Millimeter wave antenna and radar system

By setting an isolation structure between the soldering area and the functional area of ​​the millimeter waveguide antenna, the problem of solder overflow or breakage during the soldering process is solved, ensuring the consistency of the antenna's electromagnetic performance and manufacturing stability.

CN120999286APending Publication Date: 2025-11-21SHENZHEN SUNWAY COMM
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Patent Information

Application Number
CN202511314725.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-09-15
Publication Date
2025-11-21

AI Technical Summary

Technical Problem

Existing millimeter waveguide antennas are prone to solder overflow or solder breakage during the soldering process, which leads to a sharp deterioration in antenna performance and poor consistency.

Method used

An isolation structure, including a solder-blocking component and a solder-receiving tank, is set between the soldering area and the functional area of ​​the waveguide structure to prevent solder from diffusing into the functional area and ensure the stability and electromagnetic performance consistency of the millimeter-wave transmission channel.

Benefits of technology

It effectively prevents abnormal solder flow, maintains the stability of the geometry and internal state of the millimeter-wave transmission channel, and preserves the consistency of the antenna's electromagnetic performance and manufacturing stability.

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Abstract

The embodiment of the invention relates to the technical field of millimeter wave antennas, and discloses a millimeter wave antenna and a radar system.The millimeter wave antenna comprises a waveguide structure, a metallization layer, an isolation structure and a welding structure, and the waveguide structure comprises a first waveguide assembly and a second waveguide assembly; the first waveguide assembly and the second waveguide assembly are oppositely arranged to form a combination surface, the combination surface is provided with a functional area and a welding area, the functional area forms a millimeter wave transmission channel, the metalized layer covers the waveguide structure, the isolation structure is arranged between the welding area and the functional area, and the metalized layer covers the isolation structure. The isolation structure is used for preventing the soldering tin from diffusing from the soldering area to the functional area, in this way, effective separation of the soldering function and the waveguide performance function can be achieved, the isolation structure can effectively prevent the soldering tin from diffusing to the functional area, and it is ensured that the geometric dimension and the internal state of the millimeter wave transmission channel are kept stable; and the consistency of the electromagnetic performance of the antenna core is maintained.
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