Coil Component Asymmetric Electrode Design for High Q Factor
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Solution Overview
Problem
Miniaturized coil components for high-frequency applications face challenges in achieving high Q characteristics while maintaining low resistance and efficient magnetic field distribution.
Innovation Solution
A coil component design featuring external electrodes formed on one side of the body, with both ends of the internal coil connected to these electrodes, reducing magnetic field induction area and resistance, thereby enhancing Q factor characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the coil component is miniaturized for high-frequency applications, then the size is reduced, but the Q factor characteristics deteriorate due to increased resistance and inefficient magnetic field distribution
Solution Approach 1:
The patent applies asymmetry by positioning both external electrodes on the same end surface of the coil component rather than distributing them symmetrically on opposite ends. This asymmetric electrode arrangement optimizes the magnetic field distribution and reduces resistance in miniaturized components, thereby improving Q factor characteristics while maintaining small size.
2Volume of moving object
If the coil component is miniaturized, then the size is reduced, but the resistance increases leading to higher energy loss
Solution Approach 1:
The asymmetric positioning of both external electrodes on the same end surface reduces the current path length and optimizes magnetic field confinement, thereby reducing resistive losses and energy dissipation in miniaturized coil components.
3Volume of moving object
If the coil component is miniaturized, then the size is reduced, but the magnetic field distribution becomes inefficient
Solution Approach 1:
The asymmetric electrode configuration on the same end surface creates an optimized magnetic field distribution pattern that confines the magnetic flux more effectively within the miniaturized component, improving inductance efficiency and reducing leakage inductance.
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 design improves Q factor characteristics by smoothing the magnetic flux flow and reducing resistance, making the coil component suitable for high-frequency applications with enhanced performance.
Implementation Method 1
A coil component may include a body including an internal coil... The first external electrode and the second external electrode may be formed on the same one side portion of the lower surface of the body... smoothing the magnetic flux flow
Data Source
AI summary
A coil component includes a body including an internal coil and including an upper surface and a lower surface opposing each other in a thickness direction thereof; a first external electrode connected to one end of the internal coil; and a second external electrode connected to the other end of the internal coil. The first external electrode and the second external electrode may be formed on the same one side portion of the lower surface of the body.