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公开(公告)号：US10242788B2
公开(公告)日：2019-03-26
申请号：US15601439
申请日：2017-05-22
Applicant: Viavi Solutions Inc.
Inventor： Vladimir P. Raksha , Charles T. Markantes , Paul G. Coombs , Roger W. Phillips , Paul T. Kohlmann , Alberto Argoitia , Neil Teitelbaum
IPC: H01F10/08 , C09D5/33 , C09D11/50 , B42D25/328 , C09D201/00 , B42D25/29 , C09C1/00 , C09D11/037 , B42D25/369 , B82Y30/00 , H01F1/00 , C09D7/40 , H01F41/16
Abstract: The invention relates to anisotropic, reflective, magnetic flakes. In a liquid carrier and under influence of an external magnetic field, the flakes attract to one another side-by-side and form ribbons which provide higher reflectivity to a coating and may be used as a security feature for authentication of an object.
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公开(公告)号：US10031269B2
公开(公告)日：2018-07-24
申请号：US15283917
申请日：2016-10-03
Applicant: VIAVI SOLUTIONS INC.
Inventor： Charles T. Markantes , Cornelis Jan Delst , Vladimir P. Raksha , David De La Fuente , Paul G. Coombs
IPC: C01B21/064 , G02B5/28 , G02B5/00
Abstract: In a plurality of asymmetric color-shifting flakes, each flake has an asymmetric magnetic core with a magnetic layer visible on the first side of the core and a non-magnetic reflector layer on the magnetic layer, visible on the second side of the core. The flake has a spacer layer and an absorber layer on the first side of the core, and also a spacer layer and an absorber layer on the second side of the core, for providing color shifting effects. The material of the magnetic layer is different from the material of the reflector layer, and may be more stable when exposed to a chemical. When a coating with the asymmetric color-shifting flakes is exposed to the chemical, it may have better optical performance than a coating with symmetric color-shifting flakes.
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公开(公告)号：US20170056902A1
公开(公告)日：2017-03-02
申请号：US15350021
申请日：2016-11-12
Applicant: VIAVI SOLUTIONS INC.
Inventor： Vladimir P. Raksha , Paul G. Coombs , Charles T. Markantes
IPC: B05B7/02 , B42D25/29 , B41M3/14 , B42D25/369
CPC classification number: B41M1/00 , B05B5/00 , B05B7/02 , B05D3/207 , B05D5/06 , B05D5/061 , B41F11/02 , B41F23/00 , B41M3/00 , B41M3/14 , B41M5/00 , B41P2200/30 , B42D25/29 , B42D25/369 , B42D2033/16 , B42D2035/20
Abstract: The invention relates to a method of aligning magnetic flakes, which includes: coating a substrate with a carrier having the flakes dispersed therein, moving the substrate in a magnetic field so as to align the flakes along force lines of the magnetic field in the absence of an effect from a solidifying means, and at least partially solidifying the carrier using a solidifying means while further moving the substrate in the magnetic field so as to secure the magnetic flakes in the carrier while the magnetic field maintains alignment of the magnetic flakes. An apparatus is provided, which has a belt for moving a substrate along a magnet assembly for aligning magnetic flakes. The apparatus also includes a solidifying means, such as a UV- or e-beam source, and a cover above a portion of the magnet assembly for protecting the flakes from the effect of the solidifying means.
Abstract translation: 本发明涉及一种对准磁性薄片的方法，其包括：用分散在其中的薄片的载体涂覆基材，使基板在磁场中移动，以使薄片沿着磁场的力线在不存在 凝固装置的效果，并且使用凝固装置至少部分地固化载体，同时在磁场中进一步移动基板，以便在磁场保持磁性薄片的对准的同时将磁性薄片固定在载体中。 提供了一种装置，其具有用于沿着用于对准磁片的磁体组件移动基板的带。 该设备还包括固化装置，例如UV或电子束源，以及在磁体组件的一部分上方的盖，用于保护薄片免受固化装置的影响。
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公开(公告)号：US11504990B2
公开(公告)日：2022-11-22
申请号：US16434990
申请日：2019-06-07
Applicant: VIAVI SOLUTIONS INC.
Inventor： Vladimir P. Raksha , Paul G. Coombs , Charles T. Markantes
IPC: B41M3/14 , B42D25/29 , B42D25/378 , B42D25/369
Abstract: A security device is disclosed that has an image formed upon a substrate. The image has a first printed region and a second different printed region both printed with a same ink formulation of field alignable flakes. At least one of the printed regions has optically variable effects. One of the first and second printed regions at least partially surrounds the other. The second printed region is formed of thin parallel lines and the first printed region has substantially wider lines than are printed in the second printed region. The area density of the ink in a line in the first group of wider lines is greater than the area density of a line in the second group of narrower lines. A surprising effect of this image is that particles or flakes in the ink are field aligned so as to produce a visible kinematic dynamic effect visible in the first region and not visible in the second region when the image is tilted or rotated.
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公开(公告)号：US10059137B2
公开(公告)日：2018-08-28
申请号：US15350021
申请日：2016-11-12
Applicant: VIAVI SOLUTIONS INC.
Inventor： Vladimir P. Raksha , Paul G. Coombs , Charles T. Markantes
IPC: B41M3/14 , B41M1/00 , B41M5/00 , B41M3/00 , B41F23/00 , B41F11/02 , B05B7/02 , B05B5/00 , B05D3/00 , B05D5/06 , B42D25/369 , B42D25/29
CPC classification number: B41M1/00 , B05B5/00 , B05D3/207 , B05D5/06 , B05D5/061 , B41F11/02 , B41F23/00 , B41M3/00 , B41M3/14 , B41M5/00 , B41P2200/30 , B42D25/29 , B42D25/369 , B42D2033/16 , B42D2035/20
Abstract: The invention relates to a method of aligning magnetic flakes, which includes: coating a substrate with a carrier having the flakes dispersed therein, moving the substrate in a magnetic field so as to align the flakes along force lines of the magnetic field in the absence of an effect from a solidifying means, and at least partially solidifying the carrier using a solidifying means while further moving the substrate in the magnetic field so as to secure the magnetic flakes in the carrier while the magnetic field maintains alignment of the magnetic flakes. An apparatus is provided, which has a belt for moving a substrate along a magnet assembly for aligning magnetic flakes. The apparatus also includes a solidifying means, such as a UV- or e-beam source, and a cover above a portion of the magnet assembly for protecting the flakes from the effect of the solidifying means.
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Patent Agency Ranking
6.发明授权Dynamic appearance-changing optical devices (DACOD) printed in a shaped magnetic field including printable fresnel structures 有权动态外观改变光学器件（DACOD）印刷在包括可印刷的菲涅耳结构的成形磁场中公开(公告)号：US09257059B2
公开(公告)日：2016-02-09
申请号：US13689110
申请日：2012-11-29
Applicant: Viavi Solutions Inc.
Inventor： Vladimir P. Raksha , Paul G. Coombs , Charles T. Markantes , Alberto Argoitia , Roger W. Phillips
CPC classification number: B42D25/369 , B05D3/207 , B41M3/148 , B42D25/29 , B42D2033/16 , B42D2035/20 , G02B5/09 , G02B26/026 , G02B27/0025 , G09F3/0376 , Y10T428/24802 , Y10T428/25
Abstract: A device includes a substrate and at least 1,000 flakes resting upon the substrate, each flake including a magnetic layer. The plurality of flakes are aligned so as to form a plurality of rings or curves, wherein within each ring or curve, flakes are tilted at a same angle with respect to the substrate and planes extending from surfaces of said flakes intersect with one another. The device provides a visible image of a single ring or curve when illuminated with a single light source, and three rings or curves are visible when three light sources illuminate the device. The device may be used as a printed light detector.
Abstract translation: 一种器件包括衬底和至少1000个薄片，搁置在衬底上，每个薄片包括磁性层。 多个薄片对齐以形成多个环或曲线，其中在每个环或曲线内，薄片相对于基底以相同的角度倾斜，并且从所述薄片的表面延伸的平面彼此相交。 当用单个光源照明时，该设备提供单个环或曲线的可见图像，并且当三个光源照亮设备时，三个环或曲线可见。 该装置可以用作印刷光检测器。
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公开(公告)号：US09522402B2
公开(公告)日：2016-12-20
申请号：US14681551
申请日：2015-04-08
Applicant: Viavi Solutions Inc.
Inventor： Vladimir P. Raksha , Paul G. Coombs , Charles T. Markantes
IPC: B41F11/02 , B41M3/14 , B05B5/00 , B05D3/00 , B05D5/06 , B41M3/00 , B41M5/00 , B42D25/29 , B41F23/00
CPC classification number: B41M1/00 , B05B5/00 , B05B7/02 , B05D3/207 , B05D5/06 , B05D5/061 , B41F11/02 , B41F23/00 , B41M3/00 , B41M3/14 , B41M5/00 , B41P2200/30 , B42D25/29 , B42D25/369 , B42D2033/16 , B42D2035/20
Abstract: The invention relates to a method of aligning magnetic flakes, which includes: coating a substrate with a carrier having the flakes dispersed therein, moving the substrate in a magnetic field so as to align the flakes along force lines of the magnetic field in the absence of an effect from a solidifying means, and at least partially solidifying the carrier using a solidifying means while further moving the substrate in the magnetic field so as to secure the magnetic flakes in the carrier while the magnetic field maintains alignment of the magnetic flakes. An apparatus is provided, which has a belt for moving a substrate along a magnet assembly for aligning magnetic flakes. The apparatus also includes a solidifying means, such as a UV- or e-beam source, and a cover above a portion of the magnet assembly for protecting the flakes from the effect of the solidifying means.
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公开(公告)号：US09482800B2
公开(公告)日：2016-11-01
申请号：US14300823
申请日：2014-06-10
Applicant: Viavi Solutions Inc.
Inventor： Charles T. Markantes , Cornelis Jan Delst , Vladimir P. Raksha , David de la Fuente , Paul G. Coombs
IPC: G02B5/28
Abstract: In a plurality of asymmetric color-shifting flakes, each flake has an asymmetric magnetic core with a magnetic layer visible on the first side of the core and a non-magnetic reflector layer on the magnetic layer, visible on the second side of the core. The flake has a spacer layer and an absorber layer on the first side of the core, and also a spacer layer and an absorber layer on the second side of the core, for providing color shifting effects. The material of the magnetic layer is different from the material of the reflector layer, and may be more stable when exposed to a chemical. When a coating with the asymmetric color-shifting flakes is exposed to the chemical, it may have better optical performance than a coating with symmetric color-shifting flakes.
Abstract translation: 在多个非对称色移薄片中，每个薄片具有非对称磁芯，磁芯在磁芯的第一侧可见，磁性层上的非磁性反射层可见于磁芯的第二侧。 薄片在芯的第一侧上具有间隔层和吸收层，并且在芯的第二侧上还具有间隔层和吸收层，用于提供颜色转换效果。 磁性层的材料与反射层的材料不同，暴露于化学物质时可能更稳定。 当具有不对称色移薄片的涂层暴露于化学品时，可能具有比具有对称色移薄片的涂层更好的光学性能。
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公开(公告)号：US10173455B2
公开(公告)日：2019-01-08
申请号：US14986293
申请日：2015-12-31
Applicant: Viavi Solutions Inc.
Inventor： Vladimir P. Raksha , Paul G. Coombs , Charles T. Markantes , Alberto Argoitia , Roger W. Phillips
Abstract: A printed image is disclosed wherein the image may be in the form of an array of magnetically aligned platelets or flakes that may by uniform in shape and size and wherein the flakes are arranged in a particularly manner to form optically illusive images useful as security devices, or useful in beam steering applications. In one embodiment of this invention printed array is disclosed a plurality of concentric rings of magnetically aligned platelets disposed upon a substrate in the form of a Fresnel structure, preferably a Fresnel reflector. Advantageously, since the magnetic field can be controlled with respect to strength and direction, one can easily design a field that will correct for spherical aberration that would otherwise be present in a typical Fresnel reflector. In other embodiments of the invention optically illusive images of funnels, domes and cones are printed.
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公开(公告)号：US10061065B2
公开(公告)日：2018-08-28
申请号：US14546317
申请日：2014-11-18
Applicant: Viavi Solutions Inc.
Inventor： Cornelis Jan Delst , Matthew R. Witzman , Paul T. Kohlmann , Charles T. Markantes
CPC classification number: G02B5/288 , B29C70/585 , C01P2006/62 , C09C1/0015 , C09C2200/1054 , C09C2200/24 , C09C2220/20 , C09D5/36 , G02B5/22 , G02B5/284 , G02B5/285 , G02B5/286 , G02B27/0012
Abstract: A method of providing a configuration of a system of interference filters with a visible color shifting effect, includes: a hue matching step of identifying a configuration of a first interference filter including two first metal layers and a first spacer layer therebetween, and a configuration of a second interference filter including two second metal layers and a second spacer layer therebetween, wherein the first and second filters match in hue at the first viewing angle, and the mismatch in hue at the second angle; and a lightness adjustment step which may include modifying the layer material or the layer thickness of one of the metal layers; wherein a difference in lightness at the first viewing angle between the first and second modified filters is less that a difference in lightness at the first viewing angle between the first and second filters.
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