Betatron with a contraction and expansion coil
AssigneeSmiths Heimann GmbH
InventorsJoerg Bermuth, Georg Geus, Gregor Hess, Urs Viehboeck
Life of this patent
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Abstract
A betatron, especially in X-ray testing apparatus is provided, that includes a rotationally symmetrical inner yoke having two interspaced parts, an outer yoke connecting the two inner yoke parts, at least one main field coil, a toroidal betatron tube arranged between the opposing front sides of the inner yoke parts, and at least one contraction and expansion coil. An individual CE coil is respectively arranged between the front side of the inner yoke part and the betatron tube, and the radius of the CE coil is essentially the same as the nominal orbital radius of the electrons in the betatron tube.
Claims12
A betatron for an x-ray inspection system, the betatron comprising:
- a rotationally symmetric inner yoke having two spaced-apart parts;
- an outer yoke connecting the two inner yoke parts;
- at least one main field coil;
- a torus-shaped betatron tube arranged between opposing front sides of the inner yoke parts;
- and
- at least one contraction and expansion coil, whereby in each case precisely one contraction and expansion coil is arranged between a front side of an inner yoke part and the betatron tube, wherein the radius of the contraction and expansion coil is substantially the same as the nominal orbit radius of the electrons in the betatron tube, and wherein each contraction and expansion coil is configured to perform both contraction and expansion of the electron orbit radius.
An x-ray inspection system for security inspection of objects, comprising:
- a target to produce x-radiation;
- an x-ray detector;
- an evaluation unit;
- and
- a betatron, the betatron comprising:
- a rotationally symmetric inner yoke having two spaced-apart parts;
- an outer yoke connecting the two inner yoke parts;
- at least one main field coil;
- a torus-shaped betatron tube arranged between opposing front sides of the inner yoke parts;
- and
- at least one contraction and expansion coil, whereby in each case precisely one contraction and expansion coil is arranged between a front side of an inner yoke part and the betatron tube, wherein the radius of the contraction and expansion coil is substantially the same as the nominal orbit radius of the electrons in the betatron tube, and wherein each contraction and expansion coil is configured to perform both contraction and expansion of the electron orbit radius.
Dependencies are inferred from the claim text.