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AssigneeCabot Corporation
InventorsKarel Vanheusden, Klaus Kunze, Hyungrak Kim, Aaron Stump, Allen Schult, Mark Hampden-Smith, Chuck Edwards, Anthony James, James Caruso, Toivo Kodas, Scott Haubrich, Mark Kowalski
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A metal nanoparticle composition for the fabrication of conductive features. The metal nanoparticle composition advantageously has a low viscosity permitting deposition of the composition by direct-write tools. The metal nanoparticle composition advantageously also has a low conversion temperature, permitting its deposition and conversion to an electrical feature on polymeric substrates.
A composition for the fabrication of an electrically conductive feature, wherein the composition comprises (a) metal nanoparticles which carry thereon a substance that is capable of substantially preventing an agglomeration of the nanoparticles and (b) a vehicle that is capable of forming a dispersion with the metal nanoparticles, the composition being suitable for the fabrication of an electrically conductive feature by using a direct-write tool.
The composition of claim 42, wherein the adhesion promoter comprises a bismuth compound.
A composition for the fabrication of a conductive feature by ink-jet printing, wherein the composition comprises (a) at least about 5 weight percent of metal nanoparticles which carry thereon an organic substance which is capable of substantially preventing an agglomeration of the nanoparticles and (b) a vehicle which comprises a mixture of organic solvents, the composition having a surface tension at 20° C. of from about 20 dynes/cm to about 40 dynes/cm and a viscosity at 20° C. of from about 5 cP to about 15 cP.
A composition for ink-jet printing, wherein the composition comprises metal nanoparticles and is capable of being deposited in not more than two passes of an ink-jet printing head on a substrate as a line that can be rendered electrically conductive.
A composition for providing a substrate with a metal structure, wherein the composition comprises (a) at least about 10 weight percent of substantially non-agglomerated metal nanoparticles which have adsorbed thereon a polymer and (b) a vehicle which comprises an organic solvent that is capable of dissolving the polymer, the composition having a surface tension at 20° C. of not more than about 60 dynes/cm and a viscosity at 20° C. of not higher than about 30 cP.
A printed metallic feature, wherein the feature comprises a metal and a vinyl pyrrolidone polymer in a weight ratio of from about 100:1 to about 5:1.
A substrate having a metal structure thereon, wherein the metal structure comprises voids that are at least partially filled with an organic polymer.
A method for the fabrication of a conductive feature on a substrate, wherein the method comprises depositing on the substrate a composition comprising (i) metal nanoparticles which carry thereon a substance that is capable of substantially preventing an agglomeration of the nanoparticles and (ii) a liquid vehicle that comprises a solvent which is capable of dissolving the agglomeration-preventing substance;
A method for the fabrication of a conductive feature on a substrate, wherein the method comprises ink-jet printing on the substrate a composition comprising (i) at least about 10% by weight of substantially non-agglomerated silver nanoparticles which carry thereon a vinyl pyrrolidone polymer and (ii) a liquid vehicle;
A process for producing an ink-jet printable ink for the fabrication of electric and electronic devices, wherein the process comprises combining metal nanoparticles which carry thereon a substance that is capable of substantially preventing an agglomeration of the nanoparticles with a liquid vehicle to form a dispersion that has a surface tension at 20° C. of from about 20 dynes/cm to about 60 dynes/cm and a viscosity at 20° C. of from about 3 cP to about 15 cP and a nanoparticle concentration of at least about 5% by weight.
A process for making a metal-polymer nanocomposite which comprises applying a composition comprising substantially non-agglomerated metal nanoparticles which have a polymer adsorbed thereon and a liquid vehicle onto a substrate and thereafter removing the vehicle to leave behind the nanocomposite.
A metal-polymer nanocomposite comprising a substantially uniform mixture of a metal and an organic material wherein the metal and the organic material form substantially uniform inclusions having a size of from about 5 nm to about 60 nm.
A metal-polymer nanocomposite comprising a substantially uniform mixture of a metal and an organic material wherein the metal and the organic material form substantially uniform inclusions and wherein the metal inclusions are physically necked together.
A process for the fabrication of a metallic feature on a substrate, wherein the process comprises forming the feature by printing a composition which comprises substantially non-agglomerated metal nanoparticles which carry a polymer on a surface thereof on a substrate and subjecting the feature to at least one of heat, pressure and radiation.
An ink, comprising:
Dependencies are inferred from the claim text.