Abstract: The invention provides an electroconductive paste for use in forming an electrode on a silicon nitride substrate which includes at least two types of copper particles each having a different median particle diameter (d50), a glass frit comprising at least bismuth oxide, silicon oxide, and boron oxide, at least one adhesion promoting additive comprising aluminum oxide, cerium oxide, or combinations thereof, and an organic vehicle. The invention is also directed to an electroconductive paste for use in forming an electrode on an aluminum nitride substrate, which includes at least three types of copper particles each having a different median particle diameter (d50), a glass frit comprising at least bismuth oxide and silicon oxide, and boron oxide, at least one adhesion promoting additive comprising bismuth oxide, zinc oxide, titanium oxide, cerium oxide, or combinations thereof, and an organic vehicle.

Abstract: The invention provides an electroconductive paste comprising metallic particles and an organic vehicle comprising an aldehyde resin and a solvent. The invention also provides an electroconductive paste comprising metallic particles comprising at least two types of metallic particles selected from the group consisting of a first metallic particle having an average particle size d50 of at least about 1 ?m and no more than about 4 ?m, a second metallic particle having a d50 of at least about 8 ?m and no more than about 11.5 ?m, and a third metallic particle having d50 of at least about 5 ?m and no more than about 8 ?m, and an organic vehicle. The invention further provides an article comprising a glass substrate comprising a transparent conductive oxide coating and a conductive electrode formed by applying aforementioned conductive paste on said glass substrate, and a method of producing such an article.

Abstract: The invention provides an electroconductive paste comprising 50-90 wt. % of copper particle, 0.5-10 wt. % of a glass frit, 0.1-5% wt. % of adhesion promoter, which is at least one selected member from the group consisting of cuprous oxide, titanium oxide, zirconium oxide, boron resinate, zirconium resinate, amorphous boron, lithium phosphate, bismuth oxide, aluminum oxide, and zinc oxide, and 5-20 wt. % of an organic vehicle. An article comprising an aluminum nitride substrate and electroconductive paste of the invention is also provided. A method of forming an electroconductive circuit comprising is also provided.

Abstract: The invention provides an electroconductive paste comprising 50-90 wt. % of copper particle, 0.5-10 wt. % of a glass frit, 0.1-5% wt. % of adhesion promoter, which is at least one selected member from the group consisting of cuprous oxide, titanium oxide, zirconium oxide, boron resinate, zirconium resinate, amorphous boron, lithium phosphate, bismuth oxide, aluminum oxide, and zinc oxide, and 5-20 wt. % of an organic vehicle. An article comprising an aluminum nitride substrate and electroconductive paste of the invention is also provided. A method of forming an electroconductive circuit comprising is also provided.

Abstract: The invention provides an electroconductive paste comprising metallic particles and an organic vehicle comprising an aldehyde resin and a solvent. The invention also provides an electroconductive paste comprising metallic particles comprising at least two types of metallic particles selected from the group consisting of a first metallic particle having an average particle size d50 of at least about 1 ?m and no more than about 4 ?m, a second metallic particle having a d50 of at least about 8 ?m and no more than about 11.5 ?m, and a third metallic particle having d50 of at least about 5 ?m and no more than about 8 ?m, and an organic vehicle. The invention further provides an article comprising a glass substrate comprising a transparent conductive oxide coating and a conductive electrode formed by applying aforementioned conductive paste on said glass substrate, and a method of producing such an article.