Silica-Filled Insulating Paste for Stretchable Wiring Films
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Solution Overview
Problem
Existing silicone rubber compositions for stretchable wiring substrates have limitations in film-forming property and stretch durability.
Innovation Solution
Incorporating silica particles into an insulating paste containing an elastomer composition and a solvent improves the film-forming property and stretch durability of insulating resin films.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If silica particles are added to the insulating paste, then film-forming property is improved, but device complexity increases
Solution Approach 1:
The patent applies composite materials by combining silica particles with elastomer composition and solvent to create an insulating paste with improved film-forming properties. The silica particles serve as a reinforcing filler that enhances the mechanical strength and film quality of the cured insulating layer, directly resolving the contradiction between improving manufacturing precision and managing device complexity.
2Reliability
If silica particles are added to the insulating paste, then stretch durability is improved, but manufacturing complexity increases
Solution Approach 1:
The addition of silica particles creates a composite material structure that enhances stretch durability. The silica reinforcement provides mechanical strength and resistance to deformation under stretching conditions, improving reliability while the one-step curing process maintains ease of manufacture.
Solution Approach 2:
The patent modifies the physical and chemical parameters of the insulating paste by incorporating silica particles with specific properties (particle size, surface treatment) to achieve improved stretch durability. This parameter change approach allows optimization of performance without fundamentally altering the manufacturing process.
3Strength
If silica particles are added to the insulating paste, then mechanical strength is improved, but processing complexity increases
Solution Approach 1:
The insulating paste is formulated as a composite material containing silica particles dispersed in an elastomer matrix. This composite structure provides enhanced mechanical strength through the reinforcing effect of silica, while the paste form maintains ease of application and processing.
Data Source
AI summary
An insulating paste of the present invention contains an elastomer composition containing silica particles (C) and a solvent.