Device for electron-beam heating of materials

Details Device for electron-beam heating of materials Device for electron-beam heating of materials

1977-05-02

1978-08-08

Reynolds, Bruce A.

Electric heating

Metal heating

By arc

313431, 330 47, B23K 900

Patent

active

041058909

ABSTRACT:
A device for electron-beam heating of materials comprises an electron gun and an electromagnetic electron beam control system with a rectangular magnetic circuit. The opposite rods of the magnetic circuit accommodate beam deflection windings as well as beam correction and spreading windings. An additional winding is also provided on each magnetic circuit rod. The magnetic fields created by the current flowing through said additional windings form a magnetic quadrupole lens. The device permits manipulating the electron beam so as to obtain a sufficiently long and narrow focal spot on the surface being heated, and also the beam deflection angles range from 0.degree. to 45.degree..

REFERENCES:
patent: 3373310 (1968-03-01), Worcester
patent: 3555347 (1971-01-01), Dickinson
patent: 3900736 (1975-08-01), Michail et al.

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