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    Security Device With Metameric Features Using Diffractive Pigment Flakes
    51.
    发明申请
    Security Device With Metameric Features Using Diffractive Pigment Flakes 有权
    使用衍射色素片的Metameric特征的安全装置

    公开(公告)号：US20070139744A1

    公开(公告)日：2007-06-21

    申请号：US11609406

    申请日：2006-12-12

    申请人： Alberto Argoitia ,  Dishuan Chu ,  Neil Teitelbaum

    发明人： Alberto Argoitia ,  Dishuan Chu ,  Neil Teitelbaum

    IPC分类号： G03H1/00

    CPC分类号： B42D25/328 ,  B42D25/00 ,  B42D25/369 ,  B42D2033/16 ,  B42D2033/20 ,  B42D2035/20 ,  B42D2035/24 ,  B42D2035/50 ,  G03H1/0011 ,  G03H2270/24

    摘要： A metameric optical structure is disclosed having first optical structures comprising diffractive flakes having diffractive structures thereon, and a second optical structures having non-diffractive flakes which may have other special effect properties, such as color shifting. At one angle of incidence or one viewing angle, near normal. The hues match and at other angles they do not match. The diffractive flakes are preferably magnetically aligned so that the grating structures are parallel. Disclosed is also an image formed of at least a first region of diffractive flakes and a second region of non-diffractive flakes wherein the regions are adjacent one another and wherein one of the regions forms a logo, symbol or indicia that appears or disappears in dependence upon the angle of viewing.

    摘要翻译： 公开了具有包括其上具有衍射结构的衍射薄片的第一光学结构的同种异体光学结构，以及具有非衍射薄片的第二光学结构，其可具有其它特殊效果特性，例如颜色偏移。 在一个入射角或一个视角，接近正常。 色调与其他角度不符， 衍射薄片优选是磁性对准的，使得光栅结构是平行的。 还公开了由至少第一衍射薄片区域和非衍射薄片的第二区域形成的图像，其中所述区域彼此相邻，并且其中一个区域形成依赖于出现或消失的标志，符号或标记 在观看的角度。

    Engraved optically variable image device
    52.
    发明申请
    Engraved optically variable image device 有权

    公开(公告)号：US20060204724A1

    公开(公告)日：2006-09-14

    申请号：US11199007

    申请日：2005-08-08

    申请人： Alberto Argoitia ,  Dishuan Chu

    发明人： Alberto Argoitia ,  Dishuan Chu

    IPC分类号： B32B3/00

    CPC分类号： B05D5/065 ,  B05D3/12 ,  B05D3/207 ,  Y10T428/24612

    摘要： A method and image made by the method is disclosed wherein non-spherical magnetically alignable optical pigment flakes in transparent carrier are applied to a substrate and are aligned by applying a magnetic field to the substrate. The pigment flakes align along magnetic field lines and a tool for impressing or scribing the flakes is applied to a sub-region of the substrate to realign or remove flakes from a desired region. For example a scribing tool can be used to scribe a signature or other marks within the magnetically aligned flakes. The flakes are then cured and the image is preserved which has optical and tactile features.

    Two-step method of coating an article for security printing
    53.
    发明申请
    Two-step method of coating an article for security printing 有权
    用于安全印刷的物品的两步法

    公开(公告)号：US20060194040A1

    公开(公告)日：2006-08-31

    申请号：US11415027

    申请日：2006-05-01

    申请人： Vladimir Raksha ,  Paul Coombs ,  Neil Teitelbaum ,  Charles Markantes ,  Alberto Argoitia

    发明人： Vladimir Raksha ,  Paul Coombs ,  Neil Teitelbaum ,  Charles Markantes ,  Alberto Argoitia

    IPC分类号： B32B27/20

    CPC分类号： B42D25/369 ,  B05D3/207 ,  B05D5/06 ,  B05D7/52 ,  B41M3/14 ,  B42D25/328 ,  B42D2033/16 ,  B42D2035/24 ,  G09F19/14 ,  Y10T428/25

    摘要： A two-step method of making of a security printed image is disclosed and includes coating of the surface of a substrate with a predetermined image shape with an ink containing flaked magnetic pigment in a predetermined concentration, exposing a wet printed image to a magnetic field to align magnetic particles in a predetermined manner, allowing the ink to cure, and coating the substrate with a second printed image on the top of the first image. The second printed image with the same or different image shape is printed with another ink containing clear or dyed ink vehicle mixed with flaked magnetic pigment in a low concentration, exposed to the magnetic field of the same or different configuration as the first printed image and cured until the ink is dry.

    摘要翻译： 公开了一种制造安全印刷图像的两步法，包括用含有预定浓度的片状磁性颜料的油墨以预定图像形状涂覆基材表面，将湿印刷图像暴露于磁场 以预定的方式对准磁性颗粒，允许油墨固化，并在第一图像的顶部上用第二印刷图像涂覆基材。 具有相同或不同图像形状的第二印刷图像用另一种含有透明或染色的油墨载体的油墨印刷，该油墨车辆与低浓度的片状磁性颜料混合，暴露于与第一印刷图像相同或不同构型的磁场并固化 直到油墨干燥。

    All-dielectric optical diffractive pigments
    55.
    发明授权
    All-dielectric optical diffractive pigments 有权
    全介电光学衍射颜料

    公开(公告)号：US06815065B2

    公开(公告)日：2004-11-09

    申请号：US10365090

    申请日：2003-02-11

    申请人： Alberto Argoitia ,  Vladimir P. Raksha ,  Paul T. Kohlmann

    发明人： Alberto Argoitia ,  Vladimir P. Raksha ,  Paul T. Kohlmann

    IPC分类号： B32B516

    CPC分类号： C09C1/0024 ,  C01P2004/20 ,  C01P2004/84 ,  C09C1/0015 ,  C09C1/0051 ,  C09C2210/30 ,  C09D5/36 ,  G02B5/1866 ,  G03H1/0244 ,  Y10T428/2982 ,  Y10T428/2991 ,  Y10T428/8305

    摘要： All-dielectric diffractive pigment flakes can be applied to an object to impart a diffractive effect to the object without substantially changing the background color of the object. In one case, such diffractive pigment flakes can be applied to a white object to impart a white diffractive effect. The thickness of the dielectric layers in the diffractive pigment flakes can be chosen to provide thin-film interference, as well as diffraction from the interfaces between layers patterned with a diffraction grating. In some cases, the thin-film interference can provide color shifting in addition to the diffractive effect.

    摘要翻译： 全介电衍射颜料薄片可以施加到物体上以赋予物体衍射效果，而基本上不改变物体的背景颜色。 在一种情况下，这种衍射颜料薄片可以施加到白色物体上以赋予白色衍射效果。 可以选择衍射颜料薄片中的电介质层的厚度以提供薄膜干涉，以及来自用衍射光栅图案化的层之间的界面的衍射。 在某些情况下，除了衍射效应之外，薄膜干涉还可以提供颜色偏移。

    Provision of frames or borders around opaque flakes for covert security applications
    60.
    发明授权
    Provision of frames or borders around opaque flakes for covert security applications 有权
    为隐蔽的安全应用程序提供围绕不透明片的框架或边框

    公开(公告)号：US07645510B2

    公开(公告)日：2010-01-12

    申请号：US11243122

    申请日：2005-10-04

    申请人： Alberto Argoitia

    发明人： Alberto Argoitia

    IPC分类号： B32B5/16

    CPC分类号： C09C1/0015 ,  B42D25/378 ,  B42D2033/20 ,  C01P2004/20 ,  C01P2006/40 ,  C08K3/10 ,  C09C1/04 ,  C09C2200/1054 ,  C09C2200/301 ,  C09C2210/30 ,  C09C2220/20 ,  C09D5/36 ,  C09D7/70 ,  C09D11/037 ,  Y10T428/25 ,  Y10T428/252 ,  Y10T428/2978 ,  Y10T428/298 ,  Y10T428/2982 ,  Y10T428/2993

    摘要： Opaque flakes, such as pigment or bright flake used in paints and inks, have a selected shape and/or other indicia to provide a covert security feature to an object. In some embodiments the composition includes base pigment, and the opaque covert flakes match the visual characteristics of the base pigment. In another embodiment, opaque covert flakes are mixed in the carrier with base pigment at a concentration sufficient to avoid changing the appearance of the composition. In another embodiment, opaque covert flakes are mixed in a clear or tinted varnish base that can be applied over an existing security feature. Shaped opaque covert flakes are not readily detectable by causal observation, but in some embodiments are easily seen at 50× magnification. In manufacturing the flakes a sheet of embossed frames are provided having symbols or indicia within; upon removing a coating from the sheet the coating material tends to break along frame lines and the resulting flakes are substantially uniform in size.

    摘要翻译： 不透明的薄片，例如在油漆和油墨中使用的颜料或亮片，具有选定的形状和/或其他标记，以向对象提供隐蔽的安全特征。 在一些实施方案中，组合物包括基础颜料，不透明的隐形薄片与基础颜料的视觉特性相匹配。 在另一个实施方案中，不透明隐形薄片在载体中与基础颜料混合，其浓度足以避免改变组合物的外观。 在另一个实施方案中，不透明的隐形薄片混合在透明或有色的清漆基底中，其可以施加在现有的安全特征上。 通过因果观察不能容易地检测到形状不透明的隐形薄片，但是在一些实施例中，在50倍放大倍数下容易看出。 在制造薄片时，提供具有符号或标记的压花框架片; 在从片材上去除涂层时，涂层材料倾向于沿着框线断裂，并且所得薄片的尺寸基本上是均匀的。