Waveguide Structure Fixed Connector Segmentation
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Solution Overview
Problem
Manufacturing larger waveguide structures for rotating contactless data links while maintaining good RF characteristics is challenging due to the high costs associated with special manufacturing processes required for long PCBs.
Innovation Solution
Joining multiple waveguide sections with fixed connectors, such as soldered, welded, or adhesive connections, to form larger structures, which allows for standard manufacturing processes while maintaining RF characteristics and providing mechanical stability and flexibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If multiple waveguide sections are joined using fixed connectors, then the waveguide structure can be manufactured using standard PCB manufacturing processes, but the manufacturing complexity increases due to the need for precise alignment and connection of multiple sections
Solution Approach 1:
The waveguide structure is divided into multiple waveguide sections that can be manufactured separately using standard PCB processes. Each section is designed with connection interfaces that allow them to be joined together to form a complete waveguide structure of arbitrary length, enabling standard manufacturing processes to be used while avoiding the need for expensive special processes for long PCBs
Solution Approach 2:
Multiple waveguide sections are combined using fixed connectors (soldered, welded, or adhesive connections) to form a complete waveguide structure. The connection interfaces are designed to maintain RF characteristics across the junctions, effectively merging the sections into a unified structure that functions as a single waveguide
2Adaptability or versatility
If the waveguide structure is made flexible to adapt to circular bodies, then it can be used in rotating contactless data links, but the mechanical stability may be compromised
Solution Approach 1:
The waveguide structure incorporates flexible elements that allow it to be adapted to circular bodies while maintaining mechanical stability. The flexibility is provided in specific regions (such as the connection interfaces or support structures) while the waveguide sections themselves maintain their structural integrity and RF characteristics
3Reliability
If the interconnections are designed to not extend over the surface of waveguide sections, then RF characteristics are maintained, but the mechanical reinforcement is reduced
Solution Approach 1:
The interconnections are designed with different properties in different regions: in the areas where RF signals propagate, the interconnections are minimized or designed to not extend over the surface to maintain RF characteristics, while in other areas (such as at the connection interfaces or along the edges), the interconnections provide mechanical reinforcement to strengthen the structure
Data Source
AI summary
A waveguide structure includes a first waveguide section mechanically and electrically connected by a fixed connector to a second waveguide section. The waveguide sections include a dielectric material with a ground layer and a conductor structure with a pair of elongate conductors. The fixed connector includes a dielectric material with a pair of contact pads insulated from a ground layer. The fixed connector is attached by its top side to the bottom sides of interface sections of the waveguides sections forming a ground contact. The interface sections each comprise an intermediate conductor from each of the elongate conductors at the top side to the bottom side of the dielectric material. The intermediate conductors are connected via the contact pads.