摘要 |
A microelectronic element such as a semiconductor chip has springs such as coil springs bonded to contacts so that the springs serve as electrical connections to a circuit panel. The unit can be tested readily and can be surface-mounted to a circuit panel by bonding the distal ends of the springs, remote from the microelectronic element, to the panel. The springs can also serve as antennas so as to provide a miniaturized phased array.
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