Nested Dielectric Thread Two-Wire Line for Coupling and Loss
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Solution Overview
Problem
Two-wire lines face challenges in reducing the dielectric constant and increasing differential coupling while minimizing insertion loss.
Innovation Solution
A two-wire line design where each conductor is wrapped with a dielectric thread, with the threads unwound in a helical form and positioned at a distance from each other, such that the distance between them is less than the sum of their thicknesses, and a device and method for producing this configuration, which includes unwinding and wrapping units to achieve this setup.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If the distance between conductors is reduced to increase differential coupling, then differential coupling is improved, but insertion loss increases
Solution Approach 1:
The patent applies nesting by wrapping a dielectric thread around each conductor, with the threads positioned such that they interleave or nest between the conductors. This nested configuration allows the conductors to be positioned closer together (improving differential coupling) while the dielectric threads provide insulation and control the electromagnetic field distribution, thereby managing insertion loss.
Solution Approach 2:
The patent changes the physical parameters of the transmission line by introducing dielectric threads with specific thicknesses and positioning them at controlled distances from the conductors. By adjusting the thread thickness, material properties, and spacing, the effective dielectric constant and field distribution are modified, enabling improved differential coupling while controlling insertion loss through parameter optimization.
2Quantity of substance
If dielectric threads are wrapped around conductors to reduce dielectric constant, then dielectric constant is reduced, but manufacturing complexity increases
Solution Approach 1:
Instead of using a single continuous dielectric layer, the patent segments the dielectric structure into discrete threads wrapped around individual conductors. This segmentation allows for simpler manufacturing processes where standard dielectric threads can be applied to each conductor separately, reducing the complexity of producing and assembling complex dielectric structures while achieving the desired dielectric constant reduction.
Solution Approach 2:
The patent uses thin dielectric threads as flexible insulating layers wrapped around the conductors. This approach replaces rigid or complex dielectric structures with flexible, easily applicable thin-film-like threads that can be wrapped during the conductor assembly process, thereby reducing manufacturing complexity while effectively reducing the dielectric constant.
Data Source
AI summary
A two-wire line includes a first conductor. A first dielectric thread is wrapped around the first conductor. The two-wire line includes a second conductor. A second dielectric thread is wrapped around the second conductor. The first conductor and the second conductor are at a distance from one another. The distance is smaller than the sum of the thickness of the first thread and the thickness of the second thread.