公开(公告)号：US20040232344A1

公开(公告)日：2004-11-25

申请号：US10877545

申请日：2004-06-25

Applicant: Radiation Monitoring Devices, Inc. ,  Science Wares, Inc.

Inventor： Eric Karplus ,  Richard Farrell ,  Kanai Shah

IPC: G01T001/24

CPC classification number: G01T1/247 ,  G01T1/208

Abstract: The present invention is a solid state detector that has internal gain and incorporates a special readout technique to determine the input position at which a detected signal originated without introducing any dead space to the active area of the device. In a preferred embodiment of the invention, the detector is a silicon avalanche photodiode that provides a two dimensional position sensitive readout for each event that is detected.

公开(公告)号：US11881391B1

公开(公告)日：2024-01-23

申请号：US17402171

申请日：2021-08-13

Applicant: Radiation Monitoring Devices, Inc. ,  University of Chicago ,  Brookhaven Science Associates, LLC

Inventor： Harish B. Bhandari ,  Vivek V. Nagarkar ,  Olena E. Ovechkina ,  Henry J. Frisch ,  Klaus Attenkofer ,  John M. Smedley

IPC: H01J9/12 ,  H01J1/34 ,  H02S50/15 ,  C23C14/34 ,  C23C14/54 ,  C23C14/00 ,  C23C14/06 ,  C30B23/02 ,  C30B29/40 ,  C23C14/02 ,  C23C14/16 ,  G01N21/63

CPC classification number: H01J9/12 ,  C23C14/0036 ,  C23C14/025 ,  C23C14/06 ,  C23C14/165 ,  C23C14/3414 ,  C23C14/545 ,  C23C14/548 ,  C30B23/02 ,  C30B29/40 ,  G01N21/63 ,  H01J1/34 ,  H02S50/15

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.

公开(公告)号：US11693135B1

公开(公告)日：2023-07-04

申请号：US17033738

申请日：2020-09-26

Applicant: RADIATION MONITORING DEVICES, INC.

Inventor： Charles Sosa ,  Vivek Nagarkar

IPC: G01T3/06 ,  C09K11/06 ,  C09K11/08

CPC classification number: G01T3/06 ,  C09K11/06 ,  C09K11/08 ,  C09K2211/1007 ,  C09K2211/1011

Abstract: A scintillator-based imaging screen technology that is sensitive to neutral and charged particles is disclosed. These teachings improve the temporal and spatial resolution limitations of the screens currently used in static and dynamic neutron detection and imaging, neutron tomography, and other advanced neutron imaging equipment used to study materials, such as neutron reflectometers and diffractometers.

公开(公告)号：US20230183569A1

公开(公告)日：2023-06-15

申请号：US17880203

申请日：2022-08-03

Applicant: Radiation Monitoring Devices, Inc.

Inventor： Edgar V. Van Loef ,  Jaroslaw Glodo ,  Pijush Bhattacharya ,  Lakshmi Soundara Pandian ,  Kanai S. Shah

IPC: C09K11/77 ,  G01T1/20 ,  C09K11/62

CPC classification number: C09K11/7705 ,  G01T1/20 ,  C09K11/628

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.

公开(公告)号：US11513242B1

公开(公告)日：2022-11-29

申请号：US14637434

申请日：2015-03-04

Applicant: Radiation Monitoring Devices, Inc.

Inventor： Kanai S. Shah ,  Leonard Cirignano ,  Hadong Kim ,  Alexei Churilov ,  Andrey Gueorguiev ,  Alireza Kargar

IPC: G01T1/24 ,  H01L31/032

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.

公开(公告)号：US11254867B1

公开(公告)日：2022-02-22

申请号：US15359960

申请日：2016-11-23

Applicant: Radiation Monitoring Devices, Inc.

Inventor： Rastgo Hawrami ,  Lakshmi Soundara Pandian ,  Kanai S. Shah

IPC: G01T1/20 ,  C09K11/77 ,  C09K11/85

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.

公开(公告)号：US20180171224A1

公开(公告)日：2018-06-21

申请号：US15834680

申请日：2017-12-07

Applicant: Radiation Monitoring Devices, Inc.

Inventor： Kanai S. Shah ,  William M. Higgins ,  Edgar V. Van Loef ,  Jaroslaw Glodo

IPC: C09K11/77 ,  G21K4/00 ,  C30B29/12

CPC classification number: C09K11/7773 ,  C30B29/12 ,  G21K4/00 ,  G21K2004/06

Abstract: The present invention relates to scintillator compositions and related devices and methods. The scintillator compositions may include, for example, a scintillation compound and a dopant, the scintillation compound having the formula x1-x2-x3-x4 and x1 is Cs; x2 is Na; x3 is La, Gd, or Lu; and x4 is Br or I. In certain embodiments, the scintillator composition can include a single dopant or mixture of dopants.

公开(公告)号：US20180031646A1

公开(公告)日：2018-02-01

申请号：US15620756

申请日：2017-06-12

Applicant: Radiation Monitoring Devices, Inc.

Inventor： Timothy C. Tiernan ,  Mark Steinback ,  Noa M. Rensing ,  Evan R. Weststrate

IPC: G01R33/09 ,  G01N27/90 ,  G01B1/00 ,  G01N1/00

CPC classification number: G01R33/09 ,  G01B1/00 ,  G01B2210/00 ,  G01N1/00 ,  G01N27/9033 ,  G01N2201/00 ,  G01R1/00 ,  G01R33/096

Abstract: Eddy current detection probes and related methods are disclosed. In some embodiments, the eddy current detection probes are hybrid probes, including a solid state sensor and a detection loop. In some embodiments, the eddy current detection probes include a drive coil and a detection loop, with the detection loop having a sensitive axis that is not parallel to principal axis of the drive coil. In some such embodiments, the sensitive axis of the detection loop is perpendicular to the principal axis of the drive coil.

公开(公告)号：US20170279001A1

公开(公告)日：2017-09-28

申请号：US15344853

申请日：2016-11-07

Applicant: Radiation Monitoring Devices, Inc.

Inventor： Kanai S. Shah ,  Andrey Gueorguiev ,  Leonard Cirignano ,  Hadong Kim ,  Alireza Kargar

IPC: H01L31/08 ,  H01L31/032 ,  G01T1/24

CPC classification number: H01L31/085 ,  G01T1/241 ,  H01L31/032

Abstract: A detector for detecting radiation is generally described. The detector can comprise at least one ionic semiconductor material. For example, the ionic semiconductor material comprises a thallium halide and/or an indium halide. Electrical contacts are formed on the semiconductor material to provide a voltage to the detector during use. At least one of the electrical contacts may comprise a liquid that contains ions. In some instances, at least one electrical contact comprises a metal, such as Cr, Ti, W, Mo, or Pb. In some embodiments, the detector comprises both an electrical contact comprising liquid comprising ions and an electrical contact comprising a metal selected from a group consisting of Cr, Ti, W, Mo, and Pb. Detectors for detecting radiation, as described herein, may have beneficial properties.

公开(公告)号：US09466747B1

公开(公告)日：2016-10-11

申请号：US13660423

申请日：2012-10-25

Applicant: Radiation Monitoring Devices, Inc.

Inventor： Richard Farrell ,  Richard Myers ,  Kofi Vanderpuye ,  Mickel McClish

IPC: H01L31/107 ,  H01L31/0352 ,  H01L31/18

CPC classification number: H01L31/03529 ,  H01L31/107 ,  H01L31/18

Abstract: Solid state avalanche photodiode devices and methods of producing the same are described herein.

Abstract translation: 本文描述了固态雪崩光电二极管器件及其制造方法。