Abstract: A multi-chip module (MCM) assembly comprising: a graphite substrate comprising a plurality of silicon chips directly attached to the graphite substrate, and a Printed Wiring Board (PWB) attached to the graphite substrate by means of a solvent-resistant adhesive glue and provided with openings surrounding outer profiles of the silicon chips. A printing bar comprising a plurality of the MCM assemblies is also disclosed.

Abstract: A multi-chip module (MCM) assembly comprising: a graphite substrate comprising a plurality of silicon chips directly attached to the graphite substrate, and a Printed Wiring Board (PWB) attached to the graphite substrate by means of a solvent-resistant adhesive glue and provided with openings surrounding outer profiles of the silicon chips. A printing bar comprising a plurality of the MCM assemblies is also disclosed.

Abstract: The present application relates to a method of manufacturing an ink-jet printhead comprising: providing a silicon substrate (10) including active ejecting elements (11); providing a hydraulic structure layer (20) for defining hydraulic circuits configured to enable a guided flow of ink; providing a silicon orifice plate (30) having a plurality of nozzles (31) for ejection of the ink; assembling the silicon substrate (10) with the hydraulic structure layer (20) and the silicon orifice plate (30); wherein providing the silicon orifice plate (30) comprises: providing a silicon wafer (40) having a planar extension delimited by a first surface (41) and a second surface (42) on opposite sides of the silicon wafer (40); performing a thinning step at the second surface (42) so as to remove from the second surface (42) a central portion (43) having a preset height (H), the silicon wafer (40) being formed, following the thinning step, by a base portion (44) having a planar extension and a peripheral portion (45) extend

Abstract: A Liquid, comprising an hydrophobic flavonoid derivative electrochemically non-active, that is capable of restoring its electrochemical activity, the concentration of the flavonoid derivative being 10 ppm by weight or less, and an organic substance in an amount of 90% by weight or more.

Abstract: The present invention relates to markers for liquids that can be used to authenticate the origin and genuineness of a liquid, preferably a bulk liquid such as fuel. For this purpose, the present invention teaches the use of a polymer capable of forming a semiconducting polymer particle (pdot) in the liquid in small amounts. The invention encompasses a liquid comprising a) a polymer that is capable of forming a semiconducting polymer particle (pdot), the concentration of the polymer being 10 ppm by weight or less, and b) an organic substance in an amount of 90% by weight or more. The invention furthermore envisages the use of such a polymer as an authenticating marker in a liquid, preferably a fuel, and a method for authenticating the genuineness and/or origin of a liquid comprising a polymer capable of forming a semiconducting polymer particle (pdot), comprising the steps i. concentrating, isolating and/or extracting the polymer capable of forming a semiconducting polymer particle (pdot); ii.

Abstract: A method of manufacturing an ink jet printhead includes: providing a silicon substrate including active ejecting elements; providing a hydraulic structure layer; providing a silicon orifice plate having a plurality of nozzles for ejection of the ink; and assembling the silicon substrate with the hydraulic structure layer and the silicon orifice plate. Providing the silicon orifice plate includes: providing a silicon wafer having a substantially planar extension delimited by a first and a second surfaces; performing a thinning at the second surface so as to remove a central portion having a preset height; and forming in the silicon wafer a plurality of through holes, each defining a respective nozzle for ejection of the ink.

Abstract: The present application relates to a method of manufacturing an ink-jet printhead comprising: providing a silicon substrate (10) including active ejecting elements (11); providing a hydraulic structure layer (20) for defining hydraulic circuits configured to enable a guided flow of ink; providing a silicon orifice plate (30) having a plurality of nozzles (31) for ejection of the ink; assembling the silicon substrate (10) with the hydraulic structure layer (20) and the silicon orifice plate (30); wherein providing the silicon orifice plate (30) comprises: providing a silicon wafer (40) having a planar extension delimited by a first surface (41) and a second surface (42) on opposite sides of the silicon wafer (40); performing a thinning step at the second surface (42) so as to remove from the second surface (42) a central portion (43) having a preset height (H), the silicon wafer (40) being formed, following the thinning step, by a base portion (44) having a planar extension and a peripheral portion (45) extend

Abstract: The present invention relates to markers for liquids that can be used to authenticate the origin and genuineness of a liquid, preferably a bulk liquid such as fuel. For this purpose, the present invention teaches the use of a polymer capable of forming a semiconducting polymer particle (pdot) in the liquid in small amounts. The invention encompasses a liquid comprising a) a polymer that is capable of forming a semiconducting polymer particle (pdot), the concentration of the polymer being 10 ppm by weight or less, and b) an organic substance in an amount of 90% by weight or more. The invention furthermore envisages the use of such a polymer as an authenticating marker in a liquid, preferably a fuel, and a method for authenticating the genuineness and/or origin of a liquid comprising a polymer capable of forming a semiconducting polymer particle (pdot), comprising the steps i. concentrating, isolating and/or extracting the polymer capable of forming a semiconducting polymer particle (pdot); ii.

Abstract: A Liquid, comprising an hydrophobic flavonoid derivative electrochemically non-active, that is capable of restoring its electrochemical activity, the concentration of the flavonoid derivative being 10 ppm by weight or less, and an organic substance in an amount of 90% by weight or more.

Abstract: A method of manufacturing an ink jet printhead includes: providing a silicon substrate including active ejecting elements; providing a hydraulic structure layer; providing a silicon orifice plate having a plurality of nozzles for ejection of said ink; and assembling the silicon substrate with said hydraulic structure layer and said silicon orifice plate. Providing the silicon orifice plate comprises: providing a silicon wafer having a substantially planar extension delimited by a first and a second surfaces; performing a thinning step at the second surface so as to remove a central portion having a preset height; and forming in the silicon wafer a plurality of through holes, each defining a respective nozzle for ejection of the ink.

Abstract: The present invention relates to an adhesive composition comprising (1) at least one polyol tri(meth)acrylate monomer selected from the group consisting of ditrimethylolpropane triacrylate (DiTMPTTA), tris-(2-hydroxyethyl)-isocyanurate triacrylate (THEICTA), dipentaerythritol triacrylate (DiPETA), ethoxylated trimethylolpropane triacrylate (TMPEOTA), propoxylated trimethylolpropane triacrylate (TMPPOTA), ethoxylated pentaerythritol triacrylate (PETEOIA), propoxylated glyceryl triacrylate (GPTA), pentaerythritol triacrylate (PETA), trimethylolpropane triacrylate (TMPTA) and modified pentaerythritol triacrylate, triethyleneglycol trimethacrylate (TIEGTMA), tetraethyleneglycol trimethacrylate (TTEGTMA), polyethyleneglycol trimethacrylate hexane trimethacrylate (HTTMA) ethoxylated bisphenol A trimethacrylate, and trimethylolpropane trimethacrylate (TMPTMA), (2) at least one polyalkylene glycol mono(meth)acrylate monomer selected from the group consisting of polypropylene glycol monomethacrylate, polyethylene glyc

Abstract: A method of manufacturing an ink jet printhead includes: providing a silicon substrate including active ejecting elements; providing a hydraulic structure layer; providing a silicon orifice plate having a plurality of nozzles for ejection of said ink; and assembling the silicon substrate with said hydraulic structure layer and said silicon orifice plate. Providing the silicon orifice plate comprises: providing a silicon wafer having a substantially planar extension delimited by a first and a second surfaces; performing a thinning step at the second surface so as to remove a central portion having a preset height; and forming in the silicon wafer a plurality of through holes, each defining a respective nozzle for ejection of the ink.

Abstract: A method of manufacturing an ink jet printhead includes: providing a silicon substrate including active ejecting elements; providing a hydraulic structure layer; providing a silicon orifice plate having a plurality of nozzles for ejection of said ink; and assembling the silicon substrate with said hydraulic structure layer and said silicon orifice plate. Providing the silicon orifice plate comprises: providing a silicon wafer having a substantially planar extension delimited by a first and a second surfaces; performing a thinning step at the second surface so as to remove a central portion having a preset height; and forming in the silicon wafer a plurality of through holes, each defining a respective nozzle for ejection of the ink.

Abstract: The present invention relates to an adhesive composition comprising (1) at least one polyol tri(meth)acrylate monomer selected from the group consisting of ditrimethylolpropane triacrylate (DiTMPTTA), tris-(2-hydroxyethyl)-isocyanurate triacrylate (THEICTA) dipentaerythritol triacrylate (DiPETA), ethoxylated trimethylolpropane triacrylate (TMPEOTA), propoxylated trimethylolpropane triacrylate, (TMPPOTA), ethoxylated pentaerythritol triacrylate (PETEOIA), propoxylated glyceryl triacrylate (GPTA), pentaerythritol triacrylate (PETA), trimethylolpropane triacrylate (TMPTA) and modified pentaerythritol triacrylate, triethyleneglycol trimethacrylate (TIEGTMA), tetraethyleneglycol trimethacrylate (TTEGTMA), polyethyleneglycol trimethacrylate hexane trimethacrylate (HTTMA) ethoxylated bisphenol A trimethacrylate, and trimethylolpropane trimethacrylate (TMPTMA), (2) at least one polyalkylene glycol mono(meth)acrylate monomer selected from the group consisting of polypropylene glycol monomethacrylate, polyethylene glyc

Abstract: A method of manufacturing an ink jet printhead includes: providing a silicon substrate including active ejecting elements; providing a hydraulic structure layer; providing a silicon orifice plate having a plurality of nozzles for ejection of said ink; and assembling the silicon substrate with said hydraulic structure layer and said silicon orifice plate. Providing the silicon orifice plate comprises: providing a silicon wafer having a substantially planar extension delimited by a first and a second surfaces; performing a thinning step at the second surface so as to remove a central portion having a preset height; and forming in the silicon wafer a plurality of through holes, each defining a respective nozzle for ejection of the ink.

Abstract: The present invention relates to acrylic adhesive composition comprising a mixture of at least one polyol tri(meth)acrylate monomer and at least one polyalkylene glycol mono(meth)acrylate monomer for assembling elements made of plastic materials, like PMMA or SAN, or inorganic material, like glass or metals, employed for manufacturing of devices for the distribution or containment of biological substances, like proteins, enzymes, antibodies, antigens, DNA, and the like. The present invention also relates to devices for the distribution or containment of biological substances assembled with the above mentioned acrylic adhesive composition, and particularly thermal or piezoelectric ejecting devices, and biochip microarray, as well as to a method for assembling thereof.

Abstract: A method of manufacturing an ink jet printhead includes: providing a silicon substrate including active ejecting elements; providing a hydraulic structure layer; providing a silicon orifice plate having a plurality of nozzles for ejection of said ink; and assembling the silicon substrate with said hydraulic structure layer and said silicon orifice plate. Providing the silicon orifice plate comprises: providing a silicon wafer having a substantially planar extension delimited by a first and a second surfaces; performing a thinning step at the second surface so as to remove a central portion having a preset height; and forming in the silicon wafer a plurality of through holes, each defining a respective nozzle for ejection of the ink.

Abstract: A process for manufacturing an inkjet print head comprising the steps of providing a print head wafer comprising a plurality of print head dice coated with a barrier layer, each print head die comprising a plurality of actuators and interconnections, the barrier layer comprising a plurality of openings in correspondence with the plurality of actuators and interconnections, providing a debondable SOI wafer comprising a handle layer, a buried layer, and a device layer, forming a protective layer on the surface of the device layer, bonding the device layer to the barrier layer, debonding the handle layer from the SOI wafer, etching the device layer so as to realize a plurality of openings in correspondence with the plurality of actuators and interconnections, and removing the protective layer in correspondence of the plurality of openings.

Abstract: An ink jet printhead, made of a silicon substrate and a plurality of metallic and dielectric layers deposited on said substrate. A plurality of chambers for ejection of ink droplets and a plurality of corresponding feeding ducts, connected to the chambers, are produced in a structural layer made of non-photosensitive epoxy or polyamide resin. The chambers and said ducts are delimited by at least one upper wall, the upper wall communicating with at least one nozzle for ejection of the ink droplets. The upper wall and an inner wall of the nozzle are coated with at least one metallic coating layer, suitable for increasing the resistance of the walls to chemically aggressive liquids, in contact with the walls.

Abstract: The present invention relates to acrylic adhesive composition comprising a mixture of at least one polyol tri(meth)acrylate monomer and at least one polyalkylene glycol mono(meth)acrylate monomer for assembling elements made of plastic materials, like PMMA or SAN, or inorganic material, like glass or metals, employed for manufacturing of devices for the distribution or containment of biological substances, like proteins, enzymes, antibodies, antigens, DNA, and the like. The present invention also relates to devices for the distribution or containment of biological substances assembled with the above mentioned acrylic adhesive composition, and particularly thermal or piezoelectric ejecting devices, and biochip microarray, as well as to a method for assembling thereof.