Amsterdam.

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