发明名称 Portador de dados para a transmissÆo de sinais el-tricos
摘要 The invention concerns a data medium for transmission of electrical signals to a read or write station with a data medium body (2) in which a semiconductor chip (3) is constructed with an integrated electronic circuit. The data medium (2) has two cardboard or paper layers (6, 7), between which a stiffening element (8) is inserted which at least partly surrounds the semiconductor chip (3).
申请公布号 BR9711618(A) 申请公布日期 1999.08.24
申请号 BR19979711618 申请日期 1997.07.16
申请人 SIEMENS AKTIENGESELLSCHAFT 发明人 PETER STAMPKA;DETLEF HOUDEAU
分类号 G06K19/07;G06K19/077;(IPC1-7):G06K19/077 主分类号 G06K19/07
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