Multilayer Ceramic Component Structure for High Capacitance Mounting
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Solution Overview
Problem
The challenge is to enhance the electrical characteristics of multi-layer ceramic electronic components, such as capacitors, without increasing the mounting area on circuit boards, while ensuring stable mounting and handling during the manufacturing and mounting processes.
Innovation Solution
A multi-layer ceramic electronic component design featuring a ceramic body with internal electrodes laminated in a specific direction, external electrodes connected orthogonally, and a center region on the main surfaces, allowing for increased height and capacitance without expanding the mounting area. The center region facilitates stable suction during mounting, preventing failures and ensuring smooth handling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the height of the ceramic body is increased to improve electrical characteristics and capacitance, then the electrical characteristics are improved, but the mounting area on the circuit board increases
Solution Approach 1:
The patent transitions from a conventional low aspect ratio ceramic body to a high aspect ratio configuration by significantly increasing the height dimension while maintaining a compact footprint. This dimensional change allows the component to achieve improved electrical characteristics and higher capacitance through increased internal electrode lamination without expanding the mounting area on the circuit board.
Solution Approach 2:
The patent changes the geometric parameters of the ceramic body, specifically setting the height to width ratio within 1.1 to 1.6 and controlling the center region area ratio between 0.6 to 0.95. These parameter optimizations enable increased capacitance and improved electrical characteristics while maintaining a compact mounting footprint through efficient space utilization.
2Reliability
If the aspect ratio of the ceramic body is increased to improve electrical characteristics, then the capacitance increases, but the handling and mounting difficulty increases
Solution Approach 1:
The patent introduces a center region with distinct properties on the main surface of the ceramic body, creating a localized area with optimized characteristics for mounting operations. This center region, occupying 60-95% of the main surface area, provides a stable suction area that ensures reliable handling and mounting of the high aspect ratio component, preventing tilting or failure during the mounting process.
Solution Approach 2:
The patent creates a new functional dimension by adding a centered regional feature on the ceramic body surface. This center region serves as a dedicated interface for mounting operations, providing stability and control during suction and placement, thereby enabling reliable mounting of components with increased height and capacitance.
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 improves electrical characteristics by increasing capacitance and maintains the mounting area, while ensuring reliable and stable mounting processes, even with a larger height-to-width ratio, thus contributing to the miniaturization of electronic devices.
Implementation Method 1
a suction nozzle for transferring the multi-layer ceramic electronic component at the time of mounting can come into close contact with the center region and can stably hold the center region
Data Source
AI summary
A multi-layer ceramic electronic component includes: a ceramic body that includes internal electrodes laminated in a first direction, and a pair of main surfaces including a center region facing in the first direction; and a pair of external electrodes connected to the internal electrodes and facing each other in a second direction orthogonal to the first direction, a dimension of the ceramic body in the first direction being 1.1 times or more and 1.6 times or less a dimension of the ceramic body in a third direction orthogonal to the first direction and the second direction, the center region being formed at a center portion of at least one of the pair of main surfaces in the second direction.