Scintillation Detector with High Count Rate

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This invention describes a scintillation detector that is optimized for high event count rates and high spatial resolution, particularly for detecting neutrons and other ionizing radiation. The key innovation is the use of a pixelated scintillator where the pixels are separated either by physical gaps filled with reflective material or by grooves on the surface, which helps prevent cross-talk and allows precise localization of incoming radiation. The detector uses modular components with dedicated photomultiplier (or similar) units and integrated electronics for signal processing, enabling scalable and easy-to-maintain systems that can handle high radiation fluxes, reaching count rates up to about 20 MHz.

Use CasesContent extracted from patent full text and abstract with AI.

• High-throughput neutron detection in scientific research facilities (e.g., neutron scattering experiments in physics or materials science).
• Gamma and X-ray imaging applications with high spatial resolution.
• Homeland security and nuclear safeguards for detecting illicit radioactive materials.
• Medical imaging devices requiring precise localization of radiation sources (e.g., PET or SPECT scanners).
• Non-destructive testing in industry, such as inspecting materials or components for defects using neutron or gamma sources.
• Portable or large-area radiation monitoring systems for nuclear reactors or waste storage facilities.

BenefitsContent extracted from patent full text and abstract with AI.

• Greatly increased count rate capabilities (up to 20 MHz), allowing the detector to handle high-intensity sources without saturation.
• Significantly improved spatial resolution due to the pixelated structure, enabling precise localization of radiation events.
• Modular and scalable design simplifies maintenance and allows for flexible detector sizing according to application needs.
• Efficient discrimination between different types of radiation (e.g., neutrons vs. gamma rays) owing to dedicated electronics and customizable signal thresholds.
• Reduced cross-talk between pixels thanks to optical separation with reflective or absorbing material, which improves measurement accuracy.
• High detection efficiency (above 80% for thermal neutrons), making the system suitable for demanding scientific and industrial applications.

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Patent Abstract

The invention relates to a scintillation detector with which high count rates and/or high resolutions can be achieved. The scintillator of the claimed scintillation detector is formed from pixels (2) separated from one another by intermediate spaces (4). Alternatively, or additionally, the surface of said scintillator is divided, by grooves, into pixels (2). Such a structure allows not just a particularly high resolution; when using multiple modules it also allows high count rates in the range of approximately 20 MHz.