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    • 7. 发明申请
    • RFID TAG WITH USER-CONTROLLED KILL MECHANISM
    • RFID标签与用户控制的杀戮机制
    • US20090201130A1
    • 2009-08-13
    • US12027306
    • 2008-02-07
    • Kenneth L. GreenleeChristian Lee HuntAnne Irene Ryan
    • Kenneth L. GreenleeChristian Lee HuntAnne Irene Ryan
    • H04Q5/22
    • G06K7/0008
    • An inexpensive disabling or kill mechanism is provided for an RFID tag to allow a user to decide when to disable the tag and to initiate the kill process. RFID tag antenna circuitry is partially or wholly covered with an oxidation-retardant coating. The activation-retardant coating includes a grippable pull tab. When a user decides he or she no longer wants a functional RFID tag, the user can use the pull tab to remove the least a selectable area of the oxidation-retardant coating. Removing the selectable area will expose at least part of the antenna to begin an oxidizing process that will eventually disable the antenna. An oxidizing agent may be deposited on the antenna before the oxidation-retardant coating is put in place. When exposed to ambient environment, the oxidizing agent may accelerate the oxidation process that disables the antenna.
    • 为RFID标签提供廉价的禁用或杀死机制,以允许用户决定何时禁用标签并启动杀死过程。 RFID标签天线电路部分或全部覆盖有阻氧涂层。 活化阻挡涂层包括可抓握的拉片。 当用户决定他或她不再需要功能性RFID标签时,用户可以使用拉片去除至少一个可选择的阻氧涂层区域。 去除可选择的区域将暴露天线的至少一部分,以开始最终使天线失效的氧化过程。 在将氧化剂涂覆在适当位置之前,氧化剂可以沉积在天线上。 当暴露于环境环境中时,氧化剂可加速禁止天线的氧化过程。