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    • 5. 发明授权
    • Smart card and semiconductor chip for use in a smart card
    • 用于智能卡的智能卡和半导体芯片
    • US06188580B1
    • 2001-02-13
    • US09246774
    • 1999-02-08
    • Michael HuberPeter StampkaDetlef Houdeau
    • Michael HuberPeter StampkaDetlef Houdeau
    • H05K511
    • G06K19/07728G06K19/07743
    • The smart card has a card body and a plurality of contact areas exposed on a flat surface of the card body. The contact areas are fabricated from electrically conductive material and are electrically connected to contact terminals, which are assigned to an electronic circuit formed on the semiconductor substrate of a semiconductor chip. The contact areas are fabricated as a structured coating on a main surface of the semiconductor chip. The semiconductor chip, after fabrication with the contact areas is inserted and fixed in a receptacle opening in the card body of the smart card in such a way that the contact areas extend essentially flush with the outer face of the card body. In order to ensure sufficiently high mechanical flexibility, the thickness of the silicon substrate of the chip is preferably less than about 100 &mgr;m.
    • 智能卡具有卡体和暴露在卡体的平坦表面上的多个接触区域。 接触区域由导电材料制成并且电连接到接触端子,接触端子被分配给形成在半导体芯片的半导体衬底上的电子电路。 接触区域被制成半导体芯片的主表面上的结构化涂层。 将具有接触区域的制造之后的半导体芯片插入并固定在智能卡的卡体中的插座开口中,使得接触区域基本上与卡体的外表面齐平。 为了确保足够高的机械灵活性,芯片的硅衬底的厚度优选小于约100μm。