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    • 3. 发明授权
    • Security devices
    • 安全设备
    • US09348070B2
    • 2016-05-24
    • US14236206
    • 2012-07-30
    • Adam ListerJames Peter Snelling
    • Adam ListerJames Peter Snelling
    • G02B27/10G03B21/60G02B5/26B41M3/14D21H21/42G02B5/04B42D25/29B42D25/355B42D25/328
    • B42D25/45B41M3/148B42D25/29B42D25/328B42D25/351B42D25/355B42D2033/10D21H21/42G02B5/045G02B5/26
    • The present invention relates to improvements in security devices that can be used in various authenticating or security applications, and in particular to an optically variable security device which can be viewed under low light conditions. The security device comprises a light deflection structure having a first side and a second opposing side. A colorshifting layer is applied to the first side of the light deflection structure and a reflection layer is applied to at least a first region of the second side of the light deflection structure so as to provide a strong reflection in a direction substantially parallel to the incident light source when the direction of the incident light is at an angle away from the normal to the security device. The security device has at least one second region in which the reflection layer is absent, said first and second regions defining indicia.
    • 本发明涉及可用于各种认证或安全应用的安全设备的改进,特别涉及一种可在低光条件下观看的光学可变安全设备。 安全装置包括具有第一侧和第二相对侧的光偏转结构。 向光偏转结构的第一侧施加着色层,并且将反射层施加到光偏转结构的第二侧的至少第一区域,以便在基本上平行于事件的方向上提供强反射 当入射光的方向与安全装置的法线成一角度时,光源。 安全装置具有至少一个第二区域,其中反射层不存在,所述第一和第二区域限定标记。
    • 8. 发明申请
    • Paper incorporating a wide elongate impermeable element, and a method of making of the same
    • 包含宽细长不可渗透元件的纸,及其制造方法
    • US20050016702A1
    • 2005-01-27
    • US10494756
    • 2002-11-05
    • Adrian AshMalcolm BakerDuncan Reid
    • Adrian AshMalcolm BakerDuncan Reid
    • B42D15/10D21F1/44D21H21/42
    • D21F1/44D21H21/42Y10T428/24273Y10T428/24306Y10T428/24314
    • This invention is directed to improvements in paper incorporating a wide elongate impermeable element, to a method of making such paper and to documents made therefrom. The method comprises the steps of first bringing an elongate, flexible, impermeable element into contact with a support surface prior to their entry into a vat of aqueous paper stock, then depositing fibres onto the support surface to form paper. The element has a width of at least 6 mm and the deposition of fibres is carried out in such a manner that as fibres are deposited on the support surface the elongate element is incorporated in the paper with regions of the element at least partially exposed at least one surface of the paper at least two sets of windows at spaced locations. The at least two sets of windows are formed by two sets of portions which are raised from the support surface relative to adjacent areas of the support surface. A first set of raised portions has a width transverse to a machine direction in which the paper travels during manufacture, which width is narrower than the width of the elongate element, and the second set of raised portions has a width transverse to a machine direction in which the paper travels during manufacture, which width is at least equal to the width of the elongate element. Thus during manufacture of the paper the elongate element is brought into contact with both sets of raised portions with edges of the elongate element being supported by the second set of raised portions.
    • 本发明涉及一种结合宽细长不可渗透元件的纸张的改进,制造这种纸张的方法以及由其制成的文件。 该方法包括以下步骤:首先使细长的,柔性的不可渗透元件在进入大桶水性纸料之前与支撑表面接触,然后将纤维沉积到支撑表面上以形成纸。 元件具有至少6mm的宽度,并且纤维的沉积以这样的方式进行,即当纤维沉积在支撑表面上时,细长元件结合在纸中,元件的区域至少部分地暴露于至少 纸张的一个表面在间隔的位置处至少有两组窗户。 至少两组窗由相对于支撑表面的相邻区域从支撑表面升起的两组部分形成。 第一组凸起部分具有横向于制造过程中纸移动的机器方向的宽度,该宽度比细长元件的宽度窄,并且第二组凸起部分具有横向于机器方向的宽度 纸张在制造过程中行进,其宽度至少等于细长元件的宽度。 因此,在纸的制造期间,细长元件与两组凸起部分接触,其中细长元件的边缘由第二组凸起部分支撑。
    • 9. 发明授权
    • Security thread, a film and a method of manufacture of a security thread
    • 安全线程,电影和安全线程的制造方法
    • US5631039A
    • 1997-05-20
    • US289440
    • 1994-08-12
    • Malcolm R. M. KnightDuncan H. ReidJeffrey A. Harrison
    • Malcolm R. M. KnightDuncan H. ReidJeffrey A. Harrison
    • B42D15/00D21H21/42G07D7/04B41M3/14B05D5/12
    • G07D7/04B42D25/355D21H21/42
    • The present invention relates in one aspect to a method of manufacture of a security thread suitable for use in security articles including security paper such as that used for banknotes. In the method a magnetic metal is deposited on a film of polymeric substrate as the substrate passes through a solution containing the magnetic metal and a preparatory operation is carried out on a surface of the substrate prior to immersion of the substrate in the solution. The preparatory operation ensures that magnetic metal is deposited on the substrate in a pattern such that when the security thread is produced from the film by cutting the film the magnetic metal on the security thread has a specific pattern and provides both a visually discernible security feature and a magnetically detectable security feature. In a second aspect the present invention provides a security thread for security paper such as banknotes, the security thread comprising a polymeric substrate catalytic material covering at least a portion of one surface at the polymeric substrate and a layer of electrolessly deposited magnetic metal covering at least a portion of the catalytic material with a depth in the range 0.01-3.0 .mu.m. The layer of magnetic material has a specific pattern and provides the security thread with both a visually discernible security feature and a magnetically detectable security feature, the security thread having an average magnetic remanence in the range 0.001-0.05 emu cm.sup.-2.
    • 本发明在一个方面涉及一种适用于包括诸如用于纸币的安全纸的安全用品的安全线的制造方法。 在该方法中,当基底通过含有磁性金属的溶液时,磁性金属沉积在聚合物基底的膜上,并且在将基底浸入溶液之前,在基底表面上进行准备操作。 准备操作确保磁性金属以图案沉积在基板上,使得当通过切割膜从薄膜制造安全线时,安全线上的磁性金属具有特定的图案并提供视觉上可辨别的安全特征和 磁性可检测的安全特征。 在第二方面,本发明提供了一种用于诸如纸币的安全纸的安全线,所述安全线包括聚合物基底催化材料,其覆盖聚合物基底上的一个表面的至少一部分,并且至少覆盖无电沉积的磁性金属层 催化材料的一部分深度在0.01-3.0μm的范围内。 磁性材料层具有特定的图案,并且为安全线提供了视觉辨别的安全特征和可磁性可检测的安全特征,安全线具有在0.001-0.05emu cm -2范围内的平均磁残余。