Open-Web Contact Pad Support for Wear and Moisture Sealing
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Solution Overview
Problem
Existing electrical supports for contact pads lack sufficient mechanical reinforcement and chemical stability, which can lead to wear and moisture-related issues under load.
Innovation Solution
An electrical support comprising an insulating viscoelastic matrix with embedded elastically deformable conductive structures forming an open web, featuring a stiffer core section and a more flexible connection section, providing mechanical reinforcement and chemical stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing electrical supports are used for contact pads, then electrical conduction is enabled, but mechanical reinforcement and chemical stability are insufficient leading to wear and moisture-related issues
Solution Approach 1:
The patent employs a composite structure consisting of a viscoelastic matrix material combined with conductive elements (such as metal traces or particles). This composite approach provides both mechanical reinforcement through the matrix and electrical conduction through the conductive elements, while also offering chemical stability and protection against moisture and wear.
Solution Approach 2:
The viscoelastic matrix acts as a flexible protective layer that can deform under load while maintaining structural integrity. This flexible shell protects the conductive elements from mechanical wear and environmental factors such as moisture, thereby improving reliability without compromising electrical function.
2Strength
If rigid structures are used to provide mechanical reinforcement, then strength is improved, but compliance under load deteriorates
Solution Approach 1:
The patent utilizes materials with viscoelastic properties that exhibit parameter changes based on loading conditions. The matrix material can transition between more rigid and more compliant states depending on the applied stress, temperature, and time, allowing the structure to provide both strength and compliance as needed.
Solution Approach 2:
The composite structure exhibits local quality variations where the viscoelastic matrix provides compliance in certain regions while conductive elements maintain structural strength in other areas. This spatial differentiation of material properties allows simultaneous achievement of both mechanical reinforcement and load compliance.
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 support maintains structural stability and electrical conductivity while providing compliance under load, reducing wear and sealing against moisture and contaminants.
Implementation Method 1
an insulating viscoelastic matrix, and at least one elastically deformable structure made of a conductive material
Implementation Method 2
at least one elastically deformable structure made of a conductive material to form an open web
Implementation Method 3
the structure includes a stiffer section corresponding substantially to the core part of the structure and at least one more flexible section corresponding substantially to the at least one connection part of the structure
Implementation Method 4
sealing against moisture and contaminants
Data Source
AI summary
In some aspects, it is disclosed an electrical support for at least one electrical contact pad, including an insulating viscoelastic matrix, and at least one elastically deformable structure made of a conductive material to form an open web, the at least one structure including at least a core part which is embedded within the insulating matrix, and at least one connection part which extends out of the insulating matrix and is configured to be connected to the at least one electrical contact pad, wherein the structure includes a stiffer section corresponding substantially to the core part of the structure and at least one more flexible section corresponding substantially to the at least one connection part of the structure.