Die-attach films for chip-scale packaging, packages made...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Nitrogen-containing reactant

Reexamination Certificate

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Details

C257S777000, C257S783000, C156S331200, C156S331100

Reexamination Certificate

active

07816487

ABSTRACT:
A die-attach composition includes a resin such as a thermosetting resin, a hardener, and a low molecular weight oligomer diluent. A die-attach composition includes a polyimide in a major amount and a resin such as a thermosetting resin in a minor amount. The die-attach composition also includes a reactive polymer diluent. Combinations of the low molecular weight oligomer diluent and the reactive polymer diluent are included. The die-attach composition is applied to surface mount technology such as wire-bond dice. A computing system is also included that uses the die-attach composition.

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