Coil Component Surface Reflectance Layout for Clear Sign Recognition
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Solution Overview
Problem
Existing coil components struggle with making signs on their surface easily recognizable, as the signs often blend in with the surrounding surface, making them difficult to identify visually or through photographs.
Innovation Solution
A coil component design featuring a base body with distinct reflectance regions: a high reflectance region, a low reflectance region, and a sign region with a higher reflectance than the low reflectance region, allowing the sign to stand out visually.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If a sign is formed on the surface of the base body using conventional printing methods, then the sign can be applied to convey information, but the sign blends in with the surrounding surface and becomes difficult to recognize visually or through photographs
Solution Approach 1:
The base body surface is divided into regions with different reflectance properties: a first region with high reflectance, a second region with low reflectance, and a third region (sign) with high reflectance surrounded by the second region. This local differentiation of optical properties makes the sign clearly distinguishable from the surrounding surface.
Solution Approach 2:
The invention uses reflectance contrast (optical property change) rather than conventional color printing to make the sign recognizable. The sign region has higher reflectance than the surrounding low reflectance region, creating a visible contrast that enhances recognizability without requiring complex printing processes.
2Loss of information
If the base body surface is made uniform in reflectance, then the manufacturing process is simple, but the sign cannot be easily distinguished from the surrounding surface
Solution Approach 1:
Instead of making the entire surface uniform, the invention applies different reflectance properties to specific local regions. The first region has high reflectance, the second region has low reflectance, and the third region (sign) has high reflectance, creating a pattern that enhances sign visibility while maintaining manufacturing feasibility.
Solution Approach 2:
The base body surface is segmented into distinct regions with different reflectance characteristics. This segmentation into first, second, and third regions allows the sign to be visually distinguished from the surrounding surface while using straightforward manufacturing processes for each region.
3Loss of information
If conventional printing methods are used to form signs on the base body, then the manufacturing process is straightforward, but precise alignment of imaging devices is required for proper recognition
Solution Approach 1:
The invention uses reflectance contrast (optical property differentiation) rather than conventional color printing to create the sign. The high reflectance sign region surrounded by a low reflectance region creates a naturally visible contrast that can be easily captured by imaging devices without requiring precise alignment, as the reflectance difference is inherent to the surface structure.
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
The design enhances the contrast between the sign region and the surrounding low reflectance region, making the sign easily recognizable both visually and in photographs, without the need for precise alignment of imaging devices.
Implementation Method 1
The base body has on its surface a first region that has a first reflectance, a second region that has a second reflectance lower than the first reflectance, and a third region that is surrounded by the second region and has a third reflectance higher than the second reflectance
Data Source
AI summary
A coil component according to one or more embodiments of the invention includes a base body, a coil conductor embedded in the base body, and an external electrode provided on the base body. The base body has on its surface a first region that has a first reflectance, a second region that has a second reflectance lower than the first reflectance, and a third region that is surrounded by the second region and has a third reflectance higher than the second reflectance. The third region has a shape of a sign.