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    Substrate and method of manufacturing polygon flakes
    4.
    发明授权
    Substrate and method of manufacturing polygon flakes 有权
    基板和制造多边形薄片的方法

    公开(公告)号：US08323542B2

    公开(公告)日：2012-12-04

    申请号：US12938304

    申请日：2010-11-02

    申请人： Alberto Argoitia ,  Vladimir P. Raksha ,  Cornelis Jan Delst

    发明人： Alberto Argoitia ,  Vladimir P. Raksha ,  Cornelis Jan Delst

    IPC分类号： B01J2/24

    CPC分类号： C09C1/0015 ,  C01P2004/39 ,  C01P2004/62 ,  C09C1/0021 ,  C09C2200/102 ,  C09C2200/1054 ,  C09C2200/1062 ,  C09C2200/505 ,  C09C2210/40

    摘要： A method of forming pigment flakes includes using a deposition substrate having a plurality of regions; some of the regions are raised or lowered so that there is a level difference between each two adjacent regions. A coating deposited onto this substrate breaks along region borders when it is separated from the substrate. In one embodiment, the substrate includes first and second regions, wherein each of the first regions is in an abutting relationship with at least one of the second regions. All the first regions are at a first level and all the second regions are at a second level, and the difference between the first and second levels is greater than a predetermined value. The first and second regions are preferably square-shaped regions for manufacturing square flakes with practically no debris.

    摘要翻译： 形成颜料薄片的方法包括使用具有多个区域的沉积基板; 一些区域被升高或降低，使得每两个相邻区域之间存在水平差。 沉积在该基底上的涂层当与基底分离时沿区域边界断裂。 在一个实施例中，衬底包括第一和第二区域，其中每个第一区域与第二区域中的至少一个处于邻接关系。 所有第一区域处于第一水平，并且所有第二区域处于第二水平，并且第一和第二水平面之间的差异大于预定值。 第一和第二区域优选地是用于制造几乎没有碎片的方形片的方形区域。

    Magnetic planarization of pigment flakes
    7.
    发明授权
    Magnetic planarization of pigment flakes 有权
    颜料薄片的磁平面化

    公开(公告)号：US07258900B2

    公开(公告)日：2007-08-21

    申请号：US10293817

    申请日：2002-11-13

    申请人： Vladimir P. Raksha ,  Charles T. Markantes ,  Dishuan Chu ,  Paul G. Coombs

    发明人： Vladimir P. Raksha ,  Charles T. Markantes ,  Dishuan Chu ,  Paul G. Coombs

    IPC分类号： H01F1/00

    CPC分类号： B05D5/061 ,  A45D34/04 ,  B05D3/207 ,  B05D5/06 ,  B41F11/02 ,  B41M3/00 ,  B41M3/14 ,  B41M5/00 ,  B41P2200/30 ,  B42D25/29 ,  B42D2033/16 ,  B42D2035/20

    摘要： A magnetic field is applied to planarize magnetic pigment flakes relative to a surface. Pigment flakes, such as optically variable pigment flakes, are used in a variety of paints, inks, extrusions, powder coatings, and other forms for decorative and security applications. In many applications pigment flakes tend to align parallel to each other and to the surface to which they are applied. If the pigment flakes include a suitable magnetic structure, a magnetic field can be applied to subsequently align the flakes or enhance the alignment of the flakes in the plane of the substrate if the carrier that the flakes are dispersed in is still fluid. In some printing operations, pigment flakes that are applied parallel to the substrate are pulled out of plane when the print screen or printing die is lifted off the substrate. Application of a magnetic field can re-align pigment flakes to the plane of the substrate, enhancing the visual quality of the printed image, especially with optically variable pigments.

    摘要翻译： 施加磁场以使磁性颜料片相对于表面平坦化。 用于各种油漆，油墨，挤出物，粉末涂料和其它用于装饰和安全应用的形式的颜料薄片，例如光学可变的颜料薄片。 在许多应用中，颜料薄片倾向于彼此平行并且与它们所施加的表面对齐。 如果颜料薄片包括合适的磁性结构，则如果薄片分散在其中的载体仍然是流体，则可以施加磁场以随后对准薄片或增强薄片在基材平面中的对准。 在一些印刷操作中，当印刷屏幕或印刷模具从衬底上提起时，平行于衬底施加的颜料薄片被拉出平面。 磁场的应用可以将颜料薄片重新调整到基底的平面，增强印刷图像的视觉质量，特别是使用光学可变颜料。

    Patterned structures with optically variable effects
    9.
    发明授权
    Patterned structures with optically variable effects 有权
    具有光学变化效果的图案结构

    公开(公告)号：US07667895B2

    公开(公告)日：2010-02-23

    申请号：US11273985

    申请日：2005-11-15

    申请人： Alberto Argoitia ,  Roger W. Phillips ,  Vladimir P. Raksha

    发明人： Alberto Argoitia ,  Roger W. Phillips ,  Vladimir P. Raksha

    IPC分类号： G02B5/18

    CPC分类号： B42D25/324 ,  B42D25/328 ,  B42D2035/24 ,  B44F1/08 ,  B44F1/10 ,  G02B5/286 ,  G02B5/288 ,  G03H1/0011 ,  G03H1/0244 ,  G03H1/0256 ,  G03H2001/187 ,  G03H2001/188 ,  G03H2250/12 ,  G03H2250/33 ,  G03H2250/34 ,  G03H2250/36 ,  G07D7/0032

    摘要： An optical structure includes a light transmissive substrate having a surface relief pattern applied thereon, such as a hologram. One or more layers can be patterned corresponding to materials playing the role of absorbers or reflectors on a Fabry-Perot type of optical structure. These materials are applied over portions of the surface relief pattern so as to form alphanumeric characters, bars codes, or pictorial or graphical designs. Additional layers may be applied to the patterned layer of the reflective or absorber materials and exposed portions of the surface relief pattern in order to provide desirable optical effects to the exposed portions of the surface relief pattern. In some embodiments, the optically active coating is a color shifting thin film, or contains color shifting flakes based on Fabry Perot designs.

    摘要翻译： 光学结构包括具有施加在其上的表面浮雕图案的透光基板，例如全息图。 一个或多个层可以对应于在Fabry-Perot类型的光学结构上起吸收器或反射器的作用的材料。 这些材料应用在表面浮雕图案的部分上，以便形成字母数字字符，条形码或图形或图形设计。 另外的层可以施加到反射或吸收材料的图案化层和表面浮雕图案的暴露部分，以便为表面浮雕图案的暴露部分提供期望的光学效果。 在一些实施方案中，光学活性涂层是色移薄膜，或包含基于法布里珀罗设计的变色薄片。