Patent ID: 11876002
Assignee: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
Field: Materials, metallurgy (Chemistry)
Classification: CPC B  H | IPC B  H

Claim 0:
1. A method for interconnecting components of an electronic system, the method comprising the steps of:
a) depositing a sintering solution onto a first component in order to form an interconnection layer, the sintering solution comprising a solvent, metal nanoparticles dispersed in the solvent, and a stabilizing agent adsorbed onto the metal nanoparticles,
the metal nanoparticles comprising for more than 95.0% of their mass a metal selected from silver, gold, copper and alloys thereof and having a polyhedral shape with an aspect ratio of more than 0.8,
the stabilizing agent is one or more surfactants customized so that during elimination of the solvent, the metal nanoparticles assemble in a least one ordered agglomerate,
b) eliminating, at least partially, the solvent from the interconnection layer such as to form at least one ordered agglomerate in which the metal nanoparticles are regularly disposed in three axes, the stabilizing agent binding them together and maintaining at least a portion of the metal nanoparticles at a distance from each other,
c) debinding and sintering the interconnection layer, and
d) depositing a second component in contact with the interconnection layer before or during debinding or sintering.