# US 9,752,073 B1 · Hot wall scintillator fabrication of strontium halide, calcium halide, cerium halide, and cesium barium halide scintillators > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,752,073 B1 - Document ID: US9752073B1 - Status: Granted - Kind: B1 - Application number: 14/455,806 - Filed: 2014-08-08 - Granted: 2017-09-05 - Earliest claimed: 2011-04-28 - Assignees: Radiation Monitoring Devices, Inc. - Applicants: Radiation Monitoring Devices, Inc. - Inventors: Vivek Nagarkar - Web page: https://patentgrep.com/patent/US9752073B1 ## CPC - C09K 11/7733: {with alkali or alkaline earth metals} - C09K 11/7719: {Halogenides (C09K11/7716 takes precedence)} - C23C 16/30: Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides - G01T 1/20: with scintillation detectors - G01T 1/2006: {using a combination of a scintillator and photodetector which measures the means radiation intensity} - G01T 1/202: the detector being a crystal - G01T 3/06: with scintillation detectors - G01T 7/00: Details of radiation-measuring instruments - C09K 2211/00: Chemical nature of organic luminescent or tenebrescent compounds - G21K 2004/06: {with a phosphor layer} - C09K: MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE - C23C: COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL (making metal-coated products by extrusion B21C23/22; covering with metal by connecting pre-existing layers to articles, see the relevant places, e.g. B21D39/00, B23K; metallising of glass C03C; metallising mortars, concrete, artificial stone, ceramics or natural stone C04B41/00; enamelling of, or applying a vitreous layer to, metals C23D; treating metal surfaces or coating of metals by electrolysis or electrophoresis C25D; single-crystal film growth C30B; by metallising textiles D06M11/83; decorating textiles by locally metallising D06Q1/04) - G01T: MEASUREMENT OF NUCLEAR OR X-RADIATION (radiation analysis of materials, mass spectrometry G01N23/00; tubes for determining the presence, intensity, density or energy of radiation or particles H01J47/00) - G21K: HANDLING OF PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES ## Abstract Strontium halide scintillators, calcium halide scintillators, cerium halide scintillators, cesium barium halide scintillators, and related devices and methods are provided. ## Claims ### Claim 1 A scintillator comprising: a microcolumnar scintillator material selected from the group consisting of strontium halide, calcium halide, cerium halide, and cesium barium halide. ### Claim 2 (depends on 1) The scintillator of claim 1, further comprising a dopant. ### Claim 3 (depends on 2) The scintillator of claim 2, wherein the dopant is Eu, Pr, Ce, Tl, Tb, or any combination thereof. ### Claim 4 (depends on 2) The scintillator of claim 2, comprising about 0.1% to about 20% molar weight of the dopant. ### Claim 5 (depends on 1) The scintillator of claim 1, wherein the microcolumnar scintillator material comprises columns having widths greater than about 5 microns. ### Claim 6 (depends on 1) The scintillator of claim 1, wherein the microcolumnar scintillator material comprises columns having widths between about 5 microns and about 100 microns. ### Claim 7 (depends on 1) The scintillator of claim 1, wherein the microcolumnar scintillator material comprises columns having widths between about 100 microns and about 1 millimeter. ### Claim 8 (depends on 1) The scintillator of claim 1, wherein the microcolumnar scintillator material is in the form of a microcolumnar scintillator film. ### Claim 9 (depends on 8) The scintillator of claim 8, wherein the microcolumnar scintillator film comprises columns have widths no greater than a thickness of the microcolumnar scintillator film. ### Claim 10 A radiation detection device, comprising: a scintillator comprising a microcolumnar scintillator material selected from the group consisting of strontium halide, calcium halide, cerium halide, and cesium barium halide; and a photodetector assembly optically coupled to the scintillator. ### Claim 11 (depends on 10) The device of claim 10, further comprising electronics coupled to the photodetector assembly so as to output image data in response to radiation detected by the scintillator. ### Claim 12 (depends on 10) The device of claim 10, wherein the scintillator comprises a dopant. ### Claim 13 (depends on 12) The device of claim 12, wherein the dopant is Eu, Pr, Ce, Tl, Tb, or any combination thereof. ### Claim 14 (depends on 10) The device of claim 10, wherein the microcolumnar scintillator material comprises columns having widths between about 5 microns and about 100 microns. ### Claim 15 (depends on 10) The device of claim 10, wherein the microcolumnar scintillator material comprises columns having widths between about 100 microns and about 1 millimeter. ### Claim 16 (depends on 10) The device of claim 10, wherein the microcolumnar scintillator material is in the form of a microcolumnar scintillator film. ### Claim 17 A method of performing radiation detection, comprising: providing a radiation detection device comprising a scintillator and a photodetector assembly optically coupled to the scintillator, wherein the scintillator comprises a microcolumnar scintillator material selected from the group consisting of strontium halide, calcium halide, cerium halide, and cesium barium halide; and positioning a radiation source within a field of view of the scintillator so as to detect emissions from the radiation source. ### Claim 18 (depends on 17) The method of claim 17, wherein the scintillator comprises a dopant. ### Claim 19 (depends on 18) The method of claim 18, wherein the dopant is Eu, Pr, Ce, Tl, Tb, or any combination thereof. ### Claim 20 (depends on 17) The method of claim 17, wherein the microcolumnar scintillator material is in the form of a microcolumnar scintillator film.