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7517063 |
Piezoelectric element
A piezoelectric element including an upper electrode, a piezoelectric and/or electrostrictive material and a lower electrode, characterized in that the piezoelectric and/or electrostrictive...
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7517062 |
Liquid discharge device
The present invention is directed at a liquid discharge device having reduced crosstalk, which slows the rate of change of liquid discharge speed, and is suitable as a printing head. The liquid...
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7517061 |
Multi-nozzle ink jet head and manufacturing method thereof
A multi-nozzle ink jet head using piezoelectric elements and a manufacturing method thereof are disclosed. A head ( 1 ) has a nozzle member ( 10 ) in which a plurality of nozzles ( 12 ) are formed,...
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7513609 |
Ink-jet printer head including measurement electrode for measuring capacitance with common electrode
A measurement electrode for capacitance measurement is disposed so as to be opposed to a common electrode with a second and a third piezoelectric plates in between and to be opposed to all ink...
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7513586 |
Waveform signal driven liquid ejection apparatus and image forming apparatus
The liquid ejection apparatus comprises: a nozzle which ejects liquid; a pressure chamber which is connected to the nozzle and filled with the liquid to be ejected from the nozzle; an actuator...
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7513608 |
Dielectric film structure, piezoelectric actuator using dielectric element film structure and ink jet head
The present invention provides a dielectric film structure having a substrate and a dielectric film provided on the substrate and in which the dielectric film has (001) face orientation with...
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7510271 |
Liquid ejection head
A liquid ejection head including: a head main body including: a cavity unit including a passage forming base plate forming a liquid passage from a common liquid chamber to a nozzle opening via a...
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7506967 |
Ink jet head having an electrostatic actuator, ink cartridge, and inkjet printer
An inkjet head having an electrostatic actuator and a manufacturing method of the same are disclosed. The inkjet head having an electrostatic actuator, comprising a stator, on which is formed a...
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7503642 |
Inkjet head and method for manufacturing the same
An inkjet head includes a channel unit and actuator units. Inside the channel unit, individual ink channels are formed so that ink supplied from ink inlets is ejected from nozzles via pressure...
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7503644 |
Liquid ejection head, liquid ejection apparatus and image forming apparatus
The liquid ejection head comprises: a plurality of ejection ports through which liquid is ejected; a plurality of pressure chambers which are connected respectively to the ejection ports; a common...
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7503643 |
Liquid droplet discharge head and image forming apparatus
A liquid droplet discharge head having a first pressure chamber filled with a fluid; an actuator is displaced on at least one portion of a surface defining a first pressure chamber; a nozzle for...
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7503640 |
Ink-jet head and ink-jet printer
An ink-jet head includes a nozzle row which jets a black ink, and nozzle rows which jet color inks, and a nozzle row which jets a special color ink. These nozzle rows are arranged in a scanning...
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7500734 |
Inkjet recording head and inkjet recording device
In a recording head which discharges ink, which is supplied from an ink flow path to pressure chambers, from nozzles by operation of actuators, one actuator is provided for each pressure chamber....
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7500735 |
Liquid droplet ejecting apparatus and liquid droplet ejecting method
An apparatus for ejecting liquid droplets, including: ejecting head main body having a plurality of nozzle rows; a pressure generation chamber; a pressurization section for giving pressure to the...
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7497554 |
Ink jet print head
An inkjet print head wherein the surface (front surface) for ejecting ink droplets coming from an ink channel partitioned by a drive wall composed of a piezoelectric device is arranged opposite to...
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7497557 |
Liquid ejecting apparatus, method for manufacturing liquid ejecting apparatus, and ink-jet printer
An ink-jet head includes a common liquid chamber, a plurality of pressure chambers, a plurality of nozzles which eject ink, a plurality of individual ink channels communicating with the common...
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7494594 |
Method of manufacturing an electrostatic actuator
An electrostatic actuator for increasing a swing (deflection angle) of a movable structure includes a laminate substrate in which a thin film silicon layer is formed on a silicon substrate through...
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7494209 |
Printhead module
A printhead module includes a printhead body, a nozzle plate and one or more piezoelectric actuators. The printhead body includes one or more pumping chambers, where each pumping chamber includes a...
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7495373 |
Liquid transporting apparatus and method of producing liquid transporting apparatus
A piezoelectric actuator for a liquid transporting apparatus includes a drive plate having a base portion which is arranged, on an upper surface of a vibration plate covering a pressure chamber;...
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7494208 |
Inkjet printhead having a cantilever actuator
An inkjet printhead having a cantilever actuator, the inkjet printhead including a plurality of ink chambers containing ink to be ejected; a manifold containing ink to be supplied to the plurality...
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7490405 |
Method for manufacturing a liquid droplet discharge head.
The liquid droplet discharge head comprises: a piezoelectric actuator shaped in a cylinder having a hollow part; a pressure chamber shaped in a cylinder formed in the hollow part of the...
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7488057 |
Piezoelectric ink jet printer head and its manufacturing process
Disclosed is a piezoelectric ink jet printer head in which a chamber and an ink storage are integrally formed. A process for manufacturing the ink jet printer head is also disclosed. The ink jet...
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7484833 |
Droplet ejector and ink-jet printhead using the same
In a droplet ejector and an ink-jet printhead using the same, the droplet ejector includes a fluid path through which a fluid moves, a nozzle being formed on one end of the fluid path, a volumetric...
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7482733 |
Piezoactuator
The invention relates to a piezoactuator for miniaturized pumps, atomizers, valves or the like. The piezoactuator comprises a piezoceramic disk ( 1 ) and a pressure disk ( 2 ) coupled to the...
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7478558 |
Piezoelectric element, ink jet head, angular velocity sensor, method for manufacturing the same, and ink jet recording apparatus
In a piezoelectric element, an adhesive layer 12 is provided on a substrate 11 , a first electrode layer 14 made of a noble metal containing titanium or titanium oxide is provided on the...
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7479729 |
Piezoelectric actuator, ink-jet head provided with the same, ink-jet printer, and method for manufacturing piezoelectric actuator
A piezoelectric actuator 3 includes a metallic vibration plate 30 , an insulating layer 31 , a plurality of individual electrodes 32 , a piezoelectric layer 33 and a common electrode 34 ....
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7478898 |
Recording head for inkjet recording device
An ink jet recording head unit includes a plurality of nozzle elements, a plurality of piezoelectric elements and a driving unit. The plurality of piezoelectric elements is provided in one-to-one...
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7479728 |
Piezoelectric element, method of manufacturing the same, liquid-jet head, method of manufacturing the same, and liquid-jet apparatus
The present invention is to provide a piezoelectric element, a method of manufacturing the same, a liquid-jet head, a method of manufacturing the same, and a liquid-jet apparatus, all of which...
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7478899 |
Piezoelectric ink jet module with seal
A piezoelectric ink jet head that includes a polymer film, for example a flex print, located between the piezoelectric element and the reservoirs in the jet body. The film provides an efficient...
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7475969 |
Ink-jet printing head
An ink-jet printing head including a piezoelectric actuator and a cavity plate, the piezoelectric actuator includes a plurality of piezoelectric sheets and a plurality of electrodes each of which...
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7475970 |
Piezoelectric actuator having piezoelectric layer and vibration plate with groove and liquid transporting apparatus
A piezoelectric actuator is described as including a vibration plate in which grooves associated with respective pressure chambers are formed on a surface of the vibration plate, and a...
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7475967 |
Piezoelectric element, ink-jet head with same, and their manufacturing methods
A piezoelectric element 1 includes a lower electrode 2 , a piezoelectric film 3 and an upper electrode 4 stacked in this order. The surface of the upper electrode 4 of the piezoelectric...
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7475960 |
Liquid ejection apparatus and ejection abnormality determination method
The liquid ejection apparatus includes: ejection head which includes: a nozzle through which a droplet of liquid is ejected onto an ejection receiving medium; a pressure chamber which accommodates...
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7475968 |
Ink-jet head
An ink-jet head in which an ink emitting surface (front surface) for emitting ink from ink channels partitioned by piezo-electric driving walls is opposite to an ink supplying surface (rear...
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7472480 |
Method for producing liquid ejecting recording head
Disclosed is a liquid ejecting recording head with improved operational reliability. A first coating resin layer of a liquid ejecting recording head, having a liquid flow duct and a liquid ejecting...
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7471028 |
Liquid ejection head and image forming apparatus
The liquid ejection head has: a surface acoustic wave propagation body in which a surface acoustic wave propagates; a nozzle orifice formed in the surface acoustic wave propagation body; a surface...
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7469993 |
Inkjet recording head
An inkjet recording head includes: nozzles that jet ink droplets; pressure chambers that communicate with the nozzles and contain ink; a diaphragm that configures part of the pressure chambers; an...
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7467857 |
Micromachined fluid ejectors using piezoelectric actuation
A micromachined fluid ejector includes an ejector body having a fluid cavity for holding fluid to be ejected and a piezoelectric actuator for ejecting the fluid. A nozzle plate is placed in...
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7465039 |
Liquid ejection head and image forming apparatus
The liquid ejection head comprises: a plurality of ejection ports which eject liquid; a plurality of pressure chambers which are communicated with the ejection ports; a plurality of piezoelectric...
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7465038 |
Liquid transporting apparatus and method of manufacturing liquid transporting apparatus
In a liquid transporting apparatus, when a thickness of a vibration plate is Tv (mm), a coefficient of elasticity of the vibration plate is Ev (kg/mm 2 ), a thickness Tp of a piezoelectric layer is...
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7461909 |
Mounting structure of liquid sensor and liquid container
A mounting structure of a liquid sensor comprising: a vibration cavity forming base portion which has a first surface and a second surface opposed to each other and in which a cavity for receiving...
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7461926 |
Liquid delivering apparatus and method of producing the same
A liquid delivering apparatus, including a flow-passage unit including an opening and a pressure chamber which accommodates liquid and which communicates with the opening; an oscillating plate...
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7461913 |
Liquid droplet ejection apparatus
The liquid droplet ejection apparatus comprises: a liquid droplet ejection head which includes a plurality of pressure chambers communicating with a plurality of nozzles through which droplets of...
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7452049 |
Inkjet recording apparatus
An ink non-ejection detecting circuit device for an inkjet recording apparatus is disclosed which comprises a bridge circuit including a piezoelectric head having a piezoelectric element, a first...
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7452059 |
Liquid ejection apparatus
The liquid ejection apparatus comprises: a nozzle through which liquid is ejected; a pressure chamber which accommodates the liquid to be ejected from the nozzle; a supply side flow path which...
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7448727 |
Ink jet recording head and ink jet recording apparatus
The invention provides an ink jet recording head in which an element substrate provided in a head unit and constituted of plural drive elements is driven to discharge ink droplets from plural...
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7448732 |
Liquid ejection head and manufacturing method thereof
The liquid ejection head includes: a plurality of ejection ports which eject liquid; a plurality of pressure chambers which respectively communicate with the ejection ports; a plurality of...
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7445307 |
Droplet jetting apparatus and display device manufacturing method
A droplet jetting apparatus includes an actuator becoming deformed by a voltage application; an elastic body adhered to the actuator and becoming deformed in response to a deformation of the...
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7441874 |
Insulated heat unit for ink jet printer, an ink jet printer including an insulated head unit and signal transmission board used for the ink jet printer
A head unit has a head main body for discharging ink, a driver IC and an FPC, which is interposed between the driver IC and the head main body. The FPC has through holes each of which is embedded...
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7439659 |
Piezoelectric actuator, droplet ejection apparatus, and manufacturing method thereof
The piezoelectric actuator comprises: a plate-shaped piezoelectric body which has a portion polarized in a thickness direction of the piezoelectric body and a portion polarized in a direction...
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