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    • 53. 发明公开
    • SELECTIVE DIELECTRIC COATING
    • 选择性电介质涂层
    • EP3215983A1
    • 2017-09-13
    • EP15798348.7
    • 2015-11-09
    • T-Touch International S.à r.l.
    • THIELE, JanVOIGT, SaschaFÖRSTER, MatthiasWEIGELT, Karin
    • G06K19/067
    • G06K19/07788G06K7/08G06K7/081G06K19/067H04B5/0012
    • The invention relates to a capacitive, planar information carrier with a first, second and third electrically conductive area wherein the first electrically conductive area is overprinted with a first dielectric layer having a first relative permittivity ∈1 and wherein the third electrically conductive area is overprinted with a second dielectric layer having a second relative permittivity ∈2. In another aspect, the invention relates to an information carrier formed from an electrically conductive surface of an object or an electrically conductive object. In other aspects, the invention relates to methods for the manufacture of information carriers, methods for detecting information carriers and to the use of an information carrier.
    • 具有第一,第二和第三导电区域的电容性平面信息载体技术领域本发明涉及一种具有第一,第二和第三导电区域的电容性平面信息载体,其中第一导电区域被叠印有具有第一相对介电常数ε1的第一介电层,并且其中第三导电区域叠印有 第二介电层具有第二相对介电常数ε2。 另一方面,本发明涉及由物体或导电物体的导电表面形成的信息载体。 在其它方面,本发明涉及用于制造信息载体的方法,用于检测信息载体的方法以及信息载体的使用。
    • 56. 发明公开
    • RFID TAG AND RFID SYSTEM
    • RFID标签和RFID系统
    • EP3029610A1
    • 2016-06-08
    • EP13890425.5
    • 2013-07-31
    • Fujitsu Limited
    • KAI, Manabu
    • G06K19/077G06K19/07H01Q1/38H01Q7/00
    • G06K7/10316G06K19/07749G06K19/07756G06K19/07767G06K19/07771G06K19/07786G06K19/07788H01Q1/2225H01Q1/38H01Q7/00
    • To provide an RFID tag (100) capable of performing communications stably regardless of the RFID tag being attached to a metallic member or being attached to a non-metallic member.
      The RFID tag (100) includes a base part (101) made of dielectric material and having plate-like shape, a loop antenna (140, 240) around the base part (101) including a first antenna element (110) and a second element (120), and a loop-length shorter than a wavelength of a resonant frequency, and an IC chip (130) placed at a first surface side of the base part (101). The IC chip is connected between a first terminal (113) disposed on a first end of the first antenna element (110) and a second terminal (123A) disposed on a first end of the second antenna element (120). The loop antenna (140, 240) includes an overlapping part (160) at a second surface side of the base part (101), and a capacitance of the overlapping part is adjusted such that a difference between an imaginary component of a first synthetic impedance and an imaginary component of a second synthetic impedance is less than or equal to a predetermined value.
    • 本发明提供一种RFID标签(100),无论RFID标签附着于金属部件还是附着于非金属部件,都能稳定地进行通信。 该RFID标签(100)包括:由介电材料制成并且具有板状形状的基部(101);围绕基部(101)的环形天线(140,240),其包括第一天线元件(110)和第二天线元件 (120)以及比共振频率的波长短的环长的IC芯片(130)以及配置在所述基部(101)的第一面侧的IC芯片(130)。 IC芯片连接在设置在第一天线元件(110)的第一端上的第一端子(113)和设置在第二天线元件(120)的第一端上的第二端子(123A)之间。 环形天线(140,240)在基部(101)的第二表面侧包括重叠部分(160),并且重叠部分的电容被调整为使得第一合成阻抗的虚部 并且第二综合阻抗的虚部小于或等于预定值。