Stacked Inductor Layout for Compact High-Q Electronic Components
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Solution Overview
Problem
Existing electronic components face challenges in improving the Q-value and achieving a compact design while maintaining consistent inductor characteristics.
Innovation Solution
The electronic component is designed with a specific configuration of conductors and connection conductors that connect multiple conductors in a stacking direction, including a second connection conductor that connects one conductor to two others, allowing for improved inductance and space-saving arrangements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional inductor configuration with two conductors is used, then the structure is simple, but the Q-value cannot be improved
Solution Approach 1:
The inductor is segmented into multiple conductors (first conductor with first and second end portions, second conductor with first and second end portions, third conductor, and fourth conductor) instead of using a single conventional inductor structure. This segmentation allows for optimized current distribution and reduced parasitic effects, thereby improving the Q-value while maintaining manageable structural complexity through systematic arrangement.
2Reliability
If conductors are arranged to improve inductance, then the Q-value improves, but the component size increases
Solution Approach 1:
The patent utilizes the stacking direction (vertical dimension) to arrange conductors and insulator layers, transitioning from a planar two-dimensional layout to a three-dimensional stacked configuration. Multiple conductors are positioned at different heights and connected via connection conductors, enabling improved inductance and Q-value without proportionally increasing the horizontal footprint, thus achieving compact component size.
Solution Approach 2:
The inductor structure employs a nested arrangement where conductors and insulator layers are stacked one upon another, with connection conductors integrating multiple conductors vertically. The first conductor, second conductor, third conductor, and fourth conductor are nested in the stacking direction, allowing efficient space utilization and improved electromagnetic characteristics within a compact volume.
3Volume of moving object
If conductors are disposed side by side to save space, then the component is downsized, but maintaining consistent inductor characteristics becomes difficult
Solution Approach 1:
The patent employs asymmetric positioning of conductors within the stacked structure, with specific conductors placed at different locations in the stacking direction and connected through strategically positioned connection conductors. This asymmetric arrangement optimizes the magnetic field distribution and current paths, ensuring consistent inductor characteristics while achieving compact dimensions. The first connection conductor and second connection conductor create asymmetric current loops that enhance performance uniformity.
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 configuration enhances the Q-value and enables a smaller component size while minimizing variations in inductor characteristics.
Implementation Method 1
an inductor disposed in the element body. The inductor includes a first conductor, a second conductor, a third conductor, a fourth conductor, a fifth conductor, and a sixth conductor extending in a stacking direction of the plurality of insulator layers, and a first connection conductor, a second connection conductor, a third connection conductor, and a fourth connection conductor
Data Source
AI summary
An electronic component includes an element body and an inductor. The inductor includes a first conductor, a second conductor, a third conductor, a fourth conductor, a fifth conductor, and a sixth conductor extending in a stacking direction of a plurality of element body layers, and a first inductor conductor, a second inductor conductor, a third inductor conductor, and a fourth inductor conductor. The first inductor conductor connects an end portion on one side of the first conductor in an extending direction and an end portion on one side of the second conductor in an extending direction. The second inductor conductor connects an end portion on the other side of the second conductor in the extending direction, an end portion on the other side of the third conductor in an extending direction, and an end portion on the other side of the fourth conductor in an extending direction.