Abstract: The area necessary to install the liquid jet head to be positioned by a positioning mechanism is reduced. An inkjet head is provided with a head main body for jetting ink, a base member which supports the head main body, and is installed on an installation surface of a carriage, and a positioning mechanism which adjusts a position of the base member in a direction along the installation surface with respect to a positioning pin disposed on the installation surface, wherein the positioning mechanism is supported by the base member, and at least a part of the positioning mechanism is arranged inside an outer shape of the base member in a plan view of the installation surface viewed from a vertical direction thereof.

Abstract: A head chip, a liquid jet head, a liquid jet recording device, and a method of manufacturing a head chip each capable of suppressing the variation in ejection performance between the ejection channels without changing the shape of a channel (a drive wall) are provided.

Abstract: There are provided a head chip, a liquid jet head, and a liquid jet recording device each capable of ensuring sufficient ejection pressure. The head chip according to an aspect of the present disclosure is provided with an actuator plate provided with first ejection channels and second ejection channels, and a feedback plate disposed on a lower end surface of the actuator plate. The first ejection channels are each surrounded by a pair of upstream drive walls opposed to each other in an X direction. The second ejection channels are each surrounded by a pair of downstream drive walls opposed to each other in the X direction.

Abstract: There are provided a head chip, a liquid jet head, a liquid jet recording device, and a method of manufacturing the head chip each capable of preventing the short circuit of electrodes by ink to maintain an excellent ejection performance over a long period of time. The head chip according to an aspect of the present disclosure includes an actuator plate, a cover plate, and an intermediate plate. In the actuator plate, open apertures which communicate an inside and an outside of a non-ejection channel with each other are formed in both end portions of the non-ejection channel in a Y direction. In the actuator plate, open apertures which communicate an inside and an outside of a non-ejection channel with each other are formed in both end portions of the non-ejection channel in the Y direction.

Abstract: The area necessary to install the liquid jet head to be positioned by a positioning mechanism is reduced. An inkjet head is provided with a head main body for jetting ink, a base member which supports the head main body, and is installed on an installation surface of a carriage, and a positioning mechanism which adjusts a position of the base member in a direction along the installation surface with respect to a positioning pin disposed on the installation surface, wherein the positioning mechanism is supported by the base member, and at least a part of the positioning mechanism is arranged inside an outer shape of the base member in a plan view of the installation surface viewed from a vertical direction thereof.

Abstract: A liquid jet head is accurately positioned to a head installation part of a liquid jet recording device.

Abstract: Isolation between electrodes is ensured to enhance resistance to a liquid. A conductive film is provided to a surface of a piezoelectric substrate, and laser processing is performed in a groove extending direction on the conductive film between a first groove and a second groove provided to the piezoelectric substrate to thereby form a laser processing area where the conductive film is removed to the surface of the piezoelectric substrate between the first groove and the second groove. In forming the laser processing area, an irradiation operation with a laser is performed along a plurality of laser processing lines extending in the groove extending direction.

Abstract: There are provided a method of manufacturing a head chip capable of suppressing the occurrence of the failure in the process of forming the actuator plate to thereby increase the yield ratio, and a method of manufacturing a liquid jet head using the above method of manufacturing a head chip. The method of manufacturing a head chip according to an embodiment of the present disclosure is a method of manufacturing a head chip having an actuator plate adapted to apply pressure to liquid so as to jet the liquid.

Abstract: There are provided a head chip, a liquid jet head, and a liquid jet recording device each capable of ensuring sufficient ejection pressure. The head chip according to an aspect of the present disclosure is provided with an actuator plate provided with first ejection channels and second ejection channels, and a feedback plate disposed on a lower end surface of the actuator plate. The first ejection channels are each surrounded by a pair of upstream drive walls opposed to each other in an X direction. The second ejection channels are each surrounded by a pair of downstream drive walls opposed to each other in the X direction.

Abstract: There are provided a head chip, a liquid jet head, a liquid jet recording device, and a method of manufacturing the head chip each capable of preventing the short circuit of electrodes by ink to maintain an excellent ejection performance over a long period of time. The head chip according to an aspect of the present disclosure includes an actuator plate, a cover plate, and an intermediate plate. In the actuator plate, open apertures which communicate an inside and an outside of a non-ejection channel with each other are formed in both end portions of the non-ejection channel in a Y direction. In the actuator plate, open apertures which communicate an inside and an outside of a non-ejection channel with each other are formed in both end portions of the non-ejection channel in the Y direction.

Abstract: There is provided a head chip and so on capable of achieving the reduction in power consumption and the improvement in print image quality while suppressing the manufacturing cost of the head chip. The head chip according to an embodiment of the present disclosure includes an actuator plate having a plurality of ejection grooves and a plurality of electrodes, a nozzle plate having a plurality of nozzle holes, and a cover plate having a wall part, a first through hole, and a second through hole. The plurality of nozzle holes includes a plurality of first nozzle holes arranged so as to be shifted toward the first through hole, and a plurality of second nozzle holes arranged so as to be shifted toward the second through hole. In a first ejection groove communicated with the first nozzle hole, a first cross-sectional area of a part communicated with the first through hole is smaller than a second cross-sectional area of a part communicated with the second through hole.

Abstract: Isolation between electrodes is ensured to enhance resistance to a liquid. A conductive film is provided to a surface of a piezoelectric substrate, and laser processing is performed in a groove extending direction on the conductive film between a first groove and a second groove provided to the piezoelectric substrate to thereby form a laser processing area where the conductive film is removed to the surface of the piezoelectric substrate between the first groove and the second groove. In forming the laser processing area, an irradiation operation with a laser is performed along a plurality of laser processing lines extending in the groove extending direction.

Abstract: There is provided a head chip and so on capable of achieving the reduction in power consumption and the improvement in print image quality while suppressing the manufacturing cost of the head chip. The head chip according to an embodiment of the present disclosure includes an actuator plate having a plurality of ejection grooves and a plurality of electrodes, a nozzle plate having a plurality of nozzle holes, and a cover plate having a wall part, a first through hole, and a second through hole. The plurality of nozzle holes includes a plurality of first nozzle holes arranged so as to be shifted toward the first through hole, and a plurality of second nozzle holes arranged so as to be shifted toward the second through hole. In a first ejection groove communicated with the first nozzle hole, a first cross-sectional area of a part communicated with the first through hole is smaller than a second cross-sectional area of a part communicated with the second through hole.

Abstract: A liquid jet head chip capable of exerting an excellent ejection performance while having a compact configuration is provided. The liquid jet head chip is provided with an actuator plate, a common electrode, a common electrode pad for external connection, a cover plate, and a sealing plate. The actuator plate has an obverse surface, a reverse surface, and an ejection channel penetrating in a thickness direction and extending in a first direction perpendicular to the thickness direction. The common electrode is disposed on an inner surface of the ejection channel. The common electrode pad is disposed in an end part region in the first direction out of the reverse surface, and is coupled to the common electrode. The cover plate is disposed so as to be opposed to the obverse surface of the actuator plate, and has a liquid flow hole opposed to the ejection channel.

Abstract: There are provided a method of manufacturing a head chip capable of suppressing the occurrence of the failure in the process of forming the actuator plate to thereby increase the yield ratio, and a method of manufacturing a liquid jet head using the above method of manufacturing a head chip. The method of manufacturing a head chip according to an embodiment of the present disclosure is a method of manufacturing a head chip having an actuator plate adapted to apply pressure to liquid so as to jet the liquid.

Abstract: According to an embodiment, an ink jet head includes a pair of actuator plates, a return plate, and a flow passage plate. The pair of actuator plates are disposed to face each other in a Y-direction. In the actuator plate, a plurality of channels which extend in a Z-direction are arranged at a distance in an X-direction. The return plate is disposed on an opening end side of the channels in the pair of actuator plates. A circulation passage which communicates with the channels is formed in the return plate. The flow passage plate is disposed between the pair of actuator plates. An inlet flow passage into which an ink flows and an outlet flow passage which communicates with the circulation passage are arranged in the Z-direction.

Abstract: According to an embodiment, a liquid ejecting head chip includes an actuator plate, a cover plate, a common electrode, and a connection wiring. In the actuator plate, a plurality of discharge channels and a plurality of non-discharge channels which extend in a Z-direction are alternately arranged at a distance in an X-direction. The cover plate is stacked on an AP-side-Y-direction inner side surface, so as to close the plurality of discharge channels and the plurality of non-discharge channels. The common electrode is formed on an inner surface of each of the discharge channels. The connection wiring is divided so as to be formed in at least 3 or more places in the X-direction on the cover plate, and the common electrode connects the connection wiring to the flexible substrate.

Abstract: According to an embodiment, a liquid ejecting head chip includes an actuator plate, a cover plate, a common electrode, and a connection wiring. In the actuator plate, a plurality of discharge channels and a plurality of non-discharge channels which extend in a Z-direction are alternately arranged at a distance in an X-direction. The cover plate is stacked on an AP-side-Y-direction inner side surface, so as to close the plurality of discharge channels and the plurality of non-discharge channels. The common electrode is formed on an inner surface of each of the discharge channels. The connection wiring is divided so as to be formed in at least 3 or more places in the X-direction on the cover plate, and the common electrode connects the connection wiring to the flexible substrate.

Abstract: According to an embodiment, an ink jet head includes a pair of actuator plates, a return plate, and a flow passage plate. The pair of actuator plates are disposed to face each other in a Y-direction. In the actuator plate, a plurality of channels which extend in a Z-direction are arranged at a distance in an X-direction. The return plate is disposed on an opening end side of the channels in the pair of actuator plates. A circulation passage which communicates with the channels is formed in the return plate. The flow passage plate is disposed between the pair of actuator plates. An inlet flow passage into which an ink flows and an outlet flow passage which communicates with the circulation passage are arranged in the Z-direction.

Abstract: According to an embodiment, a member is formed by being cut from a parent material, and has a cut surface. The member includes a base material and a filler. The base material is included in the parent material. The filler is buried in a space provided in the parent material and has cuttability which is better than that of the base material. The base material and the filler are exposed to the cut surface together.