Abstract: A liquid material unit capable of applying a liquid material having a high viscosity stably for a long time includes an application needle and a liquid material container. The liquid material container stores the liquid material. The liquid material container has a space that stores the liquid material and a hole that allows the application needle to pass through the space. A wetting and spreading suppressing structure for the liquid material is disposed at the periphery of the hole in the liquid material container.

Abstract: A nozzle ink cartridge includes an ink cartridge main body and a first circuit substrate disposed at the ink cartridge main body. The first circuit substrate is configured with, a nozzle circuit and a first interface circuit. A second circuit substrate is disposed on the ink cartridge main body, and configured with a second interface circuit and a third interface circuit, which are electrically connected and disposed on a same side of the ink cartridge main body. A replaceable ink container is contained in an accommodation portion and configured with a first storage circuit and a fourth interface circuit electrically connected to the first storage circuit and the third interface circuit. The first storage circuit at least stores ink amount information of the ink container. The second circuit substrate is further configured with a switching circuit capable of processing signal transmission between the second and third interface circuits.

Abstract: A printing unit includes: three elongate printheads positioned in a staggered overlapping arrangement for spanning across a media feed path, wherein a first printhead and a second printhead are longitudinally spaced apart and positioned in a row across the media feed path and a third printhead is offset from and overlaps with both the first and second printheads; three wipers for longitudinally wiping respective printheads in a direction perpendicular to a media feed direction, each wiper being parked at one longitudinal end of its respective printhead. One of the wipers, in its parked position, is positioned in a space between the first and second printheads.

Abstract: A recording device includes a transportation path that transports a medium, a recording portion configured to move with respect to the transportation path in a direction intersecting with a recording surface of the medium, a moving mechanism that moves the recording portion, and a motor that causes the recording portion to move, and the moving mechanism includes a first member on which a first rack is formed in a moving direction of the recording portion, a first pinion gear that is engaged with the first rack, a second rack that is provided at a position facing the first rack in the recording portion, formed in the moving direction, and engaged with the first pinion gear, and a second member in which the first pinion gear is rotatably provided that is configured to move in the moving direction by receiving the power of the motor.

Abstract: A recording head includes an ink ejection portion and an ink holding portion. The ink holding portion includes a sheet portion and a holding portion. The sheet portion has an upper end side fixed to the ink ejection portion and a lower end side movable in a direction of coming closer to or separating away from a side surface of the ink ejection portion. The holding portion is located at a lower end portion of the sheet portion on the ink ejection portion side, is disposed to come into contact with or close to the side surface of the ink ejection portion, and is configured to hold an ink in an adjacent region with respect to the ink ejection portion.

Abstract: A nozzle plate includes, on a substrate: at least a base layer; an intermediate layer; and a liquid repellent layer. The base layer contains a silane coupling agent A having reactive functional groups at both terminals and including a hydrocarbon chain and a benzene ring at an intermediate part. The intermediate layer contains an inorganic oxide. The liquid repellent layer contains a fluorine (F)-containing coupling agent B.

Abstract: A liquid ejecting head includes an ejection surface including head chips, and a first-positioning-portion and a second-positioning-portion disposed in a second-direction orthogonal to a first-direction with respect to the ejection surface and positioning a holding member, the liquid ejecting head has a first-edge and a second-edge separated from each other in the first-direction and extending along a third-direction parallel to the ejection surface and inclined with respect to the first-direction and the second-direction, and one end portion and the other end portion forming both end portions in the second-direction, and the first-positioning-portion does not overlap a virtual parallelogram having a first-virtual side contacting the first-edge and extending along the third-direction, a second-virtual side contacting the second-edge and extending along the third-direction, a third-virtual side contacting the one end portion and extending along the first-direction, and a fourth-virtual side contacting the other

Abstract: An inkjet recording apparatus includes a recording head, an ink tank, a supply flow path, a supply pump located in the supply flow path, a collection flow path, a relief flow path connecting a first position in the supply flow path to a second position in the supply flow path, wherein the first position is located at a downstream side of the supply pump in the supply flow path and the second position located at an upstream side of the supply pump in the supply flow path, and a differential pressure regulating valve located in the relief flow path and configured to, in a case where the pressure of the pumped ink in the supply flow path is larger than a predetermined value, open the relief flow path so as to allow ink in the supply flow path to flow from the first position to the second position.

Abstract: The print head includes a nozzle layer with a plurality of nozzles for printing ink onto a target. It further includes ventilation openings including blow openings for feeding a gas to the region between the nozzles and the target as well as suction openings for feeding gas away from this region. This allows maintaining a desired atmosphere at the region in order to better control the printing process.

Abstract: A nozzle structure for discharging printing material onto a substrate is presented. The nozzle structure comprises a tubular member having a distal part that faces the printing plane when in operation and defining an elongated inner cavity along the tubular member for placement a filament printing material. The tubular member comprises light input ports on the proximal part thereof for directing light toward inner surfaces thereof. The tubular member has an elongated tube portion and a distal tip portion at the distal part thereof, configured and operable as a light guide trapping and guiding the input light along the tubular member in a general direction toward the distal part, thereby continuously transferring light field to distal regions of the elongated inner cavity. The distal tip portion is configured to allow the trapped light to escape towards the printing plane, thereby heating a location on the printing plane facing the nozzle.

Abstract: A liquid discharge head includes a channel unit. The channel unit is formed therein with: a plurality of individual channels aligning in a first direction, a common channel extending in the first direction, a supply hole in communication with the common channel, and a damper chamber provided in a position overlapping with the supply hole in a second direction orthogonal to the first direction. The channel unit includes a first plate having a first surface where a recess is formed to constitute the damper chamber, and a second plate having a second surface attached to the first surface via an adhesive. A protrusion is provided on a bottom of such a first part of the recess as overlaps with the supply hole in the second direction.

Abstract: Provided is an inkjet head containing: a substrate having a nozzle hole, and a nozzle plate having a liquid repellent layer on an outermost surface of the substrate on an ink discharge surface side, wherein the nozzle plate has a conductive layer between the substrate and the liquid repellent layer.

Abstract: Examples include a device comprising integrated circuit dies molded into a molded panel. The molded panel has three-dimensional features formed therein, where the three-dimensional features are associated with the integrated circuit dies. To form the three-dimensional features, a feature formation material is deposited, the molded panel is formed, and the feature formation material is removed.

Abstract: A printhead assembly includes: an ink manifold comprised of a first metal; printhead chips mounted on the ink manifold and receiving ink therefrom, each printhead chip having a plurality of bond pads; a PCB mounted on the ink manifold, the PCB having a plurality of contact pads; a plurality of wirebonds interconnecting the bond pads and the contact pads, the wirebonds being comprised of a second metal; an encapsulant material encapsulating the wirebonds, the bond pads and the contact pads; and a voltage source. The ink manifold and the wirebonds are electrically connectable to the voltage source to provide cathodic protection of the wirebonds.

Abstract: Disclosed is a carriage for a direct to garment inkjet printing machine. The machine has a frame having a leading edge, a trailing edge, and a pair of opposed lateral edges. A first row of slots is positioned on the leading edge and a second row of slots is positioned on the trailing edge. The second row of slots is spaced from the first row of slots by a gelling gap. A shelf on the frame supports tanks of white ink and tanks of color ink and a first plurality of tubing connects a tank of white ink positioned on the shelf with a print head in the first row of slots. A second plurality of tubing is for connecting a tank of color ink positioned on the shelf with a print head in the second row of slots. A pair of side heaters attached to opposed lateral edges of the first frame.

Abstract: A printing system includes a substrate support, a printhead assembly positioned facing the substrate support, and an imager. The printhead assembly includes a plurality of dispensing nozzles extending in an ejection direction towards the substrate support and a plurality of marks. The imager is movable relative to the printhead assembly and oriented in a direction opposite to the ejection direction for capturing at least one image including the plurality of marks indicating positions of the plurality of dispensing nozzles in the printhead assembly.

Abstract: A method of printing an image from a printhead module having a plurality of horizontal nozzle rows, the method including the steps of: allocating first dot data for an image line of the image to nozzles of a main row portion of a first nozzle row; allocating second dot data for the image line to nozzles of a dropped row portion of a second nozzle row; and sending the first and second dot data to the printhead module and firing respective droplets. Each nozzle row of the printhead module has a same number of nozzles N; and the first nozzle row and the second nozzle row are non-corresponding nozzle rows, such that a number of nozzles contained in the main portion of the first nozzle row and a number of nozzles contained in the dropped row portion of the second nozzle row is greater or fewer than N nozzles.

Abstract: A head includes an upper surface opposite from an ejection surface; and an electrical coupling portion disposed at a first-end portion of the upper surface in a Y-direction, an outer shape of the upper surface has first and second edges separated from each other in an X-direction, a third-edge disposed at the first-end portion, and a fourth-edge disposed at a second-end portion opposite from the first-end portion in the Y-direction, along a V-direction, and when viewed in a normal direction, the upper surface is not overlapped with an acute-angled portion of a virtual parallelogram having a first-virtual side contacting the first-edge, a second-virtual side contacting the second-edge, a third-virtual side contacting the third-edge, and a fourth-virtual side contacting the fourth-edge, and projects beyond an obtuse-angled portion of the virtual parallelogram in the X-direction.

Abstract: A printing head for inkjet printing comprises: a manifold having a channel for holding material formulation therein; and an array of controllable nozzles fluidly connected to the channel for dispensing the material formulation by inkjet technology. In an embodiment, the array of nozzles is characterized by a pitch that varies along the array. In an embodiment, the nozzles are arranged over a curved line engaging a horizontal plane.

Abstract: An inkjet printing device for multi-color printing includes: multi-color inkjet nozzles that move in the direction perpendicular to the moving direction of the target base printing material and also in the direction parallel to the surface of the target base printing material; plasma ejection ports provided downstream of the multi-color inkjet nozzles in a manner oriented facing the surface of the multiple colored inks printed on the target base printing material; and an electron beam irradiation part located on the downstream side of the inkjet nozzles and plasma ejection ports, in a manner oriented facing the printed surface of the target base printing material.