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7636995 Method of manufacturing a liquid ejection head  
The method of manufacturing a liquid ejection head includes the steps of: forming piezoelectric elements on a diaphragm; stacking an intermediate plate which includes recess sections for covering...
7635176 Connection structure between resin component and metal component and ink-jet head comprising the same  
The first passage component and the second passage component are fixed with each other as the male screw part is screw-engaged with the female screw hole while the cylinder part is inserted into...
7631959 Ink jet head structure and adhering method thereof  
An ink jet head structure and an adhering method thereof are provided. The ink jet head structure has ink accommodated therein, and the ink is jetted with the operation of the actuator. The ink jet...
7628470 Liquid ejection head, method of manufacturing same, and image forming apparatus  
The liquid ejection head ejects droplets of liquid from ejection ports by pressurizing the liquid filled in pressure chambers connected to the ejection ports. The liquid ejection head includes a...
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...
7618130 Liquid jet head and liquid jet apparatus  
Provided are a liquid jet head capable of preventing occurrence of crosstalk and obtaining a stable liquid ejecting property and a liquid jet apparatus. Partitions 11 at both sides in a width...
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...
7611232 Multi-nozzle ink jet head  
A multi-nozzle ink jet head having a diaphragm that effectively utilizes the force generated by thin-film piezoelectric elements is disclosed. The head ( 2 ) has a head substrate ( 28 ) in which...
7610679 Method of producing inkjet printhead  
There is disclosed a method of producing an inkjet printhead including a cavity unit having therein ink passages and formed by stacking a plurality of kinds of flat plates each of which has a...
7611231 Inkjet printhead  
An inkjet printhead includes a cavity unit that includes: a plurality of nozzles arranged in at least one row in a first surface of the cavity unit; at least one common ink chamber extending along...
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...
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...
7604330 Liquid ejection head, image forming apparatus and method of manufacturing liquid ejection head  
A liquid ejection head having a plurality of ejection ports which eject liquid, a plurality of pressure chambers which are connected respectively to the ejection ports, a plurality of piezoelectric...
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...
7600851 Printing head and ink jet printing apparatus  
In spite of relative deformation between a printing element substrate and a supporting member due to a change in temperature of a printing head, the printing quality is stabilized, and the printing...
7597429 Thermal printer and control method therefor  
In a thermal printer provided with a thermal head printing on a paper sheet and a paper feed motor feeding the paper sheet, the operation of the thermal head and the paper feed motor is controlled...
7594308 Method for producing a piezoelectric actuator and a liquid transporting apparatus  
A method for manufacturing a piezoelectric actuator includes the steps of measuring a thickness of a vibration plate and determining a thickness of a piezoelectric layer based on an amount of...
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...
7594715 Inkjet recording system  
An inkjet recording system that discharges pigment ink from a liquid droplet discharge head in which a part of wall surface of pressure chamber is formed of a piezoelectric element, wherein average...
7594328 Method of forming a slotted substrate with partially patterned layers  
A method of forming a slotted substrate that includes patterning a thin film over a substrate so that at least a portion of the substrate within a slot region is not covered by the thin film. In...
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...
7585049 Method of making an inkjet printhead  
A method of making an inkjet printhead for surface mounting comprises providing a substrate 10 having a plurality of ink ejection elements and a plurality of electrical contacts 18 formed on a...
7585066 Ink supply unit with a baffle arrangement  
An ink supply unit is provided for a printer. The unit includes an elongate printhead configured to eject ink. An ink distribution manifold defines a printhead aperture in which the printhead is...
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...
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...
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...
7578579 Inkjet recording head  
An inkjet recording head, including a channel unit which has, along a reference plane, a plurality of pressure chambers communicating with a plurality of nozzles, respectively, each of which ejects...
7578581 Ink jet printer  
An ink jet printer is provided with an ink jet head. The ink jet head includes an ink passage body and an actuator. The ink passage body includes a nozzle, an ink chamber communicating with the...
7571525 Method of manufacturing liquid-jet head and liquid-jet head  
Included are the steps of: forming piezoelectric elements on a surface of a passage-forming substrate with a vibration plate in between, and forming a penetrating portion by removing an area in the...
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...
7568783 Inkjet head  
An inkjet head has a passage unit where individual ink passages are formed, and an actuator unit bonded onto the upper surface of the flow passage unit. On the upper surface of the actuator unit,...
7566119 Inkjet printhead and method of producing the same  
An inkjet printhead including a cavity unit formed by laminating plates including a first plate through which through-holes are formed, and a second plate laminated on one surface of the first...
7559631 Liquid-jet head, method for manufacturing the same, and liquid-jet apparatus  
A liquid-jet head and a manufacturing method thereof are provided. The liquid-jet head includes a channel substrate which has pressure generation chambers formed therein and communicating nozzle...
7559633 Liquid-droplet jetting apparatus and liquid transporting apparatus  
A piezoelectric actuator includes a channel unit having a manifold and pressure chambers; a vibration plate covering the pressure chambers and the manifold; a piezoelectric layer formed on an upper...
7552992 Liquid jet head unit and liquid jet device  
Provided are a liquid jet head unit and a liquid jet device which are capable of improving precision in aligning nozzle orifices and accordingly printing quality. The liquid jet head includes: a...
7543919 Liquid transport apparatus and method for producing the same  
A liquid transport apparatus includes an actuator and a flow passage unit having discharge ports. The flow passage unit is formed by stacking plates. Flow passage-forming holes, which are formed...
7540084 Method for manufacturing ink-jet heads  
A method for manufacturing a plurality of ink-jet heads comprising: forming an insulating ceramic layer at least on one of outermost metal plates of a plurality of metal plates, the outermost metal...
7540596 Electric device where actuator unit and printed wiring board are connected using bonding parts  
There is disclosed an electric device comprising: an actuator unit which includes a plurality of electrodes formed thereon; a printed wiring board which comprises: an electrically insulating...
7537320 Piezoelectric actuator and liquid transporting apparatus  
A piezoelectric actuator 3 of a liquid transporting apparatus includes grooves 40 which are formed on a surface of a vibration plate 30 on a side of pressure chambers 14 , and each of the...
7536785 Method for manufacturing a droplet ejection head  
A method for manufacturing a droplet ejection head includes a step of forming recessed sections for forming nozzles by etching half way through a first face of a silicon substrate, a step of...
7530677 Inkjet head  
An inkjet head includes a flow path unit, an actuator unit, a flat flexile cable, a cover member and plural filters. The actuator unit is joined to an inflow-port face of the flow path unit. The...
7530676 Piezoelectric element, inkjet head, angular velocity sensor, methods for manufacturing them and inkjet recording device  
A piezoelectric element includes two electrode films and a layered piezoelectric film which is sandwiched between the electrode films and made of two thin piezoelectric films each having preferred...
7524037 Inkjet recording apparatus  
An inkjet recording apparatus includes an inkjet head and a frame supporting the inkjet head. The inkjet head includes a channel unit is fixed to the reservoir unit and a reservoir unit. The...
7523538 Method for mounting a gradient coil in a cylindrical magnet of a magnetic resonance system  
Method for mounting a gradient coil in a cylindrical magnet of a magnetic resonance system and associated magnetic resonance system, wherein the exterior of the gradient coil is foam-bonded flat...
7524041 Pressure producing apparatus  
Cylindrical electrodes are embedded in a piezoelectric sheet of an actuator unit. An axial length of each of the electrodes is somewhat shorter than half a thickness of the piezoelectric sheet, and...
7520580 Device and method for ejecting ink droplet  
An ink droplet ejection device including: (a) actuators each operable to apply an ejection pressure to an ink stored in a corresponding pressure chamber, for causing an ink ejection through a...
7520597 Inkjet printhead and method of assembling the same  
There is disclosed an inkjet printhead comprising a cavity unit and an actuator. The cavity unit includes a plurality of nozzles each for ejecting a droplet of ink, a plurality of pressure chambers...
7520596 Method for producing piezoelectric actuator, method for producing ink-jet head, and piezoelectric actuator  
In a method for manufacturing a piezoelectric actuator, the piezoelectric layer is formed by using material particles M having a composition which differs from an optimum composition by a diffusion...
7520595 Droplet ejecting head  
A droplet ejecting head includes a first substrate, a nozzle plate, a second substrate, an annular symmetrically channel plate and an actuator device. The nozzle plate with a nozzle is disposed on...
7517065 Injet printhead having externally-connected terminations structured to be resistant to damage  
An inkjet printhead is disclosed which includes nozzles for ejecting ink droplets; a cavity unit incorporating pressure chambers; and an actuator in the form of a laminate of sheets. The actuator...