Radiation Detector Shield Layout for Electronics Protection
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Solution Overview
Problem
Radiation detectors in scanning systems face damage and reduced lifespan due to radiation interaction with electronics, as a small percentage of impinging radiation traverses the detection sub-assembly and interacts with the electronics sub-assembly.
Innovation Solution
Incorporating radiation shields between substrates of a routing sub-assembly in the radiation detection system to block and attenuate radiation, thereby protecting the electronics sub-assembly from damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If radiation shields are added between substrates to protect electronics, then reliability of electronics sub-assembly is improved, but device complexity increases
Solution Approach 1:
A radiation shield is introduced as an intermediary component between the first substrate (radiation detection sub-assembly) and the second substrate (electronics sub-assembly). This shield blocks radiation from reaching the electronics, protecting them from damage and extending their lifespan, while allowing the detector to maintain its functional complexity.
2Object-affected harmful factors
If radiation shields are positioned between substrates, then harmful radiation exposure to electronics is reduced, but manufacturing complexity increases
Solution Approach 1:
The detector is segmented into distinct functional layers: a first substrate for radiation detection, a radiation shield layer, and a second substrate for electronics. This segmentation allows each component to be optimized and manufactured separately, then assembled together, making the complex multi-layer structure more manageable in terms of manufacturing and assembly.
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 radiation shields effectively reduce the amount of radiation reaching the electronics sub-assembly, extending its lifespan and maintaining detection accuracy.
Implementation Method 1
one or more radiation shields between the first substrate and the second substrate... block and attenuate radiation, thereby protecting the electronics sub-assembly from damage
Data Source
AI summary
A radiation scanning system comprises a radiation detection sub-assembly, and a routing sub-assembly coupled to the radiation detection sub-assembly. The radiation detection sub-assembly comprises a first substrate electrically connected to the radiation detection sub-assembly, and a second substrate electrically connected to the first substrate. The radiation scanning system further comprises one or more radiation shields between the first substrate and the second substrate, and one or more semiconductor dice electrically connected to the second substrate on a side of the second substrate opposite the first substrate. Related radiation detector arrays radiation scanning systems are also disclosed.