Abstract: An ink head includes: a common ink chamber; a first nozzle including a first nozzle hole, a first flow channel and the common ink chamber, and a first actuator; and a second nozzle including a second nozzle hole, a second flow channel and the common ink chamber, and a second actuator, the second nozzle being adjacent to the first nozzle in a first direction. The first flow channel is linked to the common ink chamber via a first opening. The second flow channel is linked to the common ink chamber via a second opening. A center position of the first opening is shifted from a center position of the second opening in at least a third direction, the third direction crossing the first direction when viewed along a second direction, the second direction being from the common ink chamber toward the first flow channel.

Abstract: An ink head includes: a common ink chamber; a first nozzle including a first nozzle hole, a first flow channel and the common ink chamber, and a first actuator; and a second nozzle including a second nozzle hole, a second flow channel and the common ink chamber, and a second actuator, the second nozzle being adjacent to the first nozzle in a first direction. The first flow channel is linked to the common ink chamber via a first opening. The second flow channel is linked to the common ink chamber via a second opening. A center position of the first opening is shifted from a center position of the second opening in at least a third direction, the third direction crossing the first direction when viewed along a second direction, the second direction being from the common ink chamber toward the first flow channel.

Abstract: According to one embodiment, a nozzle head includes a nozzle plate, a piezoelectric element, an actuator plate, a fixing part, and a conductive part. The nozzle plate includes a plurality of nozzle holes. The piezoelectric element includes a plurality of first electrodes and a plurality of second electrodes provided alternately and a piezoelectric part provided between the plurality of first electrodes and the plurality of second electrodes. The piezoelectric element is provided for each of the plurality of nozzle holes. The actuator plate is provided on opposite side of the nozzle plate from a side to which the plurality of nozzle holes are opened. The fixing part is insulative and provided between each of a plurality of the piezoelectric elements and the actuator plate. The conductive part is conductive and provided between each of a plurality of the piezoelectric elements and the actuator plate.

Abstract: According to one embodiment, a nozzle head includes a nozzle plate, a piezoelectric element, an actuator plate, a fixing part, and a conductive part. The nozzle plate includes a plurality of nozzle holes. The piezoelectric element includes a plurality of first electrodes and a plurality of second electrodes provided alternately and a piezoelectric part provided between the plurality of first electrodes and the plurality of second electrodes. The piezoelectric element is provided for each of the plurality of nozzle holes. The actuator plate is provided on opposite side of the nozzle plate from a side to which the plurality of nozzle holes are opened. The fixing part is insulative and provided between each of a plurality of the piezoelectric elements and the actuator plate. The conductive part is conductive and provided between each of a plurality of the piezoelectric elements and the actuator plate.

Abstract: A three-dimensional shaping method manufactures a three-dimensional shaped object and includes repeatedly performing a process of applying, to material particles each coated with a binder, a reaction solution that dissolves therein the binder or causes a binding reaction with the binder and a process of depositing the material particles. The binders bind with each other by electrostatic force.

Abstract: A three-dimensional manufacturing method includes: forming and adding a layer of secondary particles to manufacture a three-dimensional object, the secondary particles obtained by granulating primary particles; and heating the three-dimensional object to produce a sintered compact.

Abstract: A method of manufacturing a layered object includes: a first process of supplying, onto a stage, a first slurry layer that includes a powder having a volume concentration of not smaller than 10% and not larger than 15% and a solvent; a second process of irradiating a part of the first slurry layer with an energy beam to form a part of the layered object; a third process of supplying a second slurry layer onto the part of the layered object; and a fourth process of irradiating a part of the second slurry layer with an energy beam to form another part of the layered object. The third process and the fourth process are repeated more than once.

Abstract: A liquid circulation unit adapted to be provided in a liquid circulation apparatus to circulate a liquid, including, a first liquid storage unit to store the liquid, a sensor to detect a fluid level of the liquid stored in the first liquid storage unit, a liquid sending pump to send the liquid to an outside from the first liquid storage unit based on a detection result of the sensor, a pipe arrangement for deaeration to remove a dissolved gas in the liquid sent from the liquid sending pump, a filter to remove an impurity in the liquid sent from the liquid sending pump, a diaphragm valve which opens when the liquid is sent to the outside from the first liquid storage unit, and a cock valve which opens when the liquid is sent to the first liquid storage unit from the outside, wherein the liquid circulation unit is adapted to be provided so as to be detachable to or from the liquid circulation apparatus.

Abstract: According to one embodiment, a film-forming apparatus includes a coating unit which introduces a liquid material to a substrate with a groove and fills the liquid material into the groove, thereby forming a liquid layer, a drying unit which solidifies the liquid layer by drying, and a vapor supply unit which applies a vapor to a surface of the liquid layer during the drying

Abstract: According to one embodiment, a coating apparatus includes, a stage which supports an object of coating, and a coating head integrally includes a material discharge unit, which is movable relative to the stage and configured to discharge a coating material to the object of coating on the stage, and a gas injection unit, which, along with the material discharge unit, is movable relative to the stage and configured to inject a gas to the object of coating on the stage.

Abstract: Provided is a droplet jetting applicator including: a droplet jetting head configured to jet liquid supplied from a liquid storage unit; a liquid supply unit configured to supply the liquid from the liquid storage unit to the droplet jetting head through a liquid supply channel; a first buffer liquid reservoir positioned closer to the droplet jetting head than the liquid supply unit in the liquid supply channel, and formed so that the inflow liquid drops thereinto; a liquid return unit configured to return the liquid from the droplet jetting head to one of the liquid storage unit and the first buffer liquid reservoir through a liquid return channel; and a second buffer liquid reservoir positioned closer to the droplet jetting head than the liquid return unit in the liquid return channel, and formed so that the inflow liquid drops thereinto.

Abstract: A method for manufacturing a product includes: filling, with a dispersion medium, an internal flow path and a liquid chamber of a droplet-jetting head for jetting droplets of liquid filled in the liquid chamber through the internal flow path, the internal flow path and the liquid chamber communicating with each other; filling the internal flow path and the liquid chamber of the droplet-jetting head with a dispersion liquid containing particles in place of the dispersion medium filled in the internal flow path and the liquid chamber; and applying the dispersion liquid droplets onto an object to be coated from the droplet-jetting head filled with the dispersion liquid.

Abstract: In one embodiment, droplets of a spacer dispersed solution are provided on portions of a surface of a substrate which is provided with electrode films with a space provided between the electrode films. The portions are above the space between the electrode films. The spacer dispersed solution is obtained by dispersing spacer particles in a solvent produced by mixing first and second solvents at least. The second solvent has a higher boiling point and a larger surface tension than those of the first solvent. The substrate is heated at a temperature lower than the boiling point of the first solvent so that the first solvent evaporates. The substrate is heated at a temperature higher than the boiling point of the first solvent and lower than the boiling point of the second solvent so that the second solvent evaporates so as to leave the spacer particles on the substrate.

Abstract: A droplet jetting applicator includes a coating unit jetting and coating droplets to a to-be-coated object; a storage space storing the to-be-coated object coated with the droplets; an exhaust section exhausting gas in the storage space; an adjustment unit adjusting an outlet flow of the gas exhausted by the exhaust section from the storage space; and a control section controlling the adjustment unit so that the outlet flow is changed in a stepwise manner.

Abstract: A liquid circulation unit adapted to be provided in a liquid circulation apparatus to circulate a liquid, including, a first liquid storage unit to store the liquid, a sensor to detect a fluid level of the liquid stored in the first liquid storage unit, a liquid sending pump to send the liquid to an outside from the first liquid storage unit based on a detection result of the sensor, a pipe arrangement for deaeration to remove a dissolved gas in the liquid sent from the liquid sending pump, a filter to remove an impurity in the liquid sent from the liquid sending pump, a diaphragm valve which opens when the liquid is sent to the outside from the first liquid storage unit, and a cock valve which opens when the liquid is sent to the first liquid storage unit from the outside, wherein the liquid circulation unit is adapted to be provided so as to be detachable to or from the liquid circulation apparatus.

Abstract: A method for manufacturing a product includes: filling, with a dispersion medium, an internal flow path and a liquid chamber of a droplet-jetting head for jetting droplets of liquid filled in the liquid chamber through the internal flow path, the internal flow path and the liquid chamber communicating with each other; filling the internal flow path and the liquid chamber of the droplet-jetting head with a dispersion liquid containing particles in place of the dispersion medium filled in the internal flow path and the liquid chamber; and applying the dispersion liquid droplets onto an object to be coated from the droplet-jetting head filled with the dispersion liquid.

Abstract: Provided is a droplet jetting applicator including: a droplet jetting head configured to jet liquid supplied from a liquid storage unit; a liquid supply unit configured to supply the liquid from the liquid storage unit to the droplet jetting head through a liquid supply channel; a first buffer liquid reservoir positioned closer to the droplet jetting head than the liquid supply unit in the liquid supply channel, and formed so that the inflow liquid drops thereinto; a liquid return unit configured to return the liquid from the droplet jetting head to one of the liquid storage unit and the first buffer liquid reservoir through a liquid return channel; and a second buffer liquid reservoir positioned closer to the droplet jetting head than the liquid return unit in the liquid return channel, and formed so that the inflow liquid drops thereinto.

Abstract: A droplet jetting applicator includes a coating unit jetting and coating droplets to a to-be-coated object; a storage space storing the to-be-coated object coated with the droplets; an exhaust section exhausting gas in the storage space; an adjustment unit adjusting an outlet flow of the gas exhausted by the exhaust section from the storage space; and a control section controlling the adjustment unit so that the outlet flow is changed in a stepwise manner.

Abstract: Liquid-drops of a coating liquid, which contain a plurality of solvents having different boiling points, are jet coated onto a surface of a material to be coated. After that, the coating liquid coated on the surface of the coated material are heated while sequentially increasing a heating temperature according to each boiling point temperature of the plurality of solvents in the coating liquid, and are dried.