Miniaturized helical structure ceramic antenna

By designing a miniaturized spiral ceramic antenna, using a ceramic substrate and graphene patch, and optimizing the structure and material combination, the problems of large antenna size and high cost in smart wearable devices have been solved, achieving an antenna design that is easy to manufacture, low-cost, and high-performance.

CN122136615APending Publication Date: 2026-06-02DONGGUAN TAI SING AUDIO TECH LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
DONGGUAN TAI SING AUDIO TECH LTD
Filing Date
2026-03-27
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

The antennas in existing smart wearable devices are large in size and complex in structure, which makes them difficult to manufacture and costly, making it difficult to meet the miniaturization requirements.

Method used

A miniaturized spiral ceramic antenna is designed using a ceramic substrate and graphene patches. By optimizing the structure and material combination, easy processing and stable performance are achieved. This includes placing curved and rectangular graphene patches on the upper and lower surfaces of the ceramic substrate and connecting them to a cuboid metal structure, adjusting parasitic inductance and capacitance values, and combining a dual L-type matching circuit to optimize impedance characteristics.

Benefits of technology

It achieves miniaturization, ease of processing, and cost reduction of the antenna, has good conductivity and radiation performance, meets the working requirements of the Bluetooth band, and is suitable for use scenarios with different package sizes.

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Abstract

This invention discloses a miniaturized spiral ceramic antenna, comprising a ceramic substrate; a first graphene patch and a second graphene patch disposed on the upper surface of the ceramic substrate; a first rectangular graphene patch and a second rectangular graphene patch disposed on the left and right sides of the lower surface of the ceramic substrate; a first cuboid metal structure and a second cuboid metal structure disposed on the left and right end faces of the ceramic substrate, respectively; the first and second graphene patches on the upper surface of the ceramic substrate are connected to the first and second cuboid metal structures on the left and right end faces of the ceramic substrate, respectively, to achieve radiation performance within the Bluetooth operating frequency band of the antenna; the first and second rectangular graphene patches on the lower surface of the ceramic substrate are connected to the first and second cuboid metal structures on the left and right end faces of the ceramic substrate, respectively, serving as the parasitic coupling capacitance portion of the antenna. By optimizing its structure, miniaturization and ease of fabrication are achieved while improving its overall performance.
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