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Inkjet recording method and inkjet recording device

Transfer inkjet printer device

Apparatus and method for wiping an inkjet cartridge nozzle plate

Date/App# patent app List of recent Inkjet Head-related patents
08/21/14
20140232793
 Inkjet head and method of manufacturing the inkjet head patent thumbnailInkjet head and method of manufacturing the inkjet head
According to one embodiment, an inkjet head includes: a nozzle plate including plural nozzles; a piezoelectric element including plural pressure chambers corresponding to the nozzles and sidewalls provided adjacent to the pressure chambers and serving as driving elements configured to press the pressure chambers to eject liquid from the nozzles; a substrate to which the piezoelectric element is bonded; and a frame member placed on the substrate to surround the piezoelectric element. Grooves are formed on the upper end, and in which an adhesive is applied to bond the upper ends of the sidewalls and the nozzle plate..
08/21/14
20140232790
 Inkjet recording method and inkjet recording device patent thumbnailInkjet recording method and inkjet recording device
An inkjet recording method includes a step of forming an image by imparting an actinic ray curable ink composition containing a pigment, a polyfunctional polymerizable compound in which a content ratio to a total polymerization component is 80% by mass or more and a sensitizer in which a molecular weight is 1,000 or more onto a recording substrate which is an aggregate of a nonabsorbable or a low absorbable fiber material from an inkjet head under the conditions in which an amount of ink droplets is from 25 pl to 200 pl and a distance between the recording substrate and the inkjet head is from 5 mm to 20 mm, and a step of curing the image by irradiating the formed image with an actinic ray under the conditions in which an oxygen partial pressure is 1.5×10−2 mpa or less.. .
08/14/14
20140225966
 Transfer inkjet printer device patent thumbnailTransfer inkjet printer device
The transfer inkjet printer device includes an intermediate transfer body including an intermediate transfer surface capable of moving along a rotation route; an inkjet head used to discharge ink including toner particles onto the intermediate transfer surface at a first area in the rotation route in a state where the toner particles are charged, so as to form an intermediate image composed of an ink layer on the intermediate transfer surface; a pressure device used to press the ink layer of the intermediate image on the intermediate transfer surface, onto a surface of a recording medium at a second area in the rotation route; and an electric field application device used to electrophorese the charged toner particles in the ink layer of the intermediate image toward the recording medium at the second area.. .
08/14/14
20140225958
 Apparatus and method for wiping an inkjet cartridge nozzle plate patent thumbnailApparatus and method for wiping an inkjet cartridge nozzle plate
In a system and method for using a wiper to clean a nozzle plate of an inkjet head, a spring is disposed between the wiper and a mounting body, and the mounting body has a top portion and a bottom portion. The wiper is disposed proximate the top portion of the mounting body relative to the bottom portion of the mounting body.
07/31/14
20140210883
 Inkjet printer and method for determining ink discharging timing patent thumbnailInkjet printer and method for determining ink discharging timing
An inkjet printer is configured to acquire gap variation information related to a variation of a gap between a specific portion of an ink discharging surface and a recording sheet as a function of an inkjet head position, the specific portion located within a usage nozzle disposed area where usage nozzle rows to be actually used are disposed, determine representative gap variation information related to a variation, as a function of the inkjet head position, of a representative gap representing actual gaps between the usage nozzle rows and the recording sheet, by multiplying the gap variation information by a correction coefficient dependent on a width of the usage nozzle disposed area in a head moving direction and a wavelength of a wave shape of the recording sheet, and determine ink discharging timing based on the representative gap variation information, assuming that the actual gaps are equal to the representative gap.. .
07/17/14
20140199472
 Ejection volume correction method for inkjet head, ejection volume correction apparatus patent thumbnailEjection volume correction method for inkjet head, ejection volume correction apparatus
An aspect of the present invention provides an ejection volume correction method for an inkjet head, including: an arranging step of ejecting functional ink as ink droplets from nozzles of an inkjet head so as to discretely arrange the ink droplets on a front surface of a substrate; a contacting step of filling the functional ink in between a mold and the substrate by causing the mold to contact the ink droplets arranged on the front surface of the substrate; a curing step of curing the filled functional ink so as to generate a functional film ; a separating step of separating the mold from the functional film; a measuring step of measuring a thickness of the functional film; and a correcting step of correcting an ejection volume from the nozzles based on the measured thickness.. .
07/10/14
20140192369
 Automatic printing adjustment method for page-width array printing device patent thumbnailAutomatic printing adjustment method for page-width array printing device
An automatic printing adjustment method for a page-width array printing device is provided. The page-width array printing device includes a printing module, a scanning module and a print region.
07/03/14
20140184703
 Substrate for inkjet head, inkjet head, and inkjet printing apparatus patent thumbnailSubstrate for inkjet head, inkjet head, and inkjet printing apparatus
There are provided a substrate for an inkjet head, an inkjet head, and an inkjet printing apparatus wherein in a case where current is carried through a protection layer for heating resistors, electrical connection to its periphery is prevented without fail. The substrate for the inkjet head includes a first protection layer disposed to cover a heating resistor layer and having an insulation property and a second protection layer disposed to contact the first protection layer and having conductivity.
07/03/14
20140184700
 Substrate for inkjet head and inkjet head patent thumbnailSubstrate for inkjet head and inkjet head
There are provided a substrate for an inkjet head and an inkjet head wherein in a case where a protection layer of heating resistors is energized, an electrical connection with portions around the protection layer is more reliably cut. A first protection layer provided for the substrate for an inkjet head includes individual sections provided at positions corresponding to the plurality of heating resistors and a common section which commonly connects the plurality of individual sections.
07/03/14
20140184696
 Method for adjusting head module, method for manufacturing inkjet head,and inkjet head patent thumbnailMethod for adjusting head module, method for manufacturing inkjet head,and inkjet head
A method for adjusting a head module of an inkjet head in which a plurality of head modules having nozzles capable of ejecting droplets are connected and linked together is disclosed. The inkjet head has an overlapping region in which an arrangement sequence of the head modules corresponding to the ejected droplets is alternate between adjacent head modules.
06/26/14
20140176648
Method of supplying fluid to a fluid ejection head, fluid supply mechanism, and fluid ejection device
A drop in the throughput of continuous printing operations caused by refilling a subtank with ink is suppressed. The control unit of an inkjet printer 1 fills subtanks 11a-11d with ink whenever ink consumption exceeds a reference volume q during continuous printing.
06/26/14
20140176627
Inkjet head driving method and driving device
According to one embodiment, a driving device applies an ejection pulse signal that deforms a partition in such a way that an ink drop is ejected from a nozzle and an auxiliary pulse signal that deforms the partition to such an extent that an ink drop is not ejected from the nozzle, as a drive signal for providing a potential difference between electrodes, to an inkjet head at different timings so that the two pulse signals are not applied simultaneously. A constraint on output of the auxiliary pulse signal is significantly relaxed..
06/12/14
20140160208
Inkjet head and method for manufacturing inkjet head
An inkjet head according to an embodiment includes a base portion, a driving element, a wire, a protection portion, and a boundary portion. The base portion includes a mounting surface.
06/12/14
20140160195
Pulse generator
A pulse generator forms, from setting data respectively stored in an ejection relevant waveform setting register and a first high impedance setting register, an ejection relevant driving pulse for setting an electrode of an ink chamber communicating with an ejection relevant nozzle to a high impedance state for a predetermined period. The pulse generator forms, from setting data respectively stored in an ejection both-side waveform setting register and a second high impedance setting register, an ejection both-side driving pulse for setting electrodes of ink chambers communicating with ejection both-side nozzles to the high impedance state for the predetermined period.
06/12/14
20140160194
Driving device and driving method of inkjet head
There is provided a controller which sets electrodes which are respectively disposed on wall surfaces of a plurality of ink chambers which are arranged in parallel so as to be separated from each other by partitions made of a piezoelectric material, to a high impedance state. In addition, at a timing when an identical potential is applied to the electrodes of at least three ink chambers which are arranged in parallel so as to be separated from each other by mutually adjacent partitions, the controller sets electrodes of ink chambers other than ink chambers located on both sides to a high impedance state..
05/22/14
20140141682
Inkjet apparatus for deposting liquid crystal
An inkjet apparatus for depositing liquid crystal according to an exemplary embodiment of the present invention includes: an inkjet head configured to discharge liquid crystal; a liquid crystal reservoir configured to provide the liquid crystal to the inkjet head, and the liquid crystal reservoir comprises metal; a storing tank configured to supply the liquid crystal to the liquid crystal reservoir; and a heat supply device configured to supply heat to the liquid crystal reservoir, in which a separation part is disposed inside of the liquid crystal reservoir, and the separation part divides the liquid crystal reservoir into an upper storing space and a lower storing space.. .
05/08/14
20140125739
Inkjet head and method of manufacturing the same
According to one embodiment, an inkjet head comprises a substrate, and a nozzle plate. The substrate includes grooves.
04/24/14
20140111577
Maintenance apparatus and inkjet recording apparatus
According to one embodiment, there is provided a maintenance apparatus for removing ink from a nozzle surface of an inkjet head including a first region where a first nozzle is provided, a second region where a second nozzle is provided, and a third region located between the first region and the second region. The maintenance apparatus includes a first positioning section, a first wiping blade, and a second wiping blade.
04/24/14
20140111573
Method for analyzing positional deviation of head modules, recording medium, and method for adjusting inkjet head
A method for analyzing positional deviation of head modules of an inkjet head having head modules connected and joined with each other includes: dividing a printing pattern and thereby creating division patterns; obtaining conversion factors of the nozzles of each division pattern; changing the number of nozzles used in calculation and thereby obtain a minimum value of a standard error of a positional deviation shift amount; changing the number of divisions of the division patterns and performing the calculation of the conversion factor and the standard error with the changed division patterns; determining the number of divisions and the number of nozzles with which the value of the standard error is minimal; and creating an analysis chart with the determined number of divisions and calculating the positional deviation shift amount based upon an average value of the positional deviation shift amounts of nozzles corresponding to the determined number of nozzles.. .
04/03/14
20140092172
Image formation method
An image formation method includes an ink ejection process of ejecting, from an inkjet head having a liquid-repellent film on an ejection surface thereof, an ink composition including: an oxidative-treated carbon black pigment having an average primary particle diameter of 25 nm or less and having an amount of oxygen of 5 atomic % or more on a surface thereof; a water-soluble nonionic compound including at least one selected from the group consisting of an ethyleneoxy chain and a propyleneoxy chain and in which a total number of the ethyleneoxy chain and the propyleneoxy chain is from 3 to 25; and water.. .
04/03/14
20140092167
Method for producing inkjet head, inkjet head, method for producing inter-member electrification structure, and inter-member electrification structure
Wherein a melting point tb[° c.] of the solder bumps and a cure initiation temperature tr[° c.] of the resin adhesion sections meet a relation (tr[° c.]≦tb[° c.]≦tr+30[° c.]).. .
03/27/14
20140085381
Inkjet head and manufacturing method for the inkjet head
According to one embodiment, an inkjet head includes a base, a driving element, a nozzle plate, electrodes, wires, a supplying unit, and a discharging unit. The base includes an attachment surface and a side surface crossing the attachment surface.
03/27/14
20140085377
Inkjet recording device and method for maintaining same
There are provided an inkjet recording device that can stably secure liquid-repellent performance on a surface of a liquid-repellent film formed on a nozzle surface for a long term, and a maintenance method thereof. The inkjet recording device includes: an inkjet head that has a nozzle surface in which a nozzle opening of a nozzle to eject a liquid is formed and on which a liquid-repellent film is formed with an amorphous fluorine resin material; a cleaning portion that wipes off and cleans a surface of the liquid-repellent film by a wiping member; and a liquid-repellent performance recovery processing portion that performs liquid-repellent performance recovery processing to recover liquid-repellent performance on the surface of the liquid-repellent film by heating the liquid-repellent film..
03/20/14
20140078204
Image forming apparatus
An image forming apparatus includes at least one inkjet head which is disposed above a feed path of a print medium and on which plural nozzles are aligned along a primary sweeping direction perpendicular to a feed direction of the print medium fed along the feed path. The image forming apparatus forms images by ejecting ink droplets from the nozzles.
03/13/14
20140072777
Thermally cross-linkable photo-hydrolyzable inkjet printable polymers for microfluidic channels
Thermally cross-linkable photo-hydrolyzable inkjet printable polymers are used to print microfluidic channels layer-by-layer on a substrate. In one embodiment, for each layer, an inkjet head deposits droplets of a mixture of hydrophobic polymer and cross-linking agent in a pattern lying outside a two-dimensional layout of the channels, and another inkjet head deposits droplets of a mixture of poly(tetrahydropyranyl methacrylate) pthpma (or another hydrophobic polymer which hydrolyzes to form a hydrophilic material), cross-linking agent, and a photoacid generator (pag) in a pattern lying inside the two-dimensional layout of the channels.
03/06/14
20140063167
Inkjet recording device
To provide an inkjet recording device that makes it possible to have a constant gap between a recording medium and the nozzle surface of an inkjet head in the direction of extension of a head support member even in a case where a print section supporting the inkjet head with bilateral anchoring via the head support member has low rigidity, the invention is provided with a print section including a left base plate and a right base plate for supporting, by bilateral anchoring via a carriage guide, an inkjet head for printing on a recording medium; and a leg movement section that is provided to the right base plate and moves the right base plate toward the left base plate to correct for a bending of the carriage guide.. .
03/06/14
20140063109
Recording apparatus
It is provided with an apparatus main body that has a medium feed mechanism feeding a recording medium along a feed route, a printing section that has an inkjet head, which performs printing on the recording medium, and has a movable and adjustable configuration in a separate direction with respect to the feed route in response to a thickness of recording mediums, and a medium detection section that detects a lifting on the recording medium from the feed route by detection light emitted along the surface of the recording medium, which is feeding. The medium detection section is attached in the printing section side..
03/06/14
20140063095
Ink jet head
An ink jet head according to an embodiment comprises a substrate including a mounting surface and a pressure chamber, a vibration plate including a first surface fixed to the mounting surface and covering the pressure chamber, and a second surface opposite the first surface. The ink jet head further comprises a first electrode on the second surface, a piezoelectric body overlapping the first electrode, a second electrode overlapping the piezoelectric body, and a protective film provided on the second surface.
03/06/14
20140063092
Inkjet recording apparatus
To provide an inkjet recording apparatus in a simple configuration that can accurately adjust a gap between a nozzle surface of an inkjet head and a recording medium placed on a feed route with simple operations, it is provided with a printing section having an inkjet head and performing printing on a recording medium, an apparatus main body having a pair of side frames that supports the printing section so as to stand the inkjet head face to face with the recording medium and a medium feed mechanism that feeds the recording medium along a feed route, and a gap adjustment section moving the printing section in parallel with respect to the pair of side frames in a separate direction and adjusting a gap between the nozzle surface of the inkjet head and the recording medium placed on the feed route.. .
03/06/14
20140062076
Inkjet recording method and printed material
An inkjet recording method of the present invention includes preparing an inkjet recording apparatus having an inkjet head that has n (n≧4) nozzle arrays, so as to respectively discharge inks of at least four colors of cyan, magenta, yellow and black, having nozzles arranged in a first direction at a predetermined pitch p for discharging a curable ink which is cured by providing active energy, each of the nozzle arrays is arranged to be shifted in the first direction so as to have distances of more than 0 among each virtual line extending from each nozzle in a second direction perpendicular to the first direction, in which the viscosity of any of the respective inks at 25° c. Is 10 to 30 mpa·s..
02/27/14
20140055525
Inkjet head storage and cleaning
Inkjet head cleaning and storage includes cleaning an orifice plate by inserting a tip of a shaped wiper into a slit of a printing mask, such that one or more shoulders of a handling end of the shaped wiper are in contact with respectively one or more edges of the slit. The shoulders of the shaped wiper facilitate the tip applying a predetermined pressure to an orifice surface during wiping.
02/20/14
20140049574
Inkjet head driving device
According to one embodiment, an inkjet head driving device includes a load-voltage generating circuit and a plurality of channel driving circuits provided to respectively correspond to a plurality of channels of an inkjet head. The load-voltage generating circuit selects any one voltage out of a reference voltage and a driving voltage having potential other than the reference voltage and outputs the voltage.
02/13/14
20140043418
Inkjet recording device
Provided is an inkjet printing apparatus that can dry a medium immediately after printing or bleed-through ink while preventing the medium or bleed-through ink from being in contact with a dryer. In an inkjet printing apparatus including an inkjet head (20) for discharging ink onto a mesh-like media (10) having througth holes penetrating from the top surface, which is the printing surface, to the bottom surface, a feeder (12) for feeding the mesh-like medium (10) in a feed direction, and a dryer for drying the mesh-like medium (10) hit by ink discharged from the ink-jet head (20), the dryer has a blower (28) aced under the mesh-like medium 10) for applying an air flow to the bottom surface of the mesh-like medium (10) with the top surface hit by the ink..
02/13/14
20140043399
Inkjet head and method of manufacturing inkjet head
A wiring substrate, wherein wiring electrodes are formed to apply voltage to the driving electrode through the connection electrode, bonded on the rear surface of the head chip to protrude from the head chip in a direction perpendicular to a direction of a channel array so that all the channels are exposed at the rear surface of the head chip.. .
02/13/14
20140043386
Inkjet recording apparatus
Curing processing is realized according to differences in absorption characteristics of activation light among inks and characteristics of layers to be formed with the inks. A scanning device reciprocally moves in a first direction an inkjet head including a first nozzle array ejecting a first ink and a second nozzle array ejecting a second ink; a relative movement device relatively moves a recording medium in a second direction with respect to the head; an ejection control device divides the nozzle array into regions in the second direction and controls ink ejection for each unit of the divided nozzle region; an activation light irradiation device irradiates the inks deposited on the medium with the activation light; an irradiation region dividing device divides an irradiation range into divided irradiation regions corresponding respectively to the divided nozzle regions; and a light quantity control device controls light quantities respectively for the divided irradiation regions..
01/09/14
20140009524
Method of forming ink ejection adjustment pattern, ink ejection adjustment method for inkjet head and inkjet printer
An ejection adjustment pattern forming method of forming an ejection adjustment pattern on a print medium with an inkjet head, which has a plurality of nozzles, with moving the inkjet head in a predetermined scanning direction. The method forms a plurality of thickness measurement patterns respectively on a plurality of pattern forming areas defined on the print medium by causing the plurality of nozzles of the inkjet head to eject ink drops, and forms a plurality of judging patterns respectively on the plurality of pattern forming areas.
01/02/14
20140002540
Inkjet printer with ink collection device
An inkjet printer includes a printer chassis, an inkjet head attached to the printer chassis, a belt connected to the inkjet head, a motor, and an ink collection device. The motor is secured to the printer chassis and meshes with the belt.
01/02/14
20140002525
Method and apparatus for printing
A method for printing on a continuous sheet with an inkjet head includes printing a plurality of images in sequence and performing plural kinds of maintenance operations by using intermediate areas located between one of the images and next one of the images in accordance with a schedule, and setting the schedule such that a first maintenance operation included in the plural kinds of maintenance operations and a second maintenance operation which is performed with frequency different from that of the first maintenance operation are not performed at the same intermediate area.. .
01/02/14
20140002521
Apparatus for and method of driving multi-nozzle piezo-inkjet head based on digital grayscale
There is provided an apparatus for and method of driving a multi-nozzle piezo-inkjet head based on a digital grayscale, the apparatus including: a control unit providing a pulse data signal having at least one pulse waveform according to graphic image data, controlling a voltage variation according to a frequency response characteristic of the multi-nozzle piezo inkjet head, and controlling a voltage amplification, so as to eject droplets of ink at a previously set jetting frequency according to the graphic image data; a variable voltage supply unit generating a varied operating voltage by varying a level of a previously set direct current voltage; and an amplification circuit unit generating a voltage driving waveform including at least one pulse waveform having the level of the varied operating voltage, and supplying the voltage driving waveform to the multi-nozzle piezo inkjet head.. .
12/26/13
20130342610
Piezoelectric actuator, inkjet head assembly and method of manufacturing the same
There are provided a piezoelectric actuator, an inkjet head assembly, and a method of manufacturing the same. The piezoelectric actuator includes upper and lower electrodes providing a driving voltage; and a piezoelectric body provided between the upper and lower electrodes and providing driving force to ink within each of a plurality of pressure chambers provided in an inkjet head, wherein the piezoelectric body includes branch portions separately provided on an upper portion of each of the plurality of pressure chambers and a large area portion connected to one end of each of the plurality of branch portions and integrally formed, and a connective electrode pattern is provided on a portion of each of the upper electrodes corresponding to the large area portion..
12/26/13
20130342608
Circuit device and inkjet head assembly
A circuit device according to an aspect of the present invention includes a circuit board which has one or more wiring layers formed on a base material and has an insulating layer laminated on a surface of the base material opposite to the one or more wiring layers, and a guiding member which is configured to encircle at least a part of an end face of the circuit board so that a space is formed with the end face and to guide movement of a dried body which is supplied to the formed space.. .
12/26/13
20130342598
Inkjet printer
In an inkjet head, at least one of a plurality of nozzle arrays to eject ink of different colors from one another is arranged with nozzles displaced in position from nozzles of the other nozzle arrays in an arrangement direction of the nozzles. A controller is configured to reduce an amount of ink to be ejected to a pixel at an end portion of an image on one side in the arrangement direction from a nozzle array of the plurality of nozzle arrays having a nozzle protruding to the one side the most among the nozzles of the nozzle arrays for a same ejection target pixel..
12/19/13
20130335480
Inkjet printer
An inkjet printer has a nozzle cap that keeps the nozzle surface of the inkjet head moisturized, and can keep the nozzle cap moist by means of a simple mechanism. A check processing device incorporating the inkjet printer has an inkjet head, a nozzle cap that covers the nozzle surface of the inkjet head and keeps the nozzle surface moist, and a shutter that closes the open part of the nozzle cap to keep the inside of the nozzle cap moist.
12/19/13
20130335469
Inkjet recording apparatus and method for controlling the same
In an inkjet head which has nozzle rows having nozzles each of which ejects curable inks cured by imparted activation energy and which are arranged in a first direction at a pitch p, the nozzle rows being n (n≧5) nozzle rows of every color which eject, respectively, thick inks of four colors including cyan, magenta, yellow and black, and at least one light ink among light inks similar in color tone to the thick inks, the nozzles in each of the nozzle rows are arranged so as to be shifted by p/n from each other in a first direction, a nozzle of an ink with lowest cure sensitivity is arranged on the most upstream side in a direction of relative movement of a recording medium in the first direction, and further the nozzle of light ink is arranged in between the nozzles of two different thick inks.. .
12/05/13
20130321530
Ink-jet head and ink-jet recording apparatus
The inkjet head for discharging a water-based ink for inkjet recording is disclosed, the inkjet head including two or more types of metal members used at portions to be brought in contact with the water-based ink, wherein at least two of the two or more types of the metal members are electrically connected, and the two or more types of the electrically connected metal members have spontaneous potentials each of which is measured with a reference electrode ag/agcl in the water-based ink and which provide an absolute value of a maximum difference therebetween, the absolute value being not more than 60 mv. An ink jet head is provided, in which any corrosion of a metal member is suppressed..
11/28/13
20130316473
Method of processing inkjet head substrate
A method of processing an inkjet head substrate includes, in series, a step of forming a barrier layer on a substrate and forming a seed layer on the barrier layer, a step of forming a resist film on the seed layer and patterning the resist film such that the resist film has an opening corresponding to a wiring section configured to drive ink discharge energy-generating elements, a step of forming the wiring section in the opening of the patterned resist film, a step of removing the resist film, a step of laser-processing a surface of the substrate, a step of forming an ink supply port by anisotropically etching the substrate, and a step of removing the barrier layer and the seed layer.. .
11/07/13
20130293609
Inkjet recording apparatus
An inkjet recording apparatus 1 which is able to print glossy images is provided. The apparatus includes a carriage 4 moving back and forth in a main scanning direction, a plurality of inkjet heads 5 mounted on the carriage 4 for discharging ink droplets in a medium, and an ultraviolet irradiator 6 mounted on the carriage for irradiating ultraviolet rays.
11/07/13
20130293604
Inkjet head device and method of controlling inkjet head
According to one embodiment, an inkjet device includes: an ink circulating device configured to communicate with an inkjet head to form an ink circulating system; an arithmetic unit configured to calculate, on the basis of pressure detected from the ink circulating system, pressure in an ink discharge port section according to an arithmetic expression set in advance; a pressure determining unit configured to determine, with proper nozzle pressure in the ink discharge port not discharging ink set as a reference value, whether a value calculated by the arithmetic unit is positive pressure or negative pressure with respect to the reference value; and a negative pressure regulator configured to communicate with the ink circulating system and perform, if the pressure determining unit determines that the value is the positive pressure, an ink reducing operation in the ink circulating system and increase a negative pressure value on the ink discharge port. The pressure determining unit changes the reference value to a negative pressure side..
10/31/13
20130286128
Printer control method and printer
A printer has a fluid ejection head, an opening/closing mechanism that is disposed opposite the inkjet head, and suction holes arrayed in the conveyance direction of the recording paper, and opens and closes the suction holes. A printer control method has steps of detecting the position of the leading end of the recording paper before starting conveyance of the recording paper; reading the next recording paper conveyance speed vpf; calculating a delay time td1 for starting the opening/closing mechanism after recording paper conveyance starts based on the position of the leading end of the recording paper and the recording paper conveyance speed vpf; determining the time when the opening/closing mechanism starts operating based on the delay time td1; and starting the opening/closing mechanism at the start time and opening the suction holes..
10/24/13
20130278661
Method, inkjet printer, and system for acquiring deviation values of ink landing positions
A method including acquiring a first deviation value of ink landing positions in each position in a first range from a first pattern printed over the first range of a recording sheet in a scanning direction at a first moving velocity of an inkjet head, acquiring variation information representing a variation in the scanning direction of the first deviation value, acquiring from the variation information a first representative value representing the first deviation value in the first range, acquiring a second deviation value from a second pattern printed over a second range included in the first range at a second moving velocity of the inkjet head, acquiring a second representative value representing a deviation value in the first range at the second moving velocity, based on the second deviation value and a difference between the first representative value and the first deviation value in the second range.. .
10/24/13
20130278655
Inkjet printer
An inkjet printer is provided that includes a control device configured to determine ink discharge moments to sequentially discharge ink droplets from a specific one of nozzles, in such a manner that a time interval between any two successive ones of the ink discharge moments is longer than a predetermined time period required for an operation to be executed by an inkjet head when forming a single dot, based on gap variation information related to a variation, in a scanning direction, of a gap between an ink discharge surface and a recording sheet held in a wave shape.. .
10/17/13
20130271541
Inkjet recording apparatus
An inkjet recording apparatus 1 which is able to print high quality images by changing ultraviolet intensity in the sub-scanning direction. The inkjet recording apparatus 1 includes a carriage moving back and forth in the main scanning direction, inkjet heads 5 mounted on the carriage 4 for discharging ink droplets, and an ultraviolet irradiator 6 mounted on the carriage 4 for irradiating ultraviolet rays.
10/17/13
20130271528
Inkjet head unit and inkjet recording device
The object is to provide an inkjet head unit having: head chips having nozzles arranged on nozzle faces, and capable of discharging ink by respective independent pressure generating module from pressure chambers communicating with the nozzles; and a tabular head unit base on which the head chips are arranged and which is capable of holding the head chips, of abutting faces of the head unit base and the head chip, at least one of the abutting face on the head unit base side and the abutting face on the head chip side is formed in a stepped shape, so that the height of the abutting face of the head chip relative to the surface of the head unit base is partially changed, and the head chip is thereby attached to be inclined relative to the surface of the head unit base.. .
10/17/13
20130271518
Inkjet printer
An inkjet printer is provided that includes a control device configured to determine an ink discharge moment when an inkjet head discharges an ink droplet from nozzles while moving within at least one of a acceleration range to accelerate the inkjet head and a deceleration range to decelerate the inkjet head, based on a distance between an ink discharge surface of the inkjet head and a recording sheet held in a predetermined wave shape and an amount of change in a moving velocity of the inkjet head.. .
10/10/13
20130267143
Method of jetting a liquid crystal, liquid crystal jetting apparatus for performing the method and method of manufacturing a liquid crystal panel using the apparatus
A method of jetting a liquid crystal includes loading a substrate on a stage, controlling a surface temperature of an inkjet head and a substrate to be a setting temperature, and jetting the liquid crystal molecules on the substrate having the setting temperature.. .
10/03/13
20130257965
Inkjet recording apparatus
An inkjet recording apparatus according to an aspect of the present invention includes: a carriage incorporating an image forming unit which forms an image on a recording medium by ejecting ink from an inkjet head; a scanning device which scans the recording medium by bi-directionally moving the carriage along a direction perpendicular to a direction of conveyance of the recording medium; a platen arranged opposite the carriage and supporting the recording medium from a rear surface side thereof; and a temperature control device carrying out temperature control of the platen by a temperature adjustment mechanism provided on the carriage or is provided detachably, wherein the temperature control device carries out temperature control throughout the whole range of the platen in the width direction, by moving the carriage by the scanning device.. .
10/03/13
20130257948
Inkjet printer and method for determining ink discharging timing
An inkjet printer is configured to acquire gap variation information related to a variation of a gap between a specific portion of an ink discharging surface and a recording sheet as a function of an inkjet head position, the specific portion located within a usage nozzle disposed area where usage nozzle rows to be actually used are disposed, determine representative gap variation information related to a variation, as a function of the inkjet head position, of a representative gap representing actual gaps between the usage nozzle rows and the recording sheet, by multiplying the gap variation information by a correction coefficient dependent on a width of the usage nozzle disposed area in a head moving direction and a wavelength of a wave shape of the recording sheet, and determine ink discharging timing based on the representative gap variation information, assuming that the actual gaps are equal to the representative gap.. .
10/03/13
20130257941
Inkjet device and controlling method for inkjet device
An inkjet recording device includes an inkjet head that is equipped with a nozzle to discharge ink, an ink flow path connected to this inkjet head, an adjustment unit that adjusts the pressure in the ink flow path, and a maintenance unit that wipes the nozzle of the inkjet head, and a control unit that executes a maintenance mode of the inkjet head by controlling the adjustment unit and the maintenance unit. The control unit controls the maintenance unit to wipe the nozzle after the adjustment unit adjusts the pressure inside the ink flow path to a first positive pressure, and then again, after the adjustment unit adjusts the pressure in the ink flow path to a first negative pressure.
10/03/13
20130257938
Method and inkjet printer for acquiring gap information
An inkjet printer including an inkjet head, a head scanning unit, a wave shape generating mechanism to deform a recording medium into a predetermined wave shape, an obtaining device to obtain information concerning a type of the recording medium to be used in a printing operation, a gap information storing device to store gap information related to a gap between an ink discharging surface and the recording medium in association with a predetermined type of the recording medium, the gap information being acquired from a predetermined range in the recording medium, and a correcting device to correct the gap information according to the type of the recording medium obtained by the obtaining device when the type of the recording medium obtained by the obtaining device is different from the predetermined type of the recording medium stored in association with the gap information, is provided.. .
10/03/13
20130257937
Inkjet printer and method for acquiring gap information of the inkjet printer
An inkjet printer, including an inkjet head, a conveyer unit to convey a recording medium in a conveying direction, a position detecting unit to detect a position of the recording medium along the conveying direction, a wave shape generating mechanism to deform the recording medium into a predetermined wave shape along a direction orthogonal to the conveying direction, a gap information storing device to store gap information related to a gap between an ink discharging surface of the inkjet head and the recording medium, and a correcting device to correct the gap information according to a position of the recording medium along the conveying direction, is provided.. .
10/03/13
20130257936
Inkjet printer, gap detectable device, and a method to obtain fluctuation of gap levels
An inkjet printer including an inkjet head with an ink discharging surface, a head scanning unit to drive the inkjet head to reciprocate along a first direction, and a pattern-printing control device to control printing a gap level pattern on a recording medium, is provided. The pattern-printing control device controls the inkjet head and the head scanning unit to print the gap level pattern including a plurality of unit patterns, in each of which the first linear pattern and the second linear pattern intersect each other, aligned along the first direction by manipulating the inkjet head to form a plurality of first linear patterns, which are formed to intersect the first direction, along the first direction, and to form a plurality of second linear patterns, which are formed to intersect the first linear patterns respectively at a same angle, along the first direction..
10/03/13
20130257935
Method and inkjet printer for acquiring gap information
A method is provided that is implemented on a control device connected with an inkjet printer, which includes an inkjet head having an ink discharging surface, a head scanning unit reciprocating the inkjet head relative to a recording sheet along a scanning direction parallel to the ink discharging surface, and a wave shape generating mechanism deforming the recording sheet in a predetermined wave shape that has tops of portions protruding in a first direction toward the ink discharging surface and bottoms of portions recessed in a second direction opposite to the first direction alternately arranged along the scanning direction, the method including acquiring gap information related to a gap between the ink discharging surface and each individual one of the tops and the bottoms on the recording sheet, and determining whether the gap information acquired for each individual one of the tops and the bottoms is abnormal.. .
09/19/13
20130240871
Process for production of functional device, process for production of ferroelectric material layer, process for production of field effect transistor, thin film transistor, field effect transistor, and piezoelectric inkjet head
A method of producing a functional device according to the present invention includes, in this order: the functional solid material precursor layer formation step of applying a functional liquid material onto a base material to form a precursor layer of a functional solid material; the drying step of heating the precursor layer to a first temperature in a range from 80° c. To 250° c.
09/12/13
20130235125
Inkjet head and methods for forming same
According to one embodiment, an inkjet head has a pressure chamber configured to pressurize ink, a nozzle connected to the pressure chamber configured to eject the ink, and an electrode arranged in the pressure chamber. The electrode is configured to receive a driving voltage to deform the pressure chamber in order to apply pressure on the ink.
09/12/13
20130235120
Structure body having liquid-repellent surface, nozzle plate of inkjet head, and method of cleaning structure body and nozzle plate
A structure body has a liquid-repellent surface exhibiting repellency to a liquid. The structure body includes: a substrate which has a base surface; and a plurality of projections which are arranged on the base surface of the substrate.
09/12/13
20130235109
Method of controlling printing in a printer, and a printer
A printer enables setting roll paper in a center-referenced position based on received paper width information, and printing correctly to the printing area of the paper set to the centered position. When the paper width of the paper used for printing is not contained in the received data, the printer sets the paper width of the paper for printing to the maximum paper width.
09/12/13
20130235108
Inkjet recording apparatus, image processing apparatus, and image processing method
An inkjet recording apparatus includes: a registration shift amount setting device configured to relatively set, between inkjet heads corresponding to colors different to each other, a registration shift amount of recording positions in a nozzle row direction of the inkjet heads; an interpolated image generating device configured to generate, in accordance with the registration shift amount, image data of an interpolated image from, among original image data representing tone values of the respective colors, the original image data of one of the colors corresponding to the inkjet head for which the registration shift amount has been set; a halftone processing device configured to generate color-specific halftone images by performing halftone processing on the image data of the interpolated image and the original image data of the other colors; and an ejection control device configured to control ejection operations of the inkjet heads in accordance with the color-specific halftone images.. .
09/12/13
20130235107
Color measuring method and recording apparatus
A color measuring method includes: recording color patterns on a sheet by an inkjet head; measuring colors of the color patterns formed on the sheet; and recovering the inkjet head, wherein the recovering is prohibited within a period after the recording and before the measuring.. .
09/05/13
20130229468
Method of supplying fluid to a fluid ejection head, fluid supply mechanism, and fluid ejection device
A drop in the throughput of continuous printing operations caused by refilling a subtank with ink is suppressed. The control unit of an inkjet printer 1 fills subtanks 11a-11d with ink whenever ink consumption exceeds a reference volume q during continuous printing.
09/05/13
20130229462
Inkjet head and method for producing inkjet head
An inkjet head and a production method wherein the inkjet head is produced by forming a film on a head chip having a channel member with an ink channel formed thereon and joining an end surface of the head chip coated with the film to a nozzle plate. The method includes a step of applying an adhesive containing spherical particles, whose volume average particle diameter is in the range of 0.95*rz (mv) to 2.0*rz (mv), in the range of 0.1 volume % to 10.0 volume % to at least one of the end surface of the head chip and a joint surface of the nozzle plate and then joining the nozzle plate..
08/29/13
20130224445
Method and system for ink jet printing images to complex contoured surfaces of ceramic and glass items such as dishware
A glass or ceramic dishware item with an image disposed thereon is provided. The image is transferred, at ambient temperature, to the surface of the dishware from an ink composite by using a silicone transfer substrate.


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Inkjet Head topics: Inkjet Head, Inkjet Printer, Ultraviolet, Recording Device, Arithmetic, Liquid Crystal, Device Control, Control Unit, Piezoelectric, Field Effect Transistor, Processing Device, Image Processing

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