Electron beam stop analyzer

Details Electron beam stop analyzer Electron beam stop analyzer

1995-02-23

1998-02-03

Regan, Maura K.

Electricity: measuring and testing

Determining nonelectric properties by measuring electric...

Beam of atomic particles

250396, G01R 3102

Patent

active

057148759

ABSTRACT:
An electron beam stop for use with high power electron beam accelerators can be used to measure beam parameters including energy, current, scan width, scan offset and scan uniformity. The beam stop is split in two segments in the direction of electron travel, with the first segment closest to the beam source absorbing a portion of the electrons incident thereon and the second segment farthest from the beam source absorbing all of the electrons that pass through the first segment. The ratio of charges deposited in the two segments is a sensitive index of the energy of the primary electrons, i.e., a measure of beam energy. The sum of the charges in the two segments is a direct measure of the number of electrons incident on the absorbing medium, i.e., a measure of the beam current.

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