# US 10,371,826 B2 · Water-based radiation detector > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,371,826 B2 - Document ID: US10371826B2 - Status: Granted - Kind: B2 - Application number: 15/472,917 - Filed: 2017-03-29 - Published: 2018-10-04 - Granted: 2019-08-06 - Earliest claimed: 2017-03-29 - Assignees: Morpho Detection, Inc. - Applicants: Morpho Detection, LLC - Inventors: Jared William Moore - Web page: https://patentgrep.com/patent/US10371826B2 ## CPC - G01T 1/185: with ionisation chamber arrangements - G01T 1/26: with resistance detectors - 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) ## Abstract A radiation detector includes a housing configured to contain a volume of water, the housing including an interior surface adjacent a first portion of the water having a first net charge. The radiation detector also includes a first electrode coupled to the housing within the first portion of the water, and a second electrode coupled to the housing within a second portion of the water adjacent the first portion of the water. The radiation detector further includes a current detector connected in series between the first electrode and the second electrode, the current detector configured to detect a current associated with an ionized radiation product that enters the housing. ## Claims ### Claim 1 A radiation detector comprising: a housing configured to contain a volume of water, said housing comprising an interior surface adjacent a first portion of said water having a first net charge, wherein said interior surface comprises one of (i) a hydrophilic surface such that the first net charge comprises a negative charge, and (ii) a hydrophobic surface such that the first net charge comprises a positive charge; a first electrode coupled to said housing within said first portion of said water; a second electrode coupled to said housing within a second portion of said water adjacent said first portion of said water; and a current detector connected in series between said first electrode and said second electrode, said current detector configured to detect a current associated with an ionized radiation product that enters said housing. ### Claim 2 (depends on 1) The radiation detector of claim 1, wherein said interior surface comprises said hydrophilic surface, and wherein said second portion of said water has a second net charge comprising a positive charge, such that an electric field is generated between said first portion of said water and said second portion of said water. ### Claim 3 (depends on 2) The radiation detector of claim 2, wherein the ionized radiation product that enters said housing is moved by the generated electric field, said current detector configured to detect the current of the ionized radiation product within said housing. ### Claim 4 (depends on 1) The radiation detector of claim 1, wherein said housing comprises a hydrophilic polymeric material that at least partially defines said hydrophilic surface. ### Claim 5 (depends on 1) The radiation detector of claim 1, wherein said interior surface comprises said hydrophobic surface, and wherein said second portion of said water has a second net charge comprising a negative charge, such that an electric field is generated between said first portion of said water and said section portion of said water. ### Claim 6 (depends on 1) The radiation detector of claim 1, wherein said housing comprises a hydrophobic polymeric material that at least partially defines said hydrophobic surface. ### Claim 7 (depends on 1) The radiation detector of claim 1 further comprising a first wire electrically coupling said first electrode to said current detector. ### Claim 8 (depends on 7) The radiation detector of claim 7 further comprising a second wire electrically coupling said second electrode to said current detector. ### Claim 9 (depends on 1) The radiation detector of claim 1, wherein said water comprises water doped with an ionic compound. ### Claim 10 A method for constructing a radiation detector, said method comprising: dispensing a volume of water into a housing configured to contain the water, wherein the housing includes an interior surface adjacent a first portion of the water, wherein said interior surface comprises one of (i) a hydrophilic surface such that the first net charge comprises a negative charge, and (ii) a hydrophobic surface such that the first net charge comprises a positive charge; positioning a first electrode within the first portion of the water; positioning a second electrode within a second portion of the water adjacent the first portion of the water; and connecting a current detector in series between the first electrode and the second electrode, wherein the current detector is configured to detect a current associated with an ionized radiation product that enters the housing. ### Claim 11 (depends on 10) The method of claim 10, wherein the interior surface includes the hydrophilic surface, and wherein the second portion of the water has a second net charge including a positive charge, said dispensing causing an electric field to be generated between the first portion of the water and the second portion of the water. ### Claim 12 (depends on 10) The method of claim 10, wherein the interior surface includes the hydrophobic surface, and wherein the second portion of the water has a second net charge including a negative charge, said dispensing causing an electric field to be generated between the first portion of the water and the second portion of the water. ### Claim 13 (depends on 10) The method of claim 10, wherein positioning a first electrode within the first portion of the water comprises extending a first wire through the housing, the first wire connecting the first electrode to the current detector. ### Claim 14 (depends on 13) The method of claim 13, wherein positioning a second electrode within the second portion of the water comprises extending a second wire through the housing, the second wire connecting the second electrode to the current detector. ### Claim 15 (depends on 10) The method of claim 10 further comprising doping the water with an ionic compound. ### Claim 16 A radiation detector comprising: a housing configured to contain a volume of water, said housing comprising an interior surface adjacent a first portion of said water having a first net charge, wherein said interior surface comprises one of (i) a hydrophilic surface such that the first net charge comprises a negative charge, and (ii) a hydrophobic surface such that the first net charge comprises a positive charge; and a circuit formed through said first portion of water and a second portion of water adjacent said first portion of water, said second portion of water having a second net charge with a polarity opposite the first net charge, said circuit comprising a current detector configured to detect a flow of charge from one of said first and second portions of water to the other of said first and second portions of water, the flow of charge associated with an ionized radiation product that enters said housing. ### Claim 17 (depends on 16) The radiation detector of claim 16, wherein said current detector comprises an ammeter. ### Claim 18 A radiation detector comprising: a plurality of detector elements arranged in an array, each detector element of said plurality of detector elements comprising: a housing configured to contain a volume of water, said housing comprising an interior surface adjacent a first portion of said water having a first net charge, wherein said interior surface comprises one of (i) a hydrophilic surface such that the first net charge comprises a negative charge, and (ii) a hydrophobic surface such that the first net charge comprises a positive charge; a first electrode coupled to said housing within said first portion of said water; a second electrode coupled to said housing within a second portion of said water adjacent said first portion of said water; and a current detector connected in series between said first electrode and said second electrode, said current detector configured to detect a current associated with an ionized radiation product that enters said housing.