Patent Number: 
Section: claims

1. An anti-scatter X-ray raster, for placing between a radiation detector and an object under study, said anti-scatter X-ray raster comprising: a plurality of channels for X-ray transporting connected together to form a cellular structure, walls of the said channels comprising a material capable of absorbing X-rays, wherein said channels are tubular with the orientation of the walls of all said channels being in a same in a longitudinal direction and the walls are in a form of cylindrical surface or a lateral surface of a prism and form a honeycomb structure and the walls of the neighboring channels are fused with each other; and  an input end of said channels and an output end of said channels, wherein the input end and output end of the said channels are placed in two parallel planes, being perpendicular to the longitudinal direction of the said channels,  wherein the largest cross size d of a single channel and its length H meet a relationship 2d/H greater than xcex8 c  where xcex8 c = p /E is the critical angle of total external reflection of X-rays from the walls of the channels transporting X-rays, for the material of the walls,  xcfx89 p  is the plasma frequency of the material of the channels"" walls,  E is energy of radiation quanta. 2. A raster according to  claim 1 , wherein the walls of the channels for X-ray transporting comprise lead glass. claim 1 3. A raster according to  claim 1 , wherein the walls of the channels for X-ray transporting comprise metal. claim 1 4. A raster according to  claim 1 , wherein the walls of the channels for X-ray transporting comprise heavy metal. claim 1 5. A raster according to  claim 1 , wherein the walls of the channels for X-ray transporting comprise a dielectric. claim 1 6. A raster according to  claim 1 , wherein the channels for X-ray transporting are hollow. claim 1 7. A raster according to  claim 1 , wherein the channels for X-ray transporting are filled with light metal. claim 1 8. A raster according to  claim 1 , wherein the channels for X-ray transporting are filled with an organic material. claim 1 9. A raster according to  claim 1 , wherein the channels for X-ray transporting are formed of glass mono or polycapillaries. claim 1 10. A raster according to  claim 9 , wherein the walls of the channels for X-ray transporting comprise lead glass. claim 9 11. A raster according to  claim 1 , wherein said raster comprises a parallelepiped cells, formed by the channels. claim 1 12. An anti-scatter X-ray raster, for placing between a radiation detector and an object under study, said raster comprising: a plurality of tubular channels for X-ray transporting, walls of said tubular channels comprising a material capable of absorbing X-rays, wherein an orientation of said walls of said tubular channels changes from the center of the raster to a periphery of the raster, wherein said walls of said tubular channels form truncated cones or truncated pyramids with a common top and form a honeycomb structure, said walls of the neighboring channels are fused with each other;  inputs and outputs of said channels are placed on two concentric spherical surfaces with a center coinciding with said common top of the truncated cones or truncated pyramids, the walls of neighboring channels are spliced with each other such that the largest cross size d of a single channel for and its length H meet a relationship 2d/H greater than xcex8 c ,  where xcex8 c = p /E is the critical angle of total external reflection of X-rays from the walls of the channels transporting X-rays, for the material of the walls,  xcfx89 p  is the plasma frequency of the material of the channels"" walls,  E is energy of radiation quanta. 13. A raster according to  claim 12 , wherein the walls of the channels for X-ray transporting comprise lead glass. claim 12 14. A raster according to  claim 12 , wherein the walls of the channels for X-ray transporting comprise metal. claim 12 15. A raster according to  claim 12 , wherein the walls of the channels for X-rays transporting comprise heavy metal. claim 12 16. A raster according to  claim 12 , wherein the walls of the channels for X-ray transporting comprise a dielectric. claim 12 17. A raster according to  claim 12 , wherein the channels for X-ray transporting are hollow. claim 12 18. A raster according to  claim 12 , wherein the channels for X-ray transporting are filled with light metal. claim 12 19. A raster according to  claim 12 , wherein the channels for X-ray transporting are filled with an organic material. claim 12 20. A raster according to  claim 12 , wherein the channels for X-ray transporting comprise glass mono or polycapillaries. claim 12 21. A raster according to  claim 20 , wherein the walls of the channels for an X-ray transporting are made of lead glass. claim 20 22. A raster according to  claim 12 , wherein said raster is formed as a narrow parallelepiped of cells, formed of the channels for X-ray transporting. claim 12 23. An anti-scatter X-ray raster, for placing between a radiation detector and an object under study, comprising: 2d/H greater than xcex8 c ,  a plurality of tubular channels for X-ray transporting, walls of the said channels comprising a material being capable of absorbing X-rays, wherein an orientation of the walls changes from a center of the raster to a periphery of the raster, wherein the walls of the tubular channels form truncated cones or truncated pyramids with a common top and form a honeycomb structure, said walls of the neighboring channels are fused with each other; and  inputs and outputs of said tubular channels are placed in two parallel planes, which are perpendicular to an axis of one of the tubular channels, placed in the central zone of the raster, the walls of the neighboring channels are spliced with each other, wherein the largest cross size d of a singe channel for an X-rays transporting and its length H meet a relationship satisfy the correlation:  where xcex8 c = p /E is the critical angle of total external reflection of X-rays from the walls of the channels transporting X-rays, for the material of the walls,  xcfx89 p  is the plasma frequency of the material of the channels"" walls,  E is energy of radiation quanta. 24. A raster according to  claim 23 , wherein the walls of the channels comprise lead glass. claim 23 25. A raster according to  claim 23 , wherein the walls of the channels comprise metal. claim 23 26. A raster according to  claim 23 , wherein the walls of the channels comprise heavy metal. claim 23 27. A raster according to  claim 23 , wherein the walls of the channels comprise a dielectric. claim 23 28. A raster according to  claim 23 , wherein the channels are hollow. claim 23 29. A raster according to claims  23 , wherein the channels are filled with light metal. 30. A raster according to  claim 23 , wherein the channels are filled with an organic material. claim 23 31. A raster according to  claim 23 , wherein the channels are formed of glasxcx9cmono or polycapillaries. claim 23 32. A raster according to  claim 31 , wherein the walls of the channels comprise lead glass. claim 31 33. A raster according to  claim 23 , wherein said raster is made parallelepiped of cells formed by the channels. claim 23