Multi-Terminal Capacitor Layout for Feedthrough and LW Reversal Use
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Solution Overview
Problem
The existing capacitor technologies require separate preparation and management of feedthrough and LW reversal capacitors of the same size and capacitance, leading to complex storage and increased production costs for electronic-component-mounted circuit boards.
Innovation Solution
A multi-terminal capacitor design that can function as either a feedthrough or LW reversal capacitor, featuring a capacitor body with specific terminal configurations and manufacturing methods to extract capacitance using different sets of external terminals, allowing for unified production and mounting on circuit boards.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate feedthrough capacitors and LW reversal capacitors are prepared for the same size and capacitance, then the specific electrical functions are achieved, but the storage and management complexity increases and production costs rise
Solution Approach 1:
The capacitor is designed with six external terminals (first through sixth terminals) that can be configured to provide both feedthrough capacitor functionality and LW reversal capacitor functionality. The capacitor body includes first and second internal electrode layers with dielectric layers therebetween, where the external terminals are connected to these internal electrodes in specific patterns to achieve different capacitor types using the same physical component.
2Reliability
If separate feedthrough capacitors and LW reversal capacitors are prepared for the same size and capacitance, then the specific electrical functions are achieved, but the production cost increases
Solution Approach 1:
The capacitor is designed with six external terminals (first through sixth terminals) that can be configured to provide both feedthrough capacitor functionality and LW reversal capacitor functionality. The capacitor body includes first and second internal electrode layers with dielectric layers therebetween, where the external terminals are connected to these internal electrodes in specific patterns to achieve different capacitor types using the same physical component.
3Reliability
If multiple types of capacitors are prepared, then the specific electrical functions are achieved, but the variety of capacitor types increases
Solution Approach 1:
The capacitor is designed with six external terminals (first through sixth terminals) that can be configured to provide both feedthrough capacitor functionality and LW reversal capacitor functionality. The capacitor body includes first and second internal electrode layers with dielectric layers therebetween, where the external terminals are connected to these internal electrodes in specific patterns to achieve different capacitor types using the same physical component.
Data Source
AI summary
A multi-terminal capacitor is provided that can be used either as a feedthrough capacitor or as a LW reversal capacitor. A multi-terminal capacitor includes a capacitor body shaped like a rectangular parallelepiped. The capacitor body includes a capacitance forming portion configured to form capacitance between a first conductor film and a second conductor film facing each other with a dielectric film being interposed therebetween. On one of the surfaces of the capacitor body in the third direction, first and second external terminals electrically connected to the first conductor film, and a third external terminal electrically connected to the second conductor film are provided. On the other of the surfaces of the capacitor body in the third direction, fourth and fifth external terminals electrically connected to the first conductor film and a sixth external terminal electrically connected to the second conductor film are provided.