Abstract: An ink cartridge filled with an ink added with an infrared absorption material with a function of absorbing an infrared ray to distinguish the ink from another ink of a same color, the ink cartridge used in a loaded state where the ink cartridge is loaded into a printing apparatus for performing printing, the ink cartridge includes an ink supplying system including a storage portion for storing the ink, an outlet for supplying the ink to the printing apparatus in the loaded state, and a flow path for guiding the ink from the storage portion to the outlet, a light emitter, a sensor including a light receiver disposed in opposition to the light emitter with the ink supplying system intervened therebetween, the light receiver for receiving transmitted light resulting from transmission of emitted light from the light emitter through the ink supplying system, and an ink cartridge-side terminal electrically connected to the sensor, coming in contact with an apparatus-side terminal provided to the printing apparatus

Abstract: An ink composition includes a metal microparticle, a dispersion medium having water as a main ingredient, a dispersant for dispersing the metal microparticle into the dispersion medium, and a water-soluble polyhydric alcohol that is trivalent to hexavalent and solid under normal conditions, and whose concentration is 5 to 20 weight % relative to a total weight of the ink composition.

Abstract: A liquid droplet ejection apparatus includes an ejection head having an ejection surface with an ejection outlet for ejecting a droplet of a functional liquid, a first container connected to the ejection head via a flow path to form a first space for containing the functional liquid that is to be supplied to the ejection head, a second container for containing the first container to form a second space between the first and the second containers, a pressure regulator for adjusting a pressure of the second space, and a temperature regulator for adjusting a temperature of the functional liquid of the first container, at least a part of the first container being made of a film deformed in accordance with an operation of the pressure regulator.

Abstract: An ink composition includes a metal microparticle, a dispersion medium having water as a main ingredient, a dispersant for dispersing the metal microparticle into the dispersion medium, and a water-soluble polyhydric alcohol that is trivalent to hexavalent and solid under normal conditions, and whose concentration is 5 to 20 weight % relative to a total weight of the ink composition.

Abstract: The process for forming a chemical adsorption film of the present invention includes a hydrophilic treatment step ST1 of making the surface of the material hydrophilic, a treatment step ST2 of adhering an acid or a base onto the surface of the base material which is made hydrophilic, and a film forming step ST3 of contacting the surface of the base material on which an acid or a base is adhered with a chemical adsorbent to form a chemical adsorption film on the surface.

Abstract: An ink cartridge that is filled with ink and, used with the ink cartridge loaded into a printer includes a reservoir that reserves the ink, an outlet through which the ink is supplied to the printer with the ink cartridge loaded, at least one ink supply system that includes a channel that leads the ink from the reservoir to the outlet, and a sensor that detects whether the channel is filled with the ink or gas, an ink cartridge terminal that is electrically coupled to the sensor and makes contact with a printer terminal disposed on the printer upon loading of the ink cartridge. A detection region of the channel where detection is carried out by the sensor is previously filled with gas with the ink cartridge yet to be used. Whether or not the use of the ink cartridge is proper is determined based on information from the sensor.

Abstract: A method for fabricating a bonding pad 45 includes disposing a droplet L including a liquid containing a conductive material on a substrate P by a droplet ejection method and solidifying the disposed droplet L to forms the pad. The bonding pad 45 formed has a cylindrical shape and includes a concave part 47.

Abstract: An electroluminescence device includes a tubular first electrode, an electroluminescence layer formed on an inner surface of the first electrode, and a second electrode formed on an inner surface of the electroluminescence layer. A method for manufacturing the electroluminescence device includes: causing the inner surface of the first electrode to be lyophilic with respect to an electroluminescence layer forming liquid; conducting the electroluminescence layer forming liquid into and out of the inside of the first electrode, thereby forming a liquid film of the electroluminescence layer forming liquid on the inner surface of the first electrode, which inner surface is lyophilic with respect to the electroluminescence layer forming liquid; and forming the electroluminescence layer by drying the liquid film of the electroluminescence layer forming liquid formed on the inner surface of the first electrode.

Abstract: An electroluminescence device includes a tubular first electrode, an electroluminescence layer formed on an inner surface of the first electrode, and a second electrode formed on an inner surface of the electroluminescence layer. A method for manufacturing the electroluminescence device includes: conducting an electroluminescence layer forming liquid into and out of the inside of the first electrode, thereby forming a liquid film of the electroluminescence layer forming liquid on the inner surface of the first electrode; and forming the electroluminescence layer by drying the liquid film of the electroluminescence layer forming liquid formed on the inner surface of the first electrode. This facilitates modification of the size or the shape of the electroluminescence device and thus improves productivity for manufacturing the electroluminescence device.

Abstract: Aspects of the invention can provide a bank forming method capable of forming banks having a good shape with excellent productivity. Banks for partitioning a predetermined area of a base member can be formed on the base member by radiating light onto the base member on which a sublimation layer containing a sublimation material is formed and sublimating the sublimation material.

Abstract: A patterned substrate manufacturing method is for manufacturing a patterned substrate having a plurality of patterns formed by drying liquid droplets containing a pattern forming material. The patterned substrate manufacturing method includes providing a photothermal conversion part that is configured to convert infrared light into heat on an outside perimeter of each of a plurality of pattern forming regions, each of the pattern forming regions corresponding to each of the patterns, arranging the liquid droplets within the pattern forming regions, shining infrared light on the patterned substrate, and drying the liquid droplets by heat resulting from the photothermal conversion by the photothermal conversion parts.

Abstract: A conductor pattern forming ink for forming a conductor pattern on a substrate by a droplet discharge method includes: metal particles; an aqueous dispersion medium in which the metal particles are dispersed; and at least one of a compound expressed by Formula (I) below and alkanolamine. Here, R and R? are respectively one of H and an alkyl group.

Abstract: A conductive pattern forming ink for forming a conductive pattern on a substrate by a droplet discharge method includes: metal particles; an aqueous dispersion medium in which the metal particles are dispersed; xylitol; and a polyglycerol compound having a polyglycerol skeleton. H shown in the following formula (I) is 0.10 to 0.70, and H = OH ? ( A ) Mw ? ( A ) ? X ? ( A ) + OH ? ( B ) Mw ? ( B ) ? X ? ( B ) Formula ? ? ( I ) OH(A) represents an average number of hydroxyl groups in one molecule of the polyglycerol compound, Mw(A) represents a weight-average molecular weight of the polyglycerol compound, X(A) represents a content of the polyglycerol compound in the conductive pattern forming ink in weight percent; and OH(B) represents the number of hydroxyl groups in one molecule of the xylitol, Mw(B) represents a molecular weight of the xylitol, and X(B) represents a content of the xylitol in the conductive pattern forming ink in weight percent.

Abstract: A conductive pattern forming ink for forming a conductive pattern on a substrate by a droplet discharge method includes: metal particles; an aqueous dispersion medium in which the metal particles are dispersed; inositol; and a polyglycerol compound having a polyglycerol skeleton. In the ink, H shown in the following formula (I) is 0.050 to 0.

Abstract: A conductive pattern forming ink for forming a conductive pattern on a substrate by a droplet discharge method includes: metal particles; an aqueous dispersion medium in which the metal particles are dispersed; galactitol; and a polyglycerol compound having a polyglycerol skeleton. In the ink, H shown in the following formula (I) is 0.10 to 0.

Abstract: A conductive pattern forming ink for forming a conductive pattern on a substrate by a droplet discharge method includes: metal particles; an aqueous dispersion medium in which the metal particles are dispersed; mannitol; and a polyglycerol compound having a polyglycerol skeleton. In the ink, H shown in the following formula (I) is 0.10 to 0.

Abstract: In a droplet ejection apparatus for forming a conductive pattern with a conductive pattern formation ink comprised of a water-based dispersion medium and metal particles dispersed in the water-based dispersion medium by an ink jet method, the droplet ejection apparatus includes a droplet ejection head having a reservoir with ink chambers for storing the conductive pattern formation ink and a plurality of nozzles from which droplets of the conductive pattern formation ink are to be ejected by the ink jet method. A filling liquid is used instead of the conductive pattern formation ink for filling the reservoir and the ink chambers to prevent the reservoir and the ink chambers from being dried when the droplet ejection apparatus is not used for a certain period of time. The filing liquid is comprised of the water-based dispersion medium, a sugar alcohol A and a surfactant A. The filling liquid can be easily and reliably replaced with the conductive pattern formation ink.

Abstract: A conductive pattern formation ink which can be stably ejected in the form of liquid droplets and form a conductive pattern having high reliability, a conductive pattern having high reliability, and a wiring substrate provided with the conductive pattern and having high reliability are provided. The conductive pattern formation ink is used for forming a conductive pattern by ejecting the ink in the form of liquid droplets on a surface of a ceramic molded body using a liquid droplet ejecting method, the ceramic molded body being made of a material containing ceramic particles and a binder. The ink contains a water-based dispersion medium, and metal particles dispersed in the water-based dispersion medium, wherein the water-based dispersion medium contains oxygen molecules and nitrogen molecules, and wherein when the water-based dispersion medium is analyzed using a gas chromatography method, a total amount of the oxygen and nitrogen molecules contained in the water-based dispersion medium is 12 ppm or less.

Abstract: A conductive pattern forming ink for forming a conductive pattern on a substrate by a droplet discharge method includes: metal particles; an aqueous dispersion medium in which the metal particles are dispersed; sorbitol; and a polyglycerol compound having a polyglycerol skeleton. In the ink, H shown in the following Formula (I) is 0.20 to 0.

Abstract: A conductive pattern forming ink for forming a conductive pattern on a substrate by a droplet discharge method includes: metal particles; an aqueous dispersion medium in which the metal particles are dispersed; erythritol; and a polyglycerol compound having a polyglycerol skeleton. In the ink, H shown in the following formula (I) is 0.15 to 0.