Multi-Layer Air Waveguide Antenna Assembly Without Soldering
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Solution Overview
Problem
Manufacturing air waveguides with multiple metal-coated layers is expensive, especially in applications requiring mass production, such as the automotive industry, due to the use of soldering processes that can cause thermal damage and increase costs.
Innovation Solution
A multi-layered air waveguide antenna with layer-to-layer connections using mechanical interfaces like stud-based, snap fasteners, ball-and-sockets, or pressure contact interfaces, eliminating the need for soldering and reducing thermal risks, thereby lowering manufacturing costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If solder is used to mechanically bind and electrically couple metal-coated layers, then the layers are kept at a common electrical potential, but the manufacturing cost increases and thermal damage may occur
Solution Approach 1:
The patent extracts the harmful soldering process from the manufacturing method and replaces it with a mechanical fastening system using standoffs and fasteners. This eliminates the need for thermal processes while maintaining electrical coupling through conductive fasteners, thereby reducing manufacturing cost and avoiding thermal damage to the metal-coated layers.
Solution Approach 2:
The patent replaces the thermal soldering process with a mechanical fastening system. Standoffs provide structural support and positioning, while conductive fasteners establish electrical coupling between layers. This mechanical substitution eliminates thermal damage risks and reduces manufacturing complexity and cost.
2Reliability
If multiple metal-coated layers are manufactured and assembled, then the air waveguide antenna achieves proper electrical coupling, but the process becomes too expensive for mass production
Solution Approach 1:
The patent segments the air waveguide antenna into multiple pre-formed layers that can be independently manufactured and then assembled using simple mechanical fasteners. This segmentation allows for streamlined production of individual layers and facilitates rapid assembly through standardized fastening mechanisms, thereby enabling cost-effective mass production while maintaining proper electrical coupling.
3Strength
If soldering is used to bind layers, then structural support is provided, but thermal damage may occur to the metal-coated plastic layers
Solution Approach 1:
The patent converts the potential harm of thermal damage by completely eliminating the thermal soldering process. Instead, it uses a mechanical fastening system with standoffs and fasteners that provides structural support without applying heat, thereby protecting the metal-coated plastic layers from thermal damage while maintaining assembly integrity.
Data Source
Figure 1
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AI summary
This document describes techniques, apparatuses, and systems for a multi-layer air waveguide with layer-to-layer connections. Each pre-formed layer of the air waveguide is attached to at least one other pre-formed layer by a mechanical interface. The mechanical interface may be a stud-based interface, a snap fastener-based interface, a ball-and-socket based interface, or a pressure contact interface utilizing irregular roughed surfaces of each pre-formed layer. The mechanical interfaces of the pre-formed layers structurally hold the air waveguide together and electrically couple all of the pre-formed layers. In this manner, the cost of manufacturing the air waveguide antennas may be less expensive than previous manufacturing processes.