Abstract: An actuator assembly including a flexible printed circuit and a method for making such an actuator assembly are provided. The flexible printed circuit includes a body having a top side and a bottom side, with the body defining a plurality of bumps extending from the bottom side. A first bump of the plurality of bumps is disposed adjacent to a second bump of the plurality of bumps, and the body further defines at least one relief configured to reduce movement of the second bump caused by movement of the first bump. The flexible printed circuit also includes a plurality of contact pads disposed on the bottom side of the body at least partially at the plurality of bumps, with the plurality of contacts pads being configured to be electrically coupled to a power source and to a piezoelectric transducer.

Abstract: A printing apparatus includes a holder in which a cartridge set that is configured of N printing material cartridges is mounted and a mounting detection circuit for detecting a mounting state of the printing material cartridge inside the holder. Each of N printing material cartridges has a storage device for storing information regarding the contained printing material, an electric device for the mounting detection, storage device terminals and the electric device terminals. The electric device for N printing material cartridges is configured such that the detection current is predetermined threshold value current or more when N printing material cartridges are all mounted inside the holder.

Abstract: A semiconductor device including segments, a power supply pad and conductive patterns is provided. Each segment includes driving units for discharging a liquid. Each driving unit includes a driving circuit and an element driven by the driving circuit to apply discharging energy to the liquid. The conductive pattern includes a first conductive portion connected to the power supply pad, a second rectangular conductive portion, a third conductive portion connected to the driving portions, and a connection portion which connects the second and third conductive portions. These conductive portions elongate in a first direction. In a second direction, a length of the second conductive portion is larger than a length of the first conductive portion. The second conductive portion is connected to the first conductive portion at a first corner and the connection portion at a second corner diagonal to the first corner.

Abstract: A liquid ejection head includes multiple tubular pressure chambers and a stacked body having first substrates and second substrates stacked alternately, in which the first substrates each have multiple first grooves and multiple second grooves formed therein, and the second substrates each has multiple third grooves formed therein, in which, in the multiple first grooves of each of the first substrates, inner surface electrodes are formed, in which counter electrodes are formed in a face of each of the second substrates, and in which a width W1 of each of the inner surface electrodes, a width W2 of each of the counter electrodes, and a width WP of each of the multiple first grooves satisfy a relation of WP<W2<W1.

Abstract: Provided is a liquid jet head in which a region of the liquid jet head on a side opposite to a liquid ejection side thereof is thinned to enhance efficiency of use of the region. A liquid jet head (1) includes an ejecting portion (3) for ejecting liquid in which first and second head chips (2a and 2b) are stacked, a circuit board (4) for supplying a drive signal for driving the ejecting portion (3), a first flexible printed circuit board (5a) for electrically connecting the first head chip (2a) and the circuit board (4) to each other, and a second flexible printed circuit board (5b) for electrically connecting the second head chip (2b) and the circuit board (4) to each other. The circuit board (4) and each of the first and second flexible printed circuit boards (5a and 5b) are electrically connected to each other on one surface (S) of the circuit board (4).

Abstract: An ink jet print head is configured to reduce the inclination of an ink ejection direction to make improper print conditions such as stripes and density unevenness unnoticeable. An individual wire is extended to lie under a common wire. Thus, wires under ink channels arranged on the respective opposite sides of a pressure chamber are symmetric. Consequently, an equivalent step structure is provided at the bottoms of the ink channels arranged on the respective opposite sides of the pressure chamber.

Abstract: Provided is a liquid discharge head, including a piezoelectric block formed by stacking multiple piezoelectric substrates, each of the multiple piezoelectric substrates including a first main surface and a second main surface and having a first groove and a second groove alternately formed in the first main surface, in which the each of the multiple piezoelectric substrates includes a first in-groove electrode, a first rear surface electrode, a second in-groove electrode, and a second rear surface electrode.

Abstract: A printing material container detachably attachable to a printing apparatus having apparatus-side terminals. The container can comprise an electrical device, a memory device and a plurality of terminals. First and second terminals can be coupled to the electrical device and a plurality of memory terminals can be coupled to the memory device. Terminal contact portions are present where the terminals contact a respective apparatus side contact forming member. A short detection contact portion can be positioned to contact a contact forming member that itself is coupled to a short detection circuit of the printing apparatus. The terminals can be arranged with the memory terminal contact portions located to the left of the second terminal contact portion and to the right of the first terminal contact portion. The contact portion that is second farthest to the right can be the third contact portion.

Abstract: A liquid cartridge includes a liquid reservoir, a liquid flow path that selectively places the reservoir in fluid communication with an exterior of the cartridge, a sensor that outputs a signal relative to a position of an object in the liquid flow path, a storage that stores data therein, and a plurality of terminals. The plurality of terminals includes a sensor terminal connected to the sensor, a power terminal connected to at least one of the sensor and the storage, and that receives power, and a data terminal connected to the storage. A distance between a first portion of the power terminal and at least a portion of the data terminal is greater than a distance between a second portion of the power terminal and at least a portion of the sensor terminal.

Abstract: An inkjet print head includes a jet assembly which includes a nozzle plate, the nozzle plate including an ink transferring path on a bottom surface of the nozzle plate, and a jet jetting a transferred ink out of the head. A printed circuit substrate is connected to the jet assembly and includes an integrated circuit and a connection electrode. A barrier coating layer covers a surface of the printed circuit substrate and an inner surface and an outer surface of the jet assembly except a bottom surface of the nozzle plate and a surface of the connection electrode of the jet assembly and the printed circuit substrate being connected with each other. The barrier coating layer has a layered structure which includes a flexible layer, a diffusion barrier layer, and a hydrophobic layer.

Abstract: A printing material container detachably attachable to a printing apparatus having apparatus-side terminals. The container can comprise an electrical device, a memory device and a plurality of terminals. First and second terminals can be coupled to the electrical device and a plurality of memory terminals can be coupled to the memory device. Terminal contact portions are present where the terminals contact a respective apparatus side contact forming member. A short detection contact portion can be positioned to contact a contact forming member that itself is coupled to a short detection circuit of the printing apparatus. The terminals can be arranged with the memory terminal contact portions located to the left of the second terminal contact portion and to the right of the first terminal contact portion. The contact portion that is second farthest to the right can be the third contact portion.

Abstract: A fluid ejector includes a fluid ejection module and an integrated circuit element. The fluid ejection module includes a substrate having a plurality of fluid paths, a plurality of actuators, and a plurality of conductive traces, each actuator configured to cause a fluid to be ejected from a nozzle of an associated fluid path. The integrated circuit element is mounted on the fluid ejection module and is electrically connected with the conductive traces of the fluid ejection module such that an electrical connection of the module enables a signal sent to the fluid ejection module to be transmitted to the integrated circuit element, processed on the integrated circuit element, and output to the fluid ejection module to drive the actuator.

Abstract: A liquid ejection head includes a substrate including a first supply port row in which a plurality of supply ports are arranged, a first energy generating element row in which a plurality of energy generating elements are arranged, a second supply port row in which a plurality of supply ports are arranged, a second energy generating element row in which a plurality of energy generating elements are arranged, a first wiring layer and a second wiring layer for driving the energy generating elements, and a through hole configured to electrically connect the first wiring layer and the second wiring layer. The first energy generating element row, the first supply port row, the second supply port row, and the second energy generating element row are arranged in parallel in this order and the through hole is arranged between the first supply port row and the second supply port row.

Abstract: A liquid discharge head includes a recording element substrate including an electrode pad, a support member including a recess that supports the recording element substrate on a bottom surface thereof, an electric wiring member, and a sealant. The electric wiring member includes an opening through which the recording element substrate is exposed, an electric lead wire extending from the opening and connected to the electrode pad, and a protrusion formed in the opening and extending between a side surface of the recording element substrate and an inner side surface of the recess facing the side surface. A distal end of the protrusion is in contact with the bottom surface of the recess. The sealant is disposed in a region surrounded by a surface of the protrusion, the bottom surface of the recess, the inner side surface of the recess, and the side surface of the recording element substrate.

Abstract: A fluid discharge head semiconductor device, comprising a terminal unit including first pad group including a plurality of pads, a processing unit configured to process input information from the first pad group, a printing unit including a plurality of printing elements configured to discharge a printing material in accordance with a result of the processing, and an inspection output unit including second pad group including at least one pad and an output buffer unit, wherein the processing unit outputs information on an inspection of an operation to the inspection output unit, and the inspection output unit drives the output buffer unit to output the information to the second pad group when performing an inspection, and suppresses the driving of the output buffer unit when performing printing.

Abstract: The liquid jet head includes an ejecting portion which has a first head chip and a second chip which are laminated with each other, a circuit board which outputs a drive signal for driving the ejecting portion, a first connection board which electrically connects the first head chip and the circuit board to each other, and a second connection board which electrically connects the second head chip and the circuit board to each other. A bend portion is provided in the circuit board. By bending the circuit board at the bend portion, the first electrode terminal portion and the second electrode terminal portion are made to extend in the same direction, and face each other in the lamination direction of the first head chip and the second head chip.

Abstract: A liquid ejecting head includes: a pressure generation chamber that communicates with a nozzle opening which ejects liquid; a pressure generation unit that causes a change in pressure in the pressure generation chamber; and a flexible wiring substrate that transmits a control signal from outside and includes a wiring layer which is connected to each individual electrode of a plurality of pressure generation units and also connected to a terminal portion of a common electrode common to the plurality of pressure generation units. In the liquid ejecting head, the wiring layer of the wiring substrate includes slits in an area connected to the terminal portion of the common electrode of the pressure generation unit, while the wiring layer of the wiring substrate and the terminal portion of the pressure generation unit are connected via an anisotropic conductive material.

Abstract: A liquid ejecting head includes a main liquid ejecting head body, in which is formed a liquid flow channel through which a liquid flows, that ejects the liquid from a nozzle opening using a pressurizing unit; a driving board configured so as to supply power to the pressurizing unit; a connector provided at an end portion of the driving board; and a holding member configured so as to hold the driving board in a bent state and erected relative to one end surface of the main liquid ejecting head body. The holding member has a stopping portion that holds an end of the driving board in which the connector is provided, and the configuration is such that the stopping portion prevents the driving board from opening in the direction of the bend.

Abstract: Provided is a flexible substrate wherein a connection portion between the flexible substrate and an electric circuit board meets requirements of narrow wiring pitch and low resistance at the connection portion. An electric circuit structure, which has the flexible substrate and the electric circuit board to which the flexible substrate is connected, is also provided. A wiring pattern (22) is formed on a flexible base film (21), a connection terminal (25) connected electrically to an electrode terminal of another electric circuit board is arranged at an end portion of the wiring pattern (22), and the connection terminal (25) includes wide connection terminals (25b, 25c) having a terminal width extending across plural lines of the wiring pattern (22).

Abstract: A method of manufacturing a liquid ejection head including a liquid ejection substrate, an electric wiring member, and a supporting member having a first supporting surface and a second supporting surface, including: positioning an outer peripheral portion of the electric wiring member disposed on the side of the second supporting surface outside of the second supporting surface; providing the supporting member with the first depression at a position facing one part of the outer peripheral portion of the electric wiring member and the second depression connected to the first depression at a position facing another part of the outer peripheral portion having a width smaller than that of the first depression, and applying an adhesive agent in the first depression to cause part of the adhesive agent to flow into the second depression, so that the outer peripheral portion of the electric wiring member is adhered to the supporting member.

Abstract: An ink jet print head is configured to reduce the inclination of an ink ejection direction to make improper print conditions such as stripes and density unevenness unnoticeable. An individual wire is extended to lie under a common wire. Thus, wires under ink channels arranged on the respective opposite sides of a pressure chamber are symmetric. Consequently, an equivalent step structure is provided at the bottoms of the ink channels arranged on the respective opposite sides of the pressure chamber.

Abstract: A memory device includes a memory unit, a memory control unit that controls an access of the memory unit, a control unit that performs a communication process with a host device, a data terminal, a reset terminal, and a clock terminal. The control unit outputs a response signal for reporting the connection of the memory device to the host device through the data terminal in an m-th clock cycle (m is at least an integer of 1?m?n) corresponding to ID information of the memory device among first to n-th clock cycles (n is an integer of 2 or more) of clocks input to the clock terminal.

Abstract: A flexible wiring substrate that is used in a liquid ejection head having an element substrate provided with energy generating elements for generating energy for ejecting liquid includes: a bending portion; a base member including resin; electrical wiring lines formed on the base member and electrically connected to the element substrate, the electrical wiring lines extending over a ridge of the bending portion; and a metal layer that is arranged on an area of the base member in which no electrical wiring lines are provided and that is not electrically connected to the element substrate, the metal layer extending over the ridge.

Abstract: A liquid discharge head includes piezoelectric members including: a pressure chamber applying a pressure for discharging liquid to liquid; a first electrode provided on an inner surface side of the pressure chamber; and a second electrode provided outside the pressure chamber, the piezoelectric members being arranged in a first direction intersecting with an ink flow direction and in a second direction crossing the ink flow direction and the first direction so that the flow directions of the liquid flowing through the pressure chamber of the piezoelectric members are arranged along one another. The head includes first common wiring lines connected to the first electrodes arranged in the first direction; and second common wiring lines connected to the second electrodes 23 arranged in the second direction. The first common wiring lines are arranged in the second direction and the second common wiring lines are arranged in the first direction.

Abstract: A semiconductor device includes unit circuits arranged in a first direction, a bonding pad, and electrically conductive patterns configured to connect the unit circuits to the bonding pad. Each of the electrically conductive patterns includes a first portion connected to the bonding pad and extending in the first direction, and a second portion connected to the corresponding unit circuit. The electrically conductive patterns include a first type pattern in which the first portion is positioned on a first side of the second portion in a view from the first direction, and a second type pattern in which the first portion is positioned on a second side, which is opposite to the first side, of the second portion in a view from the first direction.

Abstract: A drive circuit for an inkjet recording head includes a plurality of electrically capacitive actuator elements, a drive signal source, a plurality of switching elements, and a plurality of resistances. The actuator elements are provided for a plurality of nozzles, and drive the nozzles to eject ink therefrom. The drive signal source outputs a drive signal for driving the actuator elements. The switching elements are connected to the respective actuator elements to separately drive the actuator elements, and selectively apply the output drive signal to the actuator elements. The resistances are provided for the respective actuator elements, and are connected to low potential sides of the actuator elements. Each of the resistances has a resistance value adjusted in accordance with the length of a wire between the corresponding one of the actuator elements and the drive signal source.

Abstract: A piezoelectric actuator is provided, including a piezoelectric layer arranged on one surface of a base member; a plurality of driving electrodes arranged on one surface of the piezoelectric layer; a plurality of leading electrodes led from the driving electrodes to apply a voltage to the driving electrodes; and a low dielectric layer arranged between the piezoelectric layer and the leading electrode, and having a dielectric constant lower than that of the piezoelectric layer. Surroundings of driving areas of the piezoelectric layer including areas facing the plurality of driving electrodes are joined to the base member. The plurality of leading electrodes extend to outside of the driving areas, respectively, some of the plurality of leading electrodes being led in a predetermined first direction, and others of the plurality of leading electrodes being led in a second direction different from the first direction.

Abstract: A print head including a jet stack can be formed using semiconductor device manufacturing techniques. A blanket metal layer, a blanket piezoelectric element layer, and a blanket conductive layer can be formed over a semiconductor substrate such as a semiconductor wafer or wafer section. The piezoelectric element layer and the blanket conductive layer can be patterned to provide a plurality of transducer piezoelectric elements and top electrodes respectively, while the metal layer forms a bottom electrode for the plurality of transducers. Subsequently, the semiconductor substrate can be patterned to form a body plate for the print head jet stack. Forming a print head jet stack using semiconductor device manufacturing techniques can provide a high resolution device with small feature sizes.

Abstract: A liquid ejection head includes a member having a plurality of ejection openings for ejecting liquid, and a substrate having first and second element arrays having plural elements for generating energy used for ejecting liquid, and a supply port array having plural supply ports for supplying liquid to the elements. A wiring for driving the elements, which is connected to the elements of the second element array, passes between the supply ports of the supply port array and extends to a first element array side. A length of each of the supply ports of the supply port array is greater than a length of each of the elements of the first and second element arrays.

Abstract: A printing apparatus has a cartridge attachment section including a terminal block having apparatus-side terminals disposed on its inclined surface, and a printing material supply pipe. Among the apparatus-side terminals, one apparatus-side ground terminal located on their center in Y direction is protruded to a greater height than the other plural apparatus-side terminals. A printing material cartridge has a circuit board, a printing material supply port, and a board mount portion that is inclined at an acute angle relative to a plane extended from an opening face of the printing material supply port. The circuit board is arranged such that one cartridge-side terminal on the circuit board comes into contact with the apparatus-side ground terminal prior to the other cartridge-side terminals in the process of attachment of the printing material cartridge to the cartridge attachment section.

Abstract: An ink jet printing head includes a head portion, an ink tank, a first rigid circuit board, a second rigid circuit board, a flexible printed circuit board, and a connector. The connector is disposed on a top surface of the ink tank, the first rigid circuit board is disposed on a side of the ink tank, the second rigid circuit board is disposed between the ink tank and the head portion, and the flexible printed circuit board is disposed in a bent condition between the first rigid circuit board and the second rigid circuit board.

Abstract: An inkjet head (3) comprises a wiring board (80) which. has, two-dimensionally arranged thereon, sets of nozzles (11) , pressure chambers (41) , and actuators (60) and which also has lines of wiring (87, 91) through-vias (85) , and ink flow paths (88); and connection sections (110, 111) which connect the lines of wiring to a drive section, the connection sections (110, 111) being disposed outside the arrangement region (R) in which the sets of the nozzles, the pressure chambers, and the actuators are arranged two-dimensionally. The nozzles are arranged in N rows (N is an integer greater than or equal to 2) , with each of the N rows comprising M nozzles (M is an integer greater than or equal to 2) which are arranged rectilinearly. The through-vias which correspond.

Abstract: There is provided a piezoelectric actuator device including a piezoelectric actuator which includes a plurality of piezoelectric elements, each of which has a piezoelectric layer sandwiched between two types of electrodes; and a plurality of driver ICs which drive the piezoelectric elements, wherein a part of the piezoelectric elements are connected to the plurality of driver ICs.

Abstract: A cartridge comprises an ink supply structure, a terminal bearing structure, and a first restriction portion. The terminal bearing structure has terminals arranged in a terminal plane which is neither parallel nor perpendicular to a plane defined by a mounting direction leading edge of the ink supply structure, so that the contact portions of the terminals receive a force in a direction opposite (RD) from the mounting direction. An engagement portion of the first restriction portion is provided at a position adjacent to the terminal bearing structure.

Abstract: The present invention relates to an adapter on jet printer and its corresponding ink cartridge. The adapter comprises a chamber for accommodating the ink cartridge and a chip set on the adapter. The contact surface of the chip and the printer is set with an information contact that is electrically connected with the printer and two detecting contacts. The opposite back surface of the chip with two detecting contacts is set with a non-contact trigger switch. The non-contact trigger switch is electrically connected with two detection contacts respectively. The non-contact trigger switch is triggered to become disconnected at least once by the non-contact trigger mechanism on the ink cartridge when the ink cartridge is inserted into the printer, after which it is not triggered by the non-contact trigger mechanism so as to go to the connected status.

Abstract: An inkjet printhead includes a printhead die including: a mounting substrate on which the printhead die is mounted, the mounting substrate including: a base layer including a hole; an intermediate layer including: a first surface including a plurality of contact pads; a second surface opposite the first surface, the second surface being proximate the base layer; and a slot that is aligned with the hole in the base layer; and a face layer proximate the first surface of the intermediate layer, the face layer including a window, wherein the printhead die is disposed within the window such that an ink feed opening of the printhead die is in fluid communication with the slot in the intermediate layer of the mounting substrate; and a plurality of electrical interconnections connecting bond pads of the printhead die to the plurality of contact pads on the intermediate layer of the mounting substrate.

Abstract: A printing apparatus includes: a holder in which a printing material cartridge set is mounted; and a mounting detection circuit for detecting mounted states of printing material cartridges in the holder. Each of the N printing material cartridges includes a storage device for storing information regarding a printing material which is contained, an electric device for mounting detection, a terminal for the storage device, and a terminal for the electric device. The electric devices of the N printing material cartridges are configured so that a detection voltage becomes equal to or greater than a threshold voltage set in advance when the N printing material cartridges are all mounted in the holder.

Abstract: An actuator included in a head substrate of an ink-jet head receives, with an electrode on the surface of the actuator, power fed from the wiring of a wiring substrate arranged opposite the head substrate. A first electrode of the wiring substrate is electrically connected to the wiring, and protrudes to the side of the head substrate. A second electrode is electrically connected to the electrode on the surface of the actuator, protrudes to the side of the wiring substrate and is electrically connected to the first electrode. The head substrate and the wiring substrate are adhered to each other through an adhesive layer such that a space to which the first electrode and the second electrode are exposed is hermetically sealed. The hermetically sealed space is in a vacuum state or is filled with a gas containing a predetermined amount of water or less.

Abstract: A liquid droplet ejecting head includes: a base substrate that has a concave portion that is formed to be open toward an upper surface and a wiring pattern; and an IC package that is electrically connected to the wiring pattern. The concave portion has a bottom portion and a pair of first side wall portions which stand obliquely on the bottom portion so as to be opposed to each other. Further, the wiring pattern has a plurality of linear objects, each of which is continuous and is constituted of a first part, a second part, and a third part. In addition, the IC package is formed in a chip shape, has a plurality of terminals which are formed on a front side surface, and is disposed such that the front side surface faces the concave portion, and each terminal is electrically connected to the first part.

Abstract: A liquid discharge recording head includes: a recording element substrate, an electric wiring board, and a supporting plate that supports the recording element substrate and the electric wiring board, with a gap formed between the recording element substrate and the electric wiring board, and a connecting member that electrically connects, across the gap, an electrode provided in the recording element substrate and an electrode terminal provided in the electric wiring board. A first resin agent that is filled in the gap, a second resin agent seals the electrode, the electrode terminal, and the connecting member, and a third resin agent that is provided between the first resin agent and the supporting plate and has a lower modulus of elasticity than the first resin agent and the second resin agent.

Abstract: In a liquid discharge head substrate having a connection line connected to a plurality of energy generating elements, and arranged between adjacent energy generating elements, a distance between the adjacent energy generating elements, between which the connection line is not arranged, is provided to be narrower than a distance of a portion where the connection line is provided.

Abstract: A liquid discharge head includes a liquid discharge head substrate including a discharge port through which a liquid is discharged, and a plurality of energy generating elements that generate energy for discharging the liquid from the discharge port, and a circuit board having flexibility including a pair of differential transmission lines for transmitting differential transmission signals used as logical signals for driving the energy generating elements, to the liquid discharge head substrate, and a voltage supply line for supplying a voltage applied to the energy generating elements to obtain the energy, to the liquid discharge head substrate, wherein the pair of differential transmission lines is provided on one surface of the circuit board, and the voltage supply line is provided on the other surface of the circuit board, which is on a reverse side of the one surface.

Abstract: A printhead assembly for an inkjet printer including: an elongate ink distribution member having a plurality of outlets spaced along a length thereof; a plurality of printhead integrated circuits fixed to the ink distribution member, each printhead integrated circuit having nozzles for ejecting ink supplied via the plurality of outlets; and an electrical connector for transmitting power and data to the plurality of printhead integrated circuits. The electrical connector has a first end electrically connected to the plurality of integrated circuits and a second end having an elongate array of contacts for electrical connection with a corresponding array of contacts on the inkjet printer.

Abstract: There is provided an ink supply device including: a cartridge installing section configured to install the ink cartridge in a horizontal direction; an ink supply section configured to be fluid communication with an ink supply portion of the ink cartridge; a first sensor disposed in the ink cartridge installing section and positioned under the ink supply section in a vertical direction; and a first partitioning member partitioned the ink supply section and the sensor in the vertical direction.

Abstract: According to one embodiment, an ink jet head includes an ink pressure chamber, a nozzle hole, a vibrating plate, an actuator, and electrodes. The ink pressure chamber stores ink which is discharged through the nozzle hole. The vibrating plate is formed to surround the nozzle hole. The actuator drives the vibrating plate. The electrodes are formed to be axially symmetrical with respect to the nozzle hole and drive the actuator.

Abstract: There is provided a driver for an inkjet head, capable of smoothly driving the inkjet head. The driver for an inkjet head includes: an amplifying unit having a plurality of amplifiers individually outputting signals having voltage levels amplified in accordance with a predetermined gain in a predetermined cycle; a coupling unit coupling the signals outputted from the plurality of amplifiers as a single driving signal in accordance with a control signal; a controlling unit controlling the coupling of signals performed by the coupling unit; and a switching unit switching a signal transmission path through which the single driving signal is transmitted to an inkjet head.

Abstract: A liquid jetting apparatus includes: a channel unit formed with a plurality of nozzles and a plurality of liquid channels communicating with the nozzles; an actuator including a plurality of drive sections, which are provided to correspond to the nozzles, include a plurality of connecting terminals, and are configured to apply jetting energy to a liquid in the liquid channels; and a flexible wiring member including a plurality of connecting portions joined to the plurality of connecting terminals of the actuator and a plurality of wires connected to the connecting portions. The wiring member includes a protrusion formed by bending a portion, different from a portion formed with the connecting portions, at which at least a part of the wires are formed, to project toward a side opposite to a connecting surface for connecting with the actuator.

Abstract: Provided are a large-area nano-scale active printing device, a fabricating method of the same, and a printing method using the same. The printing device may include a substrate, first interconnection lines extending along a first direction, on the substrate, an interlayered dielectric layer provided on the first interconnection lines to have holes partially exposing the first interconnection lines, second interconnection lines provided adjacent to the holes in the interlayered dielectric layer to cross the first interconnection lines, and wedge-shaped electrodes provided at intersections with the first and second interconnection lines and connected to the first interconnection lines. The wedge-shaped electrodes protrude upward at centers of the holes.

Abstract: A liquid droplet jetting apparatus configured to jet liquid droplets, includes: a channel structure; an energy applying device including a plurality of first contact points; a wiring board arranged to face the surface of the energy applying device and connected to the energy applying device. The wiring board includes second contact points electrically connected to the first contact points, respectively and signal wiring lines connected to the second contact points, respectively. Further, the liquid droplet jetting apparatus includes a sealing material arranged, between the wiring board and the energy applying device, to surround at least a part of an area in which the first and second contact points are arranged, and a recess-protrusion portion formed in an area, of the wiring board, which is positioned between the sealing material and the second contact points, and which is other than an area in which the second contact points are arranged.

Abstract: A flexible printed wiring member includes a flexible insulating base layer; a patterned copper layer disposed on the insulating base layer, the patterned copper layer including: a first portion including unplated copper leads; and a second portion including a plated metal layer disposed on the patterned copper layer; a first insulating cover layer disposed over the unplated copper leads in the first portion, the first insulating cover layer terminating at a first edge located proximate a boundary between the first portion and the second portion of the patterned copper layer; and a second insulating cover layer disposed over the first insulating cover layer, the second insulating cover layer terminating at a second edge located within the second portion of the patterned copper layer.