Patterned Substrate Biosensor Segmentation for Stretchable Wearables
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Solution Overview
Problem
The development of stretchable biosensors that can improve reusability and adaptability in various environments remains a challenge, as existing biosensors often face issues with durability and compatibility when subjected to deformation or stress.
Innovation Solution
The electronic device incorporates a patterned substrate with main and connecting portions, biosensors, a conductive line, and an insulating layer, where the conductive line electrically connects adjacent biosensors, and the insulating layer reduces stress on the biosensors, enhancing their durability and adaptability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If biosensors are made stretchable to improve adaptability, then adaptability is improved, but durability deteriorates due to stress and deformation
Solution Approach 1:
The substrate is divided into main portions and connecting portions, where the connecting portions can deform independently to accommodate stretching while the main portions maintain structural integrity and support the biosensors. This segmentation allows the device to be stretchable without compromising the durability of the biosensor regions.
Solution Approach 2:
Different regions of the substrate have different properties: the main portions are designed to be rigid enough to support biosensors, while the connecting portions are designed to be flexible and stretchable. This local differentiation allows the device to achieve both adaptability through stretching and durability at the biosensor locations.
2Adaptability or versatility
If the substrate is made flexible to allow deformation, then adaptability is improved, but measurement precision deteriorates due to stress on biosensors
Solution Approach 1:
By segmenting the substrate into main and connecting portions, the biosensors are located on the main portions that experience minimal stress during deformation. The connecting portions absorb the mechanical stress, isolating the biosensors from stress-induced measurement errors and maintaining measurement precision while allowing overall device flexibility.
Solution Approach 2:
The connecting portions act as intermediaries that mechanically decouple the biosensors on the main portions from the deformation forces. This intermediary structure allows the substrate to be flexible and adaptable while protecting the biosensors from stress that would compromise measurement precision.
3Adaptability or versatility
If the substrate is patterned to support multiple biosensors, then functionality is improved, but device complexity increases
Solution Approach 1:
The patterned substrate with main and connecting portions provides a modular framework that simplifies the integration of multiple biosensors. Each main portion can independently support a biosensor, and the repeating pattern of main and connecting portions creates a scalable structure that reduces design complexity compared to custom-designed layouts for multiple sensors.
Data Source
AI summary
An electronic device is provided by the present disclosure. The electronic device includes a patterned substrate having a plurality of main portions and a plurality of connecting portions, wherein at least one of the plurality of connecting portions connects two adjacent ones of the plurality of main portions, a plurality of biosensors disposed corresponding to the plurality of main portions, a conductive line disposed on the at least one of the plurality of connecting portions and electrically connecting two adjacent ones of the plurality of biosensors, and an insulating layer disposed on the plurality of biosensors and the conductive line.