Laminated Ceramic Component Electrode Stacking
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Solution Overview
Problem
Existing laminated ceramic electronic components face limitations in increasing the area of internal electrodes due to their common ceramic layer structure, which restricts the integration of multiple capacitors with varying characteristics within a single chip, making it difficult to efficiently reduce mounting space and costs in miniaturized electronic devices.
Innovation Solution
A laminated ceramic electronic component design featuring multiple ceramic layers with internal electrodes arranged in different configurations to increase the area of each internal electrode, allowing for the integration of multiple functional portions with varying characteristics, and using marking conductors to differentiate their directionality for efficient mounting and discrimination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If internal electrodes are disposed on a common ceramic layer to create multiple capacitors, then the number of capacitors increases, but the area of each internal electrode is limited
Solution Approach 1:
The patent transitions from a two-dimensional arrangement of internal electrodes on a single ceramic layer to a three-dimensional stacked configuration across multiple ceramic layers. This dimensional change allows internal electrodes to be arranged vertically, increasing both the number of capacitors and the effective area of each electrode without conflicting spatial constraints.
Solution Approach 2:
The patent divides the single ceramic layer structure into multiple segmented ceramic layers, with each layer containing specific internal electrodes. This segmentation allows independent optimization of electrode areas in different layers while maintaining the overall multi-capacitor configuration, resolving the conflict between quantity and area.
2Area of stationary object
If multiple functional portions are integrated in a single chip to reduce mounting space, then mounting area decreases, but discrimination of directionality becomes difficult
Solution Approach 1:
The patent introduces asymmetric marking conductors with different shapes, sizes, or patterns on the external surfaces of the multi-layer capacitor. These asymmetric markers provide visual or automated detection cues that enable easy discrimination of the component's orientation and directionality, even when multiple functional portions are densely integrated in a single chip.
3Area of moving object
If the number of internal electrodes on a common ceramic layer is reduced to increase electrode area, then the area of each internal electrode increases, but the number of capacitors decreases
Solution Approach 1:
By stacking multiple ceramic layers vertically, the patent creates additional spatial dimensions for electrode arrangement. This allows the system to maintain a reduced number of internal electrodes per layer (increasing individual electrode area) while compensating for the total capacitor count through the multiplication effect of multiple layers.
Data Source
AI summary
In a laminated ceramic electronic component, a first functional portion and a second functional portion are disposed within a ceramic element body so as to be adjacent to each other along a height direction, first and second internal electrodes face each other through a ceramic layer in the first functional portion, and third and fourth internal electrodes whose number of laminated layers is different from the number of laminated layers of the first and second internal electrodes face each other through the ceramic layer in the second functional portion. A marking internal conductor is disposed on the same plane as the first internal electrode and/or the second internal electrode, a marking external conductor is disposed on the side surface of the ceramic element body so as to link a plurality of exposed marking internal conductors such that it is possible to recognize vertical directionality.