RF Circulator With In Situ Iron Core on Glass Ceramic Substrate
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current RF circulators experience significant signal loss and are inefficient in high-frequency operations, limiting their performance in telecommunications and electronic devices.
Innovation Solution
The development of a circulator/isolator device using a glass ceramic substrate with conductive coils and an iron core, optimized for reduced signal loss, where the iron core is formed in situ after coil formation, and the substrate composition includes silica, lithium oxide, aluminum oxide, and cerium oxide, enhancing the device's structural integrity and electrical properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If conventional RF circulator designs are used, then device structure is simple, but signal loss is high and efficiency is poor
Solution Approach 1:
The patent employs a glass ceramic substrate comprising silica, lithium oxide, aluminum oxide, and cerium oxide combined with conductive coils and an iron core to create a composite structure that reduces signal loss while maintaining manageable complexity through integrated fabrication
Solution Approach 2:
The patent combines the substrate, conductive coils, and iron core into a single integrated circulator/isolator device where the iron core is formed in situ after coil formation, merging multiple components into one unified structure that reduces overall device complexity
2Reliability
If signal loss is reduced through optimized materials and structure, then device performance improves, but manufacturing process complexity increases
Solution Approach 1:
The conductive coils are formed on the glass ceramic substrate before the iron core is created, establishing the electrical circuitry in advance. This preliminary action allows the subsequent iron core formation to simply fill the remaining space, simplifying the overall manufacturing process while achieving optimized performance
Solution Approach 2:
The iron core is formed in situ within the substrate after coil formation, where the material naturally fills and shapes itself around the pre-formed coils. This self-organizing process eliminates complex assembly steps and achieves optimal geometric configuration automatically
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 achieves a significant reduction in signal loss, with less than 10% signal loss, and allows for the creation of smaller, more efficient RF circulator/isolator devices suitable for high-frequency applications, improving performance and cost-effectiveness.
Implementation Method 1
a substrate comprising one or more conductive coils, wherein the one or more conductive coils are formed in, on, or about the substrate
Implementation Method 2
an opening in the substrate comprising an iron core, wherein the iron core is formed in the substrate after the formation of the one or more conductive coils, wherein the iron core is positioned and shaped to create a circulator/isolator in the substrate
Data Source
Figure 1~2
AI summary
The present invention includes a device and method for making an RF circulator/isolator device comprising: a substrate comprising one or more conductive coils, wherein the one or more conductive coils are formed in, on, or about the substrate; an opening in the substrate comprising an iron core, wherein the iron core is formed in the substrate after the formation of the one or more conductive coils, wherein the iron core is positioned and shaped to create a circulator/isolator in the substrate; and one or more connectors, vias, resistors, capacitors, or other integrated circuits of devices connected to the conductive coils of the circulator/isolator.