Abstract: An inkjet printhead includes: a support structure having a plurality of printhead chips mounted thereto; and a shield plate bonded to the support structure, the shield plate having a slot aligned with the printhead chips, the slot having a perimeter edge. A sealant is disposed on all exposed portions of the support structure adjacent the perimeter edge of each slot.

Abstract: A method for color mapping is disclosed based on obtaining a measurement of one or more characteristics of an imaging system. A set of color mappings are provided and the color mapping is selected based on the measurement. Each of the color mappings enables a mapping from a first color space to Neugebauer Primary area coverage vector space. A method for generating a color mapping is disclosed.

Abstract: Herein described is a machine (100) for the ink-jet printing of three-dimensional objects (A), comprising: a plurality of spindles individually suitable to carry and drive an object (A) to be printed in rotation around a pre-set rotational axis of the spindle, and a first support and displacement system suitable to displace the spindles in succession along a pre-set loop path, stopping them one after the other in a plurality of operating stations; wherein said operating stations comprise: at least one input station (150) wherein the spindle receives an object (A) to be printed, a plurality of printing stations wherein the object (A) is ink-jet printed, and at least one output station wherein the printed object (A) is removed from the spindle; wherein each printing station comprises: a printing unit suitable for the ink-jet printing of the object (A) carried by the spindle found in the printing station, and a second support and displacement system suitable to vary the relative position of said printing unit wi

Abstract: Printheads for a jetting apparatus. In one embodiment, a printhead includes inlet ports each configured to receive one of four or more types of print fluids. The printhead further includes a plurality of nozzles arranged in one or two nozzle rows, where each of the nozzles is fluidly coupled to one of the inlet ports. In groupings of four or more adjacent nozzles of the plurality, the adjacent nozzles are each configured to jet a different one of the types of print fluids.

Abstract: A liquid discharge apparatus includes a liquid discharger, a curing device, a multi-scanning device, and processing circuitry. The multi-scanning device causes the discharger to relatively scan a non-permeable recording medium multiple times in each of two intersecting directions to form an image that includes pixels with different discharge amounts of an active energy ray curable liquid in a region of the medium. The circuitry generates thinned image data for forming the image for each relative scanning in a first direction, using a mask in which pixels allowing image formation are arrayed. The circuitry generates the thinned data such that a spatial frequency of an array of the pixels allowing image formation in the mask for a first discharge amount is uniform in relative scanning in a second direction and the spatial frequency for a second discharge amount decreases toward a downstream side in the relative scanning in the second direction.

Abstract: A direct inkjet printing system for fabricating a part by an additive manufacturing process includes an ink delivery system operative to circulate the ink, a printhead associated with the ink delivery system, the printhead operative to dispense ink from the ink delivery system through a plurality of nozzles and based on a defined pattern, a building table for receiving the dispensed ink one layer at a time based on the defined pattern, wherein the part is formed from a plurality of layers of the ink dispensed from the printhead and a drying station operative to perform a drying process on layers of the ink dispensed from the printhead on a per layer basis.

Abstract: A printhead module includes a plurality of rows of printhead nozzles, at least some of the rows including at least one displaced row portion, the displacement of the row portion including a component in a direction normal to that of a pagewidth to be printed, wherein the displaced row portions of at least some of the rows are different in length than the displaced row portions of at least some of the other rows.

Abstract: A liquid discharge head includes a plurality of nozzles arrayed in a nozzle array direction to discharge a liquid; a plurality of pressure chambers arrayed in the nozzle array direction and communicating with the plurality of nozzles, respectively; and a diaphragm forming a displaceable wall of each of the plurality of pressure chambers. The diaphragm includes a concave portion outside an arrangement region of the plurality of pressure chambers in which the plurality of pressure chambers is arrayed in the nozzle array direction.

Abstract: A liquid ejection head is equipped with a substrate having therethrough a supply path to be supplied with a liquid, a top plate placed opposite to the substrate, having an ejection orifice for ejecting the liquid and constituting, between the top plate and the substrate, a flow path communicated with the supply path and the ejection orifice and a columnar member extending from the top plate to the inside of the supply path through the flow path. An end surface of the columnar member positioned in the supply path is tilted relative to the top plate in a direction away from the ejection orifice.

Abstract: Methods, systems, and apparatus for fabricating a circuit board. The method includes fabricating, using an additive manufacturing device, a trace layer, a sacrificial layer, a rail layer and a lid. The method includes placing the sacrificial layer on the trace layer such that the raised traces protrude through corresponding openings of the sacrificial layer. The method includes depositing a conductive material on top of the sacrificial layer and the plurality of traces. The method includes removing the sacrificial layer from the trace layer and placing the rail layer on the trace layer such that the raised traces align with the corresponding openings of the rail layer. The method includes connecting one or more electrical components and melting a sealing sheet on top of the rail layer and the electrical components to reinforce connections and to provide protection. The method includes placing the lid on top of the sealing sheet.

Abstract: A method for alternately operating an inkjet printing machine applying a plurality of inks to a printing material in accordance with a print image, includes conveying the printing material at a conveying speed. A switch is made between the following two modes, a 1st mode of printing an n-color first print job at a first conveying speed and at a print resolution using n inks, i.e. using black ink and n?1 different chromatic inks; and a 2nd mode of printing a reduced-color second print job at a second conveying speed greater than the first conveying speed and at the same print resolution using the n inks. The printing speed and thus the number of prints produced per unit of time in a machine can therefore advantageously be increased.

Abstract: An apparatus and method for a dispenser with nozzles configured to eject lines of droplets of formable material onto a substrate in response to ejection signals. The fluid dispenser dispenses a first line of ejected droplets of formable material onto a first location on the substrate. A line camera generates camera signals that are representative of the first line of ejected droplets. The camera signals are analyzed to identify malfunctioning nozzles. The fluid dispenser dispenses a second line of ejected droplets of formable material onto a second location on the substrate that compensates for the one or more malfunctioning nozzles.

Abstract: A printing system includes: an ink supply; a feed line coupled to the ink supply; a return line coupled to the ink supply; and a plurality of printhead modules each having an inlet port fluidically coupled to the feed line and an outlet port fluidically coupled to the return line. Each print module has a bypass line fluidically coupling the feed line to the return line. The bypass line is open for both priming and printing operations.

Abstract: Ink containing metal particles is ejected from a print head, in accordance with a plurality of print ratios corresponding to a plurality of scans of the print head relative to a unit region of a print medium. At least one of the plurality of print ratios is set as a high print ratio which is higher than others. A height of the high print ratio, in a case where a scan corresponding to the high print ratio is a Lth (L: integral number) scan in the plurality of print scans, is higher than a height of the high print ratio, in a case where a scan corresponding to the high print ratio is a Nth (N>L; N: integral number) scan in the plurality of print scans.

Abstract: A printing apparatus configured to print an image by discharging inks of different colors from a printing head onto a printing medium includes an edge extractor that extracts an edge pixel constituting a contour of the image from image data and a dot data generator that generates dot data indicating the recording state of dots corresponding to the image data.

Abstract: An image forming apparatus includes a carriage which is movably provided in a main scanning direction, a sub-carriage which is movably supported in a sub-scanning direction substantially orthogonal to the main scanning direction with respect to the carriage and performs recording on a recording medium from a held recording head, and a biasing member which is attached to a locking portion of the carriage and a locking portion of the sub-carriage and applies a force to the sub-carriage with respect to the carriage in three directions of the main scanning direction (first direction), the sub-scanning direction (second direction), and a vertical direction (third direction) substantially orthogonal to the main scanning direction and the sub-scanning direction.

Abstract: Broadly speaking, embodiments of the present technique provide apparatus and methods to print an image using masking techniques that control the operation of a droplet deposition head having at least one faulty nozzle. More specifically, an image is analysed to determine a pixel colour density for each pixel of the image. A masking technique is provided which may distribute the droplets (or sub-droplets) that a faulty nozzle is assigned to print among one or more neighbouring, functioning nozzles.

Abstract: Quantization is performed on multi-valued data corresponding to a non-overlap recording area and one of recording heads on the basis of a dither pattern and multi-valued data corresponding to the non-overlap recording area and the other one of the recording heads, and also arrangements of thresholds for the dither patterns used between the scanning operations are varied.

Abstract: An inkjet print head includes an ink supply substrate having an ink supply channel in fluid communication with an ink supply connector channel for receiving ink from an ink reservoir and in fluid communication with an ink return connector channel for supplying ink to the ink reservoir; a droplet forming unit arranged on the ink supply substrate and having an ink inlet surface, in which ink inlet surface an ink inlet port for receiving ink from the ink supply substrate is arranged; a manifold chamber formed over the ink inlet surface of the droplet forming unit; and a filter arranged between the ink supply substrate and droplet forming unit. The filter has a first filter surface at an upstream side and a second filter surface at a downstream side. Filter holes extend from the first filter surface to the second filter surface. The first filter surface forms a wall of the ink supply channel.

Abstract: A mounting device for a print head and a printing system allows print heads to be easily changed and easily and reliably adjusted. The mounting device includes a rigid mount and a frame for receiving a print head. The frame is releasably fixed to the rigid mount and includes an adjustment device for adjusting the print head relative to the rigid mount. The adjustment device of the frame includes two solid body joints and two actuators for adjusting the print head in two degrees of freedom, namely in a sliding movement along the rigid mount and a rotary movement about the vertical axis.

Abstract: In one example, a shroud to protect a group of printheads in a printhead assembly includes a body having a first notched end where an upstream part of the body extends past a downstream part of the body and a second notched end opposite the first end where a downstream part of the body extends past an upstream part of the body. A first group of openings in the body is aligned across the upstream part of the body and a second group of openings in the body is aligned across the downstream part of the body. Each opening is to surround an exposed part of a printhead when the shroud is installed on the printhead assembly.

Abstract: A control device is for controlling a printer. The printer is configured to print by alternatively performing partial printing and sheet conveying. The printer includes a conveyer and a print head. The control device performs: acquiring an object image data representing an object image and additional image data representing an additional image added to the object image, where the additional image has a first length in an area; determining a position of the object image and a position of the additional image in the arrangement area such that the first length of the additional image at the position is minimized, where the first length is greater than or equal to zero.

Abstract: A head unit includes heads arranged in a body. Each head includes a nozzle row arranged along a first direction. The heads are arranged along a second direction intersecting with the first direction. Two or more heads that include a nozzle row corresponding to a first color, are provided in each of a first region and a second region. A color corresponding to the nozzle row at an nth position from a first side is the same as a color corresponding to the nozzle row at an nth position from a second side, n being a positive integer, the first side being one side of the body in the second direction and the second side being another side of the body in the second direction.

Abstract: A recording-head position adjustment mechanism includes a beam to suspend a recording head that discharges droplets so that the recording head is drawable out in a predetermined direction; a first supporter disposed at one end of the beam in the predetermined direction and having a support shaft to support the beam; a second supporter disposed at another end of the beam in the predetermined direction with the beam interposed between the first supporter and the second supporter. The second supporter is attached with an adjuster via which the second supporter supports the beam. The adjuster includes a coarse-adjustment shaft member and a fine-adjustment shaft member that are manually rotatable independent of each other. The coarse-adjustment shaft member coarsely adjusts a rotation angle of the beam at which the beam rotates around the support shaft by manual rotation. The fine-adjustment shaft member finely adjusts the rotation angle of the beam.

Abstract: In one example, a printhead assembly module includes an upstream row of printheads and a downstream row of printheads and a flow structure to distribute printing fluids to the printheads. The upstream and downstream rows of printheads are offset from one another such that a printhead in the upstream row extends past the downstream row at one end of the module and a printhead in the downstream row extends past the upstream row at the other end of the module. The flow structure includes a plate, slots in the plate to carry printing fluid to the printheads, and corresponding channels in the plate to distribute printing fluid to the slots. The slots and channels are arranged on the plate such that the arrangement is the same when rotated 180° about an axis of symmetry located at the geometric center of the arrangement.

Abstract: A flow path structure includes: a substrate that includes a first surface and a second surface on a side opposite to the first surface; a supply port formed on the first surface; a plurality of discharge ports formed on the second surface; grooves that are formed on the first surface so as to extend in an X direction and communicate with the supply ports and with the plurality of discharge ports via through-holes formed on the substrate; and a sealing portion that is disposed on the first surface and seals each groove.

Abstract: A method for manufacturing an organic EL display panel, including: forming first electrodes over a substrate; defining, above the substrate, pixel formation regions lining up in a row direction and a column direction, by forming banks over the substrate; applying ink to each pixel formation region by causing a plurality of nozzles lining up in a straight line to discharge the ink to the pixel formation regions while displacing the nozzles relative to the substrate in a scanning direction; drying the ink to form functional layers in the pixel formation regions; and forming a second electrode at a position covering the pixel formation regions. In the application of ink, an angle ? between the scanning direction and the row direction is set to more than 0° and less than 90° and each nozzle applies the ink across a plurality of rows of the pixel formation regions.

Abstract: According to an embodiment, an ink jet head includes a pair of actuator plates, a return plate, and a flow passage plate. The pair of actuator plates are disposed to face each other in a Y-direction. In the actuator plate, a plurality of channels which extend in a Z-direction are arranged at a distance in an X-direction. The return plate is disposed on an opening end side of the channels in the pair of actuator plates. A circulation passage which communicates with the channels is formed in the return plate. The flow passage plate is disposed between the pair of actuator plates. An inlet flow passage into which an ink flows and an outlet flow passage which communicates with the circulation passage are arranged in the Z-direction.

Abstract: A print element substrate and a liquid ejection head capable of suppressing degradation of a print quality caused by a white stripe/black stripe etc., is actualized without using a high degree of microfabrication technology. As a result of asymmetric deformation by swelling in a direction of relative movement to a print medium, print elements having different liquid droplet ejection directions are made to coexist and arrayed for that purpose.

Abstract: In some examples, a print cartridge comprises a printhead die that includes a die sliver molded into a molding. The die sliver includes a front surface exposed outside the molding to dispense fluid, and a back surface exposed outside the molding and flush with the molding to receive fluid. Edges of the die sliver contact the molding to form a joint between the die sliver and the molding.

Abstract: There are provided a head chip, a liquid jet head, and a liquid jet recording device capable of enhancing the reliability. The head chip according to an embodiment of the disclosure includes a first plate having a plurality of pressure chambers adapted to apply pressure to a liquid, a second plate having a plurality of nozzle holes adapted to jet the liquid in response to application of the pressure, and a third plate disposed between the first and second plates, and provided with a plurality of through holes individually communicated with the plurality of pressure chambers and the plurality of nozzle holes, respectively. In the through hole, a second opening region opposed to the second plate is larger than a first opening region opposed to the first plate.

Abstract: An ink jet recording method capable of recording a high-quality image in which occurrence of fine unevenness is decreased. The ink jet recording method includes recording an image by ejecting ink from a recording head including an ejection orifice for ejecting the ink, an ejection element generating energy for ejecting the ink, and first and second flow paths that communicate between the ejection orifice and the ejection element and in which the ink flows. The ink jet recording method includes an ejection step of ejecting the ink from the ejection orifice, and a flow step of flowing the ink from the first flow path to the second flow path separately from the ejection step. The ink is an aqueous ink having a dynamic surface tension of 35 mN/m or more to 48 mN/m or less at 10 milliseconds.

Abstract: A liquid ejecting head (recording head) includes a structure (flow path member) having a plurality of stacked plates (a nozzle plate, a flow path plate, and a diaphragm) in which end surfaces at both sides in one direction are aligned. At least two plates of the plates (the nozzle plate, the flow path plate, and the diaphragm) have different coefficients of linear expansion in the one direction, and holding members are fixed to the end surfaces of the structure (flow path member) at both sides in the one direction, the holding members having stiffness higher than stiffness of a plate having the highest coefficient of linear expansion in the one direction among the plates (the nozzle plate, the flow path plate, and the diaphragm).

Abstract: A liquid ejecting apparatus RIM which ejects liquid onto a medium includes a carriage which includes a control substrate which configures at least a part of a control unit which controls driving of the entire liquid ejecting apparatus, a plurality of ejecting units which eject the liquid, a plurality of driving substrates which are connected to the control substrate, connected to the plurality of ejecting units in one-to-one correspondence, and drives the ejecting unit, an ejecting unit-driving substrate accommodating unit which accommodates the ejecting unit and the driving substrate, and a control substrate accommodating unit which accommodates the control substrate, in which the plurality of driving substrates are connected to the control substrate.

Abstract: A liquid discharging apparatus includes: a liquid discharging head having nozzles forming a nozzle row along a first direction, and having a nozzle surface in which the nozzles are formed; and a relative movement device configured to relatively move a recording medium and the liquid discharging head in a second direction orthogonal to the first direction. The nozzle surface is formed with first recesses arranged on both sides of the nozzle row in the second direction, and forming two first recess rows each of which is along the nozzle row. The first recesses are separated from each other in the first direction by partition walls, respectively; and a length of an opening of each of the first recesses in the first direction is longer than a length of an end surface of each of the partition walls in the first direction.

Abstract: In one example, a molded printhead includes a printhead die in a molding having a channel therein through which fluid may pass directly to a back part of the die. The front part of the die is exposed outside the molding surrounding the die. Electrical connections are made between terminals at the front part of the die and contacts to connect to circuitry external to the printhead.

Abstract: The disclosure discloses a printed-matter producing device including a cutting device, and a controller. The cutting device is disposed downstream of a thermal head at a predetermined separation distance. The controller is configured to execute a coordination control process, a data acquisition process, and a data shift process. In the coordination control process, a feeder, the thermal head, and the cutting device are controlled in coordination with each other to form a print while feeding a print-receiving medium, to stop the feeding after feeding by a first feeding distance corresponding to the separation distance and to execute a cutting process, and to subsequently resume the feeding to produce a printed matter. In the data shift process, a facing position on the print data corresponding to a position at which the thermal head faces the print-receiving medium is shifted.

Abstract: A method of printing an image using a printing system having first and second overlapping printhead segments. The method includes the steps of: (i) identifying a strip of the image to be printed in an overlap region of the first and second printhead segments; (ii) identifying a foreground image and a background image for image content contained in the strip; (iii) determining a seam in the foreground image; (iv) printing the foreground image using only nozzles from the first printhead segment at one side of the seam and only nozzles from the second printhead segment at the other side of the seam; and (v) printing the background image using nozzles from both the first and second printhead segments across the overlap region.

Abstract: An inkjet printer includes a table for a recording medium, an injection head including nozzles arrayed in a first direction, the injection head injecting ink toward the recording medium, a movement mechanism moving, in the first direction, one of the table and the injection head with respect to the other of the table and the injection head, and a controller communicably connected with the injection head and the movement mechanism, the controller driving the injection head and the movement mechanism. The controller includes a printing controller printing an image by using portion of the plurality of nozzles, the portion being selected based on a nozzle check to determine if any of the nozzles has an injection defect.

Abstract: An apparatus includes a reservoir and a printhead. The printhead includes a support structure including a deformable portion defining at least a top surface of a pumping chamber, a flow path extending from the reservoir to the pumping chamber to transfer fluid from the reservoir to the pumping chamber, and an actuator disposed on the deformable portion of the support structure. A trench is defined in a top surface of the actuator. Application of a voltage to the actuator causes the actuator to deform along the trench, thereby causing deformation of the deformable portion of the support structure to eject a drop of fluid from the pumping chamber.

Abstract: Provided is a print bar. The print bar comprises a reference element to align the print bar with a mounting structure of a printer. The print bar further comprises a flat elongate sheet metal portion with constant height whose length is larger than its width and whose width is larger than its height. Moreover, the print bar comprises a plurality of plastic members detachably mounted to a mounting surface of the flat elongate sheet metal portion. The plurality of plastic members is spaced apart from each other in the length direction.

Abstract: The methods and apparatuses relate to digitally printing a substrate using first and second printheads. The first printhead includes a first printhead width and the second printhead includes a second printhead width. The first printhead overlaps with the second printhead such that the first printhead width overlaps with the second printhead width in a cross direction. The overlapping first and second printheads form a first print zone, an overlapping print zone, and a second print zone. The first printhead may deposit droplets onto the substrate in the first print zone and/or the overlapping zone. The second printhead may deposit droplets onto the substrate in the overlapping print zone and/or the second print zone. The droplets deposited in the overlapping print zone may unite to illustrate multiple colors and/or may remain ununited. By using overlapping printheads, various colors may be illustrated and the width of the substrate may be printed on.

Abstract: A method of printing an image using a printing system having first and second overlapping printhead segments. The method includes the steps of: (i) identifying a strip of the image to be printed in an overlap region of the first and second printhead segments; (ii) determining a continuous seam in the strip based on a cost function, the cost function including a parameter selected from the group consisting of: (a) minimizing a density of printed ink along the seam; and (b) maximizing a luminance along the seam; and (iii) printing the image using the first and second printhead segments, the printing including stitching the first and second printhead segments across the seam. The strip contains variable image content and the seam has a varying position within the strip.

Abstract: A controller controls printing heads to print a page information mark with black ink to perform line flushing. The printing heads each have a plurality of inkjet nozzles for discharging ink being disposed in parallel in a width direction of web paper. Upon printing the mark, when an overlap region is present in which a mark printable region overlaps a line flushing region with ink other than the black ink, the controller performs control to decrease an ink discharge amount per unit area in the overlap region in the mark printable region to be smaller than that in the mark printable region except for the overlap region and the line flushing region. This causes a decreased total ink discharge amount in the overlap region.

Abstract: A flexible probe card according to the present invention includes a compression layer; a transport layer coupled to the compression layer; and a contact layer coupled to the transport layer. The compression layer is formed of encapsulated closed cell polyurethane foam. The transport layer includes connectors for coupling the flexible probe card to a tester. The contact interface layer includes embedded conductive wires placed in a fixed grid pattern in a silicon rubber layer, without a specific connector pattern associated either with the transport layer or a device under test.

Abstract: A liquid discharge head includes a plurality of nozzles to discharge liquid, a plurality of individual liquid chambers communicating with the plurality of nozzles, respectively, a common liquid chamber to supply the liquid to the plurality of individual liquid chambers, and a liquid supply member including a liquid supply channel to supply the liquid to the common liquid chamber. The liquid supply member includes a first member including a part of the liquid supply channel, a second member including a gas chamber, and an elastic member disposed between the first member and the second member and forming a wall of the liquid supply channel of the first member and a wall of the gas chamber of the second member. The gas chamber of the second member is disposed opposite the liquid supply channel of the first member via the elastic member.

Abstract: A liquid discharge head which discharges a liquid, includes, a substrate on which plural heaters configured to generate heat for discharging a liquid are provided, an electroconductive protective film configured to cover the plural heaters and define a group consisting of the covered plural heaters in the substrate, a discrete wiring connected with the protective film for each group in the substrate, a common wiring connected with the discrete wiring for each group in common, and a terminal connected with the common wiring and configured to electrically connect the common wiring with an outside of the substrate, wherein electrical resistance of the discrete wiring is higher than electrical resistance of the common wiring.

Abstract: An inkjet head comprises a drive section, a nozzle plate, a substrate and a wiring section. The drive section comprises two integral piezoelectric members of which polarization directions are opposite with respect to the longitudinal direction of the piezoelectric member, wherein a plurality of grooves arranged from one piezoelectric member to the middle of the other piezoelectric member and a plurality of holes arranged across the two piezoelectric members are alternately arranged along the longitudinal direction of the piezoelectric member. The nozzle plate is fixed on one main surface of the one piezoelectric member and comprises a plurality of nozzle holes facing the plurality of the grooves. The substrate is fixed with the other main surface of the other piezoelectric member. The wiring section is arranged on an inner surface of the hole and at a position facing the hole of the substrate.

Abstract: A liquid ejection head includes a substrate in which at least four inlets to which a liquid is supplied are arranged, and an ejection port forming member provided with an ejection port from which the liquid supplied to the inlets is ejected and provided in the substrate. The inlets are each formed along a first direction and are arranged in a second direction which crosses the first direction. A plurality of inter-inlet areas sandwiched between the inlets adjacent to each other has at least two types of areas different in distance between the inlets adjacent to each other, and, among the inter-inlet areas, an area positioned on each of both ends of the substrate is different from an area in which the distance between the inlets is the shortest.

Abstract: A liquid-ejecting head includes a nozzle plate having a nozzle opening that serves for liquid ejection; a channel-forming substrate including pressure-generating chambers that are in communication with the nozzle opening; a pressure generator that serves to generate pressure change in a liquid in the pressure-generating chambers; and a communication plate provided between the nozzle plate and the channel-forming substrate, the communication plate having a communication channel that forms a communication between the pressure-generating chambers and the nozzle opening. The communication plate has a circulation channel that is in communication with a common liquid chamber through the communication channel, the common liquid chamber being in communication with a plurality of the pressure-generating chambers in common.