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    • 1. 发明授权
    • Card-shaped data carrier
    • 卡形数据载体
    • US08778834B2
    • 2014-07-15
    • US13509121
    • 2010-11-09
    • Günter EndresTobias Salzer
    • Günter EndresTobias Salzer
    • B41M5/42B44F1/10
    • B41M5/42B42D25/324B42D25/328B44F1/10G02B5/208G02B5/23
    • A multi-layer card-shaped data carrier has a marking layer containing a hidden marking, and a thermochromic cover layer arranged over the marking layer at least in the area of the hidden marking. The thermochromic cover layer is opaque below its change temperature, hides the marking, and is translucent or transparent above its change temperature, enabling viewing of the marking. The thermochromic cover layer is pervious to radiation outside the visible spectral range and the marking layer absorbs radiation energy outside the visible spectral range, so that the hidden marking can be incorporated into the marking layer through the thermochromic cover layer by laser radiation of a wavelength outside the visible spectral range.
    • 多层卡形数据载体具有包含隐藏标记的标记层和至少在隐藏标记区域上布置在标记层之上的热变色覆盖层。 热变色覆盖层在其变化温度以下是不透明的,隐藏标记,并且在其变化温度之上是半透明或透明的,使得能够观察标记。 热变色覆盖层可透过可见光谱范围外的辐射,标记层吸收可见光谱范围外的辐射能,使隐藏的标记可以通过热变色覆盖层通过外部波长的激光辐射结合到标记层中 可见光谱范围。
    • 2. 发明授权
    • Card having embedded security element
    • 具有嵌入式安全元件的卡
    • US08403230B2
    • 2013-03-26
    • US13121311
    • 2009-09-29
    • Gunter EndresBernd OwegerJurgen Karl StahlTobias Salzer
    • Gunter EndresBernd OwegerJurgen Karl StahlTobias Salzer
    • G06K19/02B42D15/00
    • B42D25/324B32B37/1207B32B37/185B32B2305/347B32B2425/00B42D25/00B42D25/23B42D25/328B42D25/373B42D25/455B42D25/47B42D2033/30G06K19/08Y10T156/1039
    • The invention relates to a card (1), such as a credit card or ID card, which has several layers laminated with each other, wherein between a first card layer (21) and a second card layer (22) there is embedded a security element (2) which has a plastic or lacquer layer (4) with a relief structure (5). The relief structure has areas (5′, 5″) with different picture elements and produces a visible representation (6) and a hidden representation (7) which can be made visible with aids. The security element is adhesively bonded by adhesive layers (9, 10) to the two card layers (21, 22) between which it is embedded, the adhesives being chosen from the group which consists of physically drying adhesives and adhesives crosslinkable by heat, preferably water-based. Upon use of an adhesive crosslinkable by heat, the crosslinking temperature of the adhesive is lower than the softening temperature of the plastic or the lacquer layer (4) in which there is present the relief structure (5). The invention also relates to a method for manufacturing such a card.
    • 本发明涉及一种具有彼此层叠的多层的诸如信用卡或ID卡的卡(1),其中在第一卡层(21)和第二卡层(22)之间嵌入安全性 元件(2),其具有具有浮雕结构(5)的塑料或漆层(4)。 浮雕结构具有不同图像元素的区域(5',5“),并产生可见的表示(6)和隐藏的表示(7),其可以被辅助地看到。 安全元件通过粘合剂层(9,10)粘合到其所嵌入的两个卡片层(21,22)之间,粘合剂选自由物理干燥的粘合剂和可通过热交联的粘合剂组成的组 水为主。 使用通过热交联的粘合剂时,粘合剂的交联温度低于其中存在浮雕结构(5)的塑料或漆层(4)的软化温度。 本发明还涉及这种卡的制造方法。
    • 4. 发明申请
    • CARD-SHAPED DATA CARRIER
    • 卡形数据载体
    • US20120263893A1
    • 2012-10-18
    • US13509121
    • 2010-11-09
    • Günter EndresTobias Salzer
    • Günter EndresTobias Salzer
    • B44F1/10G03F7/20
    • B41M5/42B42D25/324B42D25/328B44F1/10G02B5/208G02B5/23
    • A multi-layer card-shaped data carrier has a marking layer containing a hidden marking, and a thermochromic cover layer arranged over the marking layer at least in the area of the hidden marking. The thermochromic cover layer is opaque below its change temperature, hides the marking, and is translucent or transparent above its change temperature, enabling viewing of the marking. The thermochromic cover layer is pervious to radiation outside the visible spectral range and the marking layer absorbs radiation energy outside the visible spectral range, so that the hidden marking can be incorporated into the marking layer through the thermochromic cover layer by laser radiation of a wavelength outside the visible spectral range.
    • 多层卡形数据载体具有包含隐藏标记的标记层和至少在隐藏标记区域上布置在标记层之上的热变色覆盖层。 热变色覆盖层在其变化温度以下是不透明的,隐藏标记,并且在其变化温度之上是半透明或透明的,使得能够观察标记。 热变色覆盖层可透过可见光谱范围外的辐射,标记层吸收可见光谱范围外的辐射能,使隐藏的标记可以通过热变色覆盖层通过外部波长的激光辐射结合到标记层中 可见光谱范围。