X-ray detector

Details X-ray detector X-ray detector

H - Electricity

05

G

358/34

H05G 1/02 (2006.01) G01T 7/00 (2006.01) H01J 1/88 (2006.01) H01J 47/02 (2006.01)

Patent

CA 1096973

15 XR 1447 ABSTRACT OF THE DISCLOSURE An improved x-ray or other ionizing radiation detector includes an array of adjacent cells consisting of alternately-disposed oppositely-polarized electrodes and guard electrodes and insulators between them. Uniform spacing between electrodes and close control of the overall length of the array are achieved by depositing viscous resinous adhesive at selected location between the electrodes and insulators during assembly. Groups of cells (i.e. subassemblies) are formed in this manner by assembling the electrode elements and insulators in proper sequence in a form or die which has a radius of curvature, either finite or infinite, conforming with that desired for the detector array. The subassemblies are baked to cure and solidify the adhesive and maintain the pieces as a unit. The subassemblies are then joined to others with similar adhesive to form the entire detector array. The whole assembly is then heat-cured and becomes a unit which can be mounted in a gas-filled hollow chamber of the detector assembly. The configuration of the electrodes is such that the active electrodes, such as the anode and cathode electrodes, can be supported in electrical isolation from the chamber. The electrodes are also shaped so that those which operate at ground potential can contact the chamber wall and provide support for the entire array.

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