Abstract: In one example, a printhead die includes a structure having a thickness 100 ?m or less and a ratio of length to width of at least 50 and containing, within its thickness, multiple fluid ejectors and multiple fluid chambers each near an ejector and each having an inlet through which printing fluid may enter the chamber and an outlet through which printing fluid may be ejected from the chamber.

Abstract: An ink jet black ink composition for sublimation transfer includes water, a water-soluble organic solvent, C.I. Disperse Blue 360, and two or more disperse dyes that achieve a reflectance of less than 0.1 at a wavelength of 380 nm or more and 520 nm or less on a dyed article.

Abstract: An ink jet recording method is provided in which an ink jet head having a first nozzle array and a second nozzle array which is arranged along the first nozzle array, in which the distance between the first nozzle array and the second nozzle array is 15 mm or greater and a nozzle density of the first nozzle array and a nozzle density of the second nozzle array are 600 dpi or greater is used, and while varying the relative position of the ink jet head in a direction intersecting an array direction of the first nozzle array and the second nozzle array with respect to a recording medium, an ink composition is adhered to the recording medium by performing a scanning which discharges the ink composition at a frequency of 12 kHz or greater from nozzles in the first nozzle array and the second nozzle array.

Abstract: In an embodiment, a fluid flow structure includes a micro device embedded in a molding. A fluid feed hole is formed through the micro device, and a saw defined fluid channel is cut through the molding to fluidically couple the fluid feed hole with the channel.

Abstract: Articles can be formed with either a dried layer or a dried pattern of a non-aqueous photocurable composition on one or both sides of a substrate. This composition includes a photocurable component and dispersed carbon-coated metal particles present in an amount of at least 10 weight % based on the total weight of the non-aqueous photocurable composition. The dispersed carbon-coated metal particles have a median diameter of less than 0.6 ?m, and a particle dispersing agent that has a weight average molecular weight (Mw) of at least 2,000 and up to and including 10,000 and comprises nitrogen-containing units, the median diameter being determined using a dynamic light scattering method. Such articles can be used for various purposes including the formation of electrically-conductive grids, and can be incorporated into various devices including those having touch screen displays.

Abstract: Systems and methods for a mobile electronic system that gathers and analyzes odors, airborne chemicals and/or compounds. The system includes a sample delivery component that can gather airborne substances and/or gaseous substances. A detection component can detect the presences of chemicals, substances, and/or visual gases in a sample. Analyzed samples can be compared with known substance and/or odor analysis. In addition, the source of the sample can be determined. Accordingly, odor, gas, and/or airborne substance identification can be accomplished.

Abstract: The present invention improves rigidity in a joining portion between a substrate and piezoelectric element, and provides a liquid discharging device having improved vibration properties. A liquid discharging device includes a pressure chamber made up of a space surrounded by a pair of side walls, a floor wall, and a ceiling wall; a substrate configured to make up at least one of the floor wall or ceiling wall; a liquid supplying unit configured to fill the pressure chamber with liquid; and an electrode having a pair of side walls made of piezoelectric elements, configured to apply voltage to the piezoelectric elements in order to shrink the volume of the pressure chamber by deforming the piezoelectric elements and to discharge liquid from the pressure chamber; wherein the tip side face portion of the piezoelectric element is restrained as to the substrate.

Abstract: Provided is an ink set enabling the recording of images that have excellent color developability and bronzing resistance and have suppressed a coloring by fringe when a clear ink and a pigment ink are used in combination. An aqueous ink set includes a combination of a first ink containing no coloring material and a second ink containing a coloring material.

Abstract: Provided is an ink set enabling the recording of images that have excellent gloss clarity and bronzing resistance and have suppressed an occurrence of fringe unevenness when a clear ink and a pigment ink are used in combination. The aqueous ink set includes a combination of a first ink containing no coloring material and a second ink containing a coloring material.

Abstract: In one embodiment, a printhead includes a substrate comprising a single fluid slot with sidewall surfaces. The printhead also includes a plurality of fluid chambers in fluid communication with the fluid slot. The printhead includes a membrane disposed between the fluid slot and the fluid chambers. The membrane comprises membrane side surfaces that form fluid feed holes to provide the fluid communication between the fluid slot and the fluid chambers. A protective coating is disposed on each of the surfaces.

Abstract: A liquid ejection head includes: an element-substrate to eject liquid according to an electrical signal; an electrical circuit substrate to send the electrical signal; and a body including the element-substrate on a first face and the electrical circuit substrate on a second face, in which the liquid ejection head is mounted in a mount unit of a liquid ejection apparatus via an electrical connector; the body includes a pressure-receiving portion for receiving a force including components in first and second directions; the liquid ejection head includes first and second positioning portions that determine a position of the body; and the first positioning portion is arranged at both outsides of an arrangement region of the element substrate; the second positioning portion is arranged at both sides of the second face; and the pressure-receiving portion is arranged at the both sides and an intermediate portion of the body.

Abstract: A water-based ink for ink-jet recording includes: a water-soluble colorant; water; a water-insoluble liquid; a nonionic surfactant; and an ionic surfactant having a polarity same as that of the water-soluble colorant. The water-insoluble liquid is dispersed stably in the water by the nonionic surfactant and the ionic surfactant having the polarity same as that of the water-soluble colorant.

Abstract: An ink manifold for use with a heater chip in an inkjet printhead, including a first planar surface and a second opposite planar surface, a plurality of ink channels located on the first planar surface of the ink manifold for supplying ink to the heater chip, and a plurality of ink ports located on the second opposite planar surface of the ink manifold, each of the plurality of ink ports being in liquid communication with a respective one of the plurality of ink channels, each of the plurality of ink channels having a bottom wall defined by bottom wall portions that rise from each ink port within the ink channel to a maximum height at an angle of at least 12 degrees.

Abstract: A task of the present invention is to provide a coated printing paper for an industrial inkjet printing press, which has printability for a conventional printing press for use in, e.g., offset printing, and which has printability that can cope with the printing speed of an industrial inkjet printing press. An embodiment of the present invention is a coated printing paper for an industrial inkjet printing press, having a support; and, on at least one surface of the support, a coating layer containing at least a binder, a cationic compound, and ground calcium carbonate which, in a particle size distribution curve thereof, has at least one peak and has a half band width of 0.25 ?m or less with respect to the maximum peak, and which has an average particle diameter of 0.10 to 0.28 ?m.

Abstract: A device has a first part including polyethylene terephthelate (PET) with a fiber fill and a second part bonded to the first part. The second part includes an alloy of polyester and polycarbonate. The first and second part may be bonded together by placing the first part and the second part in contact with one another and heating the second part to bond the second part to the first part.

Abstract: An ink jet head includes a head body, a plurality of pipes, a plurality of flexible substrates, a reference plate, a plate base, a plurality of in-covers, and a plurality of side covers. Each of the in-covers includes an inner surface having a first mating surface in contact with the plate base, and an outer surface having a second mating surface in contact with the driving circuits. Each of the side covers includes an inner surface that is thermally coupled to a respective one of the plurality of in-covers and has a third mating surface in contact with the second mating surface section of the respective one of the plurality of in-covers, and an outer surface fastened to the print wiring substrate.

Abstract: A method is provided for bonding a chip to a substrate, the method comprising the steps of providing a chip, providing a substrate, providing a recess in one of the chip and the substrate, arranging the chip and the substrate in contact with each other thereby forming a predetermined contact area and at least partly covering the recess by the other one of the chip and the substrate, and providing an amount of liquid adhesive in the recess for providing a bonding layer.

Abstract: There is provided an ink jet ink composition, which is used in a recording method including ejecting the ink jet ink composition from a recording head of head temperature C (unit: ° C.) onto a recording medium to adhere the ink jet ink composition thereonto and drying the recording medium, on which the ink jet ink composition is adhered, at drying temperature D (unit: ° C.), including water; and a polymer particle, in which the polymer particle has a core polymer containing a polymer of glass transition temperature A (unit: ° C.) and a shell polymer containing a polymer of glass transition temperature B (unit: ° C.) and formed on the surface of the core polymer, and in which the A, B, C, and D satisfy predetermined relations.

Abstract: An object of the invention is to provide an inkjet printer that forms an image with good quality. The object is achieved by an inkjet printer 1 including an ink head H ejecting an ink, an ink supply unit P communicating with the ink head H, and an ink storage unit T communicating with the ink supply unit P and supplying the ink to the ink head H through the ink supply unit P, in which at least a part of the ink supply unit P has an ink heating unit S that heats the ink until a viscosity of the ink is within the range of 5 mPa·s or more to 30 mPa·s or less, and the ink storage unit T has a shearing device that shears the ink.

Abstract: A liquid ejecting apparatus includes a pressure chamber that communicates with a nozzle which has an opening at a nozzle formation surface; a communication plate where a common liquid chamber which supplies a liquid to the pressure chamber is formed; a liquid ejecting head having a flexible film which seals the opening surface at the nozzle formation surface side of the common liquid chamber in the communication plate; and a sealing member which has a cavity-shaped sealing hollow section and can be sealed by the nozzle formation surface being confronted in the sealing hollow section. The sealing member is configured so as to be sealable by at least a portion of the flexible film being confronted in the sealing hollow section in a sealed state of the nozzle formation surface.

Abstract: A method of manufacturing a substrate of a liquid ejection head including: forming a plurality of recesses in a silicon wafer; etching the silicon wafer with etchant to form a depression and a plurality of through holes formed from the plurality of the recesses in the depression; and manufacturing a plurality of substrates of the liquid ejection head from the silicon wafer by dividing the silicon wafer on the basis of through holes.

Abstract: An ink jet printing apparatus includes a placement table on which recesses in which swelling portions of a printing target material fall are formed and the printing target material is placed, and an ink jet head that discharges ink onto a surface of the printing target material of a printing side placed on the placement table so as to execute desired printing. The swelling portions such as seams fall in the recesses on the printing target material so that the swelling portions and the ink jet head can be avoided from rubbing with each other.

Abstract: In one example, parts to be assembled into a fluid flow structure include: a first part having a first opening therein and a first adhesive bonding surface surrounding the first opening; a second part having a second opening therein and a second bonding surface surrounding the second opening; and the first and second bonding surfaces are each configured, when the parts are assembled for bonding and an adhesive is squished between the parts, to create a capillary force along the bonding surface urging adhesive away from the opening.

Abstract: The invention provides a production process for a self-dispersible pigment, comprising a step of bonding a functional group containing a hydrophilic group to a particle surface of a pigment by causing at least one treatment agent selected from the group consisting of a compound represented by the following general formula (1), a compound represented by the following general formula (2) and a compound represented by the following general formula (3) to react with the particle surface of the pigment.

Abstract: A liquid ejecting apparatus includes a liquid ejecting head in which a plurality of head units which eject an ink from a nozzle which is formed in an ejection surface are arranged, and a brush which includes a plurality of bristle members for cleaning a gap which is formed by the head units which are adjacent to each other.

Abstract: The flow channel member includes an attachment member having a first flow channel to be connected to an ink cartridge; a flow channel plate having a second flow channel to be connected to a head main body ejecting an ink; an adhesive arranged on a first joining surface and a second joining surface where the attachment member and the flow channel plate are opposing each other, and enclosing openings of the first flow channel and the second flow channel; a seal member arranged on the joining surfaces, enclosing an outer side of the adhesive; and an air chamber between the adhesive and the seal member, in which a communication channel allowing the air chamber to communicate outward is disposed in the attachment member, and the communication channel is capable of communicating with an outward open channel of the ink cartridge.

Abstract: A method of forming hydrophobic structures in a hydrophilic print medium includes operating a plurality of inkjets to form an arrangement of hydrophobic material on first side of a print medium that moves in a process direction at a predetermined velocity. The method further includes moving the print medium through a convection heater at the predetermined velocity to enable the hydrophobic material to penetrate the print medium to form hydrophobic structures within the print medium.

Abstract: A liquid discharge head includes a substrate on the surface of which a liquid supply port opens, and a sealing material that is in contact with a side surface of the substrate and that seals the side surface of the substrate. On the surface of the substrate, an opening of the liquid supply port extends in a longitudinal direction. In a direction perpendicular to the longitudinal direction, the sealing material has a narrow region and a wide region. When the width of the narrow region is denoted as W1, and the width of the wide region is denoted as W2, W1<W2. The narrow region of the sealing material is formed in a position corresponding to the opening of the liquid supply port. In a direction parallel to the longitudinal direction, the length of the narrow region of the sealing material is less than the length of the opening of the liquid supply port.

Abstract: There is provided a recording head unit that includes a recording head main body that drives a piezoelectric element to generate a pressure change in ink filling a pressure generation chamber so as to eject the ink through a nozzle formed in a nozzle plate; a holder to hold the recording head main body; and a fixing plate to which end surfaces, on the nozzle plate side, of the recording head main body and the holder are fixed.

Abstract: An inkjet-head includes a first flow path member in which a plurality of first flow paths are formed; and a second flow path member in which a plurality of second flow paths are formed and to which the first flow path member is bonded. The second flow paths have intra-joint-surface flow paths, respectively, which are formed by surrounding, with a first adhesive, a peripheral edge of a groove formed in the second flow path member and bonding the first flow path member thereto. A joint space is formed and includes a plurality of the intra-joint-surface flow paths due to surrounding, with a second adhesive, an outer periphery of the intra-joint-surface flow path and bonding the second flow path member and the first flow path member. At least a part of the second adhesive is formed further inside of a straight line connecting an end of one intra-joint-surface flow path on the outer side and an end of another intra-joint-surface flow path on the outer side in joined surfaces.

Abstract: A liquid ejecting apparatus includes a liquid ejecting head that ejects a plurality of kinds of photocurable type liquids, an irradiation unit that irradiates light that cures the liquids, a liquid receiving portion that is capable of receiving the liquids that are ejected from the liquid ejecting head, and a control unit that controls the ejection of the liquids from the liquid ejecting head. Among the plurality of kinds of liquids that are ejected, the control unit ejects a liquid that is cured with most ease when the light is irradiated before at least one different liquid other than the liquid in a case in which the plurality of kinds of liquids are ejected into the liquid receiving portion from the liquid ejecting head.

Abstract: Inkjet ink contains water, hydrosoluble organic materials; and a colorant, wherein the hydrosoluble organic materials account for 30% by weight to 50% by weight of the inkjet ink, wherein the hydrosoluble organic materials contain 3-methoxy-1-butanol, herein the hydrosoluble organic materials contain at least one of 1,3-butane diol, 3-methyl-1,3-butane diol, 1,2-butane diol, 2,3-butane diol, 1,2-pentane diol, 3-methyl-3-hydroxymethyl oxetane, 1,2-propane diol, or 1,3-propane diol in an amount of 1% of the inkjet ink.

Abstract: Described herein are bioprinters comprising: one or more printer heads, wherein a printer head comprises a means for receiving and holding at least one cartridge, and wherein said cartridge comprises contents selected from one or more of: bio-ink and support material; a means for calibrating the position of at least one cartridge; and a means for dispensing the contents of at least one cartridge. Further described herein are methods for fabricating a tissue construct, comprising: a computer module receiving input of a visual representation of a desired tissue construct; a computer module generating a series of commands, wherein the commands are based on the visual representation and are readable by a bioprinter; a computer module providing the series of commands to a bioprinter; and the bioprinter depositing bio-ink and support material according to the commands to form a construct with a defined geometry.

Abstract: A protective guide system that protects a print head nozzle plate from physical contact with objects such as a curled print medium. The nozzle plate includes a nozzle array including a plurality of nozzles arranged in a plurality of subarrays. The plurality of subarrays are spaced from each other by a plurality of intranozzle areas devoid of nozzles. The protective guide system includes a frame and a plurality of cross members aligned with the intranozzle areas between the subarrays. The protective guide system thus protects the nozzle plate without obstructing the ink during printing.

Abstract: The invention provides a liquid ejection head equipped with an energy generating element generating energy utilized for ejecting a liquid, a liquid supply port provided at a surface on which the energy generating element is provided for supplying the liquid to the energy generating element, a liquid flow path for supplying the liquid to the energy generating element from the liquid supply port and a rib extending from the liquid supply port toward an inlet of the liquid flow path, wherein an end portion of the rib on the side of the liquid flow path is provided at a position deviated from a center line of the liquid flow path.

Abstract: A recording head includes: a recording element substrate having a recording element and a logic circuit cofigured to control driving of the recording element; and an electric wiring member cofigured to provide a wiring layer that has a first group of a plurality of terminals, a second group of a plurality of terminals, and a plurality of signal lines configured to connect the first group of terminals to the second group of terminals; wherein the plurality of signal lines includes a plurality of logic signal lines including a logic power source line, a logic ground line, and at least first and second logic signal lines, and wherein, on the wiring layer, a line pattern connected to one of the logic power source line and the logic ground line is disposed along the first and second logic signal lines.

Abstract: Provided are: an ink composition for ink-jet printing use, which has good re-dispersibility after being dried and does not undergo the change in properties of the ink even when stored for a long period; and an ink-jet printing method and a dyeing method each using the ink composition. The ink composition according to the present invention comprises: a pigment; water; a polymer (D) composed of at least two monomers independently selected from the group consisting of a monomer (A), a monomer (B) and a monomer (C) respectively represented by specific formulae; a styrene-butadiene resin; a water-soluble organic solvent; and a nonionic surfactant.

Abstract: An image forming apparatus includes an apparatus body; a recording head to discharge droplets onto a recording medium, wherein a mist is generated when droplets are discharged to form an image; a battery, detachably disposed inside the apparatus body, to supply power necessary for operation of the apparatus body; and a connection terminal to connect the battery to the apparatus body and disposed outside a movement of the mist generated when the recording head discharges the droplets.

Abstract: Aqueous ink jet ink compositions can be used for ink jet printing colored or invisible images on receiver elements. These compositions contain a polymeric agent comprising core-shell polymeric particles. The core of the particles comprises a hydrophobic polymer having an acid number less than 10. The shell of the particles comprises a hydrophilic polymer having an acid number of at least 70. The weight ratio of the core to the shell is at least 50:50 and up to and including 90:10. Such compositions can be used in various ink jet printing systems including drop on demand and continuous ink jet printing systems.

Abstract: An image forming method has applying an ink composition winch includes: at least a pigment, water, and polyvalent (meth)acrylamide of 3.0 mass % or more and 15.0 mass % or less with respect to the entire ink composition as a polymerizable compound, to a coated paper having a pigment layer on at least one surface of a support in which cellulose pulp is a main component, using an ink jet method; at least drying the applied ink composition; and curing the ink composition on the coated paper by irradiating active energy rays at an illuminance of 1 W/cm2 or more and 2 W/cm2 or less to the ink composition which has undergone drying processing.

Abstract: To provide a black ink for inkjet recording, including: carbon black and a complementary color pigment thereof each serving as a colorant; a water-soluble organic solvent; and water, wherein the carbon black, the complementary color pigment, or a combination thereof is a self-dispersion type pigment.

Abstract: A yellow ink composition includes a particulate pigment; a dispersant; a water-soluble solvent; and water, wherein the ink composition satisfies the following relationship: 0.02?Y/X?0.07??(1) wherein X represents a maximum absorbance of the ink composition at a wavelength of from 400 to 450 nm; and Y represents an absorbance thereof at a wavelength of 500 nm.

Abstract: An active energy ray-curable ink composition includes (component A) monofunctional radically polymerizable monomers, (component B) a polyfunctional oligomer having a glass transition temperature of 20° C. or lower and an acrylate value of 300 g/value or more, and (component C) a bifunctional radically polymerizable monomer having a viscosity at 25° C. of 15 mPa·s or less, wherein the component A includes an N-vinyl compound and a compound represented by the following formula (I), the content of the N-vinyl compound with respect to the total amount of the ink composition is from 10 to 50% by mass, and the content of the component A with respect to the total amount of the ink composition is 70% by mass or more.

Abstract: A controller is configured to control ink ejection timings of a plurality of head modules on a basis of a positional relation in a print width direction of a sheet between nozzles, covering a same pixel, of the plurality of head modules of different colors in each of a plurality of head module lines such that, among landing positions of inks from the nozzles of the different colors covering the same pixel, the landing position of the ink from the nozzle of at least one of the different colors is shifted in a transfer direction of the sheet from the landing positions of the inks from the nozzles of the other colors in at least one of the plurality of head module lines.

Abstract: To provide an inkjet ink, which contains: water; a wetting agent; a surfactant; and a colorant, wherein the wetting agent contains at least an amide compound represented by the following structural formula (I):

Abstract: Provided is a manufacturing method of a liquid ejecting head having a flow-path forming substrate in which a liquid flow path is provided to communicate with a nozzle opening through which liquid is discharged. The method includes performing wet etching on both surfaces of the flow-path forming substrate and forming the liquid flow path by removing a burr that is formed when the wet etching is performed on the flow-path forming substrate.

Abstract: An indirect printing process for printing a gel ink. The process comprises providing a gel ink composition in an inkjet printing apparatus. Droplets of gel ink are ejected in an imagewise pattern onto an intermediate transfer member wherein each ink droplet forms a substantially circular image on the transfer member. The ink droplets are gelled and dried or solidified to form a substantially dry ink pattern on the intermediate transfer member. The substantially dry ink pattern is transferred from the intermediate transfer member to a final substrate.

Abstract: According to one embodiment, an inkjet head includes a mask part which covers a periphery of an actuator part in a state where a nozzle hole is exposed to outside and a peripheral edge part of which is opposite to an opening peripheral edge part of a frame part at other end while a gap is kept, and the gap between the peripheral edge part of the mask part and the opening peripheral edge part of the frame part at the other end is sealed with a seal agent having thermal insulation properties.

Abstract: A fluidic structure has a first chamber having a connection to a fluid reservoir and a connection to an array of apertures, the chamber forming a flow path between the fluid reservoir and the array of apertures, a second chamber having a connection to at least one vent connected to an atmosphere external to the fluidic structure, and at least one path between the first chamber and the second chamber.

Abstract: A coating liquid comprising: an oxazoline group-containing resin; an alkanediol having 7 or more carbon atoms; a surfactant; and water.