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7622855 Actuator, liquid droplet ejecting head, liquid droplet ejecting device, and method of manufacturing actuator  
An actuator has: a piezoelectric body formed in a shape of a tube and having an inner side wall, which faces a hollow portion of the tube, and an outer side wall, which is structured at an outer...
7621624 High-efficient ultrasonic ink-jet head and fabrication method of for the same  
A highly-efficient ultrasonic wave ink-jet head includes a piezoelectric transducer and a Fresnel lens provided on a supporting layer. A chamber structure is fabricated on the supporting layer by...
7621623 Recording head and inkjet recording apparatus  
A recording head includes: an ink reservoir; ejection nozzles; and at least one ink supply path through which ink, reserved in the ink reservoir, is supplied to the ejection nozzles. The ink supply...
7621622 Liquid ejection head  
The liquid ejection head comprises: a plurality of pressure chambers which are provided correspondingly to a plurality of ejection holes formed on a first wall defining the pressure chambers, the...
7618129 Liquid ejection head and image forming apparatus comprising same  
The liquid ejection head includes: a nozzle plate which has a plurality of ejection apertures through which a liquid is ejected; a plurality of pressure chambers which are connected respectively to...
7618128 Liquid ejection head, liquid ejection apparatus, and drive control method  
The liquid ejection head comprises: a nozzle through which liquid is ejected; a pressure chamber which stores the liquid ejected through the nozzle; a pressurizing device which changes a volume of...
7618120 Inkjet printhead and process for producing the same  
An inkjet printhead and process for producing the same, having at least an auxiliary actuator being added in the inkjet printhead structure, is able to increase the frequency response thereof and...
7618118 Inkjet head that improves flatness of ink ejection surface  
A channel unit has an ink ejection surface that includes nozzles, another surface, a common ink chamber, pressure chambers, and individual ink channels each fluidly connecting the common ink...
7614727 Liquid ejection head, manufacturing method thereof, and image forming apparatus  
The liquid discharge head comprises: a plurality of ejection ports which eject liquid; a plurality of pressure chambers which communicate respectively with the plurality of ejection ports; a...
7614711 Liquid droplet ejection method and liquid droplet ejection apparatus  
A liquid droplet ejection apparatus comprises: a nozzle from which a liquid droplet is ejected; a pressure chamber filled with liquid to which a pressure is applied in order to eject the liquid in...
7614128 Method of manufacturing piezoelectric element and method of manufacturing liquid-jet head  
While a piezoelectric element is being formed by sequentially laminating a lower electrode whose uppermost layer is made of iridium, a titanium layer, a piezoelectric layer and an upper electrode...
7612125 Ink and method of using the ink  
A pigmented ink for printing on untreated vinyl foils or substrates coated with vinyl by means of piezoelectric printing systems which include at least one heating device, wherein the ink is...
7611230 Inkjet recording apparatus  
An inkjet recording apparatus includes: a head unit including: an ultrasonic wave generation unit that generates ultrasonic waves; an ultrasonic wave focus unit that focuses the ultrasonic waves to...
7611229 Inkjet head  
An inkjet head includes a passage unit and an actuator unit. The passage unit includes a common ink chamber and an individual ink passage leading from an outlet of the common ink chamber through a...
7611228 Mist ejection head and image forming apparatus comprising same  
The mist ejection head includes: a nozzle which ejects liquid; a nozzle plate which has electrical conductivity and in which the nozzle is formed; a liquid chamber connected to the nozzle; an...
7607763 Droplet discharging head and droplet discharging device  
A droplet discharging head includes: a plurality of containing chambers provided in parallel to one another with partition walls interposed therebetween, each containing chamber, partitioned and...
7607762 Nozzle plate, method of manufacturing nozzle plate, liquid droplet ejection head, method of manufacturing liquid droplet ejection head, and image forming apparatus  
The nozzle plate comprises: a nozzle through which liquid is ejected; a nozzle forming surface in which the nozzle is provided; and a liquid-repellency layer which is provided on the nozzle forming...
7607761 Droplet discharging head and manufacturing method for the same, and droplet discharging device  
A droplet discharging head comprises a pressure chamber in which fluid is filled through a channel, and a nozzle that is connected to the pressure chamber and which discharges the fluid as a...
7607760 Ink-jet printing head having a plurality of actuator units and/or a plurality of manifold chambers  
An ink-jet printing head including a cavity unit and an actuator superposed on each other, wherein the cavity unit has (a) a plurality of nozzles open in a front surface thereof and arranged in at...
7607228 Method of manufacturing liquid ejection head  
The method manufactures a liquid ejection head in which piezoelectric bodies are formed on a diaphragm which constitutes walls of a plurality of pressure chambers. The method comprises the steps...
7604331 Piezoelectric element, method of manufacturing the piezoelectric element, and liquid ejecting head  
A piezoelectric element includes a lower electrode film formed on one surface of a substrate, a piezoelectric layer made of a piezoelectric material and disposed on the lower electrode film, and an...
7604329 Liquid ejection head and image forming apparatus  
The liquid ejection head comprises: a nozzle plate including a nozzle surface in which a plurality of nozzles from which liquid is ejected are formed, the nozzles being arranged two-dimensionally;...
7604328 Liquid-jet head, method of manufacturing the same and liquid-jet apparatus  
Included are a passage-forming substrate in which pressure generating chambers communicating respectively with nozzle orifices from which to eject ink droplets are formed; piezoelectric elements...
7604325 Inkjet printhead with reciprocating actuator  
An inkjet printhead integrated circuit includes a substrate defining an ink supply channel. An ink chamber structure is arranged on the substrate to define an ink chamber into which ink from the...
7600852 Printing apparatus  
An apparatus for maintaining an inkjet printer printhead in a working state, the printer defining an array of orifices from which in use jets of ink are projected. The apparatus may have a means...
7600845 Piezoelectric head inspection device and droplet jetting device  
The present invention provides an inspection device for a piezoelectric head. The piezoelectric head includes: a pressure chamber filled with liquid, a liquid supply channel that supplies the...
7600318 Method of manufacturing a piezoelectric vibration element for an inkjet recording head  
The present invention relates to a method of manufacturing a piezoelectric vibration element unit used for an inkjet recording head. The method includes the steps of alternately laminating...
7597428 Ink jet head  
Disclosed is an ink jet head which can eject an ink droplet while preventing failure of ink ejection, resulting in printing an image having good print quality. The ink jet head comprises a...
7597427 Liquid channel structure and liquid-droplet jetting apparatus  
An ink channel in a channel unit includes a pressure chamber and a throttle channel in which ink flows along different planes and a communication hole which communicates the pressure chamber and...
7597426 Ink-jet head and ink-jet printer  
An ink-jet head includes: a cavity unit having a nozzle row in which nozzles are arranged in a row, a common ink chamber, and ink channels connecting the common ink chamber with the nozzles,...
7597422 Ink-jet printer, head for ink-jet printer and flexible cable usable for the same  
The ink-jet printer head includes a cavity unit which has a plurality of pressure chambers arranged in a plurality of pressure-chamber rows; an actuator unit which has individual surface electrodes...
7594714 Inkjet printer head  
An inkjet printer head for performing recording by ejecting ink onto a recording medium, has: a cavity unit including a plurality of nozzle holes for ejecting the ink, a plurality of pressure...
7591544 Liquid ejecting head, method of producing the same, and liquid ejecting apparatus  
A liquid ejecting head includes a channel-forming substrate that communicates with nozzle orifices for ejecting a liquid and that includes a plurality of pressure-generating chambers separated by a...
7591543 Piezoelectric member, piezoelectric member element, liquid discharge head in use thereof, liquid discharge apparatus and method of manufacturing piezoelectric member  
A piezoelectric member of single crystal or uniaxial crystal and the piezoelectric member has a perovskite type oxide of a general formula ABO 3 with a main component of the A being Pb and a main...
7591542 Piezoelectric actuator, method for producing the same and ink-jet head  
A method of manufacturing a piezoelectric actuator includes a first step of providing, on an insulating layer, a first electrode which has a recess formed on a surface of the first electrode; a...
7588322 Liquid drop discharge piezoelectric device  
A liquid droplet discharging piezoelectric device 1 provided with a cavity member 11 with a built-in cavity 3 ; an introduction member 13 having introduction channel 5 connecting with the...
7585062 Liquid ejecting head  
A liquid ejecting head includes a passage unit, having a nozzle opening, a pressure generating chamber communicating with the nozzle opening, and a reservoir holding a liquid to be supplying to the...
7585061 Ejection head and image forming apparatus  
The ejection head includes a wall member which forms a pressure chamber and has an ejection aperture through which droplets of a liquid are ejected onto an ejection receiving medium, the pressure...
7585060 Liquid ejecting head and liquid ejecting apparatus  
A liquid ejecting head includes a passage-forming substrate, a plurality of pressure-generating elements, and an IC chip. The passage-forming substrate has a nozzle opening, and a...
7585059 Ink jet head and production method therefor  
An ink jet head is provided which includes: a piezoelectric board having a plurality of elongated channels arranged parallel to each other and isolated from each other by channel walls; and a...
7585058 Ink-jet head  
An ink-jet head includes a passage unit, a piezoelectric actuator, a first wire member, and a second wire member. The first wire member is connected to the piezoelectric actuator and has a driver...
7585057 Method of manufacturing ink-jet head  
There is provided a method of manufacturing an ink-jet head comprising a passage unit, a piezoelectric actuator, and a wire member. The passage unit has a surface on which a pressure chamber is...
7584903 Microdosing device  
A microdosing device includes a dosing chamber which at least temporarily receives a quantity of liquid, and to which at least one dispensing opening is assigned. A vibration unit is operatively...
7581825 Inkjet head and a method of manufacturing thereof  
To provide an inkjet head that maintains a reliable electric connection between a flow channel unit and a common electrode of an actuator unit, a flow channel unit is provided with a cavity formed...
7581824 Electrostatic actuator, droplet discharge head and method for manufacturing the droplet discharge head, droplet discharge apparatus, and device  
To provide an electrostatic actuator that generates high pressure under a given voltage and includes an insulating film exhibiting excellent insulation resistance, a droplet discharge head that...
7581823 Piezoelectric film element, method of manufacturing the same, and liquid discharge head  
A porous layer composed of porous silicon, and the like is formed by anodization and the like on a substrate acting as a vibration sheet of, for example, a liquid discharging head, and a single...
7575305 Liquid ejection head having improved ejection performance  
An object is to provide a fine forging method for forming partitions of recesses precisely and forming recess shapes for pressure generation chambers etc. with high accuracy as well as a liquid...
7575304 Liquid-droplet jetting apparatus and method of producing liquid-droplet jetting apparatus  
An ink-jet head, as a liquid-droplet jetting apparatus, includes a channel unit in which an ink channel is formed, a nozzle plate which has a nozzle which communicates with the ink channel, and a...
7571993 Ink-jet head  
An ink-jet head comprises a piezoelectric actuator including a piezoelectric layer, individual electrodes respectively corresponding to ink ejection channels and formed on a surface of the...
7571992 Pressure compensation structure for microelectromechanical systems  
A fluidic micro-electromechanical device includes a pressure compensating subsystem that enables the device to operate consistently in changing environmental pressure conditions. Such a fluidic...