Process and apparatus for varying the deflection of the path of

Details Process and apparatus for varying the deflection of the path of Process and apparatus for varying the deflection of the path of

1983-07-26

1986-01-14

Anderson, Bruce C.

Radiant energy

With charged particle beam deflection or focussing

Magnetic lens

G21K 108, H01J 300

Patent

active

045647631

ABSTRACT:
Process and apparatus for varying the deflection of the path of a charged particle beam over a path of length l in a space volume V, where there is a magnetic induction B (x,y,z), wherein a relative displacement of volume V with respect to the beam is produced in such a way as to vary the magnitude .intg.BDl calculated along the path and characterizing the deflection undergone by the beam on passing through volume V. In some of the embodiments rotating magnetic pole pieces are employed to vary the path. Fixed inclined faced pole pieces are also employed.

REFERENCES:
patent: 3021445 (1962-02-01), Wideroe et al.
patent: 3671737 (1972-06-01), Hull
patent: 3671895 (1972-06-01), Aucouturier et al.
IBM Technical Disclosure Bulletin, vol. 19, No. 9, Feb. 1977, J. R. Winnard: "Ion-Beam Scanning by Magnetic Means", pp. 3411-3412.
Nuclear Instruments and Methods, vol. 189, No. 1, Oct. 1981, P. R. Hanley: "Electromagnetic Scanning Systems", pp. 227-237.

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