Inventors list

Assignees list

Classification tree browser

Top 100 Inventors

Top 100 Assignees


Array of ejectors

Subclass of:

347 - Incremental printing of symbolic information

347001000 - INK JET

347020000 - Ejector mechanism (i.e., print head)

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
347042000 Full-line type 55
347043000 Color type 43
347041000 Interlace 7
Entries
DocumentTitleDate
20100156988LIQUID EJECTION HEAD AND PRINTING APPARATUS - A print head of which influence on an ink to be ejected from an ejection port subsequently by an air flow generated by an ink to be ejected from the ejection port is suppressed evenly for respective ejection ports in the print head is provided. A print head has an ejection port for ejecting ink. On an ejection port forming face formed with the ejection port, a projection projecting from the ejection port forming face is formed. The projection is arranged at a position where the distance from a center of the ejection port is within the maximum of a diameter of a vortex core of a vortex that is formed when liquid droplets are ejected in the case without a projection.06-24-2010
20100165044INKJET PRTINTHEAD AND METHOD OF MANUFACTURING THE SAME - Provided are an inkjet printhead and a method of manufacturing the same. The inkjet printhead includes: a substrate including an ink feed hole; a chamber layer formed on the substrate and including a plurality of ink chambers in which ink supplied from the ink feed hole may be filled; and a nozzle layer formed on the chamber layer and including a plurality of nozzles through which ink may be ejected, wherein the chamber layer and the nozzle layer are respectively formed of cured products of a first negative photoresist composition and a second negative photoresist composition, wherein the first negative photoresist composition and the second negative photoresist composition include a bisphenol-A novolac epoxy resin represented by Formula 1; at least one epoxy resin selected from a first epoxy resin represented by Formula 2, and a second epoxy resin represented by Formula 3; a cationic photoinitiator; and a solvent.07-01-2010
20100118086SYSTEM FOR PRINTING 3D STRUCTURE WITH INTEGRATED OBJECTS - A system for creating a three dimensional printed structure having a plurality of layers. The system includes a plurality of printheads arranged to print voxels of material so as to define respective layers of the structure, a robot for inserting objects into voids created in the structure during printing, and a conveyance for conveying a substrate past the printheads such that the printed structure is created on the substrate.05-13-2010
20120162316NOZZLE LAYOUT FOR FLUID DROPLET EJECTING - A fluid ejection apparatus includes a printhead having a substrate. The substrate includes a nozzle face having a width direction and a length direction. The nozzle face includes a set of four columns of nozzles oriented in a column direction substantially along the width direction of the nozzle face, and the nozzles in each column are positioned on a straight line along the column. A spacing between two adjacent columns of the four adjacent columns is different than a spacing between another two adjacent columns of the four adjacent columns. In some implementations, a controller can control timing of ejection of fluid droplets from the nozzles to deposit lines of fluid droplets on a medium, and the medium can travel relative to the nozzle face.06-28-2012
20090195598Inkjet Printhead With Shared Ink Spread Restriction Walls - A printhead for an inkjet printer. The printhead comprising a wafer assembly defining a plurality of ink supply channels; and plural groups of ink ejection nozzle arrangements extending from the wafer assembly, each group of ink ejection nozzle arrangements sharing a common ink supply channel. Each group of ink ejection nozzle arrangements includes a plurality of ink ejection nozzle arrangements arranged in a pair of rows. Each group of ink ejection nozzles includes one ink spread restriction wall shared by the group, the ink spread restriction wall being interposed between each ink ejection nozzle of the group and so as to at least partially surround each ink ejection nozzle of the group. The shared ink spread restriction wall is spaced apart from each ink ejection nozzle arrangement to define a plurality of ink spread restriction pits between the common ink spread restriction wall and respective ink ejection nozzle arrangements.08-06-2009
20100149256PRINTER INCLUDING DOT DATA GENERATOR WITH STOCHASTICALLY RAMPED PRINT DATA - A printer including a print media transport path, a plurality of printhead modules located across the print media transport path, each printhead module having an elongate printhead, said printheads being slanted and nozzles of respective printheads overlap with nozzles of printheads of neighboring printhead modules, and a dot data generator for providing print data to nozzles such that print data is stochastically ramped from one neighbouring printhead module to a next neighbouring printhead module.06-17-2010
20090109259Single-Pass Inkjet Printing - A single-pass print head has multiple orifice plates each serving some but not all of the area to be printed.04-30-2009
20100079543LIQUID EJECTING APPARATUS - A liquid ejecting apparatus includes: a liquid ejecting head that ejects liquid from nozzles; a first nozzle group that is formed of nozzles for ejecting the liquid; and a second nozzle group that is disposed on both sides of the first nozzle group in a nozzle arrangement direction, and is formed of nozzles for ejecting liquid droplets having the same characteristics as liquid droplets of the first nozzle group and ejecting a smaller amount of the liquid than an amount of the liquid droplets ejected from the first nozzle group. An aperture size of each nozzle constituting the second nozzle group is smaller than that of each nozzle constituting the first nozzle group.04-01-2010
20080259119INK JET HEAD - An ink jet head includes an elongated ink supply port extending in a longitudinal direction and a plurality of head groups arranged in a transverse direction crossing with the longitudinal direction. A first array of ink ejection outlets is disposed along one lateral side of an ink supply port, and second and third arrays of ink ejection outlets are disposed along the other lateral side of the ink supply port, wherein widths L10-23-2008
20100045736MODULAR MICRO-FLUID EJECTION HEAD ASSEMBLY - A micro-fluid ejection head assembly and methods for fabricating micro-fluid ejection heads using separately fabricated electrical components. The micro-fluid ejection head has at least one base substrate, at least one fluid ejector actuator substrate attached to the base substrate; and at least a first logic component substrate hermetically sealed to the base substrate. The fluid ejector actuator substrate and the first logic component substrate are in electrical communication with each other.02-25-2010
20130027467MULTI-MEMBER, NESTED PRINTHEAD - A printhead comprises a first member and a second member, formed separately from the first member. The second member is nested within a first space defined by the first member. A plurality of fluidic transmission channels is formed between the first and second members to convey ink to an outer surface of the first and second members.01-31-2013
20130027466INKJET PRINTHEAD WITH LAYERED CERAMIC MOUNTING SUBSTRATE - An inkjet printhead includes a printhead die including: a first nozzle array that is configured to be fed with ink by a first ink feed; and a second nozzle array that is configured to be fed with ink by a second ink feed; and a mounting substrate including: a surface to which the printhead die is attached; a first layer including a first ink channel having an opening disposed at the surface; a second layer including a second ink channel having an opening disposed at the surface; and a third layer disposed between the first layer and the second layer, wherein the printhead die is attached to the first layer, the second layer and the third layer, and wherein the first ink channel opening is fluidically connected to the first ink feed, and the second ink channel opening is fluidically connected to the second ink feed.01-31-2013
20100328397HEAD UNIT, LIQUID DROPLET DISCHARGING APPARATUS, METHOD FOR DISCHARGING LIQUID, AND METHODS FOR MANUFACTURING COLOR FILTER, ORGANIC EL ELEMENT AND WIRING SUBSTRATE - A head unit includes a plurality of nozzle groups. Each group has a plurality of nozzles discharging liquid as liquid droplets. The nozzles are arranged at an approximately equal distance from one another when viewed from a first direction. The nozzle groups are arranged at the distance when viewed from the first direction and in a direction intersecting with the first direction, and adjacent nozzles of the nozzle groups adjacent when viewed from the first direction discharge an approximately equal amount of the liquid droplet.12-30-2010
20120182349LIQUID EJECTING HEAD UNIT AND LIQUID EJECTING APPARATUS - The head unit includes: a recording head; and a sub-carriage to which the recording head is fixed in a state where spacers are interposed therebetween, wherein each spacer has a spacer main body portion having a base surface which comes into contact with the sub-carriage, and back end-side protrusion portions, reference plane protrusion portions, and leading end-side protrusion portions, which are convex portions that rise from the spacer main body portion to direct toward the flange portion side, to which the spacer is fixed, from the sub-carriage side and which are respectively formed toward a leading end portion of the flange portion in relation to a direction of the nozzle row, at both end portions in a width direction perpendicular to the nozzle row of the recording head, each reference plane protrusion portion has a surface that becomes a reference plane which comes into contact with the flange portion.07-19-2012
20130050338INKJET HEAD AND METHOD OF MANUFACTURING THE INKJET HEAD - According to one embodiment, an inkjet head includes a base including a mounting surface, an orifice plate, and a first driving element. The orifice plate includes a plurality of orifices. An ink chamber between the orifice plate and the base is configured to be supplied ink. The first driving element is arranged in the ink chamber and includes a plurality of first pressure chambers to which the orifices are opened and a plurality of first dummy chambers covered with the orifice plate, both ends of the first pressure chambers being opened to the ink chamber, both ends of the first dummy chambers being opened to the ink chamber, and the first dummy chambers being arranged alternately with the plurality of first pressure chambers.02-28-2013
20100002051INKJET PRINTHEAD FOR USE IN IMAGE FORMING APPARATUS - An inkjet printhead includes multiple head modules and a mount base. The multiple head modules each includes a laminate unit containing a nozzle to eject ink in droplets and an ink chamber in fluid communication with the nozzle. The multiple head modules are mounted on the mount base. The mount base defines a first contact surface facing a first direction in which the ink is ejected. Each laminate unit defines a second contact surface facing a second direction opposite to the first direction. The first and second contact surfaces are held in contact with each other to position each head module in the mount base.01-07-2010
20100002050PRINT HEAD MOUNTING ASSEMBLY AND METHOD FOR MOUNTING A PRINT HEAD ONTO A CARRIAGE FRAMEWORK - A print head mounting assembly and a method of mounting and positioning a print head on a print head carriage framework suitable for mounting in a printing system includes a print head positioning device for receiving a print head, and a print head mounting tile having a mounting surface for mounting the print head positioning device. The print head mounting tile is adjustably mounted on the print head carriage framework such that it provides a mounting surface for the print head positioning device that is level with a reference printing surface, when the print head carriage framework is mounted in the printing system. The print head positioning device is adjustably mounted on the print head mounting tile such that the print head, being received in the print head positioning device, is accurately positioned on the mounting surface of the print head mounting tile.01-07-2010
20100053265ARRAY TYPE INKJET PRINT HEAD AND IMAGE FORMING APPARATUS HAVING THE SAME - An array type inkjet print head includes an ink cartridge to store ink, at least one print head chip disposed on a base of the ink cartridge to project from the base, the at least one print head chip to fire the ink, a flat plate cover disposed on the base of the ink cartridge and to have at least one opening corresponding to the at least one print head chip, and an adhesive member disposed between the base of the ink cartridge and the flat plate cover to fix the flat plate cover to the base of the ink cartridge. The flat plate cover is formed of either a metal material or a ceramic material.03-04-2010
20090303286Printhead For Wide Format High Resolution Printing - A printhead is provided having a plurality of printhead integrated circuits defining an elongate printing zone of at least 914 mm, each printhead integrated circuit incorporating a plurality of ejection nozzles, and control circuitry connected to the printhead integrated circuits to control12-10-2009
20120218350LIQUID EJECTION HEAD AND PROCESS FOR PRODUCING THE SAME - Provided is a process for producing a liquid ejection head including an ejection orifice member having a plurality of ejection orifices for ejecting liquid provided along an arrangement direction, the process including preparing a substrate provided with a resin layer which contains a photocurable resin;carrying out a first exposure treatment and a second exposure treatment which are each of an exposure treatment of subjecting the resin layer to exposure; and forming the ejection orifices of the resin layer subjected to the first exposure treatment and the second exposure treatment. An inclination angle of a side wall of the ejection orifices formed by the first exposure treatment with respect to the substrate differs from an inclination angle of a side wall of the ejection orifices formed by the second exposure treatment with respect to the substrate.08-30-2012
20120218351INKJET PRINTHEAD FOR USE IN IMAGE FORMING APPARATUS - An inkjet printhead includes multiple head modules and a mount base. The multiple head modules each includes a laminate unit containing a nozzle to eject ink in droplets and an ink chamber in fluid communication with the nozzle. The multiple head modules are mounted on the mount base. The mount base defines a first contact surface facing a first direction in which the ink is ejected. Each laminate unit defines a second contact surface facing a second direction opposite to the first direction. The first and second contact surfaces are held in contact with each other to position each head module in the mount base.08-30-2012
20130057617LIQUID DROPLET JETTING APPARATUS - There is provided a liquid droplet jetting apparatus including: a transporting mechanism; and a head moving mechanism configured to move the second liquid droplet jetting head between a first position facing the one surface of the object and a second position facing the other surface of the object. Under a condition that the second liquid droplet jetting head is arranged at the first position, a first nozzle row and a second nozzle row are arranged such that each of first nozzles is overlapped with one of second nozzles with respect to a nozzle-row direction.03-07-2013
20130057616INK JET RECORDING METHOD AND RECORDING MATTER - An ink jet recording method according to an aspect of the invention includes: discharging droplets of a glitter ink composition containing a glitter pigment onto a recording medium to form a glitter region on the recording medium; and discharging a colored ink composition containing a colorant onto the glitter region to form a colored glitter region on the recording medium, wherein when light is irradiated on the colored glitter region at an angle of 45 degrees, with a normal direction with respect to the colored glitter region as 0 degrees, the ratio [(C*45°)/(C*0°)] between the saturation of the colored glitter region measured based on light reflected at an angle of −45 degrees (C*45°) and the saturation of the colored glitter region measured based on light reflected at an angle of 0 degrees (C*0°) is equal to or greater than 1.03-07-2013
20090091598Printhead Assembly With Reference Features - A printhead assembly comprises at least one printhead integrated circuit having a plurality of ink ejection nozzles; and an ink distribution support mounting the at least one printhead integrated circuit, the ink distribution support being arranged to distribute ink to the nozzles, the printhead assembly being arranged to be mounted to a printer at the ink distribution support. The ink distribution support is provided with a plurality of reference features, the plurality of reference features serving to provide information on the location of the nozzles upon mounting of the printhead assembly to the printer. The plurality of reference features include a flat surface provided at each corner of the ink distribution support, and a slot in a mounting zone of the ink distribution support.04-09-2009
20110063368Multi inkjet head package, inkjet recording apparatus using the same, and method of aligning the same in inkjet recording apparatus - There is provided a multi inkjet head package. The multi inkjet head package may include: a plurality of inkjet head assemblies each having a head plate in which an inkjet head discharging ink is housed; a rack in which the head plate is housed so as to expose the inkjet head; and a preliminary fixation portion that is installed on the rack and allows the head plate to be preliminarily fixed to the rack.03-17-2011
20130063522INKJET HEAD AND INKJET RECORDING APPARATUS - According to one embodiment, an inkjet head includes nozzle rows. Each of the nozzle rows includes nozzles. The nozzles are arranged at a fixed pitch in a direction orthogonal to a conveying direction of a recording medium and arranged spaced apart from one another in the conveying direction in each of the nozzle rows. At least one nozzle located at one end of each of the nozzle rows is provided on an upstream side along the conveying direction than another nozzle provided closest to the nozzle in an arraying direction of the nozzles. At least one nozzle located at the other end of each of the nozzle rows is provided on a downstream side along the conveying direction than another nozzle provided closest to the nozzle in the arraying direction of the nozzles.03-14-2013
20090237450Inkjet Printhead and Printhead Nozzle Arrangement - A printhead for an inkjet printer comprises a wafer assembly defining spaced apart groups of ink supply channels; and groups of ink ejection nozzle arrangements extending from the wafer assembly and in fluid communication with respective ink supply channel groups, each group of ink ejection nozzle arrangements comprising a pair of rows of ink ejection nozzle arrangements. Each nozzle arrangement includes an ink ejection head from which an actuator tail extends. Each pair of rows of ink ejection nozzle arrangements are arranged such that the ink ejection heads of the ink ejection nozzle arrangements in a first row of the pair face toward and are adjacent to the ink ejection heads of the ink ejection nozzle arrangements in a second row.09-24-2009
20090237449INKJET PRINTHEAD HAVING AN ARRAY OF DISPLACABLE NOZZLES - An inkjet printhead with an array of nozzle assemblies 09-24-2009
20130162716LIQUID EJECTION HEAD - A liquid ejection head, including a plurality of pressure chambers respectively communicating with a plurality of ejection orifices for ejecting a liquid, for storing the liquid to be ejected from the plurality of ejection orifices, at least a part of a wall portion forming each of the plurality of pressure chambers being formed of a piezoelectric member, the plurality of pressure chambers causing the plurality of ejection orifices to eject the liquid by deformation of the piezoelectric member; and a plurality of space portions arranged in parallel to the plurality of pressure chambers at intervals with respect to the plurality of pressure chambers, some of the plurality of space portions being decompressable, wherein a gas permeable member is provided between the pressure chambers and the decompressable space portions so that a gas inside the pressure chambers is exhausted via the decompressable space portions.06-27-2013
20090046124INK JET PRINTING APPARATUS AND INK JET PRINTING METHOD - An ink jet printing apparatus is provided which is capable of producing an image with a good balance between image quality and printing speed, without unduly shortening a longevity of a print head, even when an odd-numbered-pass bidirectional printing is performed. To this end, during a bidirectional multi-pass printing with a relatively small number of passes, a stepping mask is used to eliminate image problems caused by a difference in print permitted ratio between forward scan and backward scan. During a bidirectional multi-pass printing with a relatively large number of passes, a flat mask is used to give priority to suppressing density unevenness resulting from nozzle characteristic variations. As a result, the printing apparatus as a whole can produce an image with a good balance between image quality and printing speed, without unduly shortening a longevity of the print head.02-19-2009
20120113190DEVICE FOR POSITIONING AT LEAST ONE PRINT BAR IN A PRINTING POSITION IN AN INKJET PRINTING APPARATUS - In a print bar system or method in which at least one print bar is positioned in a printing position, first and second drive and guidance units are provided for the print bar and which each have an adjustable guidance unit and a first coupling unit. The print bar has print bar receptacles with adjustable positioning pins. The guidance units and the print bar receptacles are designed such that upon insertion of the print bar into the drive and guidance units the print bar receptacles rest in a floating bearing on the guidance units and are centered and arrested after displacement of the guidance units in the drive and guidance units such that the print bar is positioned into the printing position in the drive and guidance units and wherein the positioning pins engage in the first coupling units.05-10-2012
20120113189LIQUID EJECTING HEAD, LIQUID EJECTING HEAD UNIT, LIQUID EJECTING APPARATUS, AND METHOD OF MANUFACTURING LIQUID EJECTING HEAD - A liquid ejecting head includes: a head main body including a nozzle opening that ejects a liquid; and a fixed plate fixed to a liquid ejecting surface of the head main body, and including an exposure opening, the nozzle opening of the head main body being formed in the liquid ejecting surface of the head main body, the nozzle opening of the liquid ejecting surface being exposed to the exposure opening. A positioning hole open to the liquid ejecting surface and positioned with respect to the nozzle opening is provided in the head main body. The fixed plate is fixed to the liquid ejecting surface so as to close the positioning hole. The fixed plate includes an extension portion protruding from the liquid ejecting surface. At least two head positioning holes are provided in the extension portion.05-10-2012
20130162717FLUID NOZZLE ARRAY - A method for fabricating a fluid nozzle array includes forming a circuitry layer onto a substrate, the substrate comprising a stopping layer disposed between a membrane layer and a handle layer, forming a fluid feedhole extending from a surface of the membrane layer to the stopping layer, and forming a fluid supply trench extending from a surface of the handle layer to the stopping layer. A fluid nozzle array includes a substrate including a membrane layer, a stopping layer adjacent to the membrane layer, a handle layer adjacent to the stopping layer, and a set of fluid chambers disposed on a surface of the membrane layer above and along a width of a fluid supply trench extending from a surface of the handle layer to the stopping layer.06-27-2013
20110298863MULTICOLOR ELECTRONIC DEVICES AND PROCESSES OF FORMING THE SAME BY PRINTING - There is provided a method of printing a regular array of rows of subpixels on a workpiece. The subpixels have c different colors and have a subpixel pitch s. A printing head has z nozzles arranged in a row with a spacing p, where z=n12-08-2011
20110292121MEMS INTEGRATED CIRCUIT HAVING BACKSIDE CONNECTIONS TO DRIVE CIRCUITRY VIA MEMS ROOF LAYER - A MEMS integrated circuit includes a silicon substrate having a frontside with a drive circuitry layer and a backside. A MEMS layer is disposed on the drive circuitry layer. The MEMS layer includes a plurality of MEMS devices electrically connected to the drive circuitry layer. Connector posts extends from the drive circuitry layer to a contact pad positioned in a roof of the MEMS layer and through-silicon connectors extending linearly from the contact pad, through the drive circuitry layer and the silicon substrate, towards the backside of the silicon substrate. Each through-silicon connector terminates at a backside integrated circuit contact, such that each integrated circuit contact is electrically connected to the drive circuitry layer via the contact pad positioned in the roof of the MEMS layer.12-01-2011
20110292120MEMS INTEGRATED CIRCUIT HAVING BACKSIDE INTEGRATED CIRCUIT CONTACTS - A MEMS integrated circuit includes a silicon substrate having a frontside with a drive circuitry layer and a backside. A MEMS layer is disposed on the drive circuitry layer. The MEMS layer includes a plurality of MEMS devices electrically connected to the drive circuitry layer. Integrated circuit contacts are positioned at a backside of the substrate. The integrated circuit contacts are electrically connected to the drive circuitry layer via respective connector rods extending through the substrate.12-01-2011
20080309709Liquid Ejection Device and Liquid Ejection Method - A liquid ejection device includes a plurality of deep nozzle lines each having a plurality of nozzles in a predetermined direction, for ejecting a first liquid, and a smaller number of light nozzle lines than the number of the deep nozzle lines, each having a plurality of nozzles in the predetermined direction, for ejecting a second liquid having a lighter color depth than the first liquid. A controller forms deep dots on pixels on a medium using the plurality of deep nozzle lines, and forms light dots on a smaller number of pixels than the number of the pixels on which the deep dots are formed using the smaller number of light nozzle lines.12-18-2008
20080309708MIXING APPARATUS, DISPERSION MANUFACTURING APPARATUS AND DISPERSION MANUFACTURING METHOD - A mixing apparatus including a plurality of nozzle groups each formed of nozzles for ejecting the same fluid arranged in group, the nozzles being provided with openings for ejecting fluid, to cause the plurality of nozzle groups to separately eject a plurality of fluids to mix the fluids in areas on the extending lines of the nozzles, wherein the openings of the nozzles forming the nozzle groups are arranged along annular loci and the plurality of nozzle groups are arranged coaxially to each other, a plurality of supplying channels for supplying the plurality of fluids to the nozzle groups corresponding to the plurality of nozzle groups are annular in cross section in the direction perpendicular to the direction in which fluid supplied to the supplying channels flows and arranged coaxially to each other.12-18-2008
20090278893Variable-Volume Nozzle Arrangement - A nozzle arrangement for an inkjet printhead includes a substrate assembly defining an ink inlet; a static ink ejecting member extending from the substrate assembly and bounding the ink inlet; an active ink ejecting member having a roof and sidewalls that depends from the roof towards the substrate, the roof defining an ink ejection port and the active ink ejecting member movably located relative to the static ink ejecting member to define a variable-volume nozzle chamber; and an actuator arrangement configured to reciprocate the active ink ejection member relative to the static ink ejecting member to eject ink in the nozzle chamber out through the ink ejection port. The static ink ejecting member is located within bounds delimited by the sidewalls of the active ink ejecting member.11-12-2009
20090273634Printhead Integrated Circuit With Thin Nozzle Layer - An inkjet printhead that has an array of droplet ejectors supported on a printhead integrated circuit (IC). Each of the droplet ejectors has a nozzle aperture and an actuator for ejecting a droplet of ink through the nozzle aperture. The array has a nozzle aperture density of more than 100 nozzle apertures per square millimetre and all the nozzle apertures are formed in a printhead surface layer on one face of the printhead IC.11-05-2009
20090189950LIQUID BODY DISCHARGE DEVICE AND METHOD FOR DISCHARGING LIQUID BODY - A liquid body discharge device includes: a head; and a plurality of nozzles provided to the head. In the device, a liquid body is discharged from the plurality of nozzles to a liquid body discharged region of a substrate by moving one of the substrate and the head, and the nozzles are aligned in a first alignment direction and a second alignment direction.07-30-2009
20090189949METHOD FOR ARRANGING PRINT HEAD CHIPS - A method for arranging print head chips, includes: (a) setting a first fiducial mark and a second fiducial mark on a PCB for determining coordinate positions of a plurality of array units that are arranged on the PCB and calculating a print range of the array units, wherein each array unit has a plurality of spots that are transversely arranged from the first one of the spots to the last one of the spots in sequence; (b) setting a third fiducial mark as a start point for arranging the first spot of a first array unit of the array units on the PCB; and (c) arranging other array units on the PCB in sequence according to the coordinate positions and the start point.07-30-2009
20120139995Printer Fluid Change Manifold - A system is disclosed. The system includes a print engine having one or more ink jet print heads and ink lines coupled to provide ink to each of the print heads. The system also includes a fluid change manifold coupled to the ink lines to remove fluid from the print engine via the ink lines.06-07-2012
20090153616Low Profile Printhead - An inkjet printhead having a housing having a top face and a bottom face, an ink ejection device and a contact circuit. The contact circuit is affixed to the housing in a substantially horizontal orientation and is in communication with the ink ejection device. The contact circuit is configured to connect the ink ejection device to an external device.06-18-2009
20100007696THREE-DIMENSIONAL OBJECT PRINTING - A volume element (voxel) printing system for printing a three-dimensional object is provided. The system includes a first printhead group, at least one second printhead group, a conveyor and a control system. The first printhead group includes a plurality of first printheads configured to print a first voxel layer on a substrate. The second printhead group includes a plurality of second printheads located downstream from the first group and configured for printing a subsequent voxel layer on at least part of the first layer. The second printheads are reconfigurable as backup printheads for the first printheads in case of failure. The conveyor is configured to operatively convey the substrate past the printhead groups. The control system controls and monitors the printhead groups and the conveyor, and is configured to dynamically reconfigure the second printheads if failure of a first printhead is detected.01-14-2010
20090213175Printhead Assembly Having Printhead Recessed In Channel Body - The present invention relates to a printhead assembly. The printhead assembly comprises an ink supply module for supplying at least one ink. There is also provided a body defining at least one ink channel. In use, the body interfaces with the ink supply module so that a respective ink is supplied from the ink supply module to a corresponding channel. The printhead assembly also comprises a printhead which, in turn, comprises at least one set of ink inlets. In use, the printhead interfaces with the body so that a respective ink is supplied from a respective channel to a corresponding set of ink inlets. A printing device comprising the printhead assembly is also provided.08-27-2009
20100079545Image forming apparatus - An image forming apparatus for a printer forms images by injecting inks on a printing paper being fed on a feeding path. The image forming apparatus comprises a head holder surface provided on the feeding path with being opposed to a surface of the feeding path and a plurality of ink heads for injecting inks from injection ports thereof. Here, the injection ports of the plurality of ink heads are projected outward from the head holder surface. The image forming apparatus can achieve further downsizing and multifunctional capability and improve quality of higher pixelated printed images. In addition, the image forming apparatus can prevent negative effects such as ink injection failures or defacement of printed matters due to ink mists made on injecting ink.04-01-2010
20100079542INCLINED FEATURE TO PROTECT PRINTHEAD FACE - A printhead has a substrate with a mounting surface for a printhead die. The printhead die includes a first face bonded to the mounting surface of the substrate and a second face opposite the first face. The second face including at least one array of marking elements disposed along a marking element array direction. An edge of the printhead die is substantially parallel to the marking element array direction. An inclined surface is positioned proximate to, but not overlapping the edge of the printhead die, wherein a distance from the inclined surface to the mounting surface of the substrate at a first location is greater than a distance from the inclined surface to the mounting surface of the substrate at a second location, the first location also being nearer the edge of the printhead die that is substantially parallel to the marking element array direction than the second location.04-01-2010
20100079544DROPLET EJECTION APPARATUS AND IMAGE FORMING APPARATUS - The droplet ejection apparatus includes: a droplet ejection head which has a plurality of nozzles arrayed two-dimensionally, droplets of liquid being ejected from the nozzles and deposited onto an image-rendering medium to form dots on the image-rendering medium; and a relative movement device which moves the droplet ejection head and the image-rendering medium relatively to each other in a relative movement direction, wherein: the droplet ejection head has a nozzle arrangement in which, out of the plurality of nozzles, a row of nozzles sharing a same liquid supply flow channel is divided into M (where M is an integer greater than one) nozzle group blocks and positions of all of the nozzles within each nozzle group block are shifted in the relative movement direction so as to provide a predetermined positional difference in the relative movement direction to the positions of the nozzles between the M nozzle group blocks, and the nozzle arrangement in which the nozzles are arrayed two-dimensionally is configured such that, between dots formed on the image-rendering medium by adjacent nozzles within a certain one nozzle row, at least one dot formed by a nozzle within another nozzle row is arranged so that the dots formed by the adjacent nozzles within the one nozzle row are arranged with an interval of N (where N is an integer greater than one) dots; the droplet ejection apparatus comprises M ejection drive devices which independently perform ejection control on the respective M nozzle group blocks; and the ejection drive devices carry out ejection drive on the nozzles within the same nozzle group block at ejection timing of a same phase, and also carry out ejection drive on the nozzles in different nozzle group blocks at different ejection timings with a phase difference corresponding to the positional difference.04-01-2010
20100091067LIQUID RECORDING HEAD - A liquid recording head includes an element substrate on which ejection energy generating elements for generating energy for ejecting droplets of liquid are provided in a staggered arrangement; ejection outlets provided opposed to the ejection energy generating elements; ejection energy generation chambers enclosing the ejection energy generating elements; and a flow path constituting member constituting first and second nozzles for supplying the liquid into the ejection energy generation chamber, wherein the second nozzles have flow path lengths shorter than those of the first nozzle, and the first and second nozzles are arranged alternately, wherein an average height of the path of the first nozzles is larger than that of the second nozzles.04-15-2010
20090273631Liquid ejecting apparatus - A liquid ejecting apparatus includes a first head having a first nozzle group in which nozzles from which a first liquid is ejected are aligned in a nozzle-row direction at a predetermined pitch and a second nozzle group in which nozzles from which a second liquid is ejected are aligned in the nozzle-row direction at the predetermined pitch, the nozzles in the first nozzle group being positioned between the nozzles in the second nozzle group in the nozzle-row direction; a second head having a third nozzle group in which nozzles from which the first liquid is ejected are aligned in the nozzle-row direction at the predetermined pitch and a fourth nozzle group in which nozzles from which the second liquid is ejected are aligned in the nozzle-row direction at the predetermined pitch, the nozzles in the third nozzle group being positioned between the nozzles in the fourth nozzle group in the nozzle-row direction; and a moving mechanism that moves the first head and the second head relative to a medium in a direction intersecting the nozzle-row direction. In the nozzle-row direction, the nozzles in the third nozzle group are positioned between the nozzles in the first nozzle group, and the nozzles in the fourth nozzle group are positioned between the nozzles in the second nozzle group.11-05-2009
20090002440Inkjet Printer With Droplet Stem Anchor - An inkjet printer that has an array of ink chambers, each with a nozzle, a droplet stem anchor and a thermal actuator. The thermal actuator generates a vapour bubble in the ink chamber to eject ink through the nozzle. The thermal actuator has a plurality of heater elements connected in parallel with a cross bracing structure extending between the heater elements. The cross bracing structure also providing the droplet stem anchor. During use, the vapour bubble generated by the thermal actuator grows until it vents to atmosphere through the nozzle and the ink ejected from the nozzle is attached to the droplet stem anchor by an ink stem until the stem breaks and the ejected ink forms a separate drop.01-01-2009
20090273632Printhead Integrated Circuit With Large Nozzle Array - An inkjet printhead that has an array of droplet ejectors supported on a single printhead integrated circuit (IC). Each of the droplet ejectors has a nozzle aperture and an actuator for ejecting a droplet of ink through the nozzle aperture. The array has more than 2000 droplet ejectors and all the nozzle apertures are formed in a printhead surface layer on one face of the printhead IC.11-05-2009
20090278891Printhead IC With Filter Structure At Inlet To Ink Chambers - An inkjet printhead that has an array of droplet ejectors supported on a printhead integrated circuit (IC). Each of the droplet ejectors has a nozzle aperture and an actuator for ejecting a droplet of ink through the nozzle aperture. Each of the droplet ejectors has a chamber in which the actuator is positioned, the chamber having an inlet for fluid communication with an ink supply. A filter structure in positioned the inlet to inhibit ingress of contaminants into the chamber.11-12-2009
20090278892Printhead IC With Small Ink Chambers - An inkjet printhead that has an array of droplet ejectors supported on a printhead integrated circuit (IC). Each of the droplet ejectors has a nozzle aperture and an actuator for ejecting a droplet of ink through the nozzle aperture. Each of the droplet ejectors also has a chamber in which the actuator is positioned, the chamber having a volume less than 30,000 microns cubed.11-12-2009
20090278890PRINT ELEMENT SUBSTRATE, PRINTHEAD, AND PRINTING APPARATUS - This invention is directed to allow efficiently transferring data to each print element (heater) and efficiently laying out circuits in an element substrate including plural heater arrays in which different numbers of heaters are arranged. This substrate includes: a first array having a relatively large number of heaters; and a second array which is equal in length to the first array and has a relatively small number of heaters. These arrays are juxtaposed. The substrate further includes plural shift registers equal in number to the heater arrays of the substrate. The shift registers include a shift register which holds some data for driving the heaters of the first heater array, and data for driving the heaters of the second heater array. The shift registers further include a shift register which holds data other than some data for driving the heaters of the first heater array.11-12-2009
20090278889PRINT CONTROLLING METHOD AND RELATED PRINTER - A print controlling method is applied to a printer. The printer includes a plurality of nozzles, wherein each nozzle is respectively driven by one of a plurality of address lines. The print controlling method includes dividing the plurality of address lines into M groups, wherein M is a positive integer; and enabling the address lines belonging to one of the M groups to drive the corresponding nozzles during each slice period, wherein the address lines enabled at adjacent slice periods correspond to different groups.11-12-2009
20090295868Printhead Having Ejection Nozzles Over Wide Printing Zone - A printhead is provided having an elongate carrier, a plurality of ejection nozzle integrated circuits mounted on the carrier, and control circuitry positioned on the carrier and operatively connected to the ejection nozzle integrated circuits to control operation thereof. The mounted ejection nozzle integrated circuits have more than 150,000 ejection nozzles12-03-2009
20090295867LIQUID EJECTING HEAD UNIT AND LIQUID EJECTING APPARATUS - A liquid ejecting head unit including a plurality of liquid ejecting heads is disclosed. A platform on which the plurality of the liquid ejecting heads are mounted in a staggered arrangement in the first direction, each liquid ejecting head being partially adjacent to each in a second direction, which is orthogonal to first direction. A common trunk passage communicates with the liquid passage ports. A plurality of branch passages communicates with the trunk passage. A plurality of branch circuit wiring sections connects to connectors of the liquid ejecting heads. The plurality of liquid ejecting heads are mounted such that liquid passage ports of each partially adjacent liquid ejecting head are not adjacent to each other in a second direction, and such that the connectors of each partially adjacent liquid ejecting head are not adjacent to each other in the second direction.12-03-2009
20090295866Printbar Support Mechanism - A web press printer includes a printbar supporting an array of printheads extending across a media web. The printbar includes a support member coupled to the printbar via one or more biasing mechanisms to locally counteract a deflection of the printbar at a location of one or more of the respective printheads along the printbar.12-03-2009
20100201745Printhead Assembly - A printhead assembly includes an elongate support structure; a series of wall sections extending a length of a first surface of the elongate support structure, the series of wall sections delineating ink supply channels therebetween; a plurality of carriers positioned end-to-end in the gap and supported by said edges of the walls, the carriers defining therethrough ink supply passages in fluid communication with the ink supply channels; a printhead integrated circuit mounted on each carrier to receive ink from respective ink supply channels; and a serrated channel extending a length of a second surface of the elongate support structure, the serrated channel for receiving fastening means therein.08-12-2010
20100201744INKJET RECORDING HEAD - A liquid jet recording head includes a substrate including a plurality of discharge energy generating elements, and a plurality of ink supply ports positioned along an array direction of the plurality of discharge energy generating elements and separated from each other by beams, a plurality of ribs supported by the beams, and an orifice plate supported by the plurality of ribs, wherein the orifice plate includes discharge ports for discharging liquid droplets which enter from the plurality of ink supply ports and is provided with discharge energy by the plurality of discharge energy generating elements.08-12-2010
20080266353HEAD UNIT AND INK-JET RECORDING APPARATUS HAVING THE SAME - A head unit comprises: first and second heads, each having an ink ejecting face including a nozzle group, the nozzle group including plural nozzle rows extending in a first direction and arranged in a second direction orthogonal, each nozzle row including a plurality of nozzles for ejecting ink arranged along the first direction at a predetermined interval; and a holder for holding the first and second heads. Each of the nozzle groups of the first and second heads includes a rectangular region in which the plurality of nozzles are arranged apart at a predetermined distance in the first direction to form a rectangular shape. The first and second heads are held by the holder in parallel with each other so that the plurality of nozzles included in the rectangular regions of the first and second heads, respectively, are arranged apart at the predetermined distance in the first direction.10-30-2008
20080231657Thermal Printing With Laser Activation - Methods and apparatus for implementing thermal printing techniques onto thermally sensitive print media use one or more laser arrays to provide optical heating. Technique for alignment of multiple monolithic arrays onto a common carrier are described, the axis of the at least one laser array being disposed obliquely to a transport direction of print media.09-25-2008
20080278539HEADCHIP AND HEAD FOR ARRAY TYPE INKJET PRINTER - A headchip and a head of an array type inkjet printer. The headchip of the array type inkjet printer according to an exemplary embodiment of the present general inventive concept includes an ink supply unit which is arranged into first nozzle groups and second nozzle groups according to colors, and a power supply unit to supply power to the plurality of first and second nozzle groups in an alternate order, in which the first and second nozzle groups for one color and the first and second nozzle groups for another color closest in proximity to the one color, are connected using one power line. Accordingly, a voltage drop may be avoided when the plurality of nozzles are driven at the same time.11-13-2008
20080284818MONOLITHIC PRINTHEAD WITH MULTIPLE ROWS OF INKJET ORIFICES - An inkjet apparatus and method are provided. The inkjet printing apparatus includes a dual row of ink orifices in an integral inkjet printhead. The method provides ink streams with more nozzles per inch in the widthwise direction on a paper without alignment problems and without the need to utilize very small droplets of ink.11-20-2008
20080291243INK JET PRINT HEAD, METHOD FOR MANUFACTURING INK JET PRINT HEAD, AND PRINTING APPARATUS - An ink jet printing apparatus and an ink jet printing method which use a print head having a plurality of ejection port rows to enable high-quality printing without causing uneven density in a conveying direction by varying the printing distribution ratio of the ejection port rows in the print head depending on gray level.11-27-2008
20080303862Liquid droplet jetting apparatus and recording apparatus - A liquid droplet jetting apparatus includes a common liquid chamber to which the liquid is supplied, a plurality of pressure chambers which communicate with the common liquid chamber and which cause a pressure change in the liquid, a plurality of nozzles which jet the droplets of the liquid, a pressure attenuation chamber which has a throttled portion having a cross-sectional area smaller than that of the common liquid chamber, and an attenuation portion having a cross-sectional area greater than that of the throttled portion, the attenuation portion being connected to one end portion of the common liquid chamber via the throttled portion, a discharge port formed in the pressure attenuation chamber, a discharge channel connected to the discharge port, and having a throttle in which a channel area of the discharge channel is decreased, and a dummy nozzle connected to the discharge port via the discharge channel.12-11-2008
20120033013SCALABLE INKJET PRINTHEAD ARCHITECTURE AND METHOD OF MANUFACTURE - A method of manufacturing a printhead includes connecting an ink supply and driving electronics to a predetermined number of inkjet ejector sites. Each ejector site includes a fluid inlet and an electrical connector. The predetermined number of ejector sites connected to the ink supply and driving electronics is less than the total number of ejector sites available for use in the printhead.02-09-2012
20080316257Ink-jet head having passage unit and actuator units attached to the passage unit, and ink-jet printer having the ink-jet head - An ink-jet head having a passage unit including pressure chambers each having one end coupled to a nozzle and the other end to be coupled to an ink supply source. The pressure chambers are arranged along a plane to neighbor each other. The ink-jet head further includes actuator units attached to a surface of the passage unit for changing the volume of each pressure chamber. Each actuator unit includes pressure generation portions respectively corresponding to pressure chambers, and is formed to extend over the pressure chambers. The actuator units are arranged along the longitudinal direction of the passage unit so that each neighboring actuator units partially overlap each other in the lateral direction of the passage unit. Each actuator unit has a basic region where many pressure generation portions are formed in a matrix, and an additional region neighboring the basic region in the lateral direction of the passage unit. In the additional region, pressure generation portions are formed to correspond to a gap portion between the pressure generation portions in the basic region of the actuator unit and the pressure generation portions in the basic region of another actuator unit neighboring that actuator unit.12-25-2008
20110007113INKJET PRINTING APPARATUS - An inkjet printing apparatus which enables printing with high print quality is provided. For that purpose, a pair of airflow guides are provided at intermediate positions between each adjacent two of the printing heads arrayed in a travelling direction of a carriage, the pair of the airflow guides respectively located right and left in a direction perpendicular to the travelling direction of the carriage.01-13-2011
20090058929PRINTHEAD ASSEMBLY WITH SUPPORT PERMITTING FASTENING OF PCB EXTERNAL THERETO - A printhead assembly comprises an elongate support structure; a series of side wall sections extending a length of the support structure and defining ink supply channels, edges of the walls delineating a gap; a plurality of carriers positioned end-to-end in the gap and supported by said edges of the walls, the carriers defining a recess and ink supply passages in fluid communication with the recess and the ink supply channels; and a printhead integrated circuit mounted in each recess to receive ink from the ink supply channels. The elongate support structure is configured to permit a printed circuit board (PCB) to be fastened to an outside of the support structure so that the PCB can be connected to the printhead integrated circuits.03-05-2009
20090160906LIQUID JET HEAD, LINE TYPE LIQUID JET HEAD, PRINTER, LINE TYPE PRINTER AND FILM FORMING APPARATUS - A liquid jet head includes: a plurality of unit heads, wherein each of the unit heads has a nozzle forming region and a plurality of nozzle apertures arranged in a first direction in the nozzle forming region, the plurality of unit heads being laminated in a manner that the nozzle forming regions are shifted from one another in a second direction orthogonal to the first direction, wherein the unit heads are laminated in a third direction orthogonal to the first direction and the second direction, and liquid is ejected in a fourth direction between the second direction and the third direction.06-25-2009
20090160905LIQUID DROPLET EJECTING APPARATUS - A liquid droplet ejecting apparatus, comprising: a plurality of liquid droplet ejecting heads arranged in parallel to each other, and the liquid droplet ejecting heads having the same liquid droplet ejectable width, and at least one of the liquid droplet ejecting heads being shifted in a widthwise direction of the liquid droplet ejectable width with respect to other liquid droplet ejecting heads, the liquid droplet ejecting apparatus having the following relationship: an image quality assured width06-25-2009
20090128601Inkjet Drop Ejection Apparatus With Radially Extending Thermal Actuators - An inkjet drop ejection apparatus comprises an array of ink ejection nozzles; a chamber corresponding to each ink ejection nozzle and for storing ink; and a plurality of actuators provided on top of each chamber, the actuators radially extending out from a common centre and defining an ink ejection port at the common centre. Each actuator is comprised of first material of surrounding a conductive core of a second material. Each actuator is adapted to bend inward with respect to the chamber when heated.05-21-2009
20110205300Translation to rotation conversion in an inkjet printhead - A printhead chip for an inkjet printhead includes a substrate (08-25-2011
20090002441INK-JET HEAD AND HEAD UNIT - An ink-jet head includes a nozzle array including plural nozzles. The nozzle array has a first nozzle group arranged in the center thereof and second nozzle groups arranged further on outer sides than the first nozzle group. Inter-nozzle pitches of the second nozzle groups are larger than inter-nozzle pitches of the first nozzle group. A direction in which nozzles of the second nozzle group eject an ink and a direction in which nozzles of the first nozzle group eject the ink are different.01-01-2009
20120069091LIQUID-DISCHARGING RECORDING HEAD - A liquid-discharging recording head includes first and second substrates each having an energy generating element and a supply port, and a support member on which the substrates are arranged. The first substrate is provided on one side in a longitudinal direction of the support member, and the second substrate is provided on an other side in the longitudinal direction of the support member. A driving circuit configured to drive the energy generating element is provided in a larger region between an end of a supply port in the first substrate on the other side in the longitudinal direction and an end of the first substrate on the other side and in a larger region between an end of a supply port in the second substrate on the one side in the longitudinal direction and an end of the second substrate on the one side.03-22-2012
20120069090IMAGE FORMING APPARATUS AND METHOD OF MAKING THE IMAGE FORMING APPARATUS - An image forming apparatus includes a plurality of heads and a head support member. Each head has multiple nozzles arrayed in at least one row to eject liquid droplets. The support member has first and second positioning portions to position each head. Each head has a first positioning face to position each head in a nozzle array direction and a second positioning face to position each head in a direction perpendicular to the nozzle array direction. The first positioning face and the second positioning face are cut faces formed by cutting. Each of a first distance between the first positioning face and a first reference nozzle and a second distance between the second positioning face and a second reference nozzle is uniform between the heads. Each head is mounted to the support member with the first and second positioning faces contacting the first and second positioning portions, respectively.03-22-2012
20090185000INK JET RECORDING HEAD AND INK JET RECORDING APPARATUS - A liquid ejection head includes a substrate including a liquid supply port for supplying liquid and a plurality of ejection energy generating elements, disposed along the liquid supply port, for generating energy for ejecting liquid droplets; and an ejection outlet plate including a plurality of ejection outlets, provided correspondingly to the plurality of ejection energy generating elements, for ejecting the liquid and including a plurality of liquid flow passages, provided correspondingly to the plurality of ejection outlets, for establishing communication between the ejection outlets and the liquid supply port. The ejection outlet plate is provided with a hole portion formed so as to surround the liquid flow passages. The hole portion includes a plurality of first holes which are arranged in a line and which have opening edges having a shape without an acute angle and further includes a plurality of second holes having opening edges formed in a substantially sawtooth shape, as seen in a direction perpendicular to a surface of the ejection outlet plate.07-23-2009
20090184999LIQUID BODY DISCHARGE DEVICE AND METHOD FOR DISCHARGING LIQUID BODY - A liquid body discharge device includes a plurality of nozzles for discharging a liquid body to a liquid body discharged region of a substrate, and a plurality of heads moving along a moving path and each including the plurality of nozzles. Among the plurality of heads, at least one of the plurality of heads includes the plurality of nozzles aligned in a first alignment direction, while a rest of the plurality of heads includes the plurality of nozzles aligned in a second alignment direction that is different from the first alignment direction. The liquid body is discharged to the liquid body discharged region of the substrate by moving one of the substrate and at least one of the plurality of heads.07-23-2009
20090141078Liquid ejecting device - A liquid ejecting device includes a head unit having a first nozzle array and a second nozzle array that ejects a liquid of a same type as that of the first nozzle array and a movement mechanism that moves at least one between a target in which the liquid lands and the head unit in a movement direction that intersects with a direction of nozzle arrangement of each of the nozzle arrays. The second nozzle array is disposed in a position deviated from the first nozzle array in the movement direction and is disposed in a position deviated from the first nozzle array in the intersection direction such that an end part of the second nozzle array is located in a center part of the first nozzle array in the intersection direction that intersects with the movement direction.06-04-2009
20090002439RECORDING APPARATUS - A recording apparatus scans a recording head in a main scanning direction to perform time-division driving for a plurality of blocks of recording elements to perform recording. The recording apparatus includes an obtaining unit configured to obtain information regarding inclination of the recording element array with respect to a main scanning direction, a first changing unit configured to change, in units of recording elements, based on the obtained information, storage positions of recording data items that are stored in a storage unit and that are assigned to recording elements in each of groups, each of the groups including recording elements belonging to the blocks in the recording element array which are consecutive, and a second changing unit configured to change, in units of groups, based on the obtained information, the storage positions of the recording data items in the main scanning direction.01-01-2009
20080316256PRINTHEAD ASSEMBLY WITH SANDWICHED POWER SUPPLY ARRANGEMENT - A printhead assembly is provided for a printer system. The printhead assembly includes an elongate substrate defining a channel and spaced apart sets of ink supply holes. An ink distribution arrangement is located within the channel and is configured to distribute ink to the sets of ink supply holes. A first plate is in engagement with the substrate to hold the ink distribution arrangement within the channel. A power supply arrangement is also located within the channel. A second plate is in engagement with the substrate so that the power supply arrangement is sandwiched between the plates and held within the channel.12-25-2008
20080316255FLEXIBLE WIRING MEMBER, LIQUID DROPLET JETTING HEAD, AND METHOD FOR CONNECTING FLEXIBLE WIRING MEMBER AND DEVICE - A flexible wiring member which connects a device and an external signal source has a plurality of wire members in which a plurality of wires are formed on one surface of a substrate, and a plurality of wire members is stacked to face the device. A plurality of bumps for connecting with the device are provided to the wires on a surface, of the wirings, facing the device. Bumps of one of the wire members overlapping with the other of the wire members face the device via the through hole formed in the other of the wire members. Accordingly, it is possible to realize high densification of wires in the flexible wiring while suppressing a rise in a cost.12-25-2008
20110228000Printhead Assembly Employing Modular Printheads And Common Substrate Channel - A printhead assembly for a pagewidth printer includes a substrate channel; a plurality of printhead modules positioned in the channel to form a pagewidth printhead module assembly; an ink hose positioned within the substrate channel to supply the printhead modules with ink; an extrusion for housing bus bars providing electrical power to the printhead modules; a cover plate securing a flex printed circuit board (PCB) in the assembly, the PCB forming a data bus to the printhead modules; and compressible conductive strips provided between the busbars abutting contacts on an upper side of parts of the flex PCB. The substrate channel defines a series of groups of holes through which the printhead modules are supplied with differently colored inks. The hose defines parallel channels extending a length of the hose, the channels connected to ink containers at one end and sealed with a channel extrusion cap at the other end.09-22-2011
20090231390IMAGE FORMING APPARATUS - An image forming apparatus includes a plurality of heads each of which discharges liquid droplets, a base member to hold the heads arranged thereon, and a liquid supply member provided on each head to extend in a direction in which the heads are arranged, and to form a common channel for distributing and supplying liquid to the heads. The liquid supply member includes a first supply opening to receive ink in the liquid supply member, a second supply opening to supply ink to the head, and an annular seal member and provided between the liquid supply member and the head to connect the first and second supply openings by sealing a connection portion between the liquid supply member and the head.09-17-2009
20090213176Inkjet Printhead Having Adhered Ink Distribution Structure - An inkjet printhead is provided having an integrated circuit having a plurality of inkjet nozzles formed on one surface and a plurality of ink delivery channels formed on an opposing surface for delivering ink to the nozzles, an ink distribution member having a plurality of conduits formed therethrough which each have an inlet for receiving ink from an ink supply and an outlet for distributing the received ink to the ink delivery channels of the integrated circuit, and an adhesive layer adhering the integrated circuit to the ink distribution member. The adhesive layer has a plurality of holes aligned with corresponding ones of the outlets and delivery channels so that ink can be supplied therebetween.08-27-2009
20090213177INKJET PRINTHEAD HAVING DUAL EJECTION ACTUATORS - An inkjet printhead is provided having an array of ink chambers each including a nozzle and an actuator for ejecting ink through the nozzle and being defined by sidewalls extending between a nozzle plate and underlying wafer substrate with one sidewall having an opening to allow ink to refill the chamber, an ink conduit between the nozzle plate and underlying substrate, and a plurality of ink inlets defined in the substrate. Each conduit is in fluid communication with the openings the chambers and with at least one of the inlets for receiving ink to supply to the chambers. The actuators are unitary planar thermal actuators which have a heater element extending between two contacts forming an electrical connection with respective electrodes provided by drive circuitry. Each of the actuators extend through at least two adjacent chambers so as to simultaneously eject ink from the adjacent chambers through their respective nozzles.08-27-2009
20090213178INKJET PRINTHEAD WITH HIGH NOZZLE DENSITY - An inkjet printhead is provided having an array of ink chambers each including a nozzle and an actuator for ejecting ink through the nozzle and being defined by sidewalls extending between a nozzle plate and underlying wafer substrate with one sidewall having an opening to allow ink to refill the chamber, an ink conduit between the nozzle plate and underlying substrate, and a plurality of ink inlets defined in the substrate. Each conduit is in fluid communication with the openings the chambers and with at least one of the inlets for receiving ink to supply to the chambers. The nozzles are arranged in rows such that the nozzle centres are collinear and the nozzle pitch along each row is greater than 1000 nozzles per inch.08-27-2009
20090244179LIQUID DROP EJECTING DEVICE AND METHOD FOR MANUFACTURING SAME - A liquid drop ejecting device includes a housing supporting a plurality of head units that are arranged in two rows to be partially overlapping along a main scanning direction in a staggered configuration. The head unit includes a flow path unit having an ink flow path, a piezoelectric actuator ejecting ink from nozzles in the flow path unit, and a reinforcement plate for reinforcing the flow path unit. In the reinforcement plate, a smaller-width portion and a larger-width portion are disposed along the main scanning direction, such that an end face of the smaller-width portion of the reinforcement member in one row contacts an end face of a reinforcement member in the adjacent row.10-01-2009
20100149255PRINTHEAD NOZZLE ARRANGEMENT HAVING INK EJECTING ACTUATORS ANNULARLY ARRANGED AROUND INK EJECTION PORT - A printhead for an inkjet printer includes a wafer defining a plurality of nozzle chambers and a plurality of ink supply channel in fluid communication with the plurality of nozzle chambers for supplying the plurality of nozzle chambers with ink; an ink ejection port associated with each nozzle chamber; and a plurality of actuators associated with each nozzle chamber, the plurality of actuators each including a petal formation. A plurality of petal formations are arranged around an ink ejection port of each nozzle chamber to annularly surround the ink ejection port. Each actuator is operable to displace a respective petal formation into the nozzle chamber.06-17-2010
20090273635Printhead Integrated Circuit For Low Volume Droplet Ejection - An inkjet printhead that has an array of droplet ejectors supported on a printhead integrated circuit (IC). Each of the droplet ejectors has a nozzle aperture and an actuator for ejecting a droplet of ink through the nozzle aperture and is configured to eject droplets with a volume less than 3 pico-litres each.11-05-2009
20100177144INKJET PRINTHEAD ASSEMBLY WITH PRINTHEAD SEGMENT CRADLE MEMBER - An inkjet printhead assembly includes an elongate ink supply body defining a plurality of ink supply channels; an elongate cradle member defining a plurality of rows of apertures, the elongate cradle member being fastened to the elongate ink supply body to communicate ink within the ink supply channels through respective ones of said rows of apertures; and a plurality of printhead segments each having a carrier defining a plurality of rows of ink supply passages arranged in alignment with respective apertures of the cradle member, each printhead segment further having an elongate ink ejection printhead mounted to the carrier in fluid communication with the ink supply passages. Each carrier defines a complementary formation for mating serially with the cradle member.07-15-2010
20130215197PRINTHEAD FLUID PATHS FORMED WITH SACRIFICIAL MATERIAL PATTERNED USING ADDITIVE MANUFACTURING PROCESSES - A method for forming an ink jet printhead subassembly can include the use of a sacrificial form to fabricate a printhead subassembly having a plurality of ink channels therethrough. The sacrificial form can be manufactured using one or more described techniques. The completed printhead subassembly can include a single solid structure manufactured from a single material, or can include more than one solid structures assembled together. A printhead subassembly according to the present teachings can have a reduced number of parts and cost, simplified manufacture, and increased yields and lifetime compared to some other printhead subassemblies.08-22-2013
20130215198INKJET RECORDING APPARATUS - To provide an inkjet recording apparatus capable of preventing nozzle clogging, capable of aligning the nozzle positions of line heads precisely and easily, and capable of adjusting the number of the line heads.08-22-2013
20110128323IMAGE FORMING APPARATUS - An image forming apparatus includes a common array base member; and plural head modules each formed of a module base member and plural heads configured to discharge droplets arranged in an array on the module base member. The plural head modules are attached on the common array base member. The heads of at least two of the head modules discharge liquid droplets of the same color. The at least two of the head modules are positioned relative to a same reference point provided by a reference member on the common array base member.06-02-2011
20090273636Electro-Thermal Inkjet Printer With High Speed Media Feed - An inkjet printer that has a printhead mounted adjacent a media feed path, the printhead having an array of droplet ejectors for ejecting ink droplets on to a media substrate. Each of the droplet ejectors having an electro-thermal actuator. The printer also having a media feed drive for moving the media substrate relative to the array of droplet ejectors at a speed greater than 0.1 m/s.11-05-2009
20090273633Printhead Integrated Circuit With High Density Nozzle Array - An inkjet printhead that has an array of droplet ejectors supported on a single printhead integrated circuit (IC). Each of the droplet ejectors has a nozzle aperture and an actuator for ejecting a droplet of ink through the nozzle aperture. The array has a nozzle aperture density of more than 100 nozzle apertures per square millimetre and all the nozzle apertures are formed in a printhead surface layer on one face of the printhead IC.11-05-2009
20090128600INK JET RECORDING HEAD, INK JET CARTRIDGE WITH INK JET RECORDING HEAD, AND INK JET RECORDING APPARATUS - An ink jet recording head includes at least three nozzle array groups; each of the nozzle array group including, a first nozzle array including a plurality of ejection outlets for ejecting ink, and a second nozzle array including a plurality of ejection outlets for ejecting the ink, the second nozzle array being disposed adjacent to the first nozzle array with an ink supply port for supplying the ink interposed therebetween, wherein an opening area of the ejection outlets of second nozzle array is smaller than an opening area of the ejection outlets of first nozzle array, wherein the nozzle array groups eject three different kinds of inks, respectively, when the ink jet recording head moves relative to a recording material, wherein the nozzle arrays of adjacent ones of the nozzle array group are arranged in the order of the first nozzle array of one of the adjacent nozzle array groups, the second nozzle array of the one of the adjacent nozzle array groups, the second nozzle array of the other one of the adjacent nozzle array groups, and the first nozzle array of the other one of the adjacent nozzle array groups; and the recording head further including a third nozzle array provided in each of the adjacent ones of the nozzle array groups, the third nozzle array including a plurality of ejection outlets for ejecting the ink, wherein an opening area of the ejection outlets of third nozzle array is smaller than an opening area of the ejection outlets of second nozzle array, wherein the third nozzle array being disposed in the same side as the second nozzle array with respect to the ink supply port, and wherein the nozzle array group which does not constitute the adjacent nozzle array groups is supplied with the ink having a highest lightness among the three kinds of inks.05-21-2009
20090322826INK JETTING - Among other things, for jetting ink, a first set of orifices of an apparatus are arranged to print at a first maximum resolution along a direction different from a process direction. A second set of orifices is coupled to the first set of orifices. The second set of orifices is arranged to print at a second maximum resolution lower than the first maximum resolution along a direction different from the process direction.12-31-2009
20090185001LIQUID EJECTION RECORDING HEAD - A liquid ejection recording head includes a recording element substrate including a plurality of energy generating elements for generating energy for ejecting liquid, and includes a flow passage-forming member, connected to the recording element substrate, comprising a plurality of ejection outlets corresponding to the plurality of energy generating elements and comprising a plurality of flow passages communicating with the ejection outlets. The flow passage-forming member includes a hole array consisting of holes arranged so as to surround the flow passages and includes a communication passage, for establishing communication between adjacent holes, at a position close to the recording element substrate.07-23-2009
20080309710LIQUID EJECTING APPARATUS - A liquid ejecting apparatus includes nozzles that eject a liquid, and n number of nozzle groups. Dot rows along a transport direction formed within the nozzle groups include alternating dense areas and sparse areas. A length in a direction of the dot rows from one of the dense areas to another of the dense areas is a predetermined length. A length in the dot row direction from a particular one of the dense areas of one of the dot rows formed with a certain one of the nozzle groups among n number of nozzle groups to a particular one of the dense areas of one of the dot rows formed with another of the nozzle groups, is equal to a length resulting from adding a non-negative integral multiple of the predetermined length to a length obtained by dividing the predetermined length by n.12-18-2008
20110025777PRINTER HAVING MULTIPLE NOZZLE ICS AND CAPPERS - A printer is provided having an elongate carrier spaced from a platen, ejection nozzle integrated circuits carried by the carrier to define an elongate printing zone between the carrier and platen, controllers carried by the carrier each configured to control a group of the integrated circuits, capping devices carried by the carrier to be reciprocally displaceable to cap respective integrated circuits, and an elongate camshaft positioned along the elongate carrier and along the capping devices and a translating member interconnecting the elongate camshaft and the capping devices, so that rotational movement of the elongate camshaft driven by a motor results in the reciprocal movement of the capping devices between the capping and non-capping positions.02-03-2011
20090066751INKJET PRINTHEAD WITH INK PRIMING ASSISTANCE FEATURES - An inkjet printhead with a wafer substrate, a plurality of ink chambers formed on one side of the wafer substrate, each having a nozzle and an actuator for ejecting ink through the nozzle, an ink inlet defined by the wafer substrate in fluid communication with the ink chambers and, at least one priming feature extending through the ink inlet. The surface tension of an ink meniscus at the ink inlet acts to draw ink out of the ink inlet and toward the ink chambers. By introducing a priming feature into the plane of the inlet aperture, the surface tension in the ink meniscus can be redirected to pull the ink along the intend flow path rather than push it back into the inlet.03-12-2009
20100149254LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS - A liquid ejecting head including a plurality of nozzle groups, a plurality of reservoirs, each of which corresponds to each nozzle group, each reservoir having an introduction port, wherein the reservoirs include a first reservoir in which the introduction port is disposed in the center of the reservoir in the nozzle row direction and a second reservoir in which the introduction port offset from the center of the reservoir, and wherein a liquid having a pressure P comparatively higher than those of other liquids among plurality types of liquids ejected from the liquid ejecting head is introduced into the first reservoir.06-17-2010
20090051733EFFICIENT IMAGE ARRAY MICRO ELECTROMECHANICAL SYSTEM (MEMS)JET - An imaging array and method of forming an imaging array includes a plurality of staggered imaging dies formed as a row of alternating open spaces and imaging dies. A plurality of driver dies can be adaptively arranged in the open spaces formed by the staggered imaging dies. The use of the open spaces between the staggered imaging dies allows for a color imaging array that occupies a waterfront of approximately 20 mm.02-26-2009
20090033715PRINTHEAD IC WITH MORE THAN 10000 NOZZLES IN THE EXPOSURE AREA OF A PHOTO-IMAGING DEVICE - A printhead integrated circuit for an inkjet printer that has a monolithic wafer substrate supporting an array of droplet ejectors for ejecting drops of printing fluid onto print media. Each droplet ejector has nozzle and an actuator for ejecting a drop of printing fluid the nozzle. The array is formed on the monolithic wafer substrate by a succession of photolithographic etching and deposition steps involving a photo-imaging device that exposes an exposure area to light focused to project a pattern onto the monolithic substrate. The array has more than 10000 of the droplet ejectors configured to be encompassed by the exposure area. The invention arranges the nozzle array such that the droplet ejector density is very high and the number of exposure steps required is reduced.02-05-2009
20090033716METHOD AND DEVICE FOR INK-JET PRINTING A MOVING WEB - A device for printing a web moving in a direction (Y02-05-2009
20100165046VOLUME ELEMENT PRINTING SYSTEM FOR SIMULTANEOUSLY PRINTING MULTIPLE LAYERS - A three dimensional object creation system for printing a three dimensional object comprised of layers stacked vertically with respect to each other includes a series of printheads for printing the layers, the series of printheads simultaneously printing at least two layers of different vertical positions within the stack; and a semiconductor memory for storing data defining at least one layer. The series of printheads are arranged in groups of one or more printheads per group, each group being fixedly positioned downstream of a preceding group with respect to the three dimensional object. Each group of printheads is adapted to print a layer at a predetermined vertical position within the stack.07-01-2010
20100165047PRINTING SYSTEM FOR LAYERED OBJECT PRINTING INCORPORATING GROUPS OF MULTIPLE PRINTHEADS - A printing system includes a conveyor for conveying a substrate along a conveying direction; and a sequence of printhead groups arranged along the conveying direction for printing respective object layers onto one another, a first of the sequence of printhead groups printing an object layer onto said substrate. Each printhead group includes a plurality of printheads. At least one of the printheads in each printhead group is for printing a material different to the material printed by the other printheads in the same group.07-01-2010
20100165045PRINT ENGINE ASSEMBLY WITH ROTATABLE PLATEN DEFINING CAVITY FOR HOLDING BLOTTING MATERIAL - A print engine assembly includes an elongate chassis; a pair of bearing moldings operatively mounted to either end of the chassis; a rotatable platen supported by a rotary shaft extending between and mounted in the pair of bearing moldings; and a printhead assembly mounted to the chassis, the printhead assembly including an elongated pagewidth printhead having a plurality of ink printing integrated circuits. The rotatable platen includes an extruded material shaped to define a cavity in which a blotting material is disposed, and the rotatable platen defines an aperture extending along a length thereof through which aperture the blotting material is exposed.07-01-2010
20090219340INK JET PRINTING APPARATUS AND INK JET PRINTING METHOD - An ink jet printing apparatus and an ink jet printing method are provided which use a printing head having a plurality of ejection opening arrays and enable high quality printing without causing uneven density in a conveying direction. For this purpose, by providing a plurality of ejection opening arrays to chips constituting the printing head and changing data assigning ratio of each ejection opening array, deviation in impact positions depending on the distance between the ejection opening arrays becomes inconspicuous.09-03-2009
20100053266ELECTRO-OPTICAL DEVICE AND ELECTRONIC INSTRUMENT - An electro-optical device includes a substrate having a plurality of film-formation regions configured and arranged to receive a liquid material discharged from a plurality of nozzles of a nozzle row while the substrate and the nozzle row are moved relative to each other in a primary scanning direction. Each of the film-formation regions includes a plurality of landing positions in which the liquid material lands with the landing positions being set by a nozzle interval in a direction of the nozzle row and a discharge interval in the primary scanning direction. At least two or more of the film-formation regions include a portion in which a total number of the landing positions in the at least two or more of the film-formation regions that simultaneously face the nozzles is the same in the primary scanning direction.03-04-2010
20100053264INKJET PRINTER AND PRINTING METHOD USING THE SAME - An inkjet printer and a printing method using the inkjet printer are disclosed. The inkjet printer in accordance with an embodiment of the present invention can include: a first inkjet head, which prints in one direction; and a second inkjet head, which prints in a different direction intersecting the one direction. In accordance with an embodiment of the present invention, the inkjet printer can print a pattern having a plurality of directions with a stable printing quality.03-04-2010
20100295898DROPLET DISCHARGE DEVICE - A droplet discharge device includes a plurality of discharge heads configured and arranged to discharge droplets toward a plurality of pattern film formation regions disposed on a substrate with the pattern film formation regions including at least one narrow pattern film formation region that is narrower than the other pattern film formation regions. A number of the discharge heads corresponding to the narrow pattern film formation region is greater than a number of the discharge heads corresponding to one of the pattern film formation regions having an area that is larger than that of the narrow pattern film formation region.11-25-2010
20110164089PRINTING SYSTEM AND METHOD - The printing system is a dot matrix-type printer utilizing a liquid ink reservoir. A plurality of pins are disposed within the reservoir, each pin having a lower end and a tapered upper end terminating in a printing tip. In use, the reservoir is held stationary, the liquid ink being contained therein by gravity. A printing substrate, such as a piece of paper, is drawn over an open upper end of the reservoir. A driver selectively vertically translates the plurality of pins, each individual pin being selectively driven independent of the other pins. Each pin is initially positioned so that the lower end thereof is located adjacent a lower wall of the reservoir, and the printing tip is positioned beneath a surface of the ink. A selected pin is translated upwardly so that the printing tip thereof contacts the printing substrate to form an ink dot thereon.07-07-2011
20110261111HEAD UNIT, DROPLET EJECTION APPARATUS, METHOD OF MANUFACTURING PANEL FROM BASE, IMAGE DISPLAY APPARATUS AND ELECTRONIC APPARATUS - A droplet ejection apparatus includes first to fourth droplet ejection heads for ejecting a first liquid material and fifth and sixth droplet ejection heads for ejecting a second liquid material. The first and second droplet ejection heads, the third and fourth droplet ejection heads, and the fifth and sixth droplet ejection heads are arranged along a first direction so that nozzles of the first and second droplet ejection heads, the third and fourth droplet ejection heads, and the fifth and sixth droplet ejection heads are consecutive with a predetermined pitch via a first seam, a second seam and a third seam, respectively, when viewed from a second direction perpendicular to the first direction. The third seam is arranged between the first seam and the second seam when viewed from the second direction.10-27-2011
20100066786METHOD AND SYSTEM FOR PRINTING ON A PRINTED CIRCUIT BOARD - A method, a printing system and a printing bridge. The printing bridge is configured to accommodate in a precise manner a jet print head. The jet print head includes first jet nozzles for injecting a first type jettable substance to form a first pattern onto the surface of a object, and a second jet nozzles for injecting a second type of jettable substance to form a first pattern onto the surface of a object. The first type jettable substance is utilized for printing a solder mask pattern and the second type jettable substance is utilized for printing a legend pattern.03-18-2010
20110187794HEAD ATTACHMENT MEMBER AND LIQUID EJECTION DEVICE - A plurality of liquid ejection heads is attached to a head attachment member with respect to a support drum for supporting an ejection-receiving medium and rotating about a rotation shaft. The head attachment member includes a plurality of attachment surfaces to which a plurality of head groups each including a plurality of liquid ejection heads is attached. Each of the attachment surfaces is arranged so as to be parallel to a tangent line which is tangent to a peripheral surface of the support drum at an intersection point of a line segment which connects the center of the support drum and the center on the first attachment surface between the head groups attached to the first attachment surface. The attachment surfaces are integrally and continuously formed.08-04-2011
20110187793HEAD ATTACHMENT MEMBER, LIQUID EJECTION DEVICE, AND HEAD ATTACHMENT METHOD - A plurality of liquid ejection heads is attached to a head attachment member. The head attachment member is disposed so as to face a support drum for supporting an ejection-receiving medium and rotating about a shaft. The head attachment member includes a pair of plate-shaped members each having an attachment surface to which a plurality of head groups each including the liquid ejection heads is attached and a back surface extending parallel to the attachment surface. End parts of the plate-shaped members are connected to each other so as to be able to rotate about a hinge part so that an angle formed by the attachment surfaces is adjustable.08-04-2011
20100026759LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS - A liquid ejecting head includes: a head body that includes a plurality of nozzles and ejects liquid drops from the nozzles; a frame that supports the head body; a fixation plate by means of which the head body is fixed to the frame; and a holding plate that applies holding pressure to the fixation plate toward the frame so that the fixation plate is fixed to the frame.02-04-2010
20090174750Head array unit, image forming apparatus including same, and method for manufacturing the head array unit - The present invention provides a head array unit in which a plurality of head members is easily aligned on an alignment member with a simple structure and a method for manufacturing the head array unit, and an image forming apparatus including the head array unit. The head array unit includes a head unit. The head unit includes a head member, a head member retainer, and an alignment member. The head member includes a plurality of nozzles and is configured to eject liquid droplets. The head member retainer, on which the head member is disposed and fixed thereto, includes a reference hole for aligning the head unit relative to the alignment member. The alignment member includes an opening formed at a location associated with the reference hole and relatively larger than the reference hole. The head member may be directly aligned and fixed on the alignment member.07-09-2009
20120306968PRINTHEAD DIE - A printhead die that includes first and second slots through the die for feeding a same liquid, the slots offset from each other along two axes. The die has a first nozzle package adjacent one side of the first slot and extending toward the second slot along the minor axis. The die includes a second nozzle package adjacent an opposite side of the second slot and extending toward the first slot along the minor axis. The first and second nozzle packages each have a slanted corner profile.12-06-2012
20120306969LIQUID EJECTION HEAD AND METHOD OF PRODUCTION THEREOF - Without being dependent on design changes, a liquid ejection head and a method of production thereof are provided in which when time-division driving, liquid drop landing deviance in the direction of printing is capable of being corrected. In order to achieve this, before performing an exposure in order to form an ejection port, after forming a cavity that is shifted with respect to the location at which the ejection port is formed, exposure is performed.12-06-2012
20120038709LIQUID EJECTING HEAD MODULE AND LIQUID EJECTING APPARATUS - A liquid ejection head module comprising: 02-16-2012
20120038708LIQUID EJECTING APPARATUS - A liquid ejecting apparatus includes a liquid ejecting head unit having a plurality of liquid ejecting heads that ejects liquid from nozzles. The liquid ejecting head unit has a head fixing member that fixes a plurality of the liquid ejecting heads in a row with gaps between the heads. The head fixing member has an opening at a frame section, and fixes a plurality of the liquid ejecting heads that are inserted into the opening in a state where at least one portion of each of the nozzle plates protrudes through the opening. Partition plates are arranged between the liquid ejecting heads in the frame section in a row with the liquid ejecting heads across the opening. A portion of each of the partition plates protrudes from the bottom of the frame section.02-16-2012
20120147093LIQUID EJECTING HEAD UNIT, LIQUID EJECTING APPARATUS, AND METHOD OF PRODUCING LIQUID EJECTING APPARATUS - A liquid ejecting head unit includes a liquid ejecting head having a nozzle forming surface provided with nozzle rows consisting of several rows of nozzles for ejecting liquid; and a head fixing member to which the liquid ejecting head is fixed with an intermediate member therebetween. The liquid ejecting head has an intermediate-member fixing portion to which the intermediate member is fixed. The intermediate member has a head-fixing-member bonding surface to be securely bonded to an intermediate-member bonding surface of the head fixing member with adhesive. The head-fixing-member bonding surface has a chamfered portion along at least a portion of an outer edge thereof, the chamfered portion being provided such that the distance from the intermediate-member bonding surface gradually increases from the inner side toward the outer side of the head-fixing-member bonding surface.06-14-2012
20090073225PRINTHEAD HAVING DISPLACED NOZZLE ROWS - A printhead is provided having a plurality of nozzle rows which have displaced row portions. 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 rows03-19-2009
20110316931PRINTING SYSTEM FOR FORMING THREE DIMENSIONAL OBJECTS - A printing system for forming a three dimensional object is disclosed. The printing system has a semiconductor memory for storing data that defines layers defining the three dimensional object, printhead groups. The printhead groups deposit at least two different materials simultaneously in at least one of the layers.12-29-2011
20120044296INKJET HEAD SUPPORT ASSEMBLY - An inkjet head support assembly comprises a plurality of spaced apart carrier members mounted for relative movement along an elongate path, each carrier member including laterally offset first and second coupling positions. In use alternate inkjet heads are coupled at each of their ends between first coupling positions or between second coupling positions respectively of successive pairs of carrier members. At least one coupling position of each carrier member includes an adjustment mechanism to enable parts of inkjet heads coupled to the respective coupling positions of the same carrier member to be relatively aligned in the elongate direction.02-23-2012
20090096832PRINTHEAD HAVING DISPLACED NOZZLE ROWS - An inkjet printhead that has a support member for mounting it into a printer body adjacent a media feed path. A plurality of printhead IC's are mounted contiguously adjacent each other along the support member. Each of the printhead IC's has an array of nozzles, the array of nozzles on each printhead IC being identical and arranged into a series of nozzle rows such that most nozzles in each nozzle row are co-linear with the corresponding nozzle row in an adjacent printhead IC. The array of nozzles on each printhead IC is elongate and has an end portion of the array with the nozzles displaced downstream from the remainder of the array with respect to the media feed path04-16-2009
20090231389Ink Jet Printer and Printing Method - An ink jet printer comprising a conveyor belt unit 09-17-2009
20090135227LIQUID JET HEAD AND LIQUID JET APPARATUS - A liquid jet head includes: a plurality of nozzle blocks, each having a pressure chamber formed with a pressurizing device for pressurizing liquid and a nozzle connected to the pressure chamber for ejecting the liquid, wherein each of the nozzle blocks is equipped with (1) a supply flow path connected to the pressure chamber for supplying the liquid to the pressure chamber, and (2) a circuit substrate for applying a driving signal to the pressurizing device for pressurizing the liquid, wherein the supply flow path is positioned on the opposite side of the nozzle through the pressure chamber, and the circuit substrate is disposed to pass between adjacent ones of the supply flow paths respectively provided at the nozzle blocks.05-28-2009
20120154486Micro-Fluid Ejection Head - A micro-fluid ejection head for a printer is disclosed. The micro-fluid ejection head comprises a plurality of printhead modules. Each of the plurality of printhead modules comprises an ejection chip for ejecting fluid. The micro-fluid ejection head further comprises a support frame to mount the plurality of printhead modules for creating a lengthy array of the plurality of printhead modules. The support frame is electrically coupled with the plurality of printhead modules for allowing the plurality of printhead modules to receive data and electrical power.06-21-2012
20120026245INKJET PRINTING APPARATUS AND INKJET PRINTING METHOD - In an inkjet printing apparatus, degraded image quality due to ink viscosity increasing is suppressed without forming ink dots unrelated to the print image as in what is called on-sheet preliminary ejection. More specifically, print data is generated for each pass in a multi-pass printing, such that the ratio of dots continuously formed by the same nozzle during the same scan becomes greater in low-duty areas than in high-duty areas. Thus, the lengthening of nozzle nonuse time can be suppressed, even in the case of printing a low-duty area. As a result, it becomes possible to suppress degraded image quality due to ink viscosity increasing.02-02-2012
20120105543Inkjet head package, apparatus and method for assembling the same - There are provided an inkjet head package, an apparatus and a method for assembling the same. The inkjet head package may include a plurality of inkjet heads each having an ink channel so as to eject ink through a plurality of nozzles formed on one surface thereof, and a frame having one surface to which another surface of the plurality of inkjet heads is fixed while facing the one surface thereof, the frame including an opening for exposing a portion of the another surface disposed therein.05-03-2012
20120206538SUPPLY SYSTEM AND INJECTION-HEAD STRUCTURE THEREOF - A supply system capable of providing a working fluid is provided. The supply system includes an access device, a first energizer, a second energizer, a third energizer and an output device. The access device utilized to access the working fluid includes a connecting port. The first energizer provides a first energy to energize the working fluid, thereby expelling the bubbles from the working fluid. The second energizer provides a second energy to energize the working fluid received in the access device, thereby expelling the working fluid through the connecting port of the access device. The output device is connected to the access device, thereby receiving and outputting the working fluid. The third energizer provides a third energy to heat the working fluid passing through the access device and the output device.08-16-2012
20120062650LIQUID EJECTION DEVICE AND LIQUID EJECTION METHOD - The liquid ejection device includes a head having nozzles for ejecting a liquid, a first liquid-receiving section having a sloped face for receiving liquid ejected from the nozzles when flushing is carried out by the head, and a second liquid-receiving section for receiving and holding liquid that has dripped from the sloped face. The liquid ejected from the nozzles through flushing can flow away, and therefore printing defects caused by accumulation of the liquid can be prevented.03-15-2012
20120236076PRINTHEADS AND METHOD FOR ASSEMBLING PRINTHEADS - Disclosed is a printhead for a printer that includes a plurality of ejection chip units. Each ejection chip unit of the plurality of ejection chip units is configured to eject at least one fluid. The printhead further includes a plurality of supporting units. Each supporting unit of the plurality of supporting units is fluidly coupled with a corresponding ejection chip unit. The each supporting unit includes a plurality of trenches adapted to receive an adhesive to facilitate attachment of the each supporting unit with the corresponding ejection chip unit. Furthermore, the printhead includes a base unit fluidly coupled with the each supporting unit of the plurality of supporting units. The base unit is adapted to provide the at least one fluid to the each ejection chip unit through a corresponding to supporting unit. Further disclosed is a method for assembling the printhead.09-20-2012
20100245472PRINTHEAD ASSEMBLY INCORPORATING INK CASSETTE AND INK DISTRIBUTION ASSEMBLY - A printhead assembly includes a printhead assembly having printhead integrated circuits each with a plurality of micro-electromechanical nozzle arrangements for ejecting ink; an ink distribution assembly supporting the printhead integrated circuits, said ink distribution assembly defining a plurality of longitudinal ink ducts extending along a length of the assembly, and a plurality of ink inlet ports in fluid communication with respective ink ducts; a plurality of ink crossover channels defined over and across the plurality of longitudinal ink ducts, the ink crossover channels connecting the ink inlet ports to respective longitudinal ink ducts; and an ink cassette defining a plurality of ink reservoirs in fluid communication with the ink ducts via a ink hoses engaged with respective ink inlet ports.09-30-2010
20100245471Liquid droplet ejection head module, liquid droplet ejection head, and liquid droplet ejecting apparatus - There is provided a liquid droplet ejection head module comprising: a plurality of ejection surfaces, each ejection surface comprising a pair of first sides extending in a direction intersecting with a first direction, and a pair of second sides linking the pair of first sides and extending in a direction inclined with respect to the first direction; first nozzles that are provided on the ejection surfaces; and second nozzles that are provided on the ejection surfaces, wherein, when the plurality of ejection surfaces are linearly arranged such that the second sides overlap and the first nozzles and the second nozzles are projected in a direction orthogonal to the first direction, the projected first nozzles and the second nozzles are arranged in equal intervals in the direction orthogonal to the first direction.09-30-2010
20100220146Moisture Protection of Fluid Ejector - A fluid ejection apparatus includes a substrate having a plurality of fluid passages for fluid flow and a plurality of nozzles fluidically connected to the fluid passages, a plurality of actuators positioned on top of the substrate to cause fluid in the plurality of fluid passages to be ejected from the plurality of nozzles, a protective layer formed over at least a portion of the plurality of actuators, a housing component having a chamber, the chamber adjacent to the substrate, and an absorbent layer inside the cavity. The absorbent layer is more absorptive than the protective layer.09-02-2010
20120212544MOUNTING MEMBER WITH DUAL-FED INK PASSAGEWAYS - An inkjet printhead includes a printhead die including an array of nozzles disposed along a nozzle array direction and an ink feed opening that is fluidically connected to the array of nozzles; and a mounting member including: a first surface to which the printhead die is affixed; a second surface opposite the first surface; and an ink passageway from the second surface to the first surface, the ink passageway including: an elongated opening disposed on the first surface, the elongated opening being adjacent the ink feed opening of the printhead die; and a first opening and a second opening disposed on the second surface, the first and second openings being fluidically connected to the elongated opening disposed on the first surface.08-23-2012
20120249679APPARATUS FOR PRINTING SURFACES HAVING A PLURALITY OF MOVABLE PRINT HEADS AND SYSTEM HAVING THE APPARATUS - An apparatus for printing surfaces, for example of three-dimensionally shaped vehicle body parts, includes movable print heads having actuable, preferably inkjet, nozzles, and at least one printing position and one parking position into which the print heads can be moved or rotated. At least one first and one second print head have mutually different nozzle configurations, sizes or shapes. In a first mode, the first print head is in a printing position and the second print head is in a parking position, and in a second mode, the first print head is in a parking position and the second print head is in a printing position. The print heads can be on a rotation apparatus which can be on a robot arm. Surfaces of any shape, having curvatures and/or undercuts, can be printed in one or multiple colors (in image terms). A system having the apparatus is also provided.10-04-2012
20120176447LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS - A liquid ejecting head, in which a plurality of pressure chambers that communicate with corresponding nozzles are formed by partitions, that ejects a liquid through the nozzles that communicate with the pressure chambers by causing an active surface (an elastic membrane) that seals an opening surface of the pressure chambers to deform using a piezoelectric element and thus causing the pressure of the liquid within the pressure chambers to fluctuate. The partitions that separate adjacent pressure chambers from each other are formed having a plurality of levels, the plurality being three or more, so that the partitions become thicker from the side on which the active surface is present toward the side on which the nozzles are present.07-12-2012
20090079789PAGEWIDTH PRINTHEAD ASSEMBLY HAVING AIR CHANNELS FOR PURGING UNNECESSARY INK - Provided is a pagewidth printhead assembly having a plurality of printhead modules. Each printhead module comprises a printhead integrated circuit (IC) having a plurality of ink ejection nozzles, and an ink distribution assembly formed from a stack of ink distribution layers, each layer defining apertures therein at predetermined locations, the layers laminated together so that the apertures of each layer complementarily define discrete ink distribution channels to the printhead IC. The module also includes air channels for directing air at the nozzles of the IC to purge unnecessary ink from said nozzles.03-26-2009
20100328396FLOW THROUGH DISPENSER INCLUDING TWO DIMENSIONAL ARRAY - A liquid dispenser includes a liquid supply channel, a liquid dispensing channel including an outlet opening including an end, and a liquid return channel. A liquid supply provides liquid under pressure from the liquid supply channel through the liquid dispensing channel to the liquid return channel. A diverter member is selectively actuatable to divert a portion of the liquid toward outlet opening of the liquid dispensing channel. A structure extends from the end of the outlet opening and is shaped to direct the portion of the liquid diverted from the liquid dispensing channel through a steep angle relative to the direction of travel of the liquid provided by the liquid supply channel.12-30-2010
20080297561LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS - A liquid ejecting head includes a plurality of nozzle groups each including a plurality of nozzle openings; and a plurality of pressure generating chambers that cause liquid to be ejected from the nozzle openings. A plurality of recessed portions are formed at a nozzle forming member, the recessed portions each having a thickness smaller than a thickness of the nozzle forming member, the nozzle openings being formed at the recessed portions. A set of at least one of the plurality of nozzle openings included in each single nozzle group defines a nozzle set, the nozzle set being arranged to correspond to each of the pressure generating chambers. The nozzle groups each have a plurality of nozzle sets in an array, the nozzle sets of one of the nozzle groups being relatively shifted from the nozzle sets of another one of the nozzle groups in a nozzle-set-array direction.12-04-2008
20120268523INK-JET APPARATUS - Provided is an ink-jet apparatus that: has a wide control range of the direction for ink ejection; can correct a variation in the direction for ink ejection; and can improve the yield of a product when used for manufacture of electronic devices. The ink-jet apparatus includes:10-25-2012
20100231645PRINTHEAD INCORPORATING ROWS OF INK EJECTION NOZZLES - A printhead for an inkjet printer includes a wafer assembly defining rows of spaced apart ink supply channels; and rows of ink ejection nozzle groups extending from the wafer assembly, each nozzle group including a pair of rows of ink ejection nozzles, each ink ejection nozzle including an ink ejection head from which an elongate actuator tail extends, all of the ink ejection heads of each group being in fluid communication with a respective ink supply channel. In each nozzle group, the actuator tails of one pair of rows of ink ejection nozzles extend in an opposite direction to the actuator tails of the other pair of rows of ink ejection nozzles. The actuator tails from adjacent rows of ink ejection nozzle groups are interleaved.09-16-2010
20110279544METHOD AND SYSTEM FOR APPLYING MATERIALS ON A SUBSTRATE - Embodiments of the invention are directed to a method of printing lines. A method may include positioning a plurality of print units according to a predefined spacing parameter. A method may include depositing material on a substrate by a plurality of print units to form a respective plurality of parallel lines according to a predefined spacing parameter. A printing unit may be positioned at an angle with respect to a predefined scan direction such that a predefined width of a printed line is achieved. A substrate may be rotated between scans such that a plurality of lines in a respective plurality of directions is printed in a scan direction.11-17-2011
20130010031INK JET PRINT HEAD - An ink jet print head is provided which has a reduced size and still can prevent an overall temperature increase in a printing element board. To this end, among ink supply port arrays formed on both sides of each nozzle array, the heat resistance of the portion (beams) of the printing element board between the adjoining ink supply ports is lowered in those arrays that are close to the end portions of the common liquid chamber.01-10-2013
20130176363LIQUID DROPLET EJECTING HEAD AND IMAGE FORMING APPARATUS - A liquid droplet ejecting head is disclosed which includes at least one or more nozzles which eject liquid droplets; one or more dedicated liquid chambers which are communicatively connected to the nozzle; a common liquid chamber which is communicatively connected to the dedicated liquid chamber; and an energy generating unit which generates energy provided to the dedicated liquid chamber, wherein at least one wall face of the common liquid chamber includes a flexible wall, which has flexibility; a buffer chamber is included in an opposing area via the flexible wall and the common liquid chamber; and wherein the buffer chamber is communicatively connected to an external space in an area not opposing the common liquid chamber.07-11-2013
20130100208METHOD OF MANUFACTURING LIQUID EJECTION HEAD AND LIQUID EJECTION HEAD - A method of manufacturing a liquid ejection head includes: defining a first imaginary reference line along the longitudinal direction of a base member and measuring the distances between the first imaginary reference line and at least two liquid supply port portions of a liquid supply port row, including defining a second imaginary reference line passing the liquid supply port portion at the shortest distance from the first imaginary reference line and the liquid supply port portion at the longest distance from the first imaginary reference line respectively from among the at least two liquid supply port portions and defining the second imaginary reference line between two imaginary lines parallel to the first imaginary reference line.04-25-2013
20110267402PARALLEL INK JET PRINTING DEVICE AND RELATIVE MANUFACTURING - The printing device (11-03-2011
20130147878REDUCTION OF ARC-TRACKING IN CHIP ON FLEXIBLE CIRCUIT SUBSTRATES - A flexible circuit substrate has an integrated circuit mounted on the substrate, a first set of traces arranged to connect between a first voltage source and a first set of connectors on the integrated circuit, a second set of traces arranged to connect between a second voltage source and a second set of connectors on the integrated circuit, and a gap in the flexible circuit substrate between the first and second set of traces, the gap of sufficient width to stop an electrical arc-tracking between the first set of traces and the second set of traces. The substrate may have a second gap between the first gap and other traces.06-13-2013
20100309252EJECTION NOZZLE ARRANGEMENT - An ejection nozzle arrangement having a substrate, a fluid port in the substrate, a chamber on the substrate so as to have the fluid port therein, a roof on the chamber having an ejection port, and an arm extending through an opening in the chamber into the chamber for causing ejection of fluid within the chamber from the ejection port. The arm is suspended within the opening so that the arm is spaced from both the substrate and the chamber within the opening.12-09-2010
20120274703LIQUID EJECTION HEAD AND LIQUID EJECTING APPARATUS - The liquid ejection head capable of securing a high performance of supplying liquid through supply ports while reducing the size of the substrate is provided. The liquid ejecting apparatus using such a liquid ejection head are also provided. The third supply ports situated between the first ejection port array and the second ejection port array include a portion of a large dimension and a portion of a small dimension.11-01-2012
20110242213INK JET RECORDING METHOD - The ink jet recording method includes performing printing by depositing droplets of an ink composition ejected from the ink ejection nozzles on a recording medium transported in the direction perpendicular to the nozzle alignment direction in such a manner that the droplets ejected from at least one ink ejection nozzle located at an end of each of ink jet heads adjacent to each other in the direction perpendicular to the nozzle alignment direction are deposited one on the other. The volume of droplet ejected from the ink ejection nozzle at the end of the ink jet head is smaller than the volume of ink droplet ejected from each of the other ink ejection nozzles of the ink jet head, and the ink composition has a yield value of 0.50 to 2.00 mPa.10-06-2011
20120281044OFFSET INLETS FOR MULTICOLOR PRINTHEADS - An inkjet array has been developed that enables inlets for one group of inkjet ejectors to be laterally offset from the nozzles of the inkjet ejectors in the group and also enables inlets for another group of inkjet ejectors to be laterally offset from the nozzles of the inkjet ejectors in the other group. The lateral offset distance increases the distance between the inlets of the two groups to provide a wider bonding area between the two groups and improve the fluidic isolation between the two groups of inkjet ejectors.11-08-2012
20130182041INK-JET HEAD - An ink-jet head includes: a first nozzle group; a second nozzle group; a first common ink chamber; and a second common ink chamber. With respect to a first direction, nozzles constituting the first nozzle group and nozzles constituting the second nozzle group are arranged alternately to complement each other, the first nozzle group includes a first nozzle and a second nozzle which deviates from the first nozzle with respect to a second direction perpendicular to the first direction, the second nozzle group includes a third nozzle arranged adjacent to the first nozzle with respect to the first direction and a fourth nozzle arranged adjacent to the second nozzle with respect to the first direction, and with respect to the second direction, the fourth nozzle deviates from the third nozzle in a direction opposite to a direction in which the second nozzle deviates from the first nozzle.07-18-2013
20130182040LIQUID EJECTING HEAD AND IMAGE FORMING APPARATUS - Disclosed is a liquid ejecting head, including two nozzle sequences, each nozzle sequence including nozzles for ejecting a liquid drop, separate liquid chambers communicating with the nozzles, and two common liquid chambers for supplying a liquid to the separate liquid chambers and correspond to the two nozzle sequences, each common liquid chamber including a supply port for supplying a liquid thereto, an aperture, a cross-section thereof in a second direction orthogonal to a first direction of arrangement of the plural nozzles decreasing toward an end portion thereof in the first direction, wherein the supply port and aperture of one of the two common liquid chambers are provided at one end portion and the other end portion in the first direction, respectively, and the supply port and aperture of another one are provided at the other end portion and the one end portion in the first direction, respectively.07-18-2013
20110316930MODULAR MICRO-FLUID EJECTION DEVICE - A modular micro-fluid ejection device includes a carrier frame supporting pluralities of micro-fluid ejection modules. Each of the modules has a plate of nozzles defining a plane. Adjacent nozzle plates are substantially coplanar and registered with one another across the entirety of the carrier frame. Methods to mount the modules to the frame include, first, temporarily mounting one module and then another, and then permanently mounting both with a durable adhesive. Manufacturing systems include suction devices to hold a first module in place on a fixture while later modules are suctioned and registered to each other. Once set in place, a carrier frame is commonly contacted to the modules and the suction to released. Adhesives between the frame and modules cause the modules to separate from the fixture and transfer to the frame. All remain properly registered upon transfer.12-29-2011
20120019594LIQUID EJECTION HEAD - A liquid ejection head includes: a first and a second common liquid chamber formed in a substrate; a first nozzle array in which short and long nozzles are connected to the first common liquid chamber and alternately arranged on one side of the chamber; a second nozzle array in which short and long nozzles are connected to the first common liquid chamber and alternately arranged on the other side; a third nozzle array in which short and long nozzles are connected to the second common liquid chamber and alternately arranged on one side of the chamber; and a fourth nozzle array in which short and long nozzles are connected to the second common liquid chamber and alternately arranged on the other side; wherein the long and short nozzles formed on the one side and the long and short nozzles formed on the other side are disposed within a pitch P.01-26-2012
20120019593PRINT BAR STRUCTURE - In one embodiment, a print bar structure includes a single part having: a datum; an exterior printhead attach surface a predetermined distance from the datum for attaching multiple printheads to the print bar structure; an interior bay for holding a liquid distribution part; and multiple openings from the interior bay to the exterior printhead attach surface.01-26-2012

Patent applications in class Array of ejectors

Patent applications in all subclasses Array of ejectors