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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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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...
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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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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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7481519 |
Actuator device and liquid-jet head
An actuator device includes a plurality of piezoelectric elements formed on a surface of a substrate. Each piezoelectric element is configured of a piezoelectric layer, an upper electrode, and a...
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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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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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7438394 |
Inkjet head and method for making the same
An inkjet head includes: an electrostrictive actuator having an ink channel to eject ink; and a manifold member for supplying the ink to the ink channel, wherein the actuator and the manifold...
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7416279 |
Connection structure for inkjet recording head
A structure for connecting an inkjet recording head, including an actuator on which connecting terminals are disposed to apply therethrough drive voltage to respective channels formed in the head...
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7367658 |
Ink jet recording apparatus
An ink jet recording apparatus comprises an ink jet recording head in which a volume of a pressure chamber is caused to vary by deflecting actuators according to drive signals applied between an...
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7364274 |
Driving method of droplet ejection head
A driving method of a droplet ejection head having plural channels separated by sidewalls formed with piezoelectric material, the channels being divided into three groups; and an electric voltage...
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7357491 |
Liquid ejection head and method of manufacturing liquid ejection head
The liquid ejection head comprises: a plurality of pressure chambers which contain liquid and are arranged in a two-dimensional matrix configuration; a plurality of nozzles which connect to the...
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7344216 |
Print method and printer suitable for the application of the method
A printing method for forming an image on a substrate by means of a printer containing a plurality of ink-filled chambers, which chambers each include a nozzle and which are operatively connected...
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7316470 |
Inkjet recording head
An inkjet recording head for ejecting ink in ink channels by deformation of the piezoelectric element, comprising: a partition wall, formed by making grooves in an actuator substrate made of a...
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7305764 |
Method of manufacturing an ink-jet recording head
An ink-jet recording head has a plate-shaped member including a first layer with a partition wall formed by a first etching process and defining a pressure chamber, an ink inlet passage and a...
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7293854 |
Ink jet head
An ink jet head includes a base with front and rear ends having a plurality of channel grooves separated by channel walls each including a piezoelectric extending to the rear end, a cover that is...
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7290868 |
Inkjet head with formed external circuit connecting electrodes
There are provided driving electrodes ( 25 ) on walls ( 24 ) separating both sides of individual ink chambers ( 22 ) formed in the form of an array of multiple grooves. External circuit connecting...
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7287841 |
Head drive control device and inkjet recording device
In an electrostatic head, each of electrostatic actuators includes a diaphragm doubling as or including a first electrode forming a wall surface of a discharge room communicating with a nozzle...
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7221075 |
Piezoelectric/electrostrictive device
A piezoelectric/electrostrictive device includes: a ceramic substrate having a thick portion and a thin diaphragm portion; and a piezoelectric/electrostrictive element having a layered structure...
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7178906 |
Droplet deposition apparatus
An injet printhead is formed by a multistage process: grooves are formed on the base of a block of piezoelectronic material, and a conductor is applied thereto. Conducting tracks are deposited on a...
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7134608 |
Inkjet printhead with reciprocating actuator
An inkjet printhead with an array of ink ejectors 1 for printing onto a media substrate, each ink ejector 1 having a chamber 2 for holding ink 3 , a nozzle 11 and an actuator 5 for...
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7134746 |
Piezoelectric transducer for use in ink ejector and method of manufacturing the piezoelectric transducer
Inner individual electrodes are formed at intervals on a piezoelectric ceramic layer so as to correspond in a one-to-one relationship with ink channels, and an inner common electrode are formed on...
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7121650 |
Piezoelectric ink-jet printhead
A piezoelectric ink-jet printhead and a method for manufacturing the same, wherein the piezoelectric ink-jet printhead is formed by stacking three monocrystalline silicon substrates on one another...
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7111927 |
Piezoelectric vibrator unit
A piezoelectric vibrator unit comprises: at least one piezoelectric vibrator including: common internal electrode layers and segment internal electrode layers arranged alternately; piezoelectric...
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7108359 |
Ink jet printer head and method for fabricating the same
A plurality of ink jet printer heads can be obtained from a single substrate through the following steps: a piezoelectric body forming step of cutting a piezoelectric member into a desired width to...
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7066582 |
Method for producing organic insulating coating and ink-jet printhead produced according to the method
An organic insulating coating formed on a substrate is composed of two layers of a first parylene coating and a second parylene coating. Heat treatment is performed to at least the first parylene...
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7055939 |
Drop generator
A drop generator that includes a pressure chamber and an outlet channel that includes a circular outlet channel section and a non-circular outlet channel section.
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7052115 |
Ink jet recording apparatus
An ink jet recording apparatus has an ink jet head comprised of a substrate having at least a pair of partition walls with deformable side walls spaced apart at a preselected distance to form a...
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7025444 |
Multislit type actuator, inkjet head and method for manufacturing multislit type actuator
A multislit type actuator including a plurality of piezoelectric actuators aligned and allocated like teeth of a comb formed on a substrate, wherein a condition of crystal grains in side surfaces...
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7007859 |
Method of operating a liquid ejection device
A method of operating a liquid ejection device including a fluid chamber having a fluid outlet port in a wall of the chamber; a fluid inlet port in a wall of the chamber and a paddle located in the...
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6993812 |
Method of manufacturing the piezoelectric transducer
Inner individual electrodes are formed at intervals on a piezoelectric ceramic layer so as to correspond in a one-to-one relationship with ink channels, and an inner common electrode are formed on...
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6991323 |
Multi-channel array droplet deposition apparatus
A multi-channel array droplet deposition apparatus has a base sheet comprising a layer of piezo-electric material poled normal thereto, an array of parallel, open-topped droplet liquid channels...
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6986564 |
Ink jet head, method for inspecting actuator, method for manufacturing ink jet head, and ink jet recording apparatus
A first line head 1 and a second line head 2 are arranged in a scanning direction X. In each of the line heads 1 and 2 , actuator blocks 40 are arranged at a constant interval in a head...
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6874870 |
Inkjet recording method
An inkjet recording method having a step of ejecting an ink containing at least photo-polymerizing compound and a colorant from a nozzle of a recording head, which has a piezoelectric member, to...
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6869171 |
Ink jet recording head
This ink jet recording head manufacturing method comprises (A) a process for forming a peeling layer 11 wherein peeling is induced by light irradiation, on a base plate 10 exhibiting...
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6862783 |
Manufacturing method for an ink jet recording head
An ink jet recording head manufacturing method is provided comprising: forming a peeling layer wherein peeling is induced by light irradiation on a base plate exhibiting light-transmissivity;...
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6794746 |
METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE, SEMICONDUCTOR DEVICE, NARROW-PITCH CONNECTOR, ELECTROSTATIC ACTUATOR, PIEZOELECTRIC ACTUATOR, INK JET HEAD, INK JET PRINTER, MICROMACHINE, LIQUID CRYSTAL PANEL, AND ELECTRONIC DEVICE
A manufacturing method of semiconductor devices, micromachines such as semiconductor device, narrow pitch connectors, electrostatic actuators or piezoelectric actuators, and ink jet heads, ink jet...
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6783211 |
Ink-jet recording head
An ink-jet recording head has nozzles capable of independent ejection and being arranged in high density, in which strength is high, fabricating yield is high, a cost is reduced, ejection...
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6739026 |
Method of manufacturing a head chip
A head chip is manufactured by disposing partition walls made of piezoelectric ceramic between a pair of opposing substrates made of a dielectric material so that the partition walls are spaced...
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6722035 |
Method of manufacturing an ink ejecting device wherein electrodes formed within non-ejecting channels are divided and electrodes formed within ejecting channels are continuous
A method of manufacturing a substrate of an ink ejecting device in which an electrode formed at the bottom surface of an air chamber is removed with a diamond disk, without erroneously removing an...
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6705704 |
Droplet deposition method and apparatus
A droplet deposition apparatus includes an elongate chamber having a nozzle through which in operation droplets of liquid are ejected from the chamber for deposition, means for varying the pressure...
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6702431 |
Ink jet recording head and image recording apparatus incorporating the same
Of the compliance component of a recording head, the volume of a pressure generating chamber is set so that the percentage of the compliance of ink in the pressure generating chamber becomes larger...
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6619788 |
Droplet deposition apparatus
An accepter-doped “hard” PZT is used in a piezoelectric print head instead of the conventional “soft” donor-doped material. The print head preferably is of a chevron side-shooter...
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6582057 |
Ink jet printer head and method for manufacturing the same
An ink-jet printer head includes a main body which is provided with a plurality of pressure chambers to which ink is supplied and a nozzle which is provided for each pressure chamber to cause the...
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6575544 |
Optimizing driving pulses period to prevent the occurrence of satellite droplets
A drive device used for an ink droplet ejecting apparatus prevents an occurrence of a satellite ink droplet and improves printing quality. When ejection of an ink droplet is performed with two...
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6557985 |
Ink jet recording head
In an end portion of a common ink reservoir, there is provided a narrowed area having a cross-sectional area decreased as compared with any other portion, inertance of each of ink supply channels...
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6547373 |
Ink jet type recording head
A nozzle plate ( 8 ) having a nozzle opening ( 10 ) formed thereon, a passage forming substrate ( 70 ) having a pressure chamber ( 12 ), an ink supply port ( 13 ) and a common ink chamber ( 11 )...
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6547375 |
Ink-jet head and manufacturing method thereof
An ink-jet head includes an electrode formed to continue from an inner surface in an ink chamber to a back end surface of a diaphragm through an inclined surface of the diaphragm. The inclined...
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6513916 |
Ink jet head and manufacturing method thereof
An ink jet head which has been improved to enable reliable connection of an electrode to an external portion without increasing manufacturing cost is provided. The ink jet head includes a base...
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6505918 |
Piezoelectric material and method of polarizing the same
A method of polarizing a portion of a monolithic piezoelectric actuator element for use in droplet deposition apparatus where the element has first and second portions, includes the steps of...
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