Multi-Layer Magnetic Conductive Substrate for Wireless Charging
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Solution Overview
Problem
The complexity and increased production cost of magnetic conductive substrates for wireless charging devices arise from the need for different magnetic permeabilities to support various coils, making it challenging to design a substrate that efficiently operates across different coil types.
Innovation Solution
A magnetic conductive substrate comprising multiple layers with distinct magnetic permeabilities, where the second layer is positioned between the first and third layers, allowing for adjustable magnetic permeability by varying the thickness and arrangement of gaps, enabling the substrate to match specific coil requirements without additional processing complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If different magnetic conductive substrates with different magnetic permeabilities are used for different coils, then the operational efficiency is improved, but the process complexity and production cost increase
Solution Approach 1:
The magnetic conductive substrate is segmented into multiple layers (first magnetic conductive layer, second magnetic conductive layer, third magnetic conductive layer) with different magnetic permeabilities. This segmentation allows each layer to contribute differently to magnetic field concentration, achieving high operational efficiency while using a standardized multi-layer structure for all coils rather than requiring different substrates for each coil type.
Solution Approach 2:
The multi-layer magnetic conductive substrate with different magnetic permeabilities serves as a universal solution that can be applied to different coil types. By optimizing the combination and arrangement of layers with different permeabilities, the same substrate structure can be used across various wireless charging devices, reducing both process complexity and production cost while maintaining high operational efficiency.
2Reliability
If different magnetic conductive substrates with different magnetic permeabilities are used for different coils, then the operational efficiency is improved, but the production cost increases
Solution Approach 1:
The magnetic conductive substrate uses composite material structure with multiple layers of different magnetic permeabilities. This composite approach allows the substrate to achieve superior magnetic field concentration properties that improve operational efficiency, while the layers can be manufactured using standard deposition or lamination processes, keeping production costs manageable through economies of scale and standardized manufacturing.
3Device complexity
If a single magnetic conductive substrate is used for all coils, then the process complexity and production cost are reduced, but the operational efficiency for specific coil types decreases
Solution Approach 1:
Different layers in the magnetic conductive substrate have different magnetic permeabilities tailored to specific functional requirements. The first, second, and third layers can be optimized with different permeability values to handle different aspects of magnetic field management, allowing the single substrate structure to efficiently serve multiple coil types while maintaining low process complexity and production cost.
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 design simplifies the production process, reduces costs, and enhances the operational efficiency of wireless charging coils by allowing the magnetic permeability of the substrate to be tailored to different coils, thereby improving charging conversion efficiency.
Implementation Method 1
The first magnetic conductive layer has a first magnetic permeability, the second magnetic conductive layer has a second magnetic permeability, and the third magnetic conductive layer has a third magnetic permeability
Data Source
AI summary
A magnetic conductive substrate is provided and is used for wireless charging or wireless communication. The magnetic conductive substrate includes a first magnetic conductive layer, a second magnetic conductive layer, and a third magnetic conductive layer. The first magnetic conductive layer has a first magnetic permeability, the second magnetic conductive layer has a second magnetic permeability, and the third magnetic conductive layer has a third magnetic permeability. The second magnetic conductive layer is disposed between the first magnetic conductive layer and the third magnetic conductive layer, the first magnetic permeability is different from the second magnetic permeability, and the second magnetic permeability is different from the third magnetic permeability.