Electronic Component Bottom Recess Terminal Electrode Mounting
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Solution Overview
Problem
Electronic components with terminal electrodes on side surfaces face challenges in downsizing and narrowing mounting space due to their structural constraints.
Innovation Solution
The electronic component features a laminated body with recesses on its bottom surface, including cutout recesses at corners and a center, and terminal electrodes with conductive parts on recess walls, allowing for increased internal circuit space and improved bonding strength through solder entry, which reduces mounting space and enhances positional stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If terminal electrodes are arranged on side surfaces of the laminated body, then electrical connection is achieved, but the electronic component size and mounting space cannot be reduced
Solution Approach 1:
The patent transitions the terminal electrode arrangement from side surfaces to the bottom surface of the laminated body. By forming recesses on the bottom surface and placing terminal electrodes within these recesses, the design utilizes the bottom surface dimension effectively, enabling compact mounting while maintaining electrical connection functionality.
Solution Approach 2:
The terminal electrodes are nested within recesses formed on the bottom surface of the laminated body. This nesting approach allows the terminal electrodes to be integrated into the body structure rather than protruding outward, reducing the overall component footprint and mounting space requirement.
2Ease of manufacture
If the laminated body structure is used with side surface terminal electrodes, then manufacturing is simplified, but downsizing and mounting space reduction are difficult
Solution Approach 1:
The bottom surface of the laminated body is segmented into multiple recesses, each accommodating terminal electrodes. This segmentation allows for optimized space utilization and enables the component to achieve a smaller overall size while maintaining the simplicity of the laminated manufacturing process.
3Volume of stationary object
If recesses are formed on the bottom surface with terminal electrodes, then internal circuit space is increased, but manufacturing complexity increases
Solution Approach 1:
The recesses are designed with specific dimensional parameters, including depth and width ratios, that optimize the balance between internal circuit space and manufacturing complexity. By carefully controlling these geometric parameters, sufficient internal space is achieved while keeping the manufacturing process relatively simple.
Data Source
AI summary
An electronic component capable of downsizing and narrowing of a mounting space. The electronic component includes: a laminated body made up of a plurality of laminated insulator layers and having an upper surface and a bottom surface; a plurality of inner conductors disposed in the laminated body; and a plurality of terminal electrodes electrically connected to the plurality of inner conductors and exposed from the laminated body. The electronic component has a plurality of recesses formed on a bottom surface of the laminated body. The plurality of terminal electrodes includes first conductive parts formed on wall surfaces of the plurality of recesses.