X-RAY MICRO-BEAM PRODUCTION AND HIGH BRILLIANCE X-RAY PRODUCTION

WIPO Patent Application WO/2017/216555

A3

An x-ray micro-beam radiation production system is provided having: a source of accelerated electrons, an electron focusing component configured to focus the electrons provided by the source, and a target which produces x-rays when electrons impinge thereon from the source. The electron focusing component is configured to focus the electrons provided by the source such that they impinge at a focal spot having a width δ formed on a surface of the target. The focusing component is configured to move the electron beam relative to the target such that the focal spot moves across the target surface in the width direction, and/or the target is movable relative to the focusing component such that the focal spot moves across the target surface in the width direction, the surface velocity of the focal spot across the target surface in the width direction being greater than v t where:formula (I), k, ρ and c denoting respectively the heat conductivity, the density and the heat capacity of the target material, and d denoting the electron penetration depth in the target material.

BARTZSCH STEFAN (GB)
OELFKE UWE (GB)

PCT/GB2017/051733

February 15, 2018

June 14, 2017

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THE INSTITUTE OF CANCER RES ROYAL CANCER HOSPITAL (GB)

H01J35/26

DE19524273A1	1996-01-11
EP2075820A2	2009-07-01
JP2016034373A	2016-03-17

U. GELIUS ET AL: "A high resolution multipurpose ESCA instrument with X-ray monochromator", NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH. SECTION B: BEAM INTERACTIONS WITH MATERIALS AND ATOMS, vol. 1, no. 1, 1 January 1984 (1984-01-01), NL, pages 85 - 117, XP055403658, ISSN: 0168-583X, DOI: 10.1016/0168-583X(84)90482-8

GILL, Stephen et al. (GB)

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