Patents Assigned to Radiation Monitoring Devices, Inc.
  • Publication number: 20240176034
    Abstract: An improved dual mode scintillator detector is described that performs pulse shape discrimination of incident neutrons and gamma rays. The detector may comprise a dual mode scintillator coupled to two shaping amplifiers with different shaping times. A luminescence signal produced by the scintillator will generally produce two different signals from the shaping amplifiers, and the relative amplitudes of these signals may allow for gamma-neutron discrimination. For instance, if the scintillator produces a luminescence signal over a shorter time period for one type of incident particle (e.g., gamma events) and produces a luminescence signal over a longer time period for the other type of incident particle (e.g., neutron events), the relative amplitudes of the signals produced by each shaping amplifier can allow for gamma-neutron discrimination.
    Type: Application
    Filed: November 30, 2022
    Publication date: May 30, 2024
    Applicant: Radiation Monitoring Devices, Inc.
    Inventor: Andrey Gueorguiev
  • Patent number: 11940577
    Abstract: Systems and methods for detecting radiation are generally described. The radiation detector comprises at least one semiconductor material, such as a thallium halide, that provides an electrical signal and optical signal upon exposure to a source of radiation. The electrical signal and optical signal may both be measured to detect the radiation.
    Type: Grant
    Filed: October 19, 2017
    Date of Patent: March 26, 2024
    Assignee: Radiation Monitoring Devices, Inc.
    Inventors: Kanai S. Shah, Leonard Cirignano, Hadong Kim
  • Patent number: 11881391
    Abstract: Methods and systems for fabricating a film, such as, for example, a photocathode, having a tailored band structure and thin-film components that can be tailored for specific applications, such as, for example photocathode having a high quantum efficiency, and simple components fabricated by those methods.
    Type: Grant
    Filed: August 13, 2021
    Date of Patent: January 23, 2024
    Assignees: Radiation Monitoring Devices, Inc., University of Chicago, Brookhaven Science Associates, LLP
    Inventors: Harish B. Bhandari, Vivek V. Nagarkar, Olena E. Ovechkina, Henry J. Frisch, Klaus Attenkofer, John M. Smedley
  • Publication number: 20230183569
    Abstract: Halide-based scintillator materials, and related systems and methods are generally described. In some embodiments, the scintillator materials are thallium-based and/or have a perovskite structure. Specific embodiments of thallium calcium halides and thallium magnesium halides with desirable scintillation properties are provided.
    Type: Application
    Filed: August 3, 2022
    Publication date: June 15, 2023
    Applicant: Radiation Monitoring Devices, Inc.
    Inventors: Edgar V. Van Loef, Jaroslaw Glodo, Pijush Bhattacharya, Lakshmi Soundara Pandian, Kanai S. Shah
  • Publication number: 20230148330
    Abstract: Organic glass scintillator materials as well as corresponding methods and systems are described.
    Type: Application
    Filed: March 24, 2022
    Publication date: May 11, 2023
    Applicant: Radiation Monitoring Devices, Inc.
    Inventors: Urmila Shirwadkar, Kanai S. Shah, Edgar V. Van Loef
  • Patent number: 11573338
    Abstract: Scintillators that can support up to 20 MHz count rates, which is significantly faster than the required 100K counts/second needed for single crystal diffractometers and methods for fabricating them.
    Type: Grant
    Filed: August 4, 2021
    Date of Patent: February 7, 2023
    Assignee: Radiation Monitoring Devices, Inc.
    Inventors: Vivek V. Nagarkar, Pijush Bhattacharaya
  • Publication number: 20230002674
    Abstract: Scintillator materials, as well as related systems, and methods of detection using the same, are described herein. The scintillator material composition may comprise a Tl-based scintillator material. For example, the composition may comprise a thallium-based halide. Such materials have been shown to have particularly attractive scintillation properties and may be used in a variety of applications for detection radiation.
    Type: Application
    Filed: February 18, 2022
    Publication date: January 5, 2023
    Applicant: Radiation Monitoring Devices, Inc.
    Inventors: Rastgo Hawrami, Lakshmi Soundara Pandian, Kanai S. Shah
  • Patent number: 11513242
    Abstract: A radiation detector is generally described. The detector can comprise a thallium halide (e.g., TlBr) and/or an indium halide. The thallium halide and/or indium halide can be doped with a dopant or a mixture of dopants. The dopant can comprise an alkaline earth metal element, a lanthanide element, and/or an element with an oxidation state of +2. Non-limiting examples of suitable dopants include Ba, Sr, Ca, Mg, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, and/or Yb. Radiation detectors, as described herein, may have beneficial properties, including enhanced charge collection and long-term stability.
    Type: Grant
    Filed: March 4, 2015
    Date of Patent: November 29, 2022
    Assignee: Radiation Monitoring Devices, Inc.
    Inventors: Kanai S. Shah, Leonard Cirignano, Hadong Kim, Alexei Churilov, Andrey Gueorguiev, Alireza Kargar
  • Patent number: 11466204
    Abstract: Lutetium oxide-based scintillator materials, as well as corresponding methods and systems, are described.
    Type: Grant
    Filed: May 4, 2020
    Date of Patent: October 11, 2022
    Assignee: Radiation Monitoring Devices, Inc.
    Inventors: Kanai S. Shah, Jaroslaw Glodo, Charles Brecher, Yimin Wang, William Rhodes, Urmila Shirwadkar, Edgar V. Van Loef
  • Patent number: 11384285
    Abstract: Embodiments of composite scintillators which may include a scintillator material encapsulated in a plastic matrix material and their methods of use are described.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: July 12, 2022
    Assignee: Radiation Monitoring Devices, Inc.
    Inventors: Kanai S. Shah, Andrey Gueorguiev, Edgar V. Van Loef, Gary Markosyan
  • Patent number: 11254867
    Abstract: Scintillator materials, as well as related systems, and methods of detection using the same, are described herein. The scintillator material composition may comprise a Tl-based scintillator material. For example, the composition may comprise a thallium-based halide. Such materials have been shown to have particularly attractive scintillation properties and may be used in a variety of applications for detection radiation.
    Type: Grant
    Filed: November 23, 2016
    Date of Patent: February 22, 2022
    Assignee: Radiation Monitoring Devices, Inc.
    Inventors: Rastgo Hawrami, Lakshmi Soundara Pandian, Kanai S. Shah
  • Patent number: 11094495
    Abstract: Methods and systems for fabricating a film, such as, for example, a photocathode, having a tailored band structure and thin-film components that can be tailored for specific applications, such as, for example photocathode having a high quantum efficiency, and simple components fabricated by those methods.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: August 17, 2021
    Assignee: Radiation Monitoring Devices, Inc.
    Inventors: Harish B. Bhandari, Vivek V. Nagarkar, Olena E. Ovechkina, Henry J. Frisch, Klaus Attenkofer, John M. Smedley
  • Publication number: 20210087465
    Abstract: Lutetium oxide-based scintillator materials, as well as corresponding methods and systems, are described.
    Type: Application
    Filed: May 4, 2020
    Publication date: March 25, 2021
    Applicant: Radiation Monitoring Devices, Inc.
    Inventors: Kanai S. Shah, Jaroslaw Glodo, Charles Brecher, Yimin Wang, William Rhodes, Urmila Shirwadkar, Edgar V. Van Loef
  • Patent number: 10859718
    Abstract: Large detection area, high spatial resolution, high dynamic range and low noise neutron detectors are disclosed. Curved detectors that minimize parallax errors and boundary regions without sacrificing its intrinsic resolution or the efficiency are also disclosed.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: December 8, 2020
    Assignee: Radiation Monitoring Devices, Inc.
    Inventors: Vivek V. Nagarkar, Matthew Marshall, Harish Bhandari, Stuart Miller
  • Publication number: 20200284920
    Abstract: Scintillator materials based on mixed garnet compositions, as well as corresponding methods and systems, are described.
    Type: Application
    Filed: August 5, 2019
    Publication date: September 10, 2020
    Applicant: Radiation Monitoring Devices, Inc.
    Inventors: Kanai S. Shah, Charles Brecher, Yimin Wang, Gary Baldoni, William Rhodes
  • Publication number: 20200224093
    Abstract: Scintillator compositions comprising lithium, an alkaline earth metal, a halide, and optionally a dopant, and related systems and methods for detecting radiation are disclosed.
    Type: Application
    Filed: October 21, 2019
    Publication date: July 16, 2020
    Applicant: Radiation Monitoring Devices, Inc.
    Inventors: Kanai S. Shah, Jaroslaw Glodo, Edgar V. Van Loef, Rastgo Hawrami, Urmila Shirwadkar, Lakshmi Soundara Pandian
  • Patent number: 10640705
    Abstract: Lutetium oxide-based scintillator materials, as well as corresponding methods and systems, are described.
    Type: Grant
    Filed: May 22, 2017
    Date of Patent: May 5, 2020
    Assignee: Radiation Monitoring Devices, Inc.
    Inventors: Kanai S. Shah, Jaroslaw Glodo, Charles Brecher, Yimin Wang, William Rhodes, Urmila Shirwadkar, Edgar V. Van Loef
  • Patent number: 10620323
    Abstract: Photonic band gap structures and related systems, devices and methods are provided.
    Type: Grant
    Filed: October 22, 2012
    Date of Patent: April 14, 2020
    Assignee: Radiation Monitoring Devices, Inc.
    Inventors: Vivek V. Nagarkar, Bipin Singh
  • Publication number: 20200048544
    Abstract: Embodiments of composite scintillators which may include a scintillator material encapsulated in a plastic matrix material and their methods of use are described.
    Type: Application
    Filed: April 22, 2019
    Publication date: February 13, 2020
    Applicant: Radiation Monitoring Devices, Inc.
    Inventors: Kanai S. Shah, Andrey Gueorguiev, Edgar V. Van Loef, Gary Markosyan
  • Patent number: 10538861
    Abstract: Disclosed embodiments are related to a method of forming an elpasolite scintillator. In one nonlimiting embodiment, a method of forming an elpasolite scinitillator may comprise forming an elpasolite crystal from a nonstoichiometric melt.
    Type: Grant
    Filed: January 29, 2015
    Date of Patent: January 21, 2020
    Assignee: Radiation Monitoring Devices, Inc.
    Inventors: Kanai S. Shah, Josh Tower, Rastgo Hawrami