Transparent Open Container Assembly for Antenna Back Radiation
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Solution Overview
Problem
The deployment of small cells for 5G network densification is hindered by challenges such as difficulty in finding locations, high costs for fiber and electricity installation, and urbanistic regulations, while existing solutions do not adequately address back radiation from antennas installed in front of glazing.
Innovation Solution
A method for manufacturing a transparent open container using a continuous metallic-based sheet with folding lines and a transparent dielectric panel to form a folded structure that surrounds the antenna, reducing back radiation by controlling electromagnetic field emissions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional glass molding methods are used, then manufacturing simplicity is maintained, but manufacturing precision deteriorates due to inability to produce complex 3D shapes
Solution Approach 1:
The molding process is segmented into two distinct stages: first forming a preliminary mold with basic shape, then applying a separate stretching process to achieve the final complex 3D geometry. This segmentation allows each stage to optimize for its specific function, improving overall manufacturing precision without requiring a single overly complex mold.
Solution Approach 2:
The preliminary mold is created first with the basic container shape, establishing a foundation that simplifies the subsequent stretching process. This preliminary action prepares the glass in an intermediate state that is more amenable to achieving complex final geometries with higher precision.
2Manufacturing precision
If glass is stretched to form complex shapes, then manufacturing precision improves, but the glass structure deteriorates due to internal stress and cracks
Solution Approach 1:
The stretching process parameters are carefully controlled and optimized, including temperature, stretching speed, and applied force. By adjusting these parameters, the glass is stretched into complex shapes while maintaining structural integrity and minimizing internal stress and cracking.
Solution Approach 2:
The glass is heated to an appropriate temperature before stretching to increase its ductility and reduce brittleness. This preliminary thermal treatment cushions the glass against the stresses of forming, preventing cracks and maintaining structural integrity during the complex shape formation process.
3Manufacturing precision
If thick glass is used for molding, then manufacturing precision improves, but productivity deteriorates due to longer processing time and higher energy consumption
Solution Approach 1:
Instead of uniformly thick glass throughout, the process uses glass of optimized thickness that varies locally according to the specific molding requirements. Thinner glass can be used in areas where high precision is less critical, while maintaining adequate thickness in areas requiring detailed mold reproduction, thus balancing precision and productivity.
Solution Approach 2:
The molding process is designed to operate continuously without interruption, maintaining optimal temperature and pressure conditions throughout the forming cycle. This continuous operation reduces processing time and energy consumption compared to batch processes with heating and cooling cycles, thereby improving productivity while maintaining precision.
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 solution allows for higher effective isotropic radiated power towards desired directions and lower emissions towards undesired directions, reducing health risks and complying with electromagnetic field regulations.
Implementation Method 1
heating a predetermined amount of glass in a glass melting furnace at a specific temperature
Implementation Method 2
stretching the same into a predetermined container shape while still soft
Implementation Method 3
rapidly cooling the same
Data Source
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AI summary
The present invention discloses a method for manufacturing a transparent open container, said method comprises a step A of providing a continuous metallic-based sheet, having a first surface and a second surface; the continuous metallic-based sheet, having folding lines forming a central zone and at least two lateral zones. The method comprises a step B of depositing on the first surface of the continuous metallic-based sheet, a transparent dielectric panel being fixed by an interlayer; forming a flat assembly, extending along a plane, P, defined by a longitudinal axis, X, and a vertical axis, Z; having a width, W, measured along the longitudinal axis, X, and a height, H, measured along the vertical axis, Z. The method further comprises a step D of bending on the folding lines the flat assembly to form the open container to form a transparent open container, defined by X, Z and a Y-axis, and having a depth, D, measured along the Y-axis.