Semiconductor package with chip redistribution interposer

Electricity: conductors and insulators – Boxes and housings – Hermetic sealed envelope type

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361712, H01L 2302

Patent

active

054553873

ABSTRACT:
An electronic package with a semiconductor chip, a lead frame, a metal casing, and a redistribution interposer. The chip is mounted on the interposer and wirebonded to first ends of redistribution leads of the interposer. The redistribution leads have second ends orientated in a general flipped orientation relative to their corresponding first ends. The second ends are wirebonded to pads of the lead frame. The interposer allows smaller chips to be used in the package without changing the lead frame. The interposer also allows the chip to be flip-mounted in the package without changing the lead frame or casing, this allows redirection of the chip's thermal path.

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