Abstract: Provided is a processing method for an ink jet head substrate, including: forming a barrier layer on a substrate and forming a seed layer on the barrier layer; forming a resist film on the seed layer and patterning the resist film so that the patterned resist film corresponds to a pad portion for electrically connecting an ink jet head to an outside of the ink jet head; forming the pad portion in an opening of the patterned resist film; removing the resist film; subjecting the substrate to anisotropic etching to form an ink supply port; removing the barrier layer and the seed layer; and performing laser processing from a surface of the substrate.

Abstract: This invention is directed to an recording sheet having improved image dry time for use in printing comprising a substrate having in contact with at least one surface thereof one or more water soluble divalent metal salts, preferably admixed with one or more starches, to process of forming such recording sheet, to a method of generating one or more image(s) on said recording sheet in an printing process and to a recording sheet having one or more images on a surface thereof.

Abstract: A water-based black ink composition which, when used in inkjet recording and writing tools, can provide recorded matter that exhibits excellent color development, light fastness, resistance to ozone gas, moisture and water, and accommodation characteristics to a sensor, and excellent solubility and therefore can be stably stored in the form of a recording fluid; and an inkjet recording method and a colored body, using the same. The water-based black ink composition contains C.I. Acid Black 2 as a colorant component. The inkjet recording method uses the water-based black ink composition, while the colored body is a body colored with the water-based black ink composition.

Abstract: A recorded matter recorded on a recording medium includes a first layer formed by an ink A on or above the recording medium, the first layer having an index of refraction A; a second layer formed by an ink B on the first layer formed by the ink B, the second layer having an index of refraction B (where B<A); and a third layer formed by an ink C or by a transparent resin material on the second layer, the third layer having an index of refraction C (where C>A) and forming a surface layer of the recorded matter.

Abstract: The present disclosure provides a mini-scale microfluidic valve including a valve housing disposed at a fluid dispensing orifice of a mini-scale microfluidic system dispensing nozzle. The valve housing comprises a base member having a base member orifice that aligns with the fluid dispensing orifice to provide a fluid dispensing pathway through which a system-fluid is dispensed from the system dispensing nozzle to an external ambient environment. The housing additionally comprises an open valve channel exposed to the external ambient environment and intersecting the fluid dispensing pathway. The valve further includes a liquid-film movably disposed within the open valve channel such that the liquid-film is exposed to the external ambient environment. The liquid-film comprises a substantially non-volatile, immiscible liquid, and a valve control subsystem structured and operable to control movement of the liquid-film within the open valve channel to selectively cover and uncover the base member orifice.

Abstract: An ejection complement process is performed during which both a usual ejection failure and a sudden ejection failure can be appropriately coped with, without being accompanied by a frequent maintenance process. In a case wherein sequential printing is not currently being performed, the first detection process is performed with a high accuracy while being accompanied by the maintenance process, and in a case wherein sequential printing is currently being performed, the second detection process that requires only a small process load is performed at a predetermined timing without being accompanied by the maintenance processing. At this time, when the number of ejection failed nozzles detected in the second ejection process has reached a predetermined value or greater, the maintenance process is performed, and only the information for the ejection failed nozzle, detected in the second detection process, is reset.

Abstract: A plurality of test patterns that are disposed in a predetermined direction are printed using dot arrays formed along an intersecting direction interesting with the predetermined direction using nozzles included in an overlapping portion of a first nozzle array and a second nozzle array, a plurality of rules lined in the predetermined direction are printed so as to be adjacent to the test patterns using nozzles included in the first nozzle array and the second nozzle array, density correction values are computed according to density of each of raster lines of the test patterns, and the positions of nozzles specified from the positions of rules are associated with the positions of the raster lines for which density correction values are computed.

Abstract: A liquid ejecting head has a flow channel substrate, an actuator formed on the flow channel substrate and having at least one mount, and a flexible wiring substrate electrically connected to the mount to supply a drive signal to the actuator. The mount of the actuator and the wiring substrate are bonded together using an epoxy adhesive agent containing p-aminophenol epoxy resin, bisphenol A epoxy resin, and bisphenol F epoxy resin.

Abstract: An image forming device includes, the first head which ejects the first ink, the second head which ejects the second ink, a movement mechanism which moves a relative position of the first head and the second head in a predetermined direction, and a control unit which causes an ejection operation in which ink is ejected from nozzles while relatively moving the head and a medium in the movement direction intersecting the predetermined direction, and a transport operation in which the head and the medium are relatively moved in a predetermined direction to be repeated, and adjusts a head interval as an interval of the first head and the second head in a predetermined direction.

Abstract: A recording apparatus includes a recording unit that performs recording on a medium which is transported from the side of a second surface which is opposite to a first surface which forms a periphery of an apparatus body to the side of the first surface, a delivery section that delivers the medium on which recording has been performed by the recording head from the side of the first surface, a notch section formed at a corner formed by an upper surface and the second surface of the apparatus body, and a battery which is attached on the notch section and forms part of the upper surface and part of the second surface of the apparatus body in a state that the battery is attached.

Abstract: A white ink composition for ink jet recording, substantially not containing a metal oxide or hollow resin particles, contains resin particles having a refractive index of 1.6 or more, and a material (B) including at least one material selected from the group consisting of a first material having a refractive index in the range of 1.5 to less than 1.6, a second material having a refractive index in the range of 1.4 to less than 1.5, and a third material having a refractive index of less than 1.4.

Abstract: A print head has a insulating substrate, a conductive layer on the insulating substrate, the conductive layer including interconnect patterns and actuation pads corresponding to each of an array of jets, an insulating layer on the conductive layer, a membrane attached to the insulating layer, and a jet stack attached to the membrane.

Abstract: A liquid ejecting apparatus which includes a moving body provided with a liquid ejecting head which ejects liquid from nozzles; a guide frame which guides the moving body in a moving direction; an urging member which urges the guide frame toward a side opposite to gravity direction; and a base frame which is provided with a first support unit which supports the guide frame, in which the first support unit regulates a displacement of the guide frame in the antigravity direction due to the urging member using abutment, and the guide frame is supported by the base frame in a state in which the guide frame can be displaced toward a gravity direction side with a gap between the base frame and the guide frame.

Abstract: A white-based pigment has an S of at least 0.15. The S is defined by equation (1): S = K ? ? 1 × ( 1 - K ? ? 2 ) × a ? ( K ? ? 3 ) 2 K ? ? 4 ( 1 ) where K1, K2, K3, and K4 are a structural factor, a porosity, a particle diameter, and a specific gravity, respectively, and 0<K1, 0<K2<1, 1.5×10?7 (m)?K3?1.0×10?5 (m), 2?K4?8, and a=1.0×1013 (m?2).

Abstract: A water-based ink for ink-jet recording includes a pigment; water; an acetylene glycol-based surfactant contained by 0.1% by weight to 0.3% by weight in the water-based ink; tripropylene glycol methyl ether contained by 2.5% by weight to 4.5% by weight in the water-based ink; and tripropylene glycol n-butyl ether contained by 0.5% by weight to 1.5% by weight in the water-based ink.

Abstract: A water-based ink for ink-jet recording includes: a pigment; water; 1,2-alkanediol; and a surfactant represented by the following general formula (1): R1CON(CH3)CH2CH2R2, wherein in the general formula (1), R1 is a saturated or unsaturated hydrocarbon group having 9 to 19 carbon atoms; the hydrocarbon group is straight chain or branched chain hydrocarbon group; R2 is SO3M or COOM; and M is Li, Na or K.

Abstract: A water-based ink for ink-jet recording includes a self-dispersible pigment modified with carboxylic acid group; water; di-2-ethylhexyl sulfosuccinic acid or salt thereof; and a compound represented by the following general formula (1):

Abstract: The present invention provides a discharge printing agent containing thiourea dioxide, wherein the discharge printing agent further contains at least one of the following components (i) and (ii): (i) at least one salt selected from the group consisting of a salt of monocarboxylic acid, a salt of ascorbic acid, and a salt of metasilicic acid; and (ii) ?-diketone.

Abstract: There is provided a water-based ink for ink-jet recording, including: a pigment; water; and alkyl glucoside which has alkyl group having 6 or more carbon atoms.

Abstract: A printing apparatus includes a printing section that forms a plurality of unit images on a print medium and forms marks that are references for specifying positions of the unit images on the print medium, in which the marks include a different-color image capable of being visually recognized of which a color is different from a background color of the marks.

Abstract: A water-based ink for ink-jet recording includes: a pigment; water; tripropylene glycol contained not more than 28% by weight in the water-based ink; and 1,2-diol having a number of 8 to 10 carbon atoms; wherein a weight ratio (X:Y) of the tripropylene glycol (X) to the 1,2-diol (Y) in the water-based ink is in a range of X:Y=50:1 to 2.4:1.

Abstract: A system for testing one or more nozzles in a nozzle plate includes a fixture for holding the nozzle plate, a gas input device for jetting gas through the nozzle, and a first stationary schlieren optical system for producing a light-intensity representation of a gas stream jetted from the nozzle. An image capture device can capture one or more images of the light-intensity representation or the light-intensity representation can be projected onto a screen.

Abstract: According to one embodiment, an ink-jet print head comprises a support member including a flat portion with an ink supply aperture and an ink discharge aperture formed therein so as to circulate and supply ink, the flat portion including a recess, a base plate fitted in the recess of the support member, a nozzle plate laid over the base plate at a predetermined distance from the base plate and including a plurality of nozzles formed therein in a fixed direction, and an actuator disposed between the base plate and the nozzle plate and including a pressure chamber and a piezoelectric member, the pressure chamber being provided for each corresponding nozzle, and the piezoelectric member being provided to form a wall for the pressure chamber and configured to change capacity of the pressure chamber.

Abstract: An ink for ink jet recording includes a chelating agent represented by Structural Formula (1) or (2) and water. The ink has a hydrogen ion exponent (pH) of more than 7 and 10 or less.

Abstract: A printing apparatus includes a rotating shaft that is displaceable in an axial direction and feeds a recording medium by rotating, a print head that prints on the recording medium that is fed from the rotating shaft, a support member that supports the recording medium between the rotating shaft and the print head, a process execution unit that performs a front surface modifying process on the recording medium supported by the support member, and a displacement mechanism that displaces the support member according to displacement of the rotating shaft.

Abstract: There are provided a new compound which has the following general formula (1) and which is useful as a coloring material, an ink containing the compound, an ink cartridge containing the ink and an ink jet recording method including ejecting the ink from a recording head of an ink jet system to record an image on a recording medium,

Abstract: An inkjet recording medium includes a substrate having two opposed surfaces, an ink receiving layer disposed on at least one of the two substrate surfaces, and a porous protective layer disposed on the ink receiving layer. The ink receiving layer receives an ink when printed thereon. The protective layer includes: reactive polymer particles that cross-link upon exposure to microwave radiation; non-reactive polymer particles that coalesce upon exposure to microwave radiation; or a combination of the reactive polymer particles and the non-reactive polymer particles, to form a substantially non-porous protective film that covers the printed ink.

Abstract: A radiation curable liquid includes at least one free radical polymerizable monomer or oligomer, at least one diffusion hindered acetalysation catalyst, and at least one diffusion hindered hydroxyl containing compound. The radiation curable liquid applied to a substrate prevents migration of very low viscous monomers, such as vinyl ether acrylate monomers, into the substrate.

Abstract: A phase change ink composition including an amorphous compound; a crystalline compound; an optional synergist; an optional dispersant; and a white colorant having a volume average particle size of from about 25 nanometers to less than 200 nanometers.

Abstract: A printing apparatus includes: a support member that supports a recording medium; a head plate that extends in a direction that intersects a transporting direction of the recording medium; a head body mounted on the head plate and having a nozzle that ejects a liquid onto the recording medium supported on a surface of the support member; and adjusting members that respectively project from opposite ends of the head plate in a direction of the head plate that intersects the transporting direction toward the support member, and that position the head plate with respect to the surface of the support member when each distal end of the adjusting members contacts the surface of the support member.

Abstract: An inkjet recording ink, including: water; a water-soluble solvent; a pigment; and a phosphate group-containing copolymer, wherein the phosphate group-containing copolymer includes a structural unit represented by the following general formula (1) and a structural unit represented by the following structural formula (1): wherein, in the general formula (1), R1 represents either of a hydrogen atom and a methyl group; and M+ represents any of an alkali metal ion, an organic ammonium ion, an organic amine ion and a hydrogen ion, one-half or more of the M+ in the copolymer is an alkali metal ion, an organic ammonium ion or an organic amine, and the remainder is a hydrogen ion:

Abstract: Inkjet printing systems are described that have deflection surfaces to guide a condensation reducing airflow between a printing module and a receiver without disrupting inkjet drop placements.

Abstract: An ejection liquid capable of being stably ejected based on a system using thermal energy even if the liquid contains at least one selected from the group consisting of proteins and peptides, and a method and an apparatus for ejecting the liquid containing at least one selected from the group consisting of proteins and peptides using this system are provided. The applicability of the liquid for use in an inkjet system using thermal energy is improved by adding at least one selected from the group consisting of amino acids and salts thereof and a surfactant to an aqueous solution containing at least one selected from the group consisting of proteins and peptides.

Abstract: A liquid ejection head includes: a chip including a substrate having an energy generating element, an ejection orifice member, and an electrode terminal; an electric wiring board; a support member for supporting the wiring board, the support member having an opening surrounding the chip; a chip periphery sealing member which fills a gap between the chip and the opening; and an electrically connecting portion sealing member disposed in contact with the chip periphery sealing member and which covers an electrically connecting portion between the chip and the electric wiring board. The electrically connecting portion sealing member is a cured product of a material containing filler. The chip periphery sealing member is a cured product of a material containing at least one of specific siloxanes. The chip periphery sealing member and the electrically connecting portion sealing member has a difference in coefficient of linear expansion of 50 ppm/° C. or more.

Abstract: An inkjet printer includes: an inkjet printhead having an exposed corrodible structure containing silicon nitride, borophosphosilicate glass (BPSG) or silicon oxide; and an ink reservoir containing said ink which is in fluid communication with said printhead. The ink includes: water; a dye; and a metal additive for minimizing corrosion of the exposed structure.

Abstract: An ink set includes a first ink composition, and a second ink composition, in which the first ink composition contains a first pigment, and an alkyl diol having carbon atoms of 6 or less and a normal boiling point of 240° C. or more, the second ink composition contains a second pigment, and the alkyl diol, in the first ink composition, a content of the first pigment is 2.5% by weight or more, and a content of the alkyl diol is 3% by weight to 15% by weight, in the second ink composition, a content of the second pigment is less than 2.5% by weight, and the content of the alkyl diol is 8% by weight to 30% by weight, and the content of the alkyl diol in the second ink composition is greater than the content of the alkyl diol in the first ink composition.

Abstract: An ink-jet recording apparatus including a position adjusting mechanism of a recording head, including: a first force applying member that applies a force, in a first direction, to a first side face of the recording head; a first position adjusting member that holds the recording head by receiving the force in the first direction at a first inclined face thereof inclined with respect to the first direction; a first pressing member disposed between the first inclined face and a second side face of the recording head and having a second inclined face which is parallel to the first inclined face and which contacts the first inclined face, and a pressing face which presses the second side face; and a first moving mechanism that moves the first position adjusting member relative to the first pressing member in a direction along a second direction.

Abstract: A grounding structure achieves a conductive state between members by making contact with the members. One member includes a screw-shaped portion in at least part of the member, and the other member includes an anchoring portion that engages with the screw-shaped portion of the one member under a biasing force in an interlocked state.

Abstract: Provided is an image processor and image processing method that are capable of suppressing both density unevenness and graininess that occur due to deviation of the printing position of dots that are printed by a plurality of relative movements (or a plurality of printing element groups). In order to accomplish this, the dot overlap rate of an image characteristic in which density unevenness stands out is made higher than the dot overlap rate of an image characteristic in which other defects stand out more than the density unevenness. By doing so, it is possible to suitably adjust the dot overlap rate according to an image characteristic, and to output an image having no density unevenness or graininess.

Abstract: A web press, in particular a variable format book web press, variable format newspaper web press, or variable format periodical web press, has printing units having printing devices or groups of printing devices for applying ink to a paper web. The printing devices or groups of printing devices are constructed without rotating impression cylinders and are designed to apply ink to the paper web in a noncontacting manner.

Abstract: A method for testing a nozzle in a nozzle plate includes jetting gas through the nozzle and forming one or more light-intensity representations of a gas stream jetted from the nozzle using at least one stationary schlieren optical system. One or more images can be captured of the one or more light-intensity representations of the gas stream jetted from the nozzle. Alternatively, respective light-intensity representations of the gas stream jetted from the nozzle can be projected onto a screen.

Abstract: The invention provides an ink for inkjet printing, comprising colorant and certain polyurethane ink additives which is derived from alkoxy aromatic diol derived from alkoxy aromatic diols which enhances fastness of the print towards highlighter and finger smudge without compromising jetting performance and storage stability of the ink. The inks may be jetted from both thermal and piezo ink jet systems.

Abstract: A photo-curable ink composition including an acrylic polymer or copolymer, a vinyl ester component, a multifunctional monomer, a photoinitiator and a pigment. Also disclosed herein is a method for forming a printed article and an ink-jet ink printing system using said photo-curable ink composition.

Abstract: There is provided a biocompatible member comprising: a base material; and a film provided on the base material, wherein the biocompatible member includes: 1) a compound having a phosphorylcholine group, and 2) a polymer of a polymerizable compound, or an oligomer or polymer compound, provided that 2) the polymer of a polymerizable compound, or the oligomer or polymer compound does not have a phosphorylcholine group, the film is a composition gradient film in which the composition of 1) and 2) continuously varies in such a manner that the proportion of 1) increases and the proportion of 2) decreases from the side closest to the base material to the side farthest from the base material along a film thickness direction.

Abstract: A microfluidic device includes a substrate; at least one inorganic layer provided on the substrate; a patterned epoxy layer formed over the at least one inorganic layer, the patterned epoxy layer including a wall that defines a location for a fluid in the microfluidic device; and an alkoxysilane material containing a primary or secondary amine for promoting adhesion between the at least one inorganic layer and the patterned epoxy layer.

Abstract: A liquid discharging head includes a liquid discharging head that has a nozzle plate on which a nozzle is formed, a cover that is provided at a periphery of the nozzle plate, and a liquid repellent film that are provided on surfaces of the nozzle plate and the cover which are opposed to a discharge target. In the liquid discharging head, a recess defined by the cover and the nozzle plate is filled with a filler and inner surfaces of the recess are covered by the filler.

Abstract: A recording device includes a conveying part that conveys a roll paper, a support part that supports the roll paper, a recording part that ejects a liquid on the roll paper supported by the support part to record an image on the roll paper, a heating part that heats the support part to dry the liquid ejected on the roll paper, a cleaning part that cleans the recording part, and a controller that controls the conveying part to convey the roll paper while controlling the cleaning part to carry out a cleaning operation for cleaning the recording part.

Abstract: The inkjet ink composition includes (Component A) a polymerizable compound, (Component B) a polymerization initiator, and (Component C) a vegetable oil, in which the component B contains a compound represented by the formula (1) or (2).

Abstract: An inkjet ink of the present invention including: water; an organic solvent; a surfactant; and a colorant, wherein the organic solvent comprises the following (1), (2) and (3): (1) at least one polyhydric alcohol having an equilibrium moisture content of 30% by mass or higher at a temperature of 23° C. and humidity of 80% RH; (2) an amide compound expressed by the Structural Formula (I); (3) a compound expressed by the Structural Formula (II); a compound expressed by the Structural Formula (III), or a compound represented by the General Formula (I), or any combination thereof.

Abstract: Provided is a liquid ejection head formed by performing bonding and fixing operations speedily and highly accurately when a recording element board is bonded to a supporting member, the liquid ejection head having a high liquid-landing accuracy and achieving a high printing quality. A method of manufacturing the liquid ejection head is also provided. Heat is conducted from a holding member, which supports the recording element board, to a thermosetting adhesive via the supporting member, which supports the recording element board, in order to accelerate the curing of the adhesive.