Patent ID: 9390881
Filing Date: 2016-07-12
CPC Classification: G21K,H01J

Claim Text:
1. An x-ray source comprising: a vacuum chamber; a first window transparent to x-rays attached to the wall of the vacuum chamber; and, within the vacuum chamber, one or more electron emitters; and a plurality of x-ray targets; with each target comprising a material selected for its x-ray generating properties, and in which at least one dimension of said material is less than 20 microns; and in which said one or more electron emitters and said plurality of x-ray targets are aligned such that bombardment of electrons on said x-ray targets produces x-ray sub-sources such that said sub-sources are aligned along an axis that passes through the first window; and additionally comprising: at least one x-ray imaging optical element, said x-ray imaging optical element positioned such that x-rays generated by one of said x-ray sub-sources are collected by said x-ray imaging optical element and focused onto a position corresponding to one of the other x-ray sub-sources.