Layered Radiation Detector for Stable Potential Without Extra Capacitors
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Solution Overview
Problem
Current radiation detectors face challenges in achieving stable detection due to fluctuations in potential, which can lead to attenuation of radiation and poor detection characteristics, especially when additional capacitor elements are used to stabilize potentials.
Innovation Solution
A radiation detector design incorporating a first conductive layer, a first scintillator layer, a first intermediate electrode, and a first organic semiconductor layer, where the scintillator layer, conductive layer, and intermediate electrode function as capacitors to stabilize the potential of the intermediate electrode, eliminating the need for separate capacitors and minimizing radiation attenuation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If additional capacitor elements are added to stabilize potentials, then potential stability is improved, but device complexity and radiation attenuation increase
Solution Approach 1:
The patent combines the capacitor function with existing structural elements (conductive layer, scintillator layer, and intermediate electrode) to stabilize potential. Instead of adding separate capacitor elements, these existing layers are configured to serve dual purposes: maintaining electrical potential stability while detecting radiation, thereby reducing device complexity and minimizing radiation attenuation.
2Stability of the object's composition
If additional capacitor elements are added to stabilize potentials, then potential stability is improved, but radiation attenuation increases
Solution Approach 1:
The capacitor function is merged with the detection layers themselves. The conductive layer, scintillator layer, and intermediate electrode are configured to provide both potential stabilization and radiation detection functions, eliminating the need for additional capacitor elements that would attenuate radiation.
Solution Approach 2:
The existing layers are designed to perform multiple functions: the conductive layer and intermediate electrode serve both as electrical potential stabilizing elements and as part of the radiation detection path, allowing potential stabilization without adding separate components that would block or attenuate radiation.
3Device complexity
If device structure is simplified by removing additional capacitors, then device complexity is reduced, but potential stability deteriorates
Solution Approach 1:
The patent merges the capacitor function into the existing layered structure. The conductive layer, scintillator layer, and intermediate electrode are configured to provide capacitance for potential stabilization while maintaining a simplified device structure without additional separate capacitor elements.
4Stability of the object's composition
If more layers are added to stabilize potential, then potential stability is improved, but detection sensitivity deteriorates
Solution Approach 1:
The patent combines potential stabilization and radiation detection functions into the same layers. The conductive layer, scintillator layer, and intermediate electrode provide both electrical stability and radiation detection capability, eliminating the need for additional layers that would reduce detection sensitivity.
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
This configuration enables stable and efficient detection of radiation with high sensitivity, reducing potential fluctuations and maintaining detection accuracy for both low-energy and high-energy radiation without the need for additional capacitor elements.
Implementation Method 1
a first scintillator layer provided between the first conductive region and the first electrode
Implementation Method 2
a first organic semiconductor layer provided between the first intermediate electrode and the first electrode
Data Source
AI summary
According to one embodiment, a radiation detector includes a first conductive layer including a first conductive region, and a first stacked body. The first stacked body includes a first electrode separated from the first conductive region in the a direction, a first scintillator layer provided between the first conductive region and the first electrode, a first intermediate electrode provided between the first scintillator layer and the first electrode, and a first organic semiconductor layer provided between the first intermediate electrode and the first electrode.