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    • 1. 发明授权
    • Security functional thin film and security product containing the functional thin film
    • 安全功能薄膜和安全产品,含有功能薄膜
    • US08257840B2
    • 2012-09-04
    • US12305966
    • 2008-03-24
    • Xiaowei LiXinyu LiCe LiJing YangFeng PanCaixia LiYu Cao
    • Xiaowei LiXinyu LiCe LiJing YangFeng PanCaixia LiYu Cao
    • B32B15/04
    • B32B37/24B32B37/203B32B2037/246B32B2307/208B32B2309/105B32B2425/00B32B2429/00G09F3/0292G11B5/00808H01F10/132H01F41/18Y10T428/24802Y10T428/265Y10T428/325
    • The present invention provides a security functional thin film and a security product containing such a thin film. The security functional thin film is of an amorphous structure, and possesses soft magnetic characteristics. Large Barkhausen effect can be detected along the in-plane preferred direction of magnetization; and the Large Barkhausen effect significantly attenuates, or no such signal can be detected, in a direction perpendicular to the in-plane preferred direction of magnetization. The thin film has a thickness of 20-300 nm, and the thin film also possesses element encoding characteristics that can be authenticated by experts. The security functional thin film of the present invention can be fabricated by magnetron sputtering web coating process. The security product provided by the present invention has a security information layer formed of the security functional thin film, and can be combined with other security characteristics for use in fabricating security materials such as security threads, security tapes, paper security strip-like inserts, or security labels, and others. Compared with conventional anti-counterfeiting technologies, the instant security functional thin film has more hidden security information, and facilitates enhancement of safety performance of security products.
    • 本发明提供一种安全功能薄膜和包含这种薄膜的安全产品。 安全功能薄膜为非晶结构,具有软磁特性。 沿着平面内优选的磁化方向可以检测到大的巴克豪森效应; 并且大巴克豪森效应在垂直于面内优选磁化方向的方向上显着衰减或不能检测到这样的信号。 该薄膜的厚度为20-300nm,薄膜还具有可由专家认证的元件编码特性。 本发明的安全功能薄膜可以通过磁控溅射网涂布法制造。 由本发明提供的安全产品具有由安全功能薄膜形成的安全信息层,并且可以与用于制造诸如安全螺纹,安全带,纸安全带状插入物等安全材料的其他安全特性组合, 或安全标签等。 与传统防伪技术相比,即时安全功能薄膜具有更多隐藏的安全信息,有利于提高安全产品的安全性能。
    • 2. 发明申请
    • Security Functional Thin Film and Security Product Containing the Functional Thin Film
    • 安全功能薄膜和包含功能薄膜的安全产品
    • US20100220371A1
    • 2010-09-02
    • US12305966
    • 2008-03-24
    • Xiaowei LiXinyu LiCe LiJing YangFeng PanCaixia LiYu Cao
    • Xiaowei LiXinyu LiCe LiJing YangFeng PanCaixia LiYu Cao
    • B42D15/10B32B5/00C23C14/34B32B9/04
    • B32B37/24B32B37/203B32B2037/246B32B2307/208B32B2309/105B32B2425/00B32B2429/00G09F3/0292G11B5/00808H01F10/132H01F41/18Y10T428/24802Y10T428/265Y10T428/325
    • The present invention provides a security functional thin film and a security product containing such a thin film. The security functional thin film is of an amorphous structure, and possesses soft magnetic characteristics. Large Barkhausen effect can be detected along the in-plane preferred direction of magnetization; and the Large Barkhausen effect significantly attenuates, or no such signal can be detected, in a direction perpendicular to the in-plane preferred direction of magnetization. The thin film has a thickness of 20-300 nm, and the thin film also possesses element encoding characteristics that can be authenticated by experts. The security functional thin film of the present invention can be fabricated by magnetron sputtering web coating process. The security product provided by the present invention has a security information layer formed of the security functional thin film, and can be combined with other security characteristics for use in fabricating security materials such as security threads, security tapes, paper security strip-like inserts, or security labels, and others. Compared with conventional anti-counterfeiting technologies, the instant security functional thin film has more hidden security information, and facilitates enhancement of safety performance of security products.
    • 本发明提供一种安全功能薄膜和包含这种薄膜的安全产品。 安全功能薄膜为非晶结构,具有软磁特性。 沿着平面内优选的磁化方向可以检测到大的巴克豪森效应; 并且大巴克豪森效应在垂直于面内优选磁化方向的方向上显着衰减或不能检测到这样的信号。 该薄膜的厚度为20-300nm,薄膜还具有可由专家认证的元件编码特性。 本发明的安全功能薄膜可以通过磁控溅射网涂布法制造。 由本发明提供的安全产品具有由安全功能薄膜形成的安全信息层,并且可以与用于制造诸如安全螺纹,安全带,纸安全带状插入物等安全材料的其他安全特性组合, 或安全标签等。 与传统防伪技术相比,即时安全功能薄膜具有更多隐藏的安全信息,有利于提高安全产品的安全性能。