Patent ID: 9599580
Date: 2017-03-21
CPC Classifications: G01N

Claim:
1. A method of analyzing a sample of materials by diffractometry, the method comprising: providing a diffractometer that comprises a source configured to emit an incident beam having a central axis X, and a detector comprising, a detector material, which, on a near side to the sample of materials, presents a detection plane, spectrometry measurement means, configured to measure an energy released by each photon interaction with the detector material and to establish at least one measured spectrum; irradiating the sample with the incident beam, wherein the detector comprises a pixelated detector comprising means for locating an interaction of a photon with the detector material ( establishing an energy spectrum for each physical or virtual pixel of the detector; adjusting each measured energy spectrum (E), by expressing the energy spectrum according to a variable that accounts for an energy of scattered radiation and the diffraction angle θ verifying fulfillment of at least one multimaterial criterion representing the presence of several layers of materials; forming groups of pixels using results of the verifying step, each group corresponding to a layer of material, where different groups correspond to different layers of material; and combining spectra by group for each group, where the adjusted spectrum obtained for the pixels (Pi) of the group are combined.