Multispectral Cloak Fabric for Optical and Infrared Concealment
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Solution Overview
Problem
Existing cloak systems are ineffective in simultaneously evading detection by both light responsive and infrared heat responsive devices, lacking in safety, reliability, convenience, and cost-effectiveness.
Innovation Solution
A multi-spectral cloak system featuring fabric with a printed pattern of irregular, non-repeating spots and metallic components that absorb infrared heat, combined with near-infrared absorbing coatings to create optical interference, making the fabric invisible to thermal and night vision devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional single-layer fabric is used, then manufacturing is simple and cost-effective, but the fabric can be detected by both light responsive and infrared devices
Solution Approach 1:
The patent applies composite materials by combining fabric with multiple functional layers including metallic particles for infrared reflection, dielectric layers for thermal management, and optical patterns for light interference. This multi-layer composite structure enables simultaneous evasion of both light responsive and infrared detection devices while maintaining fabric flexibility and manufacturability
Solution Approach 2:
The fabric is segmented into distinct functional layers: a base fabric layer, metallic particle dispersion layer for infrared reflection, dielectric layer for thermal insulation, and optical pattern layer for light interference. Each layer performs a specific function, allowing the overall system to evade multiple detection types simultaneously while keeping the manufacturing process modular and manageable
2Reliability
If metallic particles are added to the fabric, then infrared detection is abated, but the fabric becomes more complex and expensive to manufacture
Solution Approach 1:
The metallic particles are dispersed directly into the fabric during the manufacturing process using existing textile processing techniques, eliminating the need for separate coating or assembly steps. The fabric structure itself serves as the carrier for the metallic particles, integrating the infrared evasion function into the base material without requiring additional complex manufacturing equipment or processes
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 system effectively renders objects or individuals invisible to thermal imaging and night vision equipment, providing safe, reliable, and economical camouflage in various environments.
Implementation Method 1
The design color has a plurality of irregular, non-repeating spots. The printed pattern is adapted to abate identification of the fabric by a light responsive device.
Implementation Method 2
The fabric also includes metal extending throughout. The metal is adapted to abate identification of the fabric by an infrared, heat responsive device.
Data Source
AI summary
Fabric has a printed pattern with a base color and at least one design color. The design color has a plurality of irregular, non-repeating spots. The printed pattern is adapted to abate identification of the fabric by a light responsive device. The fabric also includes metal extending throughout. The metal is adapted to abate identification of the fabric by an infrared, heat responsive device.