After there is prepared a conductive paste which contains fine copper particles having an average particle diameter of 1 to 100 nm, each of the fine copper particles being coated with an azole compound, coarse copper particles having an average particle diameter of 0.3 to 20 μm, a glycol solvent, such as ethylene glycol, and at least one of a polyvinylpyrrolidone (PVP) resin and a polyvinyl butyral (PVB) resin and wherein the total amount of the fine copper particles and the coarse copper particles is 50 to 90% by weight, the weight ratio of the fine copper particles to the coarse copper particles being in the range of from 1:9 to 5:5, the conductive paste thus prepared is applied on a substrate by screen printing to be preliminary-fired by vacuum drying, and then, fired with light irradiation by irradiating with light having a wavelength of 200 to 800 nm at a pulse period of 500 to 2000 μs and a pulse voltage of 1600 to 3800 V to form a conductive film on the substrate.

After there is prepared a conductive paste which contains fine copper particles having an average particle diameter of 1 to 100 nm, each of the fine copper particles being coated with an azole compound, coarse copper particles having an average particle diameter of 0.3 to 20 μm, a glycol solvent, such as ethylene glycol, and at least one of a polyvinylpyrrolidone (PVP) resin and a polyvinyl butyral (PVB) resin and wherein the total amount of the fine copper particles and the coarse copper particles is 50 to 90% by weight, the weight ratio of the fine copper particles to the coarse copper particles being in the range of from 1:9 to 5:5, the conductive paste thus prepared is applied on a substrate by screen printing to be preliminary-fired by vacuum drying, and then, fired with light irradiation by irradiating with light having a wavelength of 200 to 800 nm at a pulse period of 500 to 2000 μs and a pulse voltage of 1600 to 3800 V to form a conductive film on the substrate.

Described herein are compositions, kits, methods, and systems for printing metal three-dimensional objects. In an example, described is a binding fluid composition for three-dimensional printing, the composition comprising: an aqueous liquid vehicle comprising at least one diol; and latex polymer particles dispersed in the aqueous liquid vehicle.

A method for coating pigment particles is provided, the method comprising heating a polymer resin in a carrier fluid to dissolve the polymer resin, suspending in the carrier fluid the pigment particles to be coated; and effecting precipitation of the polymer resin from the carrier fluid, such that a coating of the resin is formed on the pigment particles.

A method for coating pigment particles is provided, the method comprising heating a polymer resin in a carrier fluid to dissolve the polymer resin; suspending in the carrier fluid white pigment particles to be coated; and cooling the carrier fluid at a rate of 2° C./hr or less to effect precipitation of the polymer resin from the carrier fluid such that a coating of the resin is formed on the pigment particles, thereby producing the white liquid electrophotographic ink composition.

The present invention relates to a composition comprising a PTFE powder, a surfactant, a polyalkylsiloxane, a polyalkylarylsiloxane, a fatty acid, a fatty acid salt, an alkyi- or alkyi aryl-fatty acid ester, a phosphate trialkyi or triaryl ester, an alkyi fluorosilicone, a C12-C40 alkane, a vegetable oil and a paraffin wax and a salt, to an aqueous system comprising said composition and to uses thereof.

The present invention relates to a composition comprising a PTFE powder, a surfactant, a polyalkylsiloxane, a polyalkylarylsiloxane, a fatty acid, a fatty acid salt, an alkyi- or alkyi aryl-fatty acid ester, a phosphate trialkyi or triaryl ester, an alkyi fluorosilicone, a C12-C40 alkane, a vegetable oil and a paraffin wax and a salt, to an aqueous system comprising said composition and to uses thereof.

A recording method includes: ejecting aqueous ink to a surface of a recording medium by an ejection head, the aqueous ink containing a colorant, polymer particles having a glass-transition temperature Tg of 35° C. to 65° C., and a solvent containing water and an aqueous organic solvent, the aqueous ink having a viscosity ratio (V35/Vi) of a viscosity V35 that is obtained when the aqueous ink is heated at 35° C. for 30 minutes to an initial viscosity Vi of the aqueous ink being lower than 2.0 and a viscosity ratio (V65/Vi) of a viscosity V65 that is obtained when the aqueous ink is heated at 65° C. for 30 minutes to Vi being 8.0 to 20.0; and drying the aqueous ink ejected to the recording medium. The head temperature Th of the ejection head, the glass-transition temperature Tg, and the drying temperature Td satisfy an expression: Th<Tg<Td.

The disclosure relates to systems, methods and compositions for fabricating additive manufactured electronics having conductive and dielectric constituents comprising voids, using additive manufacturing. Specifically, the disclosure is directed to the fabrication of three-dimensional component having conductive and dielectric constituents comprising voids by using water soluble support ink, capable of undergoing all processing steps for fabricating the dielectric and conductive constituents.

The disclosure relates to systems, methods and compositions for fabricating additive manufactured electronics having conductive and dielectric constituents comprising voids, using additive manufacturing. Specifically, the disclosure is directed to the fabrication of three-dimensional component having conductive and dielectric constituents comprising voids by using water soluble support ink, capable of undergoing all processing steps for fabricating the dielectric and conductive constituents.