Abstract: An ink jet recording head comprises a flat substrate having an end face and front and back flat main surfaces having a larger area as compared to the end face, an energy generating member for generating energy to be utilized to discharge the ink from a discharge port formed on the front flat main surface side of the substrate, a wiring electrode connected to the energy generating member formed on the front flat main surface of the substrate, and a connection electrode, connected to the wiring electrode, for receiving an electrical signal supplied from outside of the substrate, wherein the connection electrode is provided on another surface, different from the front and back flat main surfaces of the substrate. An ink jet recording apparatus comprises the ink jet recording head and a member for mounting the ink jet recording head.

Abstract: An orifice electrode/ink receiving member 11 is attached to an orifice plate 13 that is attached to a recording head module 10. An ink absorbing member 111 is embedded in a lower surface of the orifice electrode/ink receiving member 11. A recording ink droplet 14 ejected through an orifice 12 is deflected as needed by an angled electric field 85 and then impinges on a recording sheet 60 to form a recording dot 70. On the other hand, a refresh ink droplet 15 is deflected by the angled electric field 85 and impinges on the ink absorbing member 111 of the orifice electrode/ink receiving member 11 after flying in a U-turn path. In this configuration, the ink absorbing member 111 provided to the orifice electrode/ink receiving member 11 collects ink, so that there is no need to increase a gap between the recording head module 10 and the recording sheet 60 so much in order to dispose the ink absorbing member 111, preventing decrease in recording precision and paper jam.

Abstract: A printer capable of forming an image on a receiver substrate according to type of receiver substrate, and a method of assembling the printer. An identifier containing identifier information is associated with each component of the receiver substrate which, for example, comprises paper and, optionally, laminate media. A sensor is disposed to read the identifier information so that an image forming operation can be adjusted based on identified receiver substrate components and media. For example transponder, serving as the identifier, is coupled to a memory device capable of storing information characteristic of media type. A transceiver, serving as the sensor, is disposed within the printer. The transceiver includes antennae disposed for polling an individual transponder attached to each media type. The transponder receives a first radio frequency field from the transceiver and, deriving power and address information from the first frequency, then generates a second radio frequency field in response.

Abstract: In a printing apparatus having a mechanism for feeding a printing medium relative to the printing head having an array of a plurality of printing elements, when it is necessary to shift the positions of data to be set in the printing elements by an amount smaller than 8 bits, a basic unit used for data processing, according to the printing medium feeding amount determined by a printing resolution, a trouble of re-editing the print data is avoided. To achieve this, 8 bits of blank data are added to the print data to be transferred to the plurality of printing elements and the number of clocks for transferring the print data is reduced by an amount corresponding to the data position shifting. This allows the print data to be freely allocated to the appropriate positions of the printing elements without having to re-edit the data.

Abstract: An ink jet heater chip having improved thermal. The chip includes a semiconductor substrate, a first metal resistive, a second metal conductive layer on a first portion of the resistive layer and on a second portion of the resistive layer defining a heater resistor element. A passivation layer having a thickness defined by a deposition process is deposited on the second metal conductive layer and heater resistor element. A cavitation layer is deposited on the passivation layer and etched. A dielectric layer is deposited and etched to provide a dielectric layer overlying the first portion of the resistive layer. An electrical conduit via is etched in the dielectric layer. A third metal conductive layer is deposited in the via for electrical contact with the second metal conductive layer. Separately deposited dielectric and passivation layers enable independent control of the thickness of the dielectric and passivation layers.

Abstract: A fluid ejector head, includes a fluid ejector body adapted to be inserted into an opening of an enclosing medium having an interior surface, and at least one nozzle disposed on the fluid ejector body. The fluid ejector head further includes, a fluid ejector actuator in fluid communication with the at least one nozzle, wherein activation of the fluid ejector actuator ejects a fluid through the at least one nozzle at controlled locations onto the interior surface of the enclosing medium.

Abstract: An overcoating device can transport a plurality of recorded materials in parallel with spacing and includes a transfer sheet supply unit for supplying a transfer sheet having a transferred layer having a width capable of covering the recorded materials on a support onto the recorded materials, a heating and pressing unit made up of a pair of pressing members, and a stripping unit for stripping the support. When the recorded materials and the transfer sheet pass through the heating and pressing unit, the portion of the transferred layer corresponding to the spacing does not come in contact with the pressing member.

Abstract: An ink jet printing method, comprising the steps of: A) providing an ink jet printer that is responsive to digital data signals; B) loading the printer with an ink jet recording element comprising a non-absorbing substrate; C) loading the printer with an ink jet ink composition comprising an aqueous ink jet ink composition comprising: a pigment, a polymer binder containing less than 25% of hydrophilic monomer by weight of the total polymer, which is dispersible but insoluble in aqueous media, at least one surfactant, and a humectant; and D) printing on the ink jet recording element accompanied by a heating step using the ink jet ink composition in response to the digital data signals.

Abstract: A substrate for use of an ink jet recording head is provided with a plurality of heat generating members for generating thermal energy to be utilized for discharging ink. The heat generating members are structured by thin film formed by material represented by Tax Siy Rz, which has specific resistance value of 4000 &mgr;&OHgr;·cm or less, where R is one or more kinds of elements selected from among C, O, N, and x+y+z=100. With the structure thus arranged, the heat generating members make it possible to maintain the change of resistance values within a small amount even when used continuously for a long time, and provide recorded images in high quality with long life and reliability.

Abstract: A variable geometry fluid ejection system can be used to minimize a separation between a main drop and satellite drop on a recording medium in a bi-directional fluid ejection system. The geometry of the fluid ejection system is varied by placing an actuator in an ejector nozzle to selectively vary the geometry of the nozzle between opposing directions of motion of the fluid ejection system across a recording medium, thereby maintaining a constant distance of main drop satellite drop separation between the opposing directions of motion.

Abstract: A bubble-jet type ink-jet printhead is provided. The ink-jet printhead includes: a substrate; a nozzle plate including a plurality of nozzles, which is separated a predetermined space from the substrate; walls for closing the space between the substrate and the nozzle plate and then forming a common chamber between the substrate and the nozzle plate; a plurality of resistive layers, formed on the substrate within the common chamber corresponding to the plurality of nozzles, each resistive layer encircling the central axis passing through the center of each nozzle; a plurality of pairs of wiring layers formed on the substrate, each pair of wiring layers being connecting to each resistive layer and extending to the outside of the common chamber; and a plurality of pads which are disposed at the outside of the common chamber on the substrate and electrically connected to the wiring layers.

Abstract: An ink jet recording head and an ink jet recording apparatus which can be manufactured at low cost and with a continuous length by using nonlinear elements having MIM-type electrical characteristics to drive heat generating members having a bubble jet recording system so as to prevent the nonlinear elements from being destroyed by a heat generation of the nonlinear elements.

Abstract: In an inkjet printhead, a substantially rectangular heater element has an aspect ratio greater than about 2.0. A bubble chamber surrounds a centrally disposed heater element with a plurality of walls. A nozzle plate has an orifice for projecting ink from the bubble chamber that axially extends through a thickness thereof. A center of the orifice originates a plumb line such that an offset distance exists from a center of the heater element in a range from about 6 to about 10 microns. An ink flow channel through one of the bubble chamber walls has a primary direction of ink flow substantially paralleling a length dimension of the heater element. The bubble chamber and ink flow channel may exist in the nozzle plate, a polymer barrier layer or a plurality of film layers that define a heater chip. More preferred aspect ratios include greater than about 2.5 and about 4.0.

Abstract: There is disclosed an ink jet printhead which comprises a plurality of nozzles and one or more heater elements corresponding to each nozzle. Each heater element is configured to heat a bubble forming liquid in the printhead to a temperature above its boiling point to form a gas bubble therein. The generation of the bubble causes the ejection of a drop of an ejectable liquid (such as ink) through respective corresponding nozzle, to effect printing. Each heater element is in the form of a beam suspended over at least a portion of the bubble forming liquid (which liquid can be the ink) so as to be in thermal contact therewith. This configuration of printhead provides for a relatively high efficiency of operation.

Abstract: An ink jet recording head includes a plurality of recording element substrates, a supply port, a supporting member for supporting the recording element substrates, an electric contact substrate fixed to the supporting member, and an electric wiring tape connected to the recording element substrates and to the electric contact substrate. The electric contact substrate has a plurality of input terminals that are electrically connected to recording elements of the recording element substrates via the electric wiring tape, and are also electrically connected to terminals of a recording apparatus body. The electric contact substrate is wider than the electric wiring tape. If m equals the maximum number of input terminals arranged in the lateral direction on the electric contact substrate, and n equals the maximum number of input terminals arranged in the longitudinal direction on the electric contact substrate, then m>n.

Abstract: The liquid ejecting device includes a member in which a plurality of nozzles are formed; a plurality of ejecting units each of which is formed in correspondence with each of the plurality of nozzles and ejects a liquid droplet from each of the plurality of nozzles; and a plurality of supply passages each of which supplies liquid to the plurality of ejecting units. A first liquid level position for a driving period and a second liquid level position for a storage period which are different from each other are set in each of a plurality of liquid flow passages including each of the plurality of nozzles and each of the plurality of supply passages corresponding thereto. Nozzle plugging can be advantageously prevented. The liquid ejecting device can provide an ink jet recording head having a long service life and also an ink jet printer having a long service life.

Abstract: An ink-jet image recording method is disclosed. In the method an aqueous ink containing a colored particles comprising a colorant and a resin is employed, and following Formula 1 is satisfied; 15≦w≦150  Formula 1 wherein, w is a parameter expressed by following Formula 2; w=[(dm+ds)/{(NV×vd)/r3}]×10,000  Formula 2 wherein, ds is a recording density in dpi in a moving direction of the recording medium and dm is a recording density in dpi in a direction perpendicular to the moving direction of the recording medium, NV is the colored particle content in the ink in weight percent, vd is a volume average radius in meter of the colored particles and r is radius in meter of the ink droplet.

Abstract: Within a printer, compensation is provided for color migration within ink drops. Color compensation is provided by varying firing frequency of each print nozzle so as to fire high frequency bursts of ink drops. Each print nozzle is idle, not being used to eject ink drops, between high frequency bursts of ink drops.

Abstract: An ink jet printing apparatus and method for forming images by selectively actuating a multiple number of ink chambers. An amount of energy U0, which is determined by U0=Ui−Ud, is applied to each non-ejecting chamber, wherein Ui is the energy imparted to each ejecting chamber and Ud is the energy that is carried away by a single droplet of ink, when all the nozzles are driven to eject ink at a maximum ejection ratio, with the temperature rise of ink jet head being saturated.

Abstract: An image forming apparatus includes a head mounting portion for mounting an ink jet recording head for discharging ink liquid having a coloring material from an ink discharge port. Also included is a process liquid storing member for storing a process liquid for condensing the coloring material in the ink liquid. A process liquid supply roller is arranged immersibly in the process liquid stored in the process liquid storing member. The process liquid supply roller does not contact a recording surface of the recording medium. A process liquid coating roller coats the recording surface with the process liquid supplied through the process liquid supply roller, the process liquid coating roller being provided so that a peripheral surface of the process liquid coating roller is contactable with the recording surface upstream of a conveyance direction of the recording medium with respect to the head mounting portion.