Integrated Scintillation Detector for Radioactive Substance Measurement
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Solution Overview
Problem
Current scintillation detectors for measuring radioactive radiation are costly and complex due to the use of multiple components, which limits their compactness and efficiency.
Innovation Solution
A measuring device with a semiconductor light-sensitive recording unit and scintillation material arranged in a compact configuration, where the scintillation material converts ionizing radiation into measurable light, allowing for a compact and cost-effective design with minimal component distance, and the ability to detect radiation in various wavelength ranges.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If fiber optic coupled photomultipliers are used to detect light flashes from scintillation material, then detection capability is achieved, but device complexity and cost increase due to multiple components
Solution Approach 1:
The patent combines the scintillation material and light-sensitive recording unit into a single integrated detector component. The scintillation material is applied directly as a layer on the light-sensitive recording unit, merging functions that were previously separate (scintillation detection and light recording) into one unified structure, thereby reducing component count and complexity while maintaining detection capability
Solution Approach 2:
The light-sensitive recording unit serves multiple functions: it directly detects light flashes from the scintillation material, records the intensity and position of radiation events, and enables quantitative measurement of radioactive substances. This multi-functional design replaces the need for separate fiber optic coupling and photomultiplier components
2Reliability
If multiple components are used in scintillation detectors, then detection function is achieved, but manufacturing cost increases
Solution Approach 1:
By applying the scintillation material directly as a layer on the light-sensitive recording unit, the patent eliminates the need for separate fiber optic coupling components and photomultipliers. This integration simplifies the manufacturing process and reduces the number of assembly steps, thereby lowering production costs while maintaining the detection function
Solution Approach 2:
The integrated detector design with scintillation material applied as a layer enables cost-effective production, allowing for disposable or single-use detector configurations that are economically viable for various applications including medical imaging and radiation detection
3Reliability
If multiple components are used in scintillation detectors, then detection function is achieved, but device size cannot be reduced
Solution Approach 1:
The patent merges the scintillation material and light-sensitive recording unit into a single integrated structure with minimal distance between components. This consolidation eliminates the space required for fiber optic coupling and separate photomultiplier assemblies, enabling significant reduction in detector size and volume
Solution Approach 2:
The scintillation material is applied as a thin layer on the recording unit surface, transitioning from a bulk three-dimensional component arrangement to a two-dimensional surface integration. This dimensional change enables compact detector design with minimal distance between the scintillation material and recording unit
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables reliable, quantitative measurement of radioactive substances with improved spatial resolution and reduced costs, facilitating a compact and efficient detection system.
Implementation Method 1
a scintillation material for converting ionizing radiation emanating from the radioactive material into measuring radiation
Implementation Method 2
a light-sensitive recording unit for detecting an intensity of the measuring radiation
Data Source
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AI summary
The present invention relates to a measuring device and a fluidic device for measuring the quantity of a substance (6) to be examined, which is labeled with a radioactive material, and to a fluidic device comprising this measuring device. The measuring device comprises a receiving chamber (5) enclosed by walls for receiving a liquid containing the substance (6) to be examined, a scintillation material (1) for converting ionizing radiation (7) emitted by the radioactive material into a measurement radiation (8), and a photosensitive receiving unit (2) for detecting the intensity of the measurement radiation (8). The photosensitive receiving unit (2) is designed as a semiconductor element with a planar surface, and the scintillation material (1) has a planar surface facing the liquid.The light-sensitive imaging unit (2) and the scintillation material (1) are arranged opposite each other on one of the walls or one above the other on one of the walls.