Process for controlling the strike positions of a plurality of e

Details Process for controlling the strike positions of a plurality of e Process for controlling the strike positions of a plurality of e

1990-02-16

1991-01-29

Albritton, C. L.

Electric heating

Metal heating

By arc

21912128, B23K 1500

Patent

active

049888447

ABSTRACT:
The invention pertains to a process for the control of the strike positions of a plurality of electron beams on a melting bath. In this case, the light beams issuing from the surface of the melting bath are sent to a radiation splitter, the separated beams of which, as the case may be, are sent via additional radiation splitters to photoelectric sensors. The output signals of these sensors are sent to a control, which guides the electron beam guns, from which the electron beams issue.

REFERENCES:
patent: 3219435 (1965-11-01), Gruber et al.
patent: 3494804 (1970-02-01), Hanks et al.
patent: 4843246 (1989-06-01), Benes et al.

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