INDUCTOR STRUCTURE AND FILTER
The inductor structure with overlapping sublayers and connecting electrodes addresses the need for high inductance in small devices, improving signal transmission efficiency and flexibility.
DE112023006728T5Pending Publication Date: 2026-05-28BOE TECHNOLOGY GROUP CO LTD +2
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Patent Information
- Application Number
- DE112023006728
- Authority / Receiving Office
- DE · DE
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2023-07-27
- Publication Date
- 2026-05-28
AI Technical Summary
Technical Problem
The increasing demand for high-frequency signal transmission in 5G technology necessitates small-sized inductors with high inductance, as conventional components struggle to meet the size and performance requirements of modern electronic devices.
Method used
An inductor structure comprising a dielectric substrate with through-holes and connecting electrodes, featuring multiple conductive sublayers on opposite surfaces that are electrically connected to form a coil, with overlapping current flow directions to enhance inductance and density.
Benefits of technology
The proposed inductor structure improves inductance density and reduces size while maintaining manufacturing feasibility, enhancing signal transmission performance without increasing complexity or cost.
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Abstract
The present application provides an inductor structure and a filter, and relates to the technical field of passive components. The inductor structure comprises a dielectric substrate, a first conductive structure, and a second conductive structure. The dielectric substrate has a plurality of through-holes extending in its thickness direction, in which connecting electrodes are provided. The first conductive structure and the second conductive structure are electrically connected via the connecting electrodes to form a coil of the inductor structure. One of the first conductive structure and the second conductive structure comprises at least three sublayers, and the other comprises at least one sublayer.The orthographic projections of two of the sublayers of the first and second conducting structures onto the dielectric substrate overlap at least partially, and the flow directions of their currents are essentially parallel. The inductor structure is used to manufacture high-performance filters.
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