生物信号检测用电极

By using corrosion-resistant materials such as Ag-AgCl, Ag paste, Au, or Pt as electrode terminals, combined with conductive gel films and magnetic materials, the problem of signal degradation caused by electrode terminal corrosion has been solved, achieving long-term stability and reliability of electrodes for biosignal detection.

CN116600712BActive Publication Date: 2026-07-17TECHNO COMMONS INC
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
TECHNO COMMONS INC
Filing Date
2020-12-22
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The electrode terminals and conductive magnets of existing biosignal detection electrodes deteriorate in a short period of time due to the highly corrosive nature of the conductive gel film.

Method used

Corrosion-resistant materials such as Ag-AgCl, Ag paste, Au, Pt, or carbon are used as electrode terminals, which are embedded in an insulating substrate. Mechanical connection is achieved by combining a conductive gel film and a magnetic material.

Benefits of technology

This improves the long-term stability and reliability of electrodes used for biosignal detection, avoids the corrosion problem of conductive gel films, and ensures the long-term stability of electrode performance.

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Abstract

本发明提供一种即使使用导电性凝胶膜，性能也长期稳定且可靠性高的生物信号检测用电极。一种生物信号检测用电极，其具备：电绝缘性的绝缘基材(20)；电极端子(30)，以使信号检测面(31)包含在绝缘基材(20)的下表面(21)的一部分的方式，埋设于绝缘基材(20)内；导电性凝胶膜(40)，以覆盖信号检测面(31)的方式，设置于绝缘基材(20)的下表面(21)；引出电极(50)，与电极端子(30)连接且具有在绝缘基材(20)的上表面露出的端子部(51)；及磁性体(60)，在绝缘基材(20)内配置于端子部(51)的下方成为导电性磁铁(210)的吸附对象，在生物信号检测用电极中，使磁性体(60)仅承担机械性连接的作用，电极端子(30)由不会被导电性凝胶膜(40)腐蚀的耐腐蚀性物质例如Ag‑AgCl形成。
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