Reel-to-Reel PCB Clamping for Uniform Continuous Plating
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Solution Overview
Problem
Existing panel-type multi-layer printed circuit board manufacturing methods face issues with thickness variation, automation difficulties, and high defect rates due to material damage during processing.
Innovation Solution
A reel-to-reel circuit board manufacturing apparatus that uses clamps with elastic bodies and magnet portions to stabilize and tension the material, allowing continuous plating and automated processing, with adjustable clamp arms to navigate obstacles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If panel-type plating method is used, then manufacturing process can be performed, but thickness variation between panels and within panels occurs
Solution Approach 1:
The patent divides the continuous material processing into sequential panel sections that pass through the plating process one after another. Each panel is processed individually while maintaining continuous material flow, allowing precise control of thickness for each panel while achieving high productivity through uninterrupted processing.
2Extent of automation
If panel-type manufacturing is used, then multi-layer PCB can be manufactured, but automation is difficult and operator errors occur
Solution Approach 1:
The system implements automated material handling where the continuous material feed automatically passes through uncoiling, plating, and winding sections without manual intervention. The process self-regulates through continuous material flow control, eliminating operator errors while maintaining full automation capability for multi-layer PCB manufacturing.
3Reliability
If panel-type processing is used, then PCB manufacturing can be performed, but material damage occurs frequently
Solution Approach 1:
The patent implements continuous plating processing where material flows uninterrupted from uncoiling through plating to winding. This continuous action eliminates repeated handling and positioning operations that cause material damage in traditional panel-type processing, maintaining material integrity while achieving high productivity through non-stop manufacturing.
4Productivity
If reel-to-reel continuous plating is implemented, then productivity increases, but material must be continuously moved and fixed
Solution Approach 1:
The clamp device performs multiple functions: it fixes the material during plating, releases it for winding, and can be positioned at different locations along the material path. This multi-functional clamp system enables continuous material flow and high productivity while managing the complexity of reel-to-reel processing through a single versatile fixing mechanism.
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
Enables stable and efficient manufacturing of circuit boards with reduced defects by maintaining material integrity and facilitating automated, continuous plating processes.
Implementation Method 1
The first-and-second clamp linkage may have an elastic body that provides a tension between the first and second clamps
Implementation Method 2
The first-and-second clamp linkage may have a magnet portion so as to provide a tension between the first and second clamps
Data Source
AI summary
A reel-to-reel circuit board manufacturing apparatus according to an embodiment of the present disclosure includes: a material which is moved while being wound and unwound by an uncoiler and a recoiler, and a clamp that is arranged so that a width direction of the material matches a lengthwise direction thereof, and is configured to fix the material, wherein the clamp includes a first clamp and a second clamp formed on opposite ends thereof, and a first-and-second clamp linkage formed between the first and second clamps.