Abstract: A liquid discharge device includes a modulation circuit that generates a modulation signal obtained by pulse-modulating a source signal by self oscillation, a transistor pair which includes a high side transistor and a low side transistor and which generates an amplified modulation signal by amplifying the modulation signal, a demodulator which includes an inductor and a capacitor and which generates a drive signal by smoothing the amplified modulation signal, an piezoelectric element that is displaced when the drive signal is applied, a cavity inside which a liquid droplet is filled and whose internal volume is changed by the displacement of the piezoelectric element, and a nozzle provided to discharge liquid inside the cavity according to the change of the internal volume of the cavity. A distance between the high side transistor and the capacitor is longer than a distance between the inductor and the capacitor.

Abstract: In an embodiment, a fluid flow structure includes a micro device embedded in a molding, and a fluid feed hole formed through the micro device. A fluid channel is fluidically coupled to the fluid feed hole and includes a first compression molded channel segment and a second material ablated channel segment.

Abstract: A MEMS device includes a protective substrate on which is mounted a driving circuit that drives a piezoelectric actuator and on which is formed an interconnect pattern electrically connected to the driving circuit, and a sealing substrate that includes a first opening and that is bonded to the protective substrate using an adhesive so that part of the interconnect pattern is located between the protective substrate and the sealing substrate. The interconnect pattern includes a connection portion that extends from a bonding region where the protective substrate and the sealing substrate are bonded by the adhesive to the first opening, and that has a connection region electrically connected to the driving circuit. A groove is formed in the connection portion between the connection region and a border between the bonding region and the connection portion.

Abstract: A liquid ejecting head unit which includes a liquid ejecting head which includes a nozzle surface provided with nozzles, the nozzle surface being on a plane defined by two directions including a first and a second directions intersecting each other, a wiping unit comprising a wiper parallel to the first direction and configured to perform relative movement in the second direction between the wiper and the nozzle surface to wipe the nozzle surface, a recess defined by an edge provided along the first direction on the nozzle surface, and a controller for filling the recess with a liquid which spills from at least one nozzle among the nozzles, and for wiping the nozzle surface after wiping the recess.

Abstract: A printer including an ink supply, a printhead cartridge, at least one fluid connection between the printhead cartridge and the ink supply, the printhead cartridge having a first configuration in which the fluid connection is coupled and the printhead cartridge is in electrical contact with other components of the printer and a second configuration in which the fluid connection is decoupled and the printhead cartridge is out of electrical contact with the other components of the printer, a cover latch having an open configuration and a closed configuration, and at least one moveable ejector arm that is mechanically linked to the cover latch so that the at least one ejector arm engages the printhead cartridge and forces the printhead cartridge towards the second configuration as the cover latch is moved towards the open configuration.

Abstract: The present invention relates to an ink cartridge. The ink cartridge comprises: a space for storing ink; an ink cartridge module having a pair of heads arranged in an offset manner such that a print width is extended; and a flexible printed circuit board connected to the ink cartridge module on a circuit configuration, wherein the ink cartridge module has a cross sectional shape in which two rectangular shapes having long sides and short sides respectively come in close contact with each other such that the long sides of the two rectangular shapes overlap in part, and thus can configure an array in the direction of either the long side or the short side. The ink cartridge according to the present invention can implement various sizes of print widths and various colors by arranging one or more ink cartridge modules adjacent to each other.

Abstract: A liquid ejection apparatus and method of manufacture are disclosed. One apparatus includes a pressure chamber, a diaphragm covering the pressure chamber, and a piezoelectric element having a piezoelectric component positioned opposing the pressure chamber. The apparatus further includes a first electrode disposed on a first side of the piezoelectric component toward the pressure chamber and a second electrode disposed on a second side of the piezoelectric component opposite the first side in an opposed region, the opposed region being a region opposed to the second electrode. The apparatus also includes a metal film disposed between the piezoelectric component and the diaphragm, the metal film being absent from at least a portion of the opposed region. The metal film and the first electrode are in electrical contact with each other. The first electrode is made of platinum and the metal film is made of a metal material other than platinum.

Abstract: In the present invention, a connector pin assembly for a high voltage (hv) connector used to connect a high voltage (hv) power supply to a cathode assemble of an X-ray tube is provided. The pin connector assembly includes a conductive outer cylinder adapted to be connected to a hv power supply, a conductive inner cylinder located at least partially within the outer cylinder, a biasing member disposed within the inner cylinder, a conductive plunger slidably disposed within and engaged with the inner cylinder and the biasing member and a non-conductive member disposed within the inner cylinder, the non-conductive member operable to restrict a current flowing through the connector pin along a path from the outer cylinder through the inner cylinder to the plunger, without contacting the biasing member.

Abstract: A cartridge comprises a liquid container that is at least partly made of a flexible material and is configured to contain a liquid therein; a recess that is configured to be open toward a mounting direction of the cartridge to a liquid ejection apparatus; and a fluid receiving portion that is placed inside of the recess and is configured to receive supply of a pressurized fluid.

Abstract: A piezoelectric element includes an element layer, an electrode layer including one or more positive electrode layers and one or more negative electrode layers repeatedly stacked to alternate with each other on the element layers in a vertical direction, a primary positive electrode connection member connecting the positive electrode layers, a primary negative electrode connection member connecting the negative electrode layers, at least one secondary positive electrode connection member, at least one secondary negative electrode connection member, and a primary electrode connected to the primary positive electrode connection member and the primary negative electrode connection member and configured of a pair of electrodes, and at least one secondary electrode spaced apart from the primary electrode and configured of a pair of electrodes.

Abstract: A printhead assembly is provided, the printhead assembly including a printhead die, a black fluid slot formed in the printhead die to deliver black printing fluid, and a color fluid slot formed in the printhead die to deliver color printing fluid.

Abstract: A piezoelectric element includes an element layer, an electrode layer including one or more positive electrode layers and one or more negative electrode layers repeatedly stacked to alternate with each other on the element layers in a vertical direction, a primary positive electrode connection member connecting the positive electrode layers, a primary negative electrode connection member connecting the negative electrode layers, at least one secondary positive electrode connection member, at least one secondary negative electrode connection member, and a primary electrode connected to the primary positive electrode connection member and the primary negative electrode connection member and configured of a pair of electrodes, and at least one secondary electrode spaced apart from the primary electrode and configured of a pair of electrodes.

Abstract: A liquid jet head has a head chip which ejects liquid droplets, a nozzle plate in contact with a lower surface of the head chip, a flexible circuit board in contact with the lower surface of the head chip, and a bending member in direct contact with the flexible circuit board and configured to bend the flexible circuit board along a lower corner of the head chip. The nozzle plate and the flexible circuit board contact the lower surface of the head chip in the same plane thereby saving space to enable downsizing of the liquid jet head.

Abstract: According to one embodiment, an ink jet head includes a discharge section, a control section that has a first receiving section, a setting section, a second receiving section, and a determination section, and a voltage applying section. The first receiving section receives setting data for setting a command code value corresponding to a command. The setting section sets the command code value with respect to the command based on the setting data received by the first receiving section. The second receiving section receives command data including the command code value. The determination section determines the command indicated by the command code value included in the command data that is received by the second receiving section based on the command code value set by the setting section. The voltage applying section applies a voltage to the actuator based on the command that is determined by the determination section.

Abstract: A liquid cartridge includes a first surface, a second surface spaced apart from the first surface, and a third surface extending between the first surface and the second surface, with a liquid outlet through the first surface. A circuit board is mounted on the third surface. A locking mechanism includes a locking surface that extends above the third surface, and a liquid detection mechanism includes a light access portion. The light access portion is disposed between the circuit board and the locking surface, and the circuit board is disposed between the first surface and the light access portion.

Abstract: Low-profile service stations for use with printers are described herein. One example service station includes a shuttle to support a cap sled. The shuttle has a shuttle drive and a pump drive positioned such that at least one of the shuttle drive and the pump drive does not extend between a first side and a second side of the shuttle. The shuttle drive is coupled to a printer drive to move the shuttle between a first position and a second position.

Abstract: There is provided a liquid discharging apparatus including: a modulation portion which generates a modulation signal pulse-modulated from a source signal; a gate driver which generates an amplification control signal based on the modulation signal; a transistor which generates an amplification modulation signal amplified from the modulation signal based on the amplification control signal; a low pass filter which demodulates the amplification modulation signal and generates a driving signal; a piezoelectric element which is displaced as the driving signal is applied; a first power source portion which applies a constant voltage signal to a terminal which is different from a terminal to which the driving signal of the piezoelectric element is applied; and a temperature detection portion which detects temperature, in which the first power source portion is disposed on the shortest straight path between the temperature detection portion and the gate driver.

Abstract: A method of cleaning a liquid discharge head having a substrate provided with a supply port, a heat-generating resistor covered with a covering layer, a liquid chamber forming member configured to form a liquid chamber, and at least one electrode and being configured to discharge liquid supplied to the liquid chamber from the supply port by causing the heat-generating resistor to generate heat, includes applying a voltage to the covering layer and the electrode to cause an electrochemical reaction between the covering layer and the liquid and dissolve the covering layer into the liquid to remove kogations accumulated on the covering layer, in which the covering layer and the electrode to which the voltage is to be applied are not provided in the same liquid chamber having the same cross-sectional area in a direction from the covering layer toward the electrode.

Abstract: A liquid supply device includes a liquid container having a liquid containing part and a liquid supply part facing a first direction intersecting a gravity direction when supplying liquid to a liquid consumption device, a first support part supporting the liquid supply part such that the liquid supply part is positioned further to an upper side in the gravity direction than the liquid containing part and the liquid supply part moves in the first direction and a direction opposite the first direction, a liquid introduction part attached to the liquid consumption device and configured to connect with the liquid supply part by the liquid supply part moving in the first direction by the first support part, and a positioning part arranged at the liquid introduction part and configured to position the liquid supply part in a direction intersecting the first direction when connecting with the liquid supply part.

Abstract: A connection structure of an electronic device includes a circuit board, a plurality of conductive contact pads and a conductive pattern. The conductive contact pads and the conductive pattern are disposed on the circuit board. The conductive contact pads are electrically insulated from one another. The conductive pattern is electrically insulated from the conductive contact pads. The conductive pattern is disposed on at least three sides of the conductive contact pads so as to generate an electrostatic discharge protection effect for the conductive contact pads.

Abstract: There is provided a method for manufacturing a liquid ejection head comprising a base plate that is provided with supply slits, and an element substrate that is jointed to the base plate and is provided with supply openings. In a case where a shift amount between a position of the supply opening and a position of the supply slit is a predetermined value or more, the element substrate is corrected in position such that the shift amount is less than the predetermined value, and a position of the element substrate is corrected by an integral multiple of an image formation minimum pixel pitch in a sheet conveying direction, of an image formed on a sheet, as a unit of a travel distance at the correcting of the element substrate.

Abstract: A printing material holding container is configured to be mounted in a printing device that includes a printing material supply tube fixed in the device, and a groove formed on an inner bottom surface of the device. The printing material holding container includes a case, a printing material holding portion provided inside the case, a printing material supply port configured to be connected with the printing material supply tube, a printing material filling port provided on the case, communicating with the printing material holding portion, and a convex part provided on the bottom of the case, configured to be inserted in the groove when the printing material holding container is mounted in the device.

Abstract: A liquid droplet jetting apparatus includes: a nozzle plate formed with a nozzle; a first flow passage formation body stacked on the nozzle plate and formed with a liquid flow passage including a pressure chamber in communication with the nozzle; a piezoelectric element arranged on a surface of the first flow passage formation body on the side opposite to the nozzle plate and configured to apply a pressure to a liquid in the pressure chamber; and a second flow passage formation body arranged on the side opposite to the nozzle plate with respect to the first flow passage formation body so as not to hinder driving of the piezoelectric element. The second flow passage formation body is formed with a liquid storing chamber and a throttle flow passage configured to restrict an amount of the liquid flowing from the liquid storing chamber into the pressure chamber.

Abstract: A liquid container is mountable on a mount portion in a state of being engaged into a first engaging portion with respect to a supporting portion. The liquid container includes a first wall including a first section mountable on the mount portion; a second wall facing the first wall; a third wall intersecting with the first wall and the second wall; a fourth wall which faces the third wall, and intersects with the first wall and the second wall; and a first engaged portion capable of being engaged into the first engaging portion, in which when a direction from the first wall to the second wall is defined as a Z-axis direction, the first engaged portion is projected to the side opposite to the second wall side from the first wall, and is capable of coming in contact with the first engaging portion in the Z-axis direction.

Abstract: A liquid ejection apparatus comprising: a nozzle; a first channeled structure defining a first liquid channel, the first liquid channel communicating with the nozzle; a second liquid channel; a communication opening connecting the first liquid channel and the second liquid channel; a laminated body including a piezoelectric element and a metal layer, the laminated body having a first portion supported by the first channeled structure and a second portion extending over the first liquid channel and not supported by the first channeled structure, the communication opening extending through the second portion of the laminated body such that the second portion surrounds the communication opening; wherein the second portion of the laminated body includes the metal layer surrounding the communication opening.

Abstract: A liquid discharging apparatus includes a modulation portion that generates a modulation signal obtained by pulse-modulating a source signal; an amplifier that includes a first gate driver generating a first amplification control signal based on the modulation signal, a second gate driver generating a second amplification control signal based on the modulation signal, a first transistor operating based on the first amplification control signal, a second transistor connected to the first transistor on a low-potential side in series and operating based on the second amplification control signal; an operation control portion that controls operations of the first gate driver and the second gate driver; a low-pass filter that generates a driving signal by demodulating an amplification modulation signal generated based on operations of the first transistor and the second transistor; and a piezoelectric element that is displaced by applying the driving signal.

Abstract: A dummy head is attachable to and detachable from a carriage of a liquid ejecting apparatus including a first route having a supply port through which a liquid can be supplied to a liquid ejecting head in a state of being attached to the carriage, and a second route having a collection port through which the liquid can be collected from the liquid ejecting head. The dummy head has a third route which can be connected to the supply port and the collection port.

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: A method of making a semiconductor substrate having a through-hole includes a step of forming an etching mask on a semiconductor substrate in accordance with a pattern corresponding to the through-hole, and a step of forming the through-hole by etching the semiconductor substrate, on which the etching mask has been formed, by reactive ion etching. At least a part of the pattern corresponding to the through-hole is formed so that the semiconductor substrate is exposed in a frame-like shape along the inner edge of the through-hole.

Abstract: There are provided a liquid ejecting head and a support member that can achieve both of breakage avoidance of a print element substrate and deformation suppression of the support member. Therefore a plate thickness of an adhesion part in the support member is thinner that a plate thickness of a main surface other than the adhesion part.

Abstract: A holding member for a liquid storage container includes: a mounting portion for removably mounting the liquid storage container through an opening along a predetermined direction; and a locking member for locking the mounted liquid storage container to the mounting portion by being fitted to the liquid storage container, wherein the mounting portion has a regulating portion for regulating inclination of a posture of the liquid storage container relative to the predetermined direction at the time of mounting the liquid storage container, the regulating portion being a portion provided such that a space between an inner surface of the mounting portion and an outer surface facing thereto of the liquid storage container is partially narrowed along a direction of insertion.

Abstract: A recording apparatus includes a housing body, an opening/closing member, attached to the housing body via a pivot shaft so as to be capable of rotating freely, that covers the surface of the housing body on one side thereof, and an ink tank having an injection port for filling an ink holding chamber with ink used in recording. Here, the ink tank is disposed so that one end thereof is positioned within the housing body on the opposite side of the housing body as the side in which the pivot shaft is provided, and has a stepped shape including a step portion, the step portion being provided on a side of the ink tank that is further from the pivot shaft. The injection port is provided in the step portion, and when the opening/closing member is opened and the ink is to be filled.

Abstract: A wall-shaped enclosure that forms a space which can accommodate a head chip is formed in a projecting manner at a lower end of a lower case member. Since a cylindrical thick part is formed at the lower end of the lower case member, the lower case member is unlikely to be bent, particularly around the wall-shaped enclosure and a part where the wall-shaped enclosure is disposed. The head chip that is disposed in the space of the lower case member which is unlikely to be bent is unlikely to be subjected to an external force, and the cover member absorbs torsion generated between the head chip and the lower case member so that the head chip is even more unlikely to be subjected to the external force.

Abstract: A liquid droplet jetting apparatus includes: a nozzle plate formed with a nozzle; a first flow passage formation body stacked on the nozzle plate and formed with a liquid flow passage including a pressure chamber in communication with the nozzle; a piezoelectric element arranged on a surface of the first flow passage formation body on the side opposite to the nozzle plate and configured to apply a pressure to a liquid in the pressure chamber; and a second flow passage formation body arranged on the side opposite to the nozzle plate with respect to the first flow passage formation body so as not to hinder driving of the piezoelectric element. The second flow passage formation body is formed with a liquid storing chamber and a throttle flow passage configured to restrict an amount of the liquid flowing from the liquid storing chamber into the pressure chamber.

Abstract: An ink containing device includes an ink cartridge and an adaptor. The ink cartridge comprises a first main body comprising a chamber configured to store ink, and an ink outlet portion disposed on a first surface of the first main body configured to direct the ink from the chamber to an exterior of the first main body, and an ink detecting portion configured to detect an amount of the ink stored in the ink chamber. The adaptor is configured to attach to the ink cartridge. The adaptor comprises a second main body comprising a second surface, and an electrical interface disposed on the second surface.

Abstract: A liquid ejecting head including a head which discharges ink from a nozzle surface on which a nozzle is included based on data, a signal line which sends data to the head via a connector, a carriage on which the head is mounted, and a first concave section and second concave section which accommodate the signal line and are included toward the outside of the carriage, in which the signal line is connected to the connector lined up with a terminal in the Y direction, and a position of a folded portion of the signal line which is accommodated in the first concave section and the second concave section overlaps with a fourth portion to a fifth portion which are a section of the carriage, and overlaps with a first portion to a second portion which are a section of the head in the X direction.

Abstract: Provided is a liquid ejection head that makes it possible to achieve both of the stability of bonding and the shortening of a bonding time when bonding an electrical wiring substrate where thick leads applied with large current and thin leads applied with small current are mixed and a printing element substrate. For this purpose, the electrical wiring substrate includes wiring lines having different widths, and each of the wiring lines of the electric wiring substrate and a connecting terminal of the printing element substrate are connected by inner leads whose number corresponds to width of the wiring line.

Abstract: A liquid discharge apparatus includes: a modulation circuit that generates a modulated signal by pulse-modulating a source signal through self-oscillation; a pair of transistors that include a high-side transistor and a low-side transistor and amplify the modulated signal to generate an amplified modulated signal; a low-pass filter that includes an inductor and a capacitor and smoothes the amplified modulated signal to generate a drive signal; a piezoelectric element that is displaced by application of the drive signal thereto; a cavity that is filled with a liquid inside and has an internal volume which changes when the piezoelectric element is displaced; and a nozzle that is provided to discharge the liquid inside the cavity in response to the change of the internal volume of the cavity. A shortest distance between the low-side transistor and the capacitor is shorter than a shortest distance between the high-side transistor and the capacitor.

Abstract: An image reading apparatus includes a platen on which a document is placed, an image reading unit configured to be movable under the platen, to receive light reflected by the document placed on the platen, and to output an image signal, a flexible flat cable configured to transfer the image signal output from the image reading unit, and a holding member configured to hold the flexible flat cable and attached to the image reading unit. The image reading unit includes a connection portion to which the flexible flat cable is connected, and, when the image reading unit is moved, a curvature portion of the flexible flat cable is formed opposite the connection portion across the image reading unit in a direction in which the image reading unit is moved.

Abstract: A liquid ejecting apparatus includes a first transport roller, and a second transport roller which transports a medium; and a liquid ejecting head which includes a plurality of nozzle openings, and ejects liquid toward the medium which is transported, a pressure generation unit which causes a change in pressure in liquid in a flow path, and a wiring board of which one face is arranged so as to face a direction in which the liquid is ejected, and is electrically connected to the pressure generation unit, in which the wiring board is arranged between the first transport roller and the second transport roller, and is arranged at a position at which the wiring board does not overlap with the first transport roller and the second transport roller and the first transport roller or the second transport roller is arranged at a position at which the roller overlaps with the liquid ejecting head.

Abstract: Provided is a recording apparatus including a controller which controls a recording operation relating to a recording medium, a carriage which can move in a predetermined movement direction, a cable which is connected to both the controller and the carriage and passes across the upper side of at least a part of a carriage movement area in the predetermined movement direction, and a metallic member which partially shields at least a part of the cable, which is a portion extending in a direction intersecting the predetermined movement direction, a guiding member which is formed of metal and guides the cable and a substrate which constitutes the controller. The metallic member is mounted on the guiding member, in a state where the cable is pinched between the metallic member and the guiding member. The metallic member is electrically connected to a ground in the substrate.

Abstract: An image forming apparatus includes an exposure control unit that performs control, based on a shift-amount of an exposure position from an ideal position, the shift-amount being obtained from a detection-result of a misregistration correcting pattern image, to shift at least one of an exposure timing corresponding to first image data which is input to one of two electric cables in contact with a target electric cable and an exposure timing corresponding to second image data which is input to another one of the two electric cables, with respect to an exposure timing corresponding to target image data being input to the target electric cable both sides of which are in contact with the two other electric cables, among a plurality of the electric cables which corresponds respectively to a plurality of the exposure units provided for each of a plurality of colors.

Abstract: A liquid container can be smoothly mounted to a mounting portion, and the liquid container is reliably locked when mounting is complete. The liquid container includes: a first surface that is on a side in a direction of insertion (+Y direction); a second surface that opposes the first surface; a third surface that intersects the first surface and the second surface and has formed therein a groove portion that can engage with a lever member; a fourth surface that opposes the third surface; and lower protruding wall portions that are provided on at least one of the third surface and the fourth surface, and are positioned by guide surfaces of lower guide ribs of the mounting portion when the ink cartridge is locked by engagement of the groove portion with the lever member due to the ink cartridge moving in the direction of insertion into the mounting portion.

Abstract: A liquid ejection cartridge having a liquid ejection section for ejecting liquid includes an electrical contact section to be electrically connected to a terminal section of an apparatus main body, the electrical contact section being formed by a plurality of printed substrates arranged on a same surface.

Abstract: A liquid ejection apparatus comprising: a nozzle; a pressure chamber communicating with the nozzle; a laminated body including a piezoelectric element, the laminated body covering the pressure chamber, the laminated body defining a communications opening therethrough; a reservoir communicating with the pressure chamber via the communication opening; a wall extending from the laminated body so as to extend around the communication opening, the wall including a conductive portion; a drive contact electrically connected to the piezoelectric element by a conductor including the conductive portion of the wall.

Abstract: A liquid container retaining unit includes: a first urging member for generating, in relation to the insertion of a liquid container into the container retaining element, an urging force to urge the liquid container in a removal direction; a container retaining mechanism for releasing the liquid container from a restricted state by moving the liquid container retained in the restricted state in the insertion direction so that the urging force of the first urging member is capable of moving the liquid container in the removal direction; a second urging member for generating, when the liquid container is retained within the container retaining element in the restricted state, an urging force to urge so as to cause the first electrodes on the liquid container and the second electrodes on the container retaining element to abut against each other.

Abstract: A board for a printhead mountable on a printing apparatus includes three terminals used for connection to the printing apparatus, a printing element, a driving circuit connected to the first terminal, an inspection circuit connected between the first terminal and the second terminal, and a resistance element connected between the second terminal and the third terminal. When an inspection signal is supplied from the printing apparatus to the first terminal, the inspection circuit outputs an output signal according to the inspection signal. When a control signal for performing printing is supplied from the printing apparatus to the first terminal, the driving circuit drives the printing element according to the control signal, and the inspection circuit sets the inspection circuit and the second terminal in an open state with each other.

Abstract: In a liquid ejection head for ejecting liquid by using thermal energy, reduction of film thickness caused by elution of a protective layer when kogation on the protective layer is removed is made uniform and decrease in liquid ejection performance is suppressed. More specifically, a counter electrode is provided around a portion on which an ejection port of a flow path forming member is formed.

Abstract: A fluid ejector includes a fluid ejection module having a substrate and a layer separate from the substrate. The substrate includes a plurality of fluid ejection elements arranged in a matrix, each fluid ejection element configured to cause a fluid to be ejected from a nozzle. The layer separate from the substrate includes a plurality of electrical connections, each electrical connection adjacent to a corresponding fluid ejection element.

Abstract: A liquid ejecting head includes a pressure element that applies a pressure to a pressure chamber which communicates with a nozzle which ejects a liquid, and a lead electrode that is joined to a wiring substrate which supplies a driving signal which drives the piezoelectric element, and the pressure element, in which a surface of the lead electrode on the wiring substrate side in a connection region between the lead electrode and the wiring substrate becomes a concavo-convex surface, in which the lead electrode and the wiring substrate are fixed to each other at a periphery of the connection region and at least one portion of a concave portion of the concavo-convex surface of the lead electrode with a non-conductive paste, and in which the lead electrode and the wiring substrate are electrically connected to each other at a convex portion of the concavo-convex surface of the lead electrode on which the non-conductive paste is not present.