Interconnect circuitry, multichip module, and methods of...

Details Interconnect circuitry, multichip module, and methods of... Interconnect circuitry, multichip module, and methods of...

2005-01-04

2005-01-04

Kang, Donghee (Department: 2811)

Active solid-state devices (e.g., transistors, solid-state diode

Lead frame

C257S667000, C257S668000, C257S635000, C257S758000, C257S700000, C257S324000

Reexamination Certificate

active

06838750

ABSTRACT:
An electrical circuit having one or more dielectric layers formed of latex; and one or more layers of electrically conductive material, such as copper, patterned to form multiple electrical interconnects, with each such layer placed on top of one of said dielectric layers. The dielectric and conductive layers can be used to connect multiple chips in a multichip module. The latex layers can be formed to have a top surface that contains peaks and valleys, and the conductive layers can be formed of a first metal that substantially fills such valleys, so as to increase the adherence of the metal to the latex surface. The layers of conductive metal can contain particles of a second metal between said peaks and valleys of the latex layer that were used as a catalytic seed particles to promote the deposition of the metal layer onto the top surface of the latex.

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