Electronic Component Mark Recess for Direction Identification
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Solution Overview
Problem
Existing electronic components face challenges in determining direction due to limited space for marks, which can interfere with electrodes and reduce visibility, and require high reading accuracy for asymmetric shapes, making it difficult to determine direction based on mark shape rather than position.
Innovation Solution
The electronic component features a mark formed in a recess on its outer surface, allowing for enhanced visibility through differences in brightness and pattern recognition, enabling direction determination based on mark position.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the mark is formed at the central portion of the outer surface of the element body, then the space utilization is improved, but the direction determination capability deteriorates
Solution Approach 1:
The invention applies asymmetry by forming a recess at an off-center position relative to the mark. This creates an asymmetric configuration where the mark and recess together form a directionally identifiable pattern, even when the mark itself is centrally positioned. The asymmetric placement of the recess provides the necessary directional information that would otherwise be lost with a purely central mark configuration.
2Area of stationary object
If the size of the mark is reduced to fit limited space, then the space constraint is improved, but the visibility of the mark deteriorates
Solution Approach 1:
The invention transitions from a two-dimensional mark on the surface to a three-dimensional structure by forming a recess that contains the mark. This dimensional change allows the mark to be positioned within the recess depth, effectively utilizing the third dimension (depth) to accommodate the mark while maintaining its visibility. The recess creates a physical depression that enhances the mark's prominence without requiring increased lateral space.
Solution Approach 2:
The invention utilizes optical contrast changes by forming a recess that creates differences in light reflection and shadow. The recessed portion containing the mark reflects light differently compared to the surrounding flat surface, creating visual contrast that enhances mark visibility. This optical effect allows smaller marks to remain visible through brightness and shadow variations rather than relying solely on mark size.
3Ease of manufacture
If the mark is formed without a recess, then the manufacturing process is simplified, but the visibility and direction determination accuracy deteriorate
Solution Approach 1:
The invention applies preliminary action by forming the recess structure before or during the mark formation process. The recess is prepared in advance as a receptacle that will contain the mark, ensuring proper positioning and enhancing visibility from the outset. This preliminary structural preparation facilitates subsequent mark formation while guaranteeing the desired visibility and directional identification properties.
Data Source
AI summary
To provide an electronic component capable of determining a direction of the component based on a position of a mark in an element body while enhancing visibility of the mark. An electronic component includes an element body, a mark formed on an principal surface of the element body, and a recess is formed on the principal surface of the element body. A part of the mark is formed in a part of the recess. Therefore, when viewed from an orthogonal direction orthogonal to the principal surface of the element body, a part of the mark overlaps a part of the recess.