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    Identification card and method of producing it
    72.
    发明授权
    Identification card and method of producing it 失效
    身份证及其制作方法

    公开(公告)号：US4596409A

    公开(公告)日：1986-06-24

    申请号：US786353

    申请日：1985-10-11

    Applicant: Hans J. Holbein ,  Thomas Maurer

    Inventor： Hans J. Holbein ,  Thomas Maurer

    IPC: G06K19/00 ,  B42D25/00 ,  B42D25/41 ,  B42D25/415 ,  G06K19/06 ,  G06K19/10 ,  B42D15/00

    CPC classification number: B42D25/41 ,  B42D25/00 ,  B42D25/415 ,  G06K19/06046 ,  B42D2033/30 ,  B42D2035/06 ,  B42D2035/08 ,  Y10S283/904 ,  Y10S430/146 ,  Y10S430/148

    Abstract: An identification card, in particular an all-plastic indentification card, written on by means of a laser, having user-related and user-neutral data such as a name, account number, etc. present on the surface of the indentification card in the form of local discolorations of the identification card material without any transition. Due to a local increase in tensile strength, these decolorized areas have greater resistance to mechanical changes and/or chemical solvents than the surrounding areas of the identification card made of the same identification card material. Thus attempted falsification by means of mechanical and chemical means is prevented in an especially effective way, since such attempts lead to destruction of the identification card in each case. The personalization of the identification card with the freely selectable user-related data can take place by preference decentrally by means of a laser beam, the energy of which is controlled in such a way that the identification card material is decolorized but not destroyed.

    Abstract translation: 通过激光器写入的识别卡，特别是全塑识别卡，具有用户相关和用户中立的数据，例如在该识别卡的表面上存在的名称，帐号等 形式的识别卡材料的局部变色，没有任何过渡。 由于拉伸强度的局部增加，与由相同的识别卡材料制成的识别卡的周围区域相比，这些脱色区域具有比机械变化和/或化学溶剂更大的抗性。 因此，以特别有效的方式防止了通过机械和化学手段进行的伪造，因为这种尝试导致在每种情况下破坏身份证。 具有可自由选择的用户相关数据的识别卡的个性化可以通过激光束分散地进行，其能量被控制为使得识别卡材料被脱色但不被破坏。

    Identification card with heat reactive coating
    73.
    发明授权
    Identification card with heat reactive coating 失效
    具有热反应性涂层的识别卡

    公开(公告)号：US4519632A

    公开(公告)日：1985-05-28

    申请号：US359961

    申请日：1982-03-19

    Applicant: Dean B. Parkinson ,  Orton D. Bergren

    Inventor： Dean B. Parkinson ,  Orton D. Bergren

    IPC: B42D15/10 ,  B42F15/00

    CPC classification number: B42D25/324 ,  B42D25/00 ,  B42D25/23 ,  B42D25/378 ,  B42D25/405 ,  B42D25/415 ,  B42D25/425 ,  B42D2033/20 ,  B42D2035/24 ,  B42D2035/34 ,  B42D25/45

    Abstract: A multi-layered engraved identification card includes a base layer having a first color and a color-changeable, heat sensitive layer initially having a second color which is changeable to a third color contrasting with the first color upon heating to a first temperature for a specified period of time. The color-changeable layer is initially prepared as a solution of a resin, a plasticizer, a heat-sensitive coloring agent for causing the color change, and a solvent in which both the base and the resin of the solution are soluable. Alternatively, the solution may further include a cross-linkable plasticizer with a peroxide to cause the resin of the solution and the plastic of the base to be cross-linked and hence bonded permanently to the base. The engraving may be done after the color changeable layer is formed on the base, or alternatively, the base may be first engraved and the color-changeable solution applied to the non-engraved surface regions or applied to fill the engraved depressions.

    Abstract translation: 多层雕刻的识别卡包括具有第一颜色的基底层和最初具有第二颜色的可变色热敏层，该第二颜色在加热到第一温度时可改变为与第一颜色相反的第三颜色， 一段的时间。 颜色变化层最初制备为树脂，增塑剂，引起颜色变化的热敏着色剂的溶液，以及溶液的碱和树脂均可溶解的溶剂。 或者，该溶液还可以包括具有过氧化物的可交联增塑剂，以引起溶液的树脂和基材的塑料交联并因此永久地粘合到基底上。 可以在基底上形成可变色层之后进行雕刻，或者，可以首先雕刻基底，并将可变色溶液施加到非雕刻表面区域或施加以填充雕刻的凹陷。

    Security element
    76.
    发明授权
    Security element 有权

    公开(公告)号：US11945254B2

    公开(公告)日：2024-04-02

    申请号：US17424095

    申请日：2020-01-16

    Applicant: BASF SE

    Inventor： Nikolay A. Grigorenko ,  Michelle Richert

    IPC: B42D25/373 ,  B42D25/21 ,  B42D25/351 ,  B42D25/415 ,  C08J7/04 ,  C08K3/08

    CPC classification number: B42D25/351 ,  B42D25/21 ,  B42D25/373 ,  B42D25/415 ,  C08J7/0427 ,  C08K3/08 ,  C08J2367/02 ,  C08J2429/04 ,  C08K2003/0806 ,  C08K2201/003

    Abstract: The present invention relates to security, or decorative elements, comprising a transparent, or translucent substrate, which may contain indicia or other visible features in or on its surface, and on at least part of the substrate surface, a first layer, comprising transition metal particles having an average diameter of from 5 nm to 500 nm and a binder, on at least part of the first layer a second layer, comprising an organic material and having a refractive index of from 1.2 to 2.3 and having a thickness of from 20 to 1000 nm, wherein the transition metal is silver, copper, gold and palladium, wherein the weight ratio of transition metal particles to binder in the first layer is in the range from 20:1 to 1:2 in case the binder is a polymeric binder, or wherein the weight ratio of transition metal particles to binder in the first layer is in the range from 5:1 to 1:15 in case the binder is an UV curable binder. The security or decorative element show a certain color in transmission and a different color in reflection and a color flop on the coating side. The color in reflection and the color flop of the security or decorative elements are controlled by adjusting the refractive index and thickness of the second layer.

    Security document containing an authentication device
    78.
    发明授权
    Security document containing an authentication device 有权

    公开(公告)号：US10052904B2

    公开(公告)日：2018-08-21

    申请号：US12444168

    申请日：2007-10-04

    Applicant: Wayne Kevin Jackson ,  Francois Bauer

    Inventor： Wayne Kevin Jackson ,  Francois Bauer

    IPC: B42D15/00 ,  B42D15/10 ,  G09C3/00 ,  B42D25/415 ,  B42D25/364 ,  B42D25/455 ,  B42D25/29 ,  G07D7/181

    CPC classification number: B42D25/415 ,  B42D25/29 ,  B42D25/364 ,  B42D25/455 ,  B42D2033/12 ,  B42D2033/26 ,  B42D2033/46 ,  G07D7/181 ,  Y10T29/49155

    Abstract: A flexible security document is provided which contains an authentication device including: a) source of electrical potential (5), the source including a piezoelectric polymeric material including at least one terpolymer of vinylidene fluoride (VDF), trifluoroethylene (TrFE) and a halogenated ethylene based monomer containing at least one non-fluorine halogen atom, the source of electrical potential being activated by mechanical deformation; b) reporter element (3) including a material capable of switching electrically between a first state and a second state, the difference between the first state and the second state being able to be perceived by an unaided human; and c) conducting elements (8) electrically connecting the source of electrical potential and the reporter element to produce an electric circuit. The reporter element (3) may take a number of different forms, such as a light emitting device which lights up or undergoes color change when activated by the source of electrical potential to provide an indication of authenticity. In a particularly preferred embodiment, the flexible security document is a banknote and the source of electrical potential is applied by printing.

    Deposition Process Based on Stencil Mask and Application to the Fabrication of Tags Supporting Multi-Functional Traceable Codes
    80.
    发明申请
    Deposition Process Based on Stencil Mask and Application to the Fabrication of Tags Supporting Multi-Functional Traceable Codes 审中-公开

    公开(公告)号：US20170081756A1

    公开(公告)日：2017-03-23

    申请号：US15126310

    申请日：2015-03-18

    Applicant: 3D-Oxides

    Inventor： Giacomo Benvenuti ,  Estelle Wagner ,  Cosmin Sandu

    IPC: C23C16/04 ,  C23C16/46 ,  B65D79/00 ,  G09F3/00 ,  B42D25/41 ,  B42D25/415 ,  C23C16/40 ,  C23C16/52

    CPC classification number: C23C16/042 ,  B42D25/41 ,  B42D25/415 ,  B65C9/00 ,  B65D79/00 ,  B81C1/00 ,  C23C16/40 ,  C23C16/46 ,  C23C16/52 ,  G09F3/00

    Abstract: A chemical gas phase deposition process comprises steps of providing a high vacuum chamber, and inside the high vacuum chamber: positioning a substrate surface; positioning a mask parallel to the substrate surface, whereby the mask comprises one or more openings; adjusting a gap of determined dimension between the substrate surface and the mask; and orienting a plurality of chemical precursor beams of at least one precursor species towards the mask with line of sight propagation, each of the plurality of chemical precursor beams being emitted from an independent punctual source, and molecules of the chemical precursor pass through the one or more mask openings to impinge onto the substrate surface for deposition thereon. At least a part of the chemical precursor molecules decompose on the substrate surface at a decomposition temperature. The process further comprises adjusting a temperature of the substrate surface greater or equal to the chemical precursor molecule decomposition temperature, thereby remaining greater than a mask temperature, and maintaining the mask temperature below the decomposition temperature, thereby causing a decomposition of the chemical precursor and a growth of a film on the substrate surface, but not on the mask; and heating the substrate surface using a heating device.

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