Multi-layer Housing for Portable X-ray Detector
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Solution Overview
Problem
Portable digital X-ray detectors require lighter, thinner, and more durable designs to maintain ergonomic and structural integrity while reducing assembly costs, as existing plastic enclosures are prone to damage and expose internal electronics to environmental conditions.
Innovation Solution
A multi-layer housing structure is introduced, with a polymer-based first layer and a second layer providing structural integrity, potentially including metal mesh or plating, to maintain the integrity of the first layer in case of damage and prevent electronic exposure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a single-layer polymer housing is used, then the detector assembly is lighter and easier to manufacture, but the housing lacks durability and structural integrity when damaged
Solution Approach 1:
The housing is constructed as a composite structure with a first layer made of polymer material and a second layer made of metal material formed on or in the first layer. This composite design combines the lightweight and ease of manufacturing of polymer with the strength and durability of metal, resolving the contradiction between housing durability and structural complexity.
2Reliability
If a single-layer polymer housing is used, then the assembly process is simpler, but the internal electronics are exposed to environmental conditions when the housing breaks
Solution Approach 1:
The metal second layer is formed on or in the polymer first layer through manufacturing processes such as electroplating, electroless plating, or co-molding. This integrated composite structure provides continuous protection for internal electronics without requiring separate assembly steps, maintaining ease of manufacture while significantly improving reliability by preventing electronics exposure even when the outer polymer layer is damaged.
3Weight of moving object
If the housing is made lighter and thinner for portability, then ergonomics improve, but the structural integrity and damage resistance decrease
Solution Approach 1:
The housing uses a thin polymer first layer for lightweight and portable design, combined with a metal second layer that provides enhanced strength and damage resistance. This composite approach allows the housing to remain light and thin for improved ergonomics while the metal layer ensures structural integrity and protection against damage.
Data Source
AI summary
In one embodiment, a portable X-ray detector assembly is provided comprising a detector array and a housing for the detector array. The housing is provided as a multi-layer structure in which at least one layer improves or increases the structural integrity of other layers of the housing. In certain embodiments, the structural integrity layer also acts to reduce or eliminate electromagnetic interference that might otherwise affect the detector or other electronics in the vicinity of the detector.