Reworkable polymer chip encapsulant

Semiconductor device manufacturing: process – Packaging or treatment of packaged semiconductor

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Details

438127, H01L 2144, H01L 2148, H01L 2150

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active

059305975

ABSTRACT:
A C4 or flip chip reworkable electronic device is provided comprising an integrated circuit chip having conductive pads thereon which pads are electrically connected to corresponding pads on an interconnection substrate by solder connections, wherein the space between the chip and substrate is sealed using a specially defined thermoplastic resin such as polysulfone and polyetherimide.

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