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    • 1. 发明公开
    • CIPHER INFORMATION-CONTAINING MATERIAL, ITS IDENTIFYING METHOD, AND ITS IDENTIFYING SYSTEM
    • CHIFFREINFORMATIONEN认为材料,VERFAHREN ZU SEINER识别识别体系DAFÜR
    • EP1548636A1
    • 2005-06-29
    • EP03795226.4
    • 2003-08-19
    • Plagenom Co., Ltd.
    • KUSHIDA, Takashi
    • G06K19/06G06K19/10G06K7/12C09K11/08
    • C09K11/77G01N33/442
    • A material for preventing forgery and false alteration. The material comprises a particulate information presenting substance. The information presenting substance is one or more elements, a compound of two or more elements, or a substance containing the elements or compounds. The fluorescence emitted from the substance is different depending on the production history and cipher information different depending on the production history is related to the substance. Even if the fluorescence from such an information presenting substance is detected by a false third party, the production history of the information presenting substance cannot be grasped from the fluorescence. Therefore the fluorescence of the information presenting substance cannot be reproduced, and a high confidentiality of the cipher information given to the material can be ensured.
    • 防伪和虚假变更的材料。 该材料包括颗粒信息呈现物质。 信息呈现物质是一种或多种元素,两种或多种元素的化合物或含有元素或化合物的物质。 从物质发出的荧光根据生产历史不同,根据生产历史不同的密码信息与物质有关。 即使这样的信息呈现物质的荧光被假的第三方检测到,信息呈现物质的生产历史也不能从荧光中获得。 因此,不能再现信息呈现物质的荧光,并且可以确保给予材料的密码信息的高机密性。