| 摘要 |
A dual card system for a portable device and a fixed terminal machine is disclosed The dual card system (20) includes a first card (24 having a first substrate (21)and a first integrated circuit (IC) provided with a first plurality of contacts (25) on a top surface of the first substrate (21), and a second card (34) having a second substrate (37) and a second IC provided with a second plurality of contacts on top surface of the second substrate (37) The second substrate (37) is provided with a first plurality of pins on a bottom surface thereo to be electrically coupled with the first plurality of contacts, respectfully
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