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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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