Abstract: An ink jet printing head is attachable to/detachable from an ink jet printing apparatus and includes an electric wiring member formed of a TAB tape to which terminals are provided, and has a wiring exposed through an end section of the electric wiring member, the terminals accepting signals by making contact with a connection portion on the part of the apparatus when the head is attached to the apparatus. An opening is provided in a supporting member which supports the electric wiring member, the opening extending in a direction traversing an area where the electric wiring member is supported. Thereby, movement of liquid, such as water and ink, to the end section is blocked, the liquid moving through a gap between a back surface of the electric wiring member and a surface of the supporting member.

Abstract: The present invention provides a higher density, higher resolution, higher durability and lower cost circuit substrate. In a circuit substrate in which a circuit including: a plurality of heat generating elements in which a pair of electrodes opposing each other to form a predetermined gap is provided on a resistor 16 and a portion where a resistor layer is positioned between the electrodes is taken as a resistor portion; and first and second wiring layers 12 and 15 for energizing the pair of electrodes of each heat generating element; is mounted on a substrate 10, the substrate is formed of Si, the first wiring layer is formed of a metal material containing at least Si, the first wiring layer is electrically connected to the substrate, the second wiring layer is provided on the first wiring layer through a metal film 14 for preventing Si from diffusing and a resistor is provided over the second wiring layer.

Abstract: A liquid ejection head includes a substrate including, at a surface thereof, an ejection energy generating means for generating ejection energy for ejecting liquid, a flow path forming member provided with an ejection outlet, the substrate further including a liquid supply opening, penetrating therethrough, for supplying the liquid to be ejected by the ejection energy to a flow path of the flow path forming member; a reinforcing member connected to a back side of the substrate; a first penetrating electrode, penetrating the substrate from a front side to the back side thereof, for supplying electric power to the ejection energy generating means; and a second penetrating electrode penetrating the reinforcing member from a front side to a back side thereof, the second penetrating electrode being electrically connected to the first penetrating electrode.

Abstract: A liquid discharge substrate includes a first substrate having an element, on a first surface, that generates energy for discharging liquid; a plurality of first electrodes electrically connected to the element and passing from the first surface to a second surface of the first substrate opposite to the first surface; a second substrate that is in contact with the second surface to support the first substrate; and second electrodes provided between the first substrate and the second substrate and electrically connected to the plurality of first electrodes.

Abstract: A liquid ejecting head is provided which ejects liquid from nozzle openings by driving pressure generating elements, and includes: at least two rows of lead electrodes that supply an electrical signal to the pressure generating elements; and at least two wiring boards for supplying the electrical signal to the lead electrodes, wherein: the wiring boards respectively have individual wires which are electrically connected to the pressure generating elements, respectively, via the lead electrodes, and common wires which are electrically connected in common to a plurality of pressure generating elements via the lead electrodes; and, the wiring boards are formed such that a spacing between the respective common wires of the two opposing wiring boards is narrower than a spacing between the respective individual wires of the two opposing wiring boards.

Abstract: A piezoelectric actuator includes a first active portion interposed by an individual electrodes and a first constant electric potential electrode and a second active portion interposed by the individual electrode and a second constant electric potential electrode, and a wiring structure is provided with a wiring board and driver IC. The wiring board is provided with individual lines, a power line, a ground line, a first and second constant electric potential lines, a first short circuit line for short-circuiting the power line and the first constant electric potential line, and a second short circuit line for short-circuiting the ground line and the second constant electric potential line. Accordingly, a liquid droplet discharge head, which is capable of suppressing the crosstalk, is provided. The liquid droplet discharge head has the wiring structure suitable for the head.

Abstract: A liquid ejection substrate used to eject a liquid includes a substrate having an element row including a plurality of elements provided in a row, where each of the elements generates energy, drive circuits that drive and control the elements, a signal line that is shared by and connected to the drive circuits, the signal line being provided along the element row, and a heating portion generating heat used to heat the substrate, wherein the heating portion is provided so that the heating portion does not overlap the signal line with reference to a direction perpendicular to a face of the substrate.

Abstract: A fluid ejection device includes a plurality of firing cells, a clocked latch switch, and a data latch switch. Each firing cell includes a heater used to fire ink through a nozzle, a drive switch, and a memory cell used to store a control value used to control the drive switch. The memory cell includes a data switch. A clocked latch switch receives a data-in signal and latches the data-in signal. All of the firing cells in the plurality of firing cells use the data-in signal latched by the clocked latch switch. The data latch switch latches the data-in signal to the data switch of at least two, but not all of the firing cells in the plurality of firing cells.

Abstract: The wiring substrate having a recess section and a projecting section formed on at least one surface of the wiring substrate, and wires formed on both the recess section and the projecting section.

Abstract: A liquid ejecting head for ejection liquid includes an electric wiring member including a plurality of contact pads which are electrically contactable to a liquid ejecting apparatus; a storing element for storing individual information; and a liquid ejection member, provided with an ejection outlet, for ejecting the liquid using electric energy supplied through a part of the plurality of contact pads. The contact pads include an array of information contact pads electrically connected with the storing element, a voltage source contact pad for supplying the electric energy and a grounding contact pad. Directly adjacent to each of front and rear sides of the information contact pads constituting the array, the voltage source contact pad or the grounding contact pad is disposed.

Abstract: A recording head includes a substrate provided with a recording element that generates energy for ejecting liquid and electrical wiring that supplies power to the recording element; and a passage-forming member provided in contact with one face of the substrate and having a nozzle for ejecting the liquid and a passage for supplying the liquid to the nozzle. A groove formed by a through-hole provided in the passage-forming member is disposed such that a bottom face of the groove is located along and above the electrical wiring and positioned so as not to overlap an edge of the electrical wiring.

Abstract: A flexible printed circuit board, included in a liquid discharge head, includes a film having a length in the longitudinal direction, a plurality of connection terminals arranged in a first area of the film adjacent to one side of the film in the longitudinal direction, a contact portion disposed in a second area of the film adjacent to the other side thereof in the longitudinal direction, the contact portion including a plurality of contact pads, and a plurality of wiring lines arranged in the film. The length of the second area of the film in a direction orthogonal to the longitudinal direction is more than two times the length of the first area thereof in that direction. The planar shape of the film is L-shaped.

Abstract: A liquid-discharging recording head includes first and second substrates each having an energy generating element and a supply port, and a support member on which the substrates are arranged. The first substrate is provided on one side in a longitudinal direction of the support member, and the second substrate is provided on an other side in the longitudinal direction of the support member. A driving circuit configured to drive the energy generating element is provided in a larger region between an end of a supply port in the first substrate on the other side in the longitudinal direction and an end of the first substrate on the other side and in a larger region between an end of a supply port in the second substrate on the one side in the longitudinal direction and an end of the second substrate on the one side.

Abstract: An ink jet head is constituted by a recording element substrate, comprising ejection outlets for ejecting ink, to which an electrical connecting portion is provided at an outer portion of the recording element substrate; an electric wiring member having an end portion to be electrically connected to the electrical connecting portion; a supporting member comprising an outer surface, a first recess which is provided in the outer surface to accommodate the recording element substrate, and a second recess which is provided in the outer surface in a depth less than that of the first recess to accommodate the end portion of the electric wiring member; and a sealant for sealing a spacing between the second recess and the end portion of the electric wiring member.

Abstract: A drop generator having a via structure configured for electrical and fluidic interconnection. The via structure includes an electrically conductive layer and an electrically insulating layer disposed on the electrically conductive layer.

Abstract: An inkjet printer that has a printhead IC an array of nozzles for ejecting drops of printing fluid onto a media substrate and drive circuitry for driving the array of nozzles and, a print engine controller (PEC) for sending print data to the printhead IC. The drive circuitry is configured to extract a clock signal from the data transmission from the PEC.

Abstract: An ink jet print head substrate is provided which can prevent voltage drop variations during driving, no matter in what way the ejection energy generation elements are driven, and which can also apply a stable energy to the ejection energy generation elements at all times. The ink jet print head substrate of this invention has a plurality of kinds of ejection energy generation elements to generate different magnitudes of ink ejection energy and wiring portions. The print head substrate also has a plurality of wiring layers arranged to at least partly overlap one another. The wiring portions connected to the different kinds of ejection energy generation elements are provided at least partly in different wiring portions.

Abstract: A substrate for an ink jet head is provided with a plurality of energy generating members generating energy used for discharging an ink, an electrode pad which is arranged near a side of the substrate, and is for electrically connecting to an outside of the substrate, a plurality of electrode wirings for electrically connecting the plurality of energy generating members and the electrode pad, and a plurality of resistance elements which are respectively provided at the plurality of electrode wirings. Resistance values of the plurality of resistance elements differ from one another according to resistance values of the electrode wirings provided with the respective resistance elements.

Abstract: A manufacturing method for an ink jet recording head. The method includes the steps of preparing a recording element substrate, preparing an electric wiring member, preparing a sealing material discharging member, and applying a sealing material. The ink jet recording head is constructed to provide a first gap between a recording element substrate and an inner edge of a hole. The first gap is larger than a second gap between the recording element substrate and an opposite inner edge of the hole measured along the same line. The sealing material is applied while moving the sealing material discharging member, along the line, from a portion of an electric wiring member adjacent to the first gap, across the first gap, across the electrical connection portions, across the second gap, to a portion of the electric wiring member adjacent to the second gap.

Abstract: An electronic apparatus includes an electrical load and a flexible wiring member, on which a circuit element is mounted, and which transmits a signal from an external signal source to the electrical load via the circuit element, by a plurality of electroconductive wires. The flexible wiring member is a band-shaped member, and on one surface of the flexible wiring member, an output electrode for connecting to the electrical load is formed in an area facing the electrical load and a connecting electrode for mounting the circuit element is formed in a drawing area in which the electroconductive wires are drawn from the electrical load. An opening is formed in the drawing area and the flexible wiring member is folded such that the circuit element is exposed, through the opening to a side of the other surface of the flexible wiring member.

Abstract: There are provided a printing head substrate, an ink jet printing head and an ink jet printing apparatus, which accurately detect a temperature state in the central part of a heater array on the substrate and restrict an area of the substrate to a minimum. A printing head substrate has a plurality of heating elements, a plurality of ink supply openings, a logic circuit for driving the heating elements; a substrate temperature detecting element for detecting a temperature of the printing head substrate, and input and output pads for carrying out reception and supply of a signal between a printing apparatus, and the logic circuit and the substrate temperature detecting element, wherein a beam integral with the substrate is provided between the plurality of ink supply openings, and the substrate temperature detecting element is arranged on the beam.

Abstract: An apparatus for applying a uniform retention and extraction force to a computer expansion board. The apparatus includes a body with upper and lower retaining members that define a retention channel between them sized to receive an edge of an expansion board. At each end of the catch body pins are provided that extend into a support structure, which is mounted to the computer chassis adjacent a mounting surface for the expansion board. A handle assembly is provided with arms pivotally mounted to the support structure. Each arm includes a dowel that extends into a groove in the catch body. During operation of the mechanism, a handle attached to the arms is moved to pivot the arms and force the catch body from an open position to a closed position with the side pins riding in the guide slots and the dowels riding in the grooves of the catch body.

Abstract: An inkjet printer comprising: an array of nozzles arranged into rows, each row of nozzles is divided into a series of groups; and, drive circuitry for sending a drive pulse to each of the nozzles individually such that they eject a drop of printing fluid; wherein, the drive circuitry delays sending the drive pulses to one of the groups relative to at least one of the other groups.

Abstract: A recording head includes: a recording element substrate having a plurality of discharge ports discharging a liquid and an energy generating element generating energy used to discharge the liquid from the discharge ports; an electrical wiring substrate having an opening portion in which the recording element substrate is provided and applies a driving signal to the recording element substrate; an electrical connection portion in which an electrode portion of the recording element substrate and an electrode portion of the electrical wiring substrate are electrically connected to each other by a wire; and a sealing material covering and sealing the electrical connection portion, wherein the electrical connection portion is provided with a reference member as a reference of at least one of an upper limit position and a lower limit position of the height of the surface of the sealing material with respect to thickness direction of the recording element substrate.

Abstract: A printer is provided having a printhead having ejection nozzles and a plurality of controllers configured to process print data for printing and to output the processed data to the printhead. The plurality of controllers are connected to a common input of the printhead.

Abstract: An ink jet head is constituted by a recording element substrate comprising an energy generating element; and an electric wiring member on which a plurality of flying leads electrically connected to said recording element substrate by thermocompression bonding through gang bonding is arranged in parallel. The ink jet head further includes a plurality of thermocompression bonding portions, formed on the plurality of flying leads by the thermocompression bonding, including thermocompression bonding portions formed on at least both end flying leads with respect to an arrangement direction of the plurality of flying leads. The thermocompression bonding portions formed on the above-described at least both end flying leads are offset toward a center of the plurality of flying leads with respect to the arrangement direction.

Abstract: A droplet discharge head including a nozzle substrate having nozzle openings, a cavity substrate having discharge chambers that communicate with the nozzle openings and discharge droplets from the nozzle openings, a reservoir substrate having a reservoir concave portion that serves as a reservoir which communicates commonly with the discharge chambers. The reservoir substrate is provided between the nozzle substrate and the cavity substrate and a resin thin film is formed on a whole inner face of the reservoir concave portion and on a bottom face of a second concave portion. The second concave portion is provided in a peripheral of the reservoir concave portion and has a depth which is smaller than the depth of the reservoir concave portion. The resin thin film is cut circularly so as to surround the reservoir concave portion, and a part of the resin thin film serves as a diaphragm buffering pressure variation. serves as a diaphragm buffering pressure variation.

Abstract: A flexible circuit for use within a printhead assembly and to connect a printhead body to an external circuit includes a substantially planar portion having one or more layers of conductive material and having a top surface substantially parallel to a top surface of the printhead body. One or more integrated circuits can be mounted onto the planar portion. Multiple leads extend from each integrated circuit, the leads electrically connected to the printhead body. One or more arms are attached to, and substantially perpendicular to, the planar portion, each arm including one or more external connectors configured to connect to the external circuit.

Abstract: A liquid drop ejection head unit includes plural lines of plural nozzles formed on a nozzle plate, plural lines of plural drive elements that generate energy for ejecting liquid drop through the plural nozzles, and plural sheets of flexible printed circuit boards that input signals to the plural drive elements. The sheets of flexible printed circuit boards include input and output terminals for taking in and output a signal to one of the plural drive elements. A wiring board is provided to connect to the input terminals of the plural sheets of flexible printed circuit boards. The wiring board is arranged in parallel to the nozzle line within a width of nozzle plate. The plural sheets of the flexible printed boards are arranged opposing to each other via the wiring board. The input terminals are positioned not to face each other.

Abstract: An inkjet printer includes a printhead having a plurality of ink chambers fed be an ink inlet, each ink chamber having a heater element for ejecting drops of ink from a nozzle aperture of each chamber; a plurality of pressure pulse diffusing structure positioned between the plurality of ink chambers fed by the ink inlet, the plurality of pressure pulse diffusing structures for retarding a propagation of pressure waves generated by each ink chamber to adjacent ink chambers; and a controller for receiving print data and generating drive pulses to energize the heater elements in accordance with the print data. The controller increases the drive pulse energy during the printhead lifetime such that the drive pulse energy is never less than that of a preceding drive pulse.

Abstract: There is provided a liquid transporting apparatus which includes a substrate having an insulating surface, a plurality of liquid transporting channels, a common liquid chamber which supplies a liquid to the liquid transporting channels, a plurality of individual electrodes arranged on the plurality of liquid transporting channels respectively, an insulating layer which covers the individual electrodes, a plurality of wire portions which are connected to the individual electrodes respectively, and a driver IC which applies a driving electric potential to the individual electrodes. Accordingly, it is possible to make simple a structure of the liquid transporting apparatus, and to reduce a manufacturing cost.

Abstract: An ink jet recording head includes a recording element substrate having an energy generating member for generating energy in accordance with an electric signal, and an electrode portion for receiving the electric signal to be supplied to the energy generating member; an electric line member including an opening in which the recording element substrate is contained, an electric line extending toward an inside of the opening and connected to the electrode portion, an inclined electric wiring extending in a direction crossing with the electric line and contacted to the recording element substrate. The electric line member is disposed above a surface, having the electrode, of the recording element substrate, wherein the inclined member extends in a direction of an arrangement of a plurality of such electric lines, and constitutes an inclined surface descending from the electric wiring toward the surface of the recording element substrate.

Abstract: The electrical connection structure includes: a first substrate which has a first electrode part; a second substrate which has a second electrode part opposing the first electrode part, and a wiring pattern connected to the second electrode part; an insulating cavity substrate which is disposed between the first substrate and the second substrate and has a through hole in a position corresponding to the first electrode part, the through hole being deeper that a sum of a height of the first electrode part and a height of the second electrode part and having an opening surface area not smaller that an area of the first electrode part; and conductive material which is filled in the through hole.

Abstract: A recording head includes a substrate whose first surface has an element that generates energy used for ejecting liquid; a first portion that supports a second surface of the substrate; a wiring member having multiple electrode leads connected to multiple electrode pads provided in the substrate; a second portion that supports the wiring member; and a sealant that seals a section including a connection section between the electrode pads and the electrode leads. A region surrounded by the substrate, the second portion, and the electrode leads is provided with an ascending portion that increases in height in a direction extending from the second surface toward the first surface, the ascending portion increasing in height from a first end to a second end of the region in an arrayed direction of the electrode leads.

Abstract: Micro-fluid ejection devices, methods for making micro-fluid ejection, heads, and micro-fluid ejection heads having N actuators on a first substrate and logic capable of driving the N actuators on a second substrate. The ejection heads also have less than N electrical connections between the first and second substrates.

Abstract: Provided is a print engine pipeline subsystem of a printer controller. The subsystem includes a print engine pipeline controller for reading and writing print engine pipeline registers, and a contone decoder unit for expanding JPEG compressed continuous tone (“contone”) layers. Also included are a lossless bi-level decoder for expanding compressed bi-level layers, a line loader unit for expanding page images for a printhead, and a printhead interface for sending dot data to the printhead and for providing line synchronization between multiple printer controllers.

Abstract: An ink jet recording head substrate is provided with: an array of a plurality of energy generating bodies for generating energy utilized to discharge ink; and an ink supply port arranged along the array to supply ink to the plurality of energy generating bodies, the array and the ink supply port each extending in a longitudinal direction of the ink jet recording head substrate, the ink jet recording head substrate comprising: a first terminal electrically connected with the plurality of energy generating bodies, the first terminal being arranged along beside a first side of the ink jet recording head substrate, the first side extending in a cross direction intersecting the longitudinal direction; and a second terminal electrically connected with the plurality of energy generating bodies, the second terminal being arranged beside a second side of the ink jet recording head substrate, the second side extending in the longitudinal direction, so as to be arranged in an area between the first side and a phantom li

Abstract: A printhead may include a flow channel unit configured to discharge liquid. The printhead may include an actuator unit configured to apply discharge energy to the liquid in the flow channel unit. The printhead may include a flat flexible substrate connected to the actuator unit and configured to supply a drive signal to the actuator unit. The printhead may include a plurality of contact points disposed in an outline of the actuator unit in plan view and configured to electrically connect the actuator unit and the flat flexible substrate. The printhead may include a reinforcing member configured to fix a reinforcing portion, which includes at least part of an outer periphery of the actuator unit and the flat flexible substrate.

Abstract: An ink jet print head substrate is provided which can prevent voltage drop variations during driving, no matter in what way the ejection energy generation elements are driven, and which can also apply a stable energy to the ejection energy generation elements at all times. The ink jet print head substrate of this invention has a plurality of kinds of ejection energy generation elements to generate different magnitudes of ink ejection energy and wiring portions. The print head substrate also has a plurality of wiring layers arranged to at least partly overlap one another. The wiring portions connected to the different kinds of ejection energy generation elements are provided at least partly in different wiring portions.

Abstract: A method of producing a recording head including a substrate provided with an element that generates energy utilized for ejecting a liquid, a wiring member that is connected to the substrate, and a supporting member that supports the substrate and the wiring member includes applying a sealant to a region existing between a side surface of the substrate and the supporting member through a communicating path that connects the region to an outer peripheral area of the supporting member.

Abstract: A device package structure includes: a base body having a conductive connection portion and a level difference portion; a device arranged on the base body, having a connection terminal electrically connected to the conductive connection portion via the level difference portion on the base body; and a connector electrically connecting the connection terminal and the conductive connection portion, having substantially the same height as a height of the level difference portion.

Abstract: An inkjet printhead having a housing having a top face and a bottom face, an ink ejection device and a contact circuit. The contact circuit is affixed to the housing in a substantially horizontal orientation and is in communication with the ink ejection device. The contact circuit is configured to connect the ink ejection device to an external device.

Abstract: A method of manufacturing a recording head according to the present invention includes a plurality of steps to describe as follows. In a solder paste application step, solder paste bodies are partially applied onto a plurality of terminals. In a heating step, each of the plurality of solder paste bodies is heated, to thereby form a plurality of solder layers on the plurality of terminals. In a covering step, the plurality of terminals and the plurality of solder layers are covered by an uncured synthetic resin layer. In a contact step, a plurality of bumps formed in a bump forming step and the plurality of solder layers are contacted with each other, by pressing regions of the synthetic resin layer covering the solder layers and the bumps to each other. In a curing step, the uncured synthetic resin layer is cured.

Abstract: An ink jet head, includes: an actuator including a plurality of terminals; a wiring material including a base made of a flexible resin film on which a plurality of lands are arranged in arrays corresponding to the plurality of terminals, the wiring material of which one end is superimposed on a surface of the actuator, and which is extended in a direction parallel to the surface of the actuator; and a drive circuit for driving the actuator, wherein: the wiring material includes a small width portion, of which a width in a direction, perpendicular to an extended direction is smaller than that of the one end superimposed on the actuator, arranged on an extended portion; and the drive circuit is mounted on the extended portion; and wiring patterns are formed on the wiring material, for connecting the drive circuit and the plurality of lands.

Abstract: In a harmonica type head chip having a plurality of rows of channels (row A and row B), connection electrodes for row A and the connection electrodes for row B formed on the back surface of the head chip are connected to a multilayer member having an insulating layer on one surface of which are formed the lead wirings for row A and on the other surface of which are formed the lead wirings for row B, and the lead wirings for row B are made to protrude outwards more than the lead wirings for row A and drive interconnections are electrically connected to the lead wirings for row A and the lead wirings for row B.

Abstract: In a printhead having a plurality of element substrates, the effects of the rise in element substrate temperature and current noise are not manifested in a biased manner in only one of the element substrates. The printhead includes a plurality of printing elements and is provided with first and second element substrates having the plurality of printing elements and a second element substrate in such a manner that the first element substrate and second element substrate are spaced apart, with the first element substrate having a first function circuit electrically connected to the second element substrate and having processing functions used for driving the printing elements of the second element substrate.

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 method and an apparatus for dispensing liquid are disclosed. The method includes the steps of storing one or more liquids in a thermal inkjet print head and providing a well plate having at least one well. At least one of the liquids is dispensed from the thermal inkjet print head into at least one well. The volume of the dispensed liquid is a fraction of the total required volume of the liquid in the at least one well, and the dispensing step is performed multiple times to dispense the required volume of the at least one liquid in at least one well.

Abstract: An inkjet printing head includes a substrate capable of storing a large volume of information by increasing a number of fuses without enlarging a space for arranging fuses capable of storing information according to the cutting or non-cutting of the fuses, and a selection circuit. For that purpose, two fuses are connected to a set of a drive element and a selection circuit.

Abstract: Plural electrothermal transducers (heaters) belonging to each of blocks having different driving timings are constituted as one group and are connected to a common interconnecting wiring in units of one group. Plural lines are connected to the common wiring such that the plural lines are extended to return with respect to the heaters and are each arranged to extend in an adjacent or sandwiched relation to the heaters. A printhead substrate, a printhead, and a printing apparatus can be provided which can realize higher quality of a printed image and a higher printing speed by arraying the heaters at a higher density while ensuring a sufficient area for arrangement of each of the heaters.