Heat-Shrunk Electromagnetic Attenuation Boot for Field Retrofit
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Solution Overview
Problem
Current methods for applying electromagnetic attenuation coatings, such as spraying, are costly, labor-intensive, and require specialized equipment and potentially hazardous chemicals, making them undesirable for widespread use.
Innovation Solution
A method involving a boot with a thermoplastic layer and an electromagnetic attenuation layer that is heat-shrunk onto the object's surface, providing electromagnetic attenuation without the need for spraying, and allowing for retrofitting or repairing in the field.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If spraying method is used to apply electromagnetic attenuation coatings, then electromagnetic attenuation can be achieved, but the process becomes costly and labor intensive
Solution Approach 1:
The patent changes the application method from spraying to heat-shrinking pre-formed boots. This parameter change transforms the coating application process into a mechanical attachment process, eliminating the need for spray equipment and hazardous chemicals while reducing labor costs and improving productivity.
Solution Approach 2:
The patent segments the electromagnetic attenuation coating into pre-formed boot components that can be manufactured separately and then attached to the object. This segmentation allows for factory pre-manufacturing of the attenuation layers, reducing on-site labor requirements and costs while maintaining effective electromagnetic attenuation.
2Reliability
If spraying method is used to apply electromagnetic attenuation coatings, then electromagnetic attenuation can be achieved, but specialized equipment and environments are required
Solution Approach 1:
The patent extracts the electromagnetic attenuation function from the spraying process and embeds it into pre-formed boot components. This extraction eliminates the need for specialized spray equipment and controlled environments, as the attenuation layers are already manufactured and simply need to be heat-shrunk onto the object using basic heating equipment.
Solution Approach 2:
The patent replaces the complex spraying mechanical system with a simpler heat-shrinking process. Instead of requiring spray guns, compressors, and controlled environments, the new method uses only heating equipment to shrink the pre-formed boots, dramatically reducing device complexity.
3Reliability
If spraying method is used to apply electromagnetic attenuation coatings, then electromagnetic attenuation can be achieved, but potentially dangerous chemicals are used
Solution Approach 1:
The patent uses pre-formed boots as disposable or reusable coverings that are attached to the object and then discarded or removed after use. This eliminates the need for hazardous chemical coatings, as the electromagnetic attenuation is achieved through the physical structure and material composition of the boots rather than through chemical spraying.
4Productivity
If heat-shrunk boot is used instead of spraying, then labor costs are reduced and application is simplified, but the object surface must accommodate a pre-formed boot shape
Solution Approach 1:
The patent applies local quality by creating boots with specific shape characteristics tailored to match particular object surfaces. Each boot can be customized with the appropriate geometry, curvature, and dimensions to fit specific locations on the object, ensuring good conformal contact while maintaining the advantages of the heat-shrinking application method.
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 approach reduces labor costs, eliminates the need for specialized environments and hazardous chemicals, and enables rapid, consistent application of electromagnetic attenuation materials, while maintaining effective electromagnetic signal attenuation.
Implementation Method 1
heat shrinking onto an object a boot that includes an electromagnetic attenuation layer
Implementation Method 2
an electromagnetic attenuation layer at least partially overlapping the thermoplastic layer
Data Source
AI summary
Electromagnetic attenuation of an object is accomplished by attaching a boot to a surface of an operational part of the object. The boot includes a thermoplastic material, such as in a thermoplastic layer, and an electromagnetic attenuation material, such as in an electromagnetic attenuation layer that overlies at least part of the thermoplastic layer. The attaching is accomplished by placing the boot onto the operational part, and then heat shrinking the boot to attach the boot to the operational part. The electromagnetic attenuation layer may have gaps in it prior to the heat shrinking, gaps that are closed during the heat shrinking, to the greater contraction of the thermoplastic layer. The boot and method may be used to advantageously provide electromagnetic attenuation without a need for spraying processes. The method may be used to retrofit and/or repair an object, without needed to remove it from the field.