Structure of polymer-matrix conductive film and method for...

Active solid-state devices (e.g. – transistors – solid-state diode – Combined with electrical contact or lead – Of specified configuration

Reexamination Certificate

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C257S734000, C257S783000, C257S792000, C257SE23007, C257SE23067, C257SE23119, C977S761000, C977S762000, C977S766000, C977S770000, C977S778000

Reexamination Certificate

active

07605474

ABSTRACT:
A composite conductive film formed of a polymer-matrix and a plurality of conductive lines less than micro-sized and its fabricating method are provided. The conductive lines are arranged parallel and spaced apart from each other so as to provide anisotropic conductivity. The present conductive film can serve as an electrical connection between a fine-pitch chip and a substrate. Additionally, an adhesive layer is formed on two opposite sides of the conductive film along its conductive direction to increase adhesive areas. The strength and reliability of the package using the conductive film are thus enhanced.

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patent: 2008/0292840 (2008-11-01), Majumdar et al.

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