Fiber Laser Packaging with Metallic Conduit
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Solution Overview
Problem
Fiber lasers are prone to breakage during handling and require efficient thermal management, with existing packaging methods being either inefficient or aesthetically unpleasing, leading to yield loss and perception of poor workmanship.
Innovation Solution
A protective conduit packaging system made of flexible materials like aluminum, copper, or steel, with a hollow cylindrical shape and splice windows for light management, that encases the fiber laser to prevent damage and enhance thermal conductivity through thermally conductive compounds.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If fiber laser is packaged using traditional methods (tape or potting compound), then the fiber laser is protected from breakage, but the packaging is aesthetically unpleasing and perceived as poor workmanship
Solution Approach 1:
The patent applies a flexible metallic conduit (thin film/shell) that encases the fiber laser, providing mechanical protection while maintaining an aesthetically pleasing appearance. The conduit acts as both a protective barrier and a finished cosmetic surface, eliminating the need for tape or visible potting compounds.
2Temperature
If fiber laser is packaged with robust thermal management (potting compound in machined grooves), then heat removal is efficient, but the packaging is complex and requires processing metal plates
Solution Approach 1:
The metallic conduit serves multiple functions simultaneously: it provides mechanical protection against breakage, acts as a thermal management system through inherent thermal conductivity, and serves as an aesthetic outer housing. This multi-functionality eliminates the need for separate potting compounds and machined groove structures.
Solution Approach 2:
The patent extracts the thermal management function from the complex machined plate structure and integrates it directly into the conduit material itself. The conduit's metallic composition provides inherent thermal conductivity, eliminating the need for separate thermal management components.
3Ease of repair
If fiber laser is accessed for repair by processing metal plate to remove potting compound, then the fiber laser can be accessed, but the process is time-consuming and the metal plate must be scrapped
Solution Approach 1:
The patent designs the conduit as a segmented or removable structure that can be opened or detached to access the fiber laser for repair. This segmentation allows the conduit to be reopened without destroying the entire housing, enabling repair access while preserving the housing for potential reuse.
4Adaptability or versatility
If fiber laser has small diameter for flexibility, then it can be coiled and handled, but it is susceptible to breakage during handling
Solution Approach 1:
The patent places the fragile fiber laser inside the protective metallic conduit, creating a nested structure where the outer conduit protects the inner fiber laser from mechanical damage during coiling and handling, while the fiber laser maintains its flexible, coiled configuration.
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 conduit packaging system effectively protects fiber lasers from breakage during handling and improves thermal management, reducing yield loss and enhancing the aesthetic appeal of the packaging.
Implementation Method 1
improves thermal management, reducing yield loss and enhancing the aesthetic appeal of the packaging
Data Source
AI summary
Packaging for a fiber laser includes a conduit surrounding the fiber laser and a thermally conductive compound filling a gap between the fiber laser and the conduit setting the fiber laser within the conduit. The fiber laser may have a substantially circular first cross section having a first diameter and the conduit may have a substantially circular second cross section having a second diameter larger than the first diameter of the fiber laser. The conduit may have a splice window cut out from a wall of the conduit and optical potting compound may fix a portion of the fiber laser under the splice window.