5G Antenna Polymer Substrate Low Dissipation Factor
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Solution Overview
Problem
The challenge in developing 5G antennas is the need for high-performance materials that enable miniaturization while maintaining or improving performance capabilities, as conventional materials often limit miniaturization and affect high-frequency performance.
Innovation Solution
A 5G antenna system utilizing a substrate with a polymer composition that includes a polymer matrix with a glass transition temperature of 30°C or more and a laser activatable additive, exhibiting a dissipation factor of 0.1 or less, which provides excellent dielectric properties, thermal, and mechanical properties, allowing for the creation of small-sized antennas with improved signal transfer efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If conventional materials are used in 5G antennas, then manufacturing and processing are easier, but miniaturization is limited and high-frequency performance deteriorates
Solution Approach 1:
The patent employs a composite substrate structure combining a first substrate layer with a second substrate layer having different dielectric constants. This layered composite approach enables miniaturization of antenna elements while maintaining high-frequency signal integrity by optimizing electromagnetic field distribution and reducing signal loss at 5G frequencies.
Solution Approach 2:
The patent utilizes materials with specific dielectric constant parameters (different dielectric constants between layers) to achieve miniaturization. By carefully selecting and controlling the dielectric parameters of substrate materials, the antenna elements can be scaled down while preserving their high-frequency performance characteristics.
2Loss of energy
If polymer composition with low dissipation factor is used, then signal transfer efficiency improves, but material selection and processing become more challenging
Solution Approach 1:
The patent uses a composite polymer composition combining a base polymer matrix with specific additives to achieve low dissipation factor (signal loss) while maintaining manufacturability. The composite formulation balances electrical performance with processing characteristics, enabling both low signal loss and ease of manufacturing through integrated material design.
3Volume of moving object
If miniaturization is pursued, then antenna size decreases, but signal transfer efficiency and performance capabilities deteriorate
Solution Approach 1:
The patent employs composite substrate materials with optimized dielectric properties that compensate for the negative effects of miniaturization. The composite structure maintains low signal loss despite reduced antenna dimensions by controlling electromagnetic field confinement and reducing parasitic effects through material engineering.
Solution Approach 2:
The patent changes material parameters (dielectric constant, dissipation factor) to counterbalance the effects of miniaturization. By adjusting these material parameters, the antenna maintains efficient signal transfer even at reduced sizes, as the material properties compensate for the smaller dimensional scale.
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 polymer composition enables the production of compact 5G antennas with low signal loss, high thermal and mechanical stability, and efficient signal transfer, meeting the requirements for high-speed data communication in 5G networks by maintaining dielectric and mechanical properties across various temperatures.
Implementation Method 1
The substrate comprises a polymer composition that comprises a polymer matrix containing at least one polymer having a glass transition temperature of about 30° C. or more and at least one laser activatable additive wherein the polymer composition exhibits a dissipation factor of about 0.1 or less, as determined at a frequency of 2 GHz
Data Source
AI summary
A 5G antenna system is disclosed that comprises a substrate and at least one antenna element configured to transmit and receive 5G radio frequency signals. The at least one antenna element is coupled to the substrate. The substrate comprises a polymer composition that comprises a polymer matrix containing at least one polymer having a glass transition temperature of about 30° C. or more and at least one laser activatable additive wherein the polymer composition exhibits a dissipation factor of about 0.1 or less, as determined at a frequency of 2 GHz.