Fiber Optic Ferrule Processing Using Non-Contact Energy Sources
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Solution Overview
Problem
The manufacturing process of fiber optic connectors is labor-intensive and time-consuming due to the reliance on mechanical polishing techniques, which are costly and complex, especially in the geometry formation process known as Cleaving through Polish.
Innovation Solution
The use of non-contact energy sources such as plasma discharges, lasers, and infrared heating to remove undesired materials from the ferrule and optical fiber ends, potentially eliminating or reducing the need for mechanical polishing steps, thereby simplifying the processing and reducing manufacturing complexity and costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If mechanical polishing techniques are used to process ferrule and optical fiber ends, then surface quality and geometry can be achieved for optical signal transmission, but the manufacturing process becomes labor-intensive, time-consuming, and complex
Solution Approach 1:
The patent replaces mechanical polishing techniques with non-contact energy sources such as plasma discharges, lasers, and infrared heating. These energy sources directly process the ferrule and optical fiber ends to achieve the necessary surface quality and geometry without requiring mechanical contact, thereby eliminating the complexity associated with multiple polishing steps, polishing materials, and manual operations while maintaining the required precision for optical signal transmission
Solution Approach 2:
The patent changes the processing parameters from mechanical (abrasive forces, polishing pad pressure, feed rate) to energy-based parameters (plasma power, laser intensity, heating temperature). This fundamental parameter change allows for more precise control of the processing outcome and reduces the number of steps required to achieve the desired surface quality and geometry, thereby reducing manufacturing complexity
2Manufacturing precision
If multiple mechanical polishing steps are used to remove undesired materials, then clean end faces can be achieved, but the manufacturing cycle time increases and productivity decreases
Solution Approach 1:
The patent substitutes mechanical polishing steps with non-contact energy source processing that can remove undesired materials more rapidly. Plasma discharges, lasers, and infrared heating can vaporize or ablate contaminants, adhesive residues, and surface imperfections in a single step or fewer steps compared to traditional multi-step mechanical polishing, thereby reducing manufacturing cycle time and increasing productivity while maintaining the required surface quality
Solution Approach 2:
The patent enables the processing to skip through multiple intermediate polishing stages by using energy sources that can directly achieve the final surface quality in fewer steps. The non-contact energy sources can rapidly remove material and reach the desired surface condition without requiring the gradual progression through multiple polishing grades, thus rushing through the manufacturing process and reducing cycle time
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 approach simplifies the manufacturing process, reduces costs, and achieves the necessary surface quality and geometry for optical signal transmission without the need for extensive mechanical polishing, thereby enhancing the efficiency and effectiveness of fiber optic connector production.
Implementation Method 1
processing techniques using non-contact energy sources (e.g., plasma discharges, lasers, torches, infrared heating, etc.) can be used to remove undesired material (residues such as adhesive (e.g., epoxy), dust, electrostatic particles, or other contaminants) from the end face of a ferrule and/or the end face of an optical fiber
Implementation Method 2
processing techniques using non-contact energy sources (e.g., plasma discharges, lasers, torches, infrared heating, etc.) can be used to remove undesired material
Data Source
AI summary
The present disclosure relates generally to methods for processing ferrules of fiber optic connectors such that the amount of polishing that is required is eliminated or at least reduced. In one example, an energy source is used to remove excess adhesive from the end face of the fiber and likely from an end face of the ferrule.