Electronic Device Housing Texture via Flowable Paint Layer Stacking
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current manufacturing methods for electronic device housing structures struggle to create three-dimensional texture patterns on complex surfaces during mass production, as in-mold decoration technologies are limited by the difficulty of forming films and are not suitable for surfaces with significant curvature, leading to issues like wrinkling and cracking.
Innovation Solution
A three-layer manufacturing method involving a first structural layer, a painting layer, and a second structural layer, where the painting layer is flowable between the other two layers, allowing it to be washed and squeezed during stacking to form random texture patterns, thereby simplifying the process and eliminating the need for additional steps.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If in-mold decoration technology is used to mass produce housing structures, then productivity is improved, but the ability to create three-dimensional texture patterns on complex surfaces deteriorates
Solution Approach 1:
The patent changes the physical state parameter of the painting layer from solid to flowable by controlling temperature. The painting layer is maintained in a flowable state during the stacking process, allowing it to adapt to complex surface contours. When the housing structure cools down after manufacturing, the painting layer solidifies to form the final product with three-dimensional texture patterns on complex surfaces.
2Manufacturing precision
If in-mold decoration technology is used, then manufacturing precision for flat surfaces is improved, but the ability to handle surfaces with significant curvature deteriorates
Solution Approach 1:
The patent utilizes temperature parameter control to maintain the painting layer in a flowable state during the stacking process on curved surfaces. This allows the painting layer to conform to complex surface geometries without wrinkling or cracking, achieving both manufacturing precision and adaptability to curved surfaces.
Solution Approach 2:
The patent introduces dynamic properties to the painting layer by keeping it flowable during the stacking process. This dynamic state allows the painting layer to adapt to the complex geometry of curved surfaces. After stacking, the painting layer solidifies to provide the required structural integrity and pattern definition.
3Ease of manufacture
If additional post-manufacturing coating processes are used to create texture patterns, then the aesthetic appearance is improved, but the manufacturing complexity and processing time increase
Solution Approach 1:
The patent merges the texture pattern creation process with the housing structure manufacturing process itself. By incorporating the painting layer between structural layers and utilizing the stacking process to wash and squeeze the painting layer, the texture pattern is formed during manufacturing rather than as a separate post-processing step, thereby reducing overall manufacturing complexity.
Solution Approach 2:
The patent performs the texture pattern creation action preliminarily during the stacking process itself. The painting layer is prepared in a flowable state before stacking, and the washing and squeezing action occurs during the stacking process, creating the texture pattern before the final product is completed and cooled, eliminating the need for additional post-manufacturing steps.
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 method enables the creation of random texture patterns on electronic device housing structures with complex surfaces without additional processing steps, saving time and cost while enhancing the aesthetic appeal by producing a three-dimensional effect.
Implementation Method 1
the painting layer is flowable between the first structural layer and the second structural layer, allowing it to be washed and squeezed during stacking
Data Source
AI summary
A manufacturing method of housing structure of electronic device is provided. The manufacturing method includes stacking a first structural layer, a painting layer, and a second structural layer, wherein the painting layer is located between the first and the second structural layers. The layer stacked after the painting layer washes and squeezes at least a portion of the flowing painting layer to form a random texture pattern.