Radiation Imaging Buffer Portion Shock Absorption Design
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Solution Overview
Problem
Radiation imaging apparatuses face challenges in protecting fragile scintillators and sensor arrays from shock and load while maintaining high radiation transmittance, limiting the freedom in selecting materials for buffer components.
Innovation Solution
A radiation imaging apparatus design featuring a housing with a buffer portion between the sensor panel and the first plate portion, where the inner edge of the buffer portion is fitted between the outer edge of the sensor array and the scintillator, providing shock absorption and increased rigidity, and allowing for material selection prioritizing buffer function over radiation transmittance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a member with buffer function is arranged between the first plate portion and the sensor array, then the sensor array is protected from shock, but the radiation transmittance is reduced due to material constraints
Solution Approach 1:
The patent divides the protective structure into two separate components: a buffer portion made of shock-absorbing material (such as foam resin) and a support portion made of rigid material (such as aluminum). This segmentation allows each component to be optimized for its specific function without compromising the other, resolving the contradiction between shock protection and radiation transmittance.
Solution Approach 2:
The buffer portion acts as an intermediary element between the first plate portion and the sensor array. It mediates the shock absorption function while the support portion mediates the structural support function. This intermediary structure enables the use of materials optimized for各自的 function, with the buffer portion providing shock protection and the support portion maintaining radiation transmittance.
2Strength
If a thick buffer member is used to adequately protect the sensor array, then shock absorption is improved, but radiation transmittance deteriorates
Solution Approach 1:
By segmenting the protective structure into buffer and support portions with distinct material properties and thickness optimizations, the patent achieves adequate shock absorption without excessive buffer thickness that would block radiation. The support portion provides structural integrity with minimal radiation attenuation.
Solution Approach 2:
The patent optimizes the thickness and material parameters of both the buffer portion and support portion to achieve the desired balance. The buffer portion thickness is sufficient for shock absorption, while the support portion is designed with high radiation transmittance, collectively resolving the contradiction between protection strength and radiation transmission.
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
The design effectively reduces shock and load on the sensor panel, prevents peeling and deformation of the scintillator and sensor panel, and maintains high radiation detection efficiency and image quality, with the ability to ignore any influence of the buffer on the radiation image.
Implementation Method 1
causing a scintillator to convert, into light, radiation which has been emitted from a radiation source and passed through an object
Implementation Method 2
a buffer portion arranged between the sensor panel and the first plate portion... effectively reduces shock and load on the sensor panel
Data Source
AI summary
A radiation imaging apparatus includes a housing having a first plate portion and a second plate portion which oppose each other, a sensor panel arranged between the first plate portion and the second plate portion, and having a sensor array in which a plurality of sensors are arrayed, a scintillator arranged between the sensor panel and the second plate portion, a supporting portion arranged between the scintillator and the second plate portion, and configured to support the scintillator, and a buffer portion arranged between the sensor panel and the first plate portion. In orthographic projection to the first plate portion, an inner edge of the buffer portion is fitted between an outer edge of an imaging area of the sensor array and an outer edge of the scintillator.