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US 3,937,966 AGranted
Accelerator beam profile analyzer
AssigneeThe United States of America as represented by the United States Energy Research and Development Administration
InventorsJulius B. Godel, Marcel Guillaume, Richard M. Lambrecht, Ronald Withnell
Life of this patent
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Abstract
A beam profile analyzer employing sector or quadrant plates each servo controlled to outline the edge of a beam.
Claims5
Apparatus for defining edges of a beam of subatomic particles along axes transverse to the directional axis of said beam comprising:
- a. multiple quadrant plate means independently movable along each of said transverse axes;
- b. means for measuring current flowing out of each of said plate means caused by impingement of said beam on each of said plate means;
- and
- c. means for moving each of said plate means along each said transverse axis until current flow reaches predetermined values indicating a predetermined point on the outer edges of said beam along said transverse axes thereby defining the extent of said beam along said transverse axes.
1 more element
Dependencies are inferred from the claim text.