Flexible Radiation Detector Support for Load-Stable Imaging
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Solution Overview
Problem
Radiation detectors in portable imaging apparatuses bend under heavy loads, causing unevenness in the imaged image.
Innovation Solution
A radiation imaging apparatus with a flexible substrate and semiconductor element, supported by a battery positioned at the center of a case, which distributes the load and suppresses bending.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If a flexible substrate is used to reduce weight, then the weight of the radiation detector decreases, but the substrate easily bends under load causing image unevenness
Solution Approach 1:
The patent applies local quality by positioning the battery at the center of the case to provide localized support exactly where the flexible substrate is most vulnerable to bending. This targeted support strategy reinforces the critical area without adding weight across the entire detector structure, maintaining the benefits of the flexible substrate while preventing image unevenness.
Solution Approach 2:
The battery positioned at the center acts as a counterweight that offsets the bending forces applied to the flexible substrate during imaging. By placing the battery's mass at the center, it creates a balancing effect that prevents the substrate from deforming under external loads, thereby maintaining image quality stability.
2Stability of the object's composition
If a glass substrate is used to prevent bending, then the radiation detector maintains structural stability, but the weight increases
Solution Approach 1:
Instead of using a heavy glass substrate throughout, the patent applies local quality by providing targeted support only at the center position where the battery is located. This localized reinforcement strategy maintains structural stability at the critical area while keeping the rest of the flexible substrate lightweight and flexible.
Solution Approach 2:
The patent creates a composite structure by combining the flexible substrate with the battery support system. This composite approach integrates the lightweight flexibility of the substrate material with the structural support provided by the centrally positioned battery, achieving both weight reduction and structural stability.
3Strength
If the battery is positioned at the center of the case, then the load is distributed effectively to support the radiation detector, but the design complexity increases
Solution Approach 1:
The centrally positioned battery serves multiple functions: it provides electrical power to the radiation detector and simultaneously acts as a structural support element that distributes load and prevents bending. This multi-functionality approach strengthens the device without adding separate support structures, thereby reducing overall design complexity.
Solution Approach 2:
The case structure is designed so that the battery positioning serves dual purposes: power supply and mechanical support. This universal design approach eliminates the need for additional complex support mechanisms, maintaining structural strength while minimizing design complexity.
Data Source
AI summary
A radiation imaging apparatus that images a radiation image includes, a radiation detector that includes a substrate with flexibility and a semiconductor element that is formed on an imaged surface of the substrate; a battery that supplies power to the radiation imaging apparatus; and a case that includes a front surface portion facing the imaging surface of the radiation detector and a rear surface portion facing the front surface portion with the radiation detector in between, wherein the case stores the radiation detector and the battery. The battery is positioned in a position in which a center of the battery is toward a center of the case between an edge of the case and the center of the case and the battery supports the radiation detector.