Method for measuring the intensity profile of an electron...

Details Method for measuring the intensity profile of an electron... Method for measuring the intensity profile of an electron...

2005-12-20

2005-12-20

Wells, Nikita (Department: 2881)

Radiant energy

With charged particle beam deflection or focussing

With detector

C250S398000, C250S307000

Reexamination Certificate

active

06977382

ABSTRACT:
To measure the intensity profile of an electron beam the electron beam is conducted on to a measuring structure having areas with different back-scattering properties, and back-scattered electrons which are produced by scanning of the measuring structure by the electron beam by means of a deflector unit are measured by a sensor ring. The measuring structure can preferably be installed into and removed from an electron-beam welder and consists of a graphite slab from which a tungsten needle projects perpendicularly.

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