Abstract: A recording head includes outlets disposed in a staggered pattern so that the distances from an ink inlet to the outlets differ alternately for adjacent outlets. The recording head includes an outlet group including a plurality of the outlets on at least one side of the ink inlet. The outlet group includes first outlets and second outlets, wherein the distance from the ink inlet to the first outlets differs from the distance from the ink inlet to the second outlets. First recording elements and second recording elements including heat resistors are provided. The first recording elements and second recording elements correspond to the first outlets and the second outlets, respectively, and are disposed in first ink channels and second ink channels, respectively. The first recording elements are rectangular, whereas the second recording elements are substantially square.

Abstract: A manufacturing system, located at a manufacturing system site, includes a discharger for discharging a liquid material having fluidity onto a substrate, communication means for transmitting and receiving data through a communication line, and monitoring means for monitoring the state of the discharger and for outputting data obtained by the monitoring through the communication means. The communication means provides communication between the monitoring means at the manufacturing system site and a server located outside of the manufacturing system site. The monitoring means receives a control command from the server through the communication means.

Abstract: A piezoelectric actuator includes a first ceramic sheet having individual inner-electrodes formed thereon, a second ceramic sheet having a common inner-electrode formed thereon, a third ceramic sheet having individual surface-electrodes formed thereon, and a fourth ceramic sheet having a plurality of connection electrodes connecting the individual surface-electrodes and the individual inner-electrodes respectively. The connection electrodes have first portions, second portions and third portions respectively, the first portions facing the individual surface-electrodes and arranged at a pitch in a row in a row-direction, the second portions facing the individual inner-electrodes and being arranged in the row-direction to be shifted with respect to the first portions by half the pitch respectively; and the third portions connecting the first portions and the second portions respectively.

Abstract: A print head includes a first nozzle group which includes a plurality of first nozzles arranged linearly, and a second nozzle group and a third nozzle group which include a plurality of second nozzles and a plurality of third nozzles arranged linearly, and are disposed in parallel with each other and spaced from the first nozzle group by a first interval and a second interval at opposite sides of the first nozzle group, respectively.

Abstract: A printhead for an inkjet printer comprises a wafer assembly defining a plurality of spaced apart groups of ink supply channels and a plurality of groups of ink ejection nozzle arrangements. Each ink ejection nozzle arrangement comprises a nozzle chamber structure mounted to the wafer assembly. Each ink ejection nozzle arrangement further comprises an anchor extending from the wafer assembly in a location external to the nozzle chamber; and an elongate thermal actuator mechanism extending from the anchor and into the nozzle chamber. The thermal actuator mechanism comprises an elongate arm which terminates in a free end within the nozzle chamber, and a pair of layers of conductive material located on either side of the elongate arm. One of the layers is connected to a current supply for causing a differential thermal expansion in the elongate thermal actuator mechanism. A pit is defined adjacent each nozzle chamber structure for catching ink.

Abstract: A print assembly is provided having an elongate carrier that is mountable on a support structure of a printer, printhead integrated circuits mounted on the carrier, and control circuitry positioned on the carrier and operatively connected to the printhead integrated circuits to control operation thereof. The printhead integrated circuits are provided in a number and configuration such that the printhead integrated circuits define an elongate printing zone of at least 914 mm. Each printhead integrated circuit incorporates nozzle arrangements each having a nozzle, an ink chamber, an ink inlet, an actuator, and a drive circuit to achieve the ejection of ink from the nozzle arrangement. the nozzle arrangements and control circuitry are configured so that the printhead integrated circuits are controlled by the control circuitry to print more than one billion drops of ink per second.

Abstract: A nozzle unit having a nozzle, a flow channel unit having a pressure chamber and a through hole to be communicated with the pressure chamber and an actuator for causing the pressure chamber to discharge ink are respectively formed. The nozzle unit and the actuator have substantially the same planar dimensions. In the nozzle unit, a spacer plate having a communicating hole penetrating in the plate thickness direction corresponding to the nozzle is preliminarily bonded with the first plate, which is to be the nozzle plate, and the nozzle is formed at the first plate material through the communicating hole with laser. The nozzle unit and the actuator which have been respectively formed are bonded with the flow channel unit at positions facing each other simultaneously.

Abstract: A print head that ejects ink supplied through an ink supply port can prevent the size of satellites from being reduced while inhibiting an increase in resistance to an ink flow. In the print head, ink supply ports are arranged on both sides of a plurality of channels. A predetermined number of ink supply ports are arranged at least at one side of the ink channel all over the range of the arrangement of the channels. One side of each of the plurality of channels is connected via the common liquid chamber to the liquid supply port located so as to extend in a direction in which the channels are arranged.

Abstract: Techniques, systems, and computer program products that facilitate image printing. A technique may include receiving an image to be printed, using a first software component to selectively pre-process the image depending on a format of the image, and using a second software component to generate image queues from the pre-processed image. In that technique, each image queue includes at least one portion of image data associated with an association of print elements that corresponds to a configuration of print elements at a printing device. The technique may be implemented in a scalable system, by having multiple first software components and multiple second software components, where each of the first and/or second components can reside on a separate computer system.

Abstract: 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.

Abstract: A method for manufacturing a fluid ejecting head includes providing a channel unit including a vibrating plate having nozzle openings through which fluid is ejected and a pressure chamber that communicates with the nozzle openings. A piezoelectric unit includes a piezoelectric element that vibrates the vibrating plate of the channel unit and which includes a securing plate which secures the piezoelectric element. A head case having a housing chamber houses the piezoelectric unit which is pressed against the vibrating plate in a housing direction such that a portion of the piezoelectric unit is also pressed against a sidewall of the housing chamber. The piezoelectric element is secured directly the vibrating plate and the securing plate is secured directly to head case using a bonding process which is performed while the piezoelectric unit is being pressed against the vibrating plate and the sidewall.

Abstract: An inkjet head comprises a plurality of individual electrodes each of which includes a first part and a second part connected to an end portion B of the first part. The end portion B is one of the end portions of a first part in a longitudinal direction of a pressure chamber. The second part of each of the individual electrodes corresponding to a first pressure chamber line is positioned between two first parts corresponding to two respective pressure chambers neighboring each other in a second pressure chamber line, so that an end portion C of the second part crosses over a line connecting each end portion D of the two first parts.

Abstract: A print head unit (10) for manufacturing a patterned layer on a substrate is provided. The print head unit includes a first print head (12a), a second print head (12b), a third print head (12c), and a print head frame (11). The print head unit further includes parallelism adjusting means and position adjusting means. The parallelism adjusting means configured for rotationally moving at least one of the first print head and the third print head relative to the second print head so as to adjust parallelism between the first nozzle line, the second nozzle line, and the third nozzle line. The position adjusting means is configured for linearly moving at least one of the first print head and the third print head in the nozzle line direction.

Abstract: A discharge failure nozzle, which cannot print, can be complemented by a printable discharge nozzle according to a simple, low-cost method capable of a high-speed process. A printing apparatus, which prints by using an inkjet head having nozzle arrays formed by arraying a plurality of nozzles for discharging ink while scanning the inkjet head on a printing medium, includes a storage unit which stores the position of an abnormal nozzle that abnormally discharges ink among the plurality of nozzles arrayed in the nozzle arrays, an assignment unit which assigns data subjected to discharge by the abnormal nozzle to a plurality of normal nozzles positioned near the abnormal nozzle in a nozzle array including the abnormal nozzle in accordance with predetermined priorities, and a control unit which controls to perform assignment of data subjected to discharge by the abnormal nozzle every time column data along the scanning direction are created by a predetermined number of columns.

Abstract: A printhead is provided for an inkjet printer. The printhead includes a wafer assembly defining a plurality of spaced apart groups of ink supply channels and a plurality of groups of ink ejection nozzle arrangements in fluid communication with respective ink supply channel groups. Each ink ejection nozzle arrangement includes a nozzle chamber structure mounted to the wafer assembly. Each ink ejection nozzle arrangement also defines a nozzle chamber for receiving ink from an ink supply channel and a nozzle rim through which ink in the nozzle chamber can be ejected. An anchor extends from the wafer assembly in a location external to the nozzle chamber. An elongate thermal actuator mechanism extends from the anchor and into the nozzle chamber.

Abstract: The present invention provides an ink jet printing apparatus that can inexpensively print desired colors without causing ink color mixture. In a print head, a plurality of nozzle rows for respective ink colors are arranged in parallel with one another. Arrangements and driving control are provided so that few mists resulting from an ink ejecting operation move so as not to reach the print head or fall.

Abstract: An ink jet recording apparatus comprising a color ink container having a capacity V1 accommodating therein a solvent polymerizable in the presence of an acid and a colorant, a reaction liquid container having a capacity V2 (V2<V1) accommodating therein a reaction liquid comprising a solvent, and a photo-acid generating agent capable of generating an acid when irradiated with light, a stirring container mixing the color ink and the reaction liquid at a mixing ratio of S1:S2 (the color ink:the reaction liquid) to prepare a recording ink, a color ink supply means feeding the color ink to the stirring container, a reaction liquid supply means feeding the reaction liquid to the stirring container, an ink jet recording head ejecting the recording ink to a recording medium, and a supply tube feeding the recording ink to the recording head.

Abstract: 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.

Abstract: 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 rows.

Abstract: 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.

Abstract: The present invention relates to an integral printhead assembly for use in association with an industrial printing apparatus. The integral printhead assembly is a self-contained unit which can be quickly removed and replaced with another assembly with minimum downtime to the printing apparatus.

Abstract: The present invention provides a liquid ejecting head which inhibits the possible generation of satellites and possible inappropriate ejection during liquid ejection, enabling printing with improved image quality and reliability. Thus, ejection openings in the liquid ejecting head each selectively have projections or a circular shape depending on the characteristics of a liquid to be ejected.

Abstract: Atmospheric plasma inkjet printing apparatus and methods for fabricating color filters using the same. The atmosphere plasma inkjet printing apparatus includes a nozzle plate having a first column of nozzles and a second column of nozzles. An inkjet printhead module corresponds to the first column of nozzles. An atmospheric plasma module is corresponds to the second column of nozzles.

Abstract: 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.

Abstract: A printer module includes a housing. The housing surrounds a frame and defines footing holes. A print engine is housed within the housing and includes a pair of opposed print head assemblies for enabling double-sided printing on print media to be effected. Each printhead assembly includes a print media engaging roller and a pair of adjacent printheads configured to eject ink. Feet extend from the housing and are spaced apart to engage in respective footing holes defined in the housing of another printer module so that the printer modules can be stacked together.

Abstract: A printing method includes: preparing a printing apparatus provided with a carry unit that carries a medium in a carrying direction, and a plurality of nozzle groups that have respectively a plurality of nozzles lined up in the carrying direction; and printing an image to be printed on the medium by alternately repeating a dot forming process for forming dots on the medium by ejecting ink from each nozzle of a plurality of the nozzle groups that move in a moving direction, and a carrying process for carrying the medium in the carrying direction, and forming a plurality of rows of dots, lined up in the carrying direction, that are configured by a plurality of dots lined up in the moving direction, wherein in a case a certain row of dots is formed by a plurality of the nozzles, if, of a plurality of the nozzles that form the certain row of dots, the number of nozzles of a certain nozzle group is smaller than, of a plurality of the nozzles that form the certain row of dots, the number of nozzles of another nozzl

Abstract: A printhead assembly for an inkjet printer includes an elongate attachment member for attachment to a main body of the printer and defining a number of ink feed tubes extending through the attachment member to be in fluid communication with an ink supply from the main body. An elongate ink channel assembly is mounted longitudinally on the attachment member and defines a number of longitudinally extending ink channels in fluid communication with respective feed tubes. The ink channels include a central ink channel and at least one ink channel on each side of the central ink channel. A series of elongate printhead integrated circuits is mounted serially along the ink channel member and in substantial alignment with the central ink channel. The printhead integrated circuits define longitudinally extending rows of ink inlets and the ink channel assembly defines a plurality of ink openings in fluid communication with the ink inlets and the ink channels.

Abstract: A printhead positioning system is provided wherein the shuttle assembly is split up in a printing shuttle, having a high accuracy positioning capability and a utility shuttle needing only a low accuracy positioning system. Due to this split-up the mass of components which have to be positioned accurately is greatly reduced and therefore making it easier to position the lighter load accurately and allowing for use of cheaper drive systems while maintaining the high accuracy in printing.

Abstract: 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.

Abstract: An ink jet recording head includes at least three nozzle array groups, each including at least two nozzle arrays with an ink supply port interposed therebetween and each ejecting a different ink. Opening areas of the ejection outlets of the nozzle arrays in each array group are of different sizes. Two adjacent nozzle array groups each include three nozzle arrays. The nozzle array group not identified as one of the two adjacent nozzle array groups is supplied with ink having a highest lightness among the three kinds of inks.

Abstract: A piezoelectric device includes a substrate composed of a (110) single crystal silicon, a driver IC formed in the substrate, and a piezoelectric device that is formed above the substrate and is driven by the driver IC, wherein the driver IC has an analog switch including a transistor, the transistor having a channel direction in <001> orientation of the substrate.

Abstract: A method is provided to reliably form shot drops on all of a plurality of pixel areas. The method comprises a step of forming a plurality of shot drops by ejecting droplets from a plurality of nozzles of a drawing apparatus to a plurality of pixel areas on a substrate. The step of forming the plurality of shot drops includes a step of forming additional shot drops near predetermined ones of the plurality of shot drops.

Abstract: A modular printhead assembly includes a substrate member. A plurality of printhead modules is fastened to the substrate member. Each printhead module includes a layered structure through which at least differently colored inks are fed. The layered structure has at least a lower layer, a middle layer and a top layer, with the lower layer defining a number of channels in fluid communication with respective ink supplies, the middle layer defining a number of openings in fluid communication with the channels, and the top layer defining a number of channels on a bottom side and openings in a top side in fluid communication with the channels. A micro-electromechanical printhead integrated circuit is mounted on the layered structure. The printhead integrated circuit has a plurality of micro-electromechanical nozzles arranged on a silicon layer. The silicon layer defines a plurality of ink channels for feeding ink to the nozzles, the openings in the top layer being substantially aligned with the ink channels.

Abstract: 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.

Abstract: A printhead is provided having at least first and second rows of print nozzles. Each nozzle has first circuitry of a first type arranged on an opposite side of the nozzle as second circuitry of a second type. The respective positions of the first and second circuitry of each nozzle of the first row are rotated 180 degrees relative to the respective positions of the first and second circuitry of each nozzle of the second row.

Abstract: An inkjet printer system comprises a first cartridge having one or more ink storage reservoirs, an ink delivery assembly, and a printhead integrated circuit. The system further comprises a second cartridge having one or more ink storage reservoirs, an ink delivery assembly, and a printhead integrated circuit, and having a performance characteristic differing from that of the first cartridge. A first cradle is provided for receiving a cartridge, the cradle having a first controller board for controlling a printhead integrated circuit of the received cartridge. A second cradle is further provided for receiving a cartridge, the cradle having a second controller board for controlling a printhead integrated circuit of the received cartridge. The first cartridge, second cartridge, first cradle, and second cradle, are user interchangeable to vary a performance of the inkjet printer system.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: A liquid ejector includes a structure defining a chamber. The chamber includes a first surface and a second surface. The first surface includes a nozzle orifice. A drop forming mechanism is located on the second surface of the chamber opposite the nozzle orifice. A first liquid feed channel and a second liquid feed channel are in fluid communication with the chamber. A first segment of a segmented liquid inlet is in fluid communication with the first liquid feed channel and a second segment of the segmented liquid inlet is in fluid communication with the second liquid feed channel.

Abstract: 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.

Abstract: A method of manufacturing an electrooptical device includes forming a film-deposited section of function liquid droplets on a substrate by a liquid droplet ejection apparatus having a plurality of color-dependent function liquid droplet ejection heads are arranged such that a plurality of color-dependent partial imaging lines, each formed by a plurality of ejection nozzles, are formed so as to continuously make up a single imaging line in the Y-axis direction. An imaging process is performed by repeating a main scanning operation for driving each function liquid droplet ejection head in synchronization with moving of the substrate in the X-axis direction, and a sub-scanning operation for moving the function liquid droplet ejection heads through a carriage unit in the Y-axis direction by a length of a partial imaging line.

Abstract: A pagewide array of inkjet printheads arranged to reduce nozzle offset. The row of nozzles of each printhead are formed adjacent an edge of the semiconductor chip. Each alternate printhead chip is rotated 180 degrees with regard to its neighbor, thereby reducing the nozzle offset. A smaller nozzle offset minimizes the dot displacement error should the print medium be skewed with respect to the array of printheads.

Abstract: A recording apparatus has a recording head, a platen, and a first hole. The recording head includes a dot formation element array, and the platen holds a recording medium opposite the recording head. The first hole is disposed in an area of the platen opposite a downstream portion of the dot formation element array and guides ink discarded outside an end of the recording medium when the end is printed without a margin. Alternatively or additionally, a second hole is formed in an area of the platen opposite an upstream portion of the dot formation element array, and the platen guides ink, which is discarded outside an end of the recording medium when the end is printed without a margin, to the second hole.

Abstract: The present invention provides a light irradiating apparatus comprising a plurality of light emitting elements which emit light of a specific wavelength region and form elliptical light images on a surface to be irradiated, wherein the plurality of light emitting elements are mutually arranged so that the light images are made continuous along their major axis directions. Further, the invention also discloses the above-mentioned light irradiating process and an image recording process.

Abstract: A method for discharging droplets includes: discharging droplets of a plurality of variations of functional liquids by a plurality of discharge heads, on a coated area from a plurality of nozzles installed in each of the discharge heads, while scanning relatively over the coated area provided on a substrate; wherein a location of the nozzles is shifted in an orthogonal direction for each of the discharge heads, the nozzles being installed in an orthogonal direction on both edges whose direction is approximately orthogonal to a scanning direction, and, at the same time, the plurality of nozzles being arranged in each of the discharge heads, so that an overlapped discharge area, where discharge areas of all variations of the functional liquid overlap upon scanning, is formed; and wherein the discharge heads perform scanning so that the overlapped discharge area includes at least part of the coated area that is provided along a side that extends in the scanning direction, when discharging droplets of the functio

Abstract: 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.

Abstract: In an ink jet printing apparatus, preliminary ejection for a print head involving a plurality of distances from a common ink supply port to respective ejection openings is optimized. Specifically, for a first nozzle array and a second nozzle array with different distances from the ink supply port to the ejection opening, the ratio of a driving pulse width to a lower limit pulse width for the second nozzle array with the longer distance is set to be higher than the ratio for the first nozzle array with the shorter distance. This enables a reduction in the time required for preliminary ejection of the apparatus as a whole.

Abstract: An inkjet recording head includes a recording-element substrate having arranged therein multiple sets of nozzles that discharge ink, energy-generating elements that generate energy used for discharging the ink, and supply ports that supply the ink to the nozzles; and a sealant disposed around the recording-element substrate. The supply ports include a first supply port disposed near a first edge of the recording-element substrate and a second supply port disposed near a second edge of the recording-element substrate, the second edge being opposite to the first edge as viewed in the arrangement direction of the multiple sets. As viewed in the arrangement direction, a distance between the second edge and the second supply port is shorter than a distance between the first edge and the first supply port, and a volume of the sealant near the second edge is smaller than a volume of the sealant near the first edge.

Abstract: 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.