中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

36 records (took 0.017 seconds)

    ORIENTING MAGNETICALLY-ORIENTABLE FLAKES
    22.
    发明申请
    ORIENTING MAGNETICALLY-ORIENTABLE FLAKES 有权

    公开(公告)号：US20220056238A1

    公开(公告)日：2022-02-24

    申请号：US17516418

    申请日：2021-11-01

    Applicant: VIAVI SOLUTIONS INC.

    Inventor： Vladimir P. RAKSHA ,  Cornelis Jan Delst

    IPC: C08K3/01 ,  B05D3/00 ,  B05D5/06 ,  B05D3/06 ,  B42D25/369 ,  B42D25/41 ,  C09D5/23 ,  C09D7/40 ,  B41M7/00 ,  C08K7/00

    Abstract: According to examples, a substrate may be moved through a magnetic field, in which the substrate includes a fluid carrier containing magnetically-orientable flakes. The magnetic field may influence the magnetically-orientable flakes to be respectively oriented in one of multiple orientations. In addition, during movement of the substrate through the magnetic field, radiation may be applied onto a plurality of selected portions of the fluid carrier through at least one opening in a mask to cure the fluid carrier at the plurality of selected portions and fix the magnetically-orientable flakes in the plurality of selected portions at the respective angular orientations as influenced by the magnetic field.

    OPTICAL SECURITY DEVICE BASED ON A SURFACE OF REVOLUTION
    24.
    发明申请
    OPTICAL SECURITY DEVICE BASED ON A SURFACE OF REVOLUTION 审中-公开

    公开(公告)号：US20200050140A1

    公开(公告)日：2020-02-13

    申请号：US16102250

    申请日：2018-08-13

    Applicant: VIAVI Solutions Inc.

    Inventor： Vladimir P. RAKSHA ,  Cornelis Jan DELST

    IPC: G03G21/04 ,  B41M3/14 ,  G07D7/12

    Abstract: An optical article printed on a substrate may include an organic binder; and a plurality of reflective magnetic platelets provided in the organic binder, wherein the plurality of reflective magnetic platelets are substantially aligned in accordance with at least part of a surface of revolution, and wherein the plurality of reflective magnetic platelets are aligned to cause a first reflective effect of the optical article when the substrate is rotated around a first axis and to cause a second reflective effect of the optical article when the substrate is rotated around a second axis, wherein the first reflective effect is different from the second reflective effect.

    DURABLE OPTICAL INTERFERENCE PIGMENT WITH A BIMETAL CORE
    28.
    发明申请
    DURABLE OPTICAL INTERFERENCE PIGMENT WITH A BIMETAL CORE 审中-公开
    具有双重核心的耐用光学干涉色素

    公开(公告)号：US20170023714A1

    公开(公告)日：2017-01-26

    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: G02B5/28 ,  G02B5/00

    CPC classification number: G02B5/288 ,  G02B5/003 ,  G02B5/285

    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。

    OPTICAL SECURITY ELEMENT
    29.
    发明公开
    OPTICAL SECURITY ELEMENT 审中-公开

    公开(公告)号：US20240198715A1

    公开(公告)日：2024-06-20

    申请号：US18595021

    申请日：2024-03-04

    Applicant: VIAVI SOLUTIONS INC,

    Inventor： Vladimir P. RAKSHA ,  Cornelis Jan Delst

    IPC: B42D25/369 ,  B42D25/40

    CPC classification number: B42D25/369 ,  B42D25/40

    Abstract: An assembly including a first magnet; a substrate positioned above the first magnet, and having a surface for receiving a composition including a plurality of magnetizable platelets; and a second magnet, positioned above the substrate is disclosed. The assembly can be used in a method of making an optical security element. The optical security element and the method of making the optical security element are also disclosed.

    OPTICAL SECURITY DEVICE BASED ON A SURFACE OF REVOLUTION
    30.
    发明申请
    OPTICAL SECURITY DEVICE BASED ON A SURFACE OF REVOLUTION 有权

    公开(公告)号：US20220026844A1

    公开(公告)日：2022-01-27

    申请号：US17448932

    申请日：2021-09-27

    Applicant: VIAVI Solutions Inc.

    Inventor： Vladimir P. RAKSHA ,  Cornelis Jan Delst

    IPC: G03G21/04 ,  B41M3/14 ,  G07D7/12

    Abstract: An optical article printed on a substrate may include an organic binder; and a plurality of reflective magnetic platelets provided in the organic binder, wherein the plurality of reflective magnetic platelets are substantially aligned in accordance with at least part of a surface of revolution, and wherein the plurality of reflective magnetic platelets are aligned to cause a first reflective effect of the optical article when the substrate is rotated around a first axis and to cause a second reflective effect of the optical article when the substrate is rotated around a second axis, wherein the first reflective effect is different from the second reflective effect.

Patent Agency Ranking