Matches 201 - 250 out of 435 < 1 2 3 4 5 6 7 8 9 >
Match Document Document Title
6629756 Ink jet printheads and methods therefor  
The invention provides a method for making piezoelectric printheads for ink jet The method includes applying an insulating layer to a first surface of a silicon wafer having a thickness ranging...
6626525 Actuator for an ink jet recording head  
A pressurizing unit for pressurizing ink filling a pressure chamber in response to an electric signal is constructed with a beam and a support portion. The support portion is preferably formed...
6604431 Apparatus and method for fixing and checking connections of piezoelectric sensor, actuator, and disk unit  
To provide a piezoelectric sensor that never sacrifices work properties such as when a lead wire is to be soldered to one of a pair of electrodes of a piezoelectric sensor, and the other electrode...
6601949 Actuator unit for ink jet recording head  
An ink jet type recording head of a multi-layer structure including a pressure generating unit and a flow path unit. The pressure generating unit is composed of a ceramic vibrating member with...
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...
6578954 Ink jet printing head and ink jet printing device enabling stable high-frequency ink drop ejection and high-speed printing  
An ink jet printing head includes a common ink channel and a plurality of ejectors (each of which includes a nozzle and a pressure generation chamber which is filled with ink supplied from the...
6578953 Inkjet recording head, piezoelectric vibration element unit used for the recording head, and method of manufacturing the piezoelectric vibration element unit  
A dummy piezoelectric element ( 7 ) is disposed at least at one of the ends of an array of piezoelectric vibration elements. A region not including internal electrodes is provided in the vicinity...
6575564 Ink jet recording method using high viscous substance and apparatus for carrying out the same  
A recording apparatus has a nozzle ( 10 a ) containing a viscous substance ( 11 ) of a viscosity not lower than 300 cP. A recording electrode ( 12 ) is disposed on the nozzle ( 10 a ) at a position...
6568797 Ink jet head  
An ink jet head, comprises partition walls made of an piezoelectric material and for dividing ink chambers; and driving electrodes provided on the partition walls, wherein lead conductors each of...
6561633 Ink jet recording head having spacer with etched pressurizing chambers and ink supply ports  
A pressurizing chamber 1 is formed as a recess by half etching of a silicon single-crystal substrate 2 . A nozzle communicating hole 6 through which the pressurizing chamber 1 is connected...
6557986 Ink jet head and method for the manufacture thereof  
In order to provide a miniaturized ink jet head having a piezoelectric actuator 21 by which ink in a pressure chamber 3 is emitted and to improve its productivity and reliability, a vibration...
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...
6554408 Fluid ejection device and process for the production thereof  
A fluid ejection device, such as for an ink jet printer or the like, having increased increasing nozzle density. A through-hole ( 15 ) is provided in a glass substrate ( 18 ) to which a second...
6550897 Inkjet recording head and recording apparatus using the same  
An inkjet recording head allowing a high driving efficiency and preventing a variation in the driving efficiency is disclosed. An piezoelectric actuator is provided for each ink nozzle and has a...
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 )...
6547376 Ink jet head and method for the manufacture thereof  
Formed on a surface of an oscillation plate on the side of a head main body portion is an intermediate layer having a window portion through which a displacement portion of the oscillation plate is...
6540153 Methods and apparatus for dispensing liquids as an atomized spray  
The invention provides exemplary methods and apparatus for dispensing liquids as an atomized spray. In one particularly preferably method, a liquid is dispensed as an atomized spray from a...
6540339 Flextensional transducer assembly including array of flextensional transducers  
A flextensional transducer assembly adapted to eject droplets of a fluid includes a substrate having a plurality of fluid cavities defined therein, a plurality of flexible membrane portions each...
6532028 Ink jet printer having a ceramic piezoelectric transducer  
In the embodiments described in the specification, a piezoelectric transducer has electrodes to the piezoelectric layer with an adhesive bonding agent under pressure applied hydraulically so as to...
6530652 Micro actuator and ink jet printer head manufactured using the same  
Disclosed is a micro actuator and an ink jet printer head manufactured using the same. The micro actuator comprises a substrate having a space part which is integrally defined in the substrate and...
6523942 Inkjet head having plural ink supply channels between ink chambers and each pressure chamber  
It is an object of the present invention to provide an inkjet head and its manufacturing method, which may realize a high resolution while maintaining at a desired strength those walls which define...
6517196 Inkjet printhead  
An inkjet printhead containing at least one ink channel communicating with a nozzle and defined between two opposed side walls; a membrane interconnecting the side walls; and actuating elements...
6513917 Liquid ejection device and method of producing the same  
A silicon single crystal substrate is formed with a plurality of channels that are partitioned by a plurality of partition walls and that are arranged at a pitch of 40 μm or less, for example. A...
6502921 Ink jet head having a plurality of units and its manufacturing method  
An ink jet head is constructed by a plurality of combined units, wherein each of said units comprises a plurality of abutting portions and at least one recessed portion shaped to engage at least...
6500354 Inkjet printer head actuator and method for manufacturing the same  
An inkjet printer head actuator including a vibrating plate having a flat plate shape, a chamber plate coupled to the vibrating plate, the chamber plate having chamber walls defining a plurality of...
6497477 Ink-jet head mounted with a driver IC, method for manufacturing thereof and ink-jet printer having the same  
Formed on a first face of a head main body are nozzles. Formed on an opposite second face of the head main body are actuators. A driver IC is, at its both ends, fixedly supported on the second face...
6494566 Head member having ultrafine grooves and a method of manufacture thereof  
A printer head member having ultrafine grooves of high density and high precision. In one or more embodiments of the invention, a flat plate made of ceramics, glass, silicon or the like is bonded...
6491384 Ink jet printer head  
An ink jet printer head having a base, an ink reservoir, an ink pressure generating chamber, a piezoelectric element separating the reservoir and chamber and having a hole connecting the reservoir...
6488367 Electroformed metal diaphragm  
An improved diaphragm ( 34, 56 ) for drop on demand ink jet print heads and method for manufacturing the same. The present diaphragm ( 34, 56 ) includes a support element ( 42, 62 ) defining at...
6485133 Actuator device and ink jet recording apparatus  
A drive signal for driving a ink jet recording head as an actuator device indudes an expansion potential for deforming the piezoelectric actuator so as to expand the pressure generating chamber, a...
6481074 Method of producing an ink jet print head  
A method for producing an apparatus for ejecting liquid droplets includes the steps of providing a porous medium having a plurality of pores therein, forming a plurality of holes through the porous...
6471342 Ink-jet head  
An ink jet head having a plate-like actuator 14 to be deformed by field induction distortion serving as a drive source, causing ink in at least one pressure chamber 12 to be discharged, each...
6471341 Ink jet head allowing highly dense arrangement of nozzles  
An ink jet head includes an ink supply path, a pressure chamber, an orifice and an oscillator. By bending a portion of the wall surface of the pressure chamber by oscillation of oscillator, ink is...
6460981 Ink jet recording head having spacer with etched pressurizing chambers and ink supply ports  
A pressurizing chamber 1 is formed as a recess by half etching of a silicon single-crystal substrate 2 . A nozzle communicating hole 6 through which the pressurizing chamber 1 is connected...
6454395 Electrostatic inkjet head and manufacturing method thereof  
An electrostatic inkjet head is constructed to operate such that a large margin is provided to a drive voltage and a deviation in the drive characteristic is significantly reduced. A vibration...
6450625 Electrostatic actuator, manufacturing method therefor, and liquid discharging device using the same  
An electrostatic ink-jet head ( 1 ) in which the present invention is applied comprises a pressure chamber ( 6 ) communicating with an ink nozzle ( 21 ), and an atmospheric pressure chamber ( 12 )...
6450626 Ink jet head, method for producing the same, and ink jet type recording apparatus  
In order to maximally improve the deformation characteristic of a piezoelectric actuator of an ink jet head so as to improve the printed image quality, the present invention newly provides...
6450623 Inkjet head which arranges protective layer at surface to which nozzle plate is connected and method for manufacturing the inkjet head  
The present invention has an object to provide an inkjet head and a method for manufacturing the inkjet head which not only protects a member at and/or near a surface onto which the nozzle plate is...
6447105 Ink-jet system with an ink channel having a non-uniform depth  
An ink-jet system has an ink channel between an ink reservoir and a nozzle, and an electromechanical transducer which comprises an expansible member arranged adjacent to the ink channel for...
6443566 Ink-jet head and method of manufacturing the same  
The method of manufacturing an ink-jet head of this invention includes the steps of forming plural individual electrodes and plural piezoelectric devices stacked in this order on a supporting...
6439702 Inkjet print head  
An inkjet printing head including an ink supply layer formed with a plurality of connecting bores aligned so as to connect between ink cavities in a cavity layer on its rear side and corresponding...
6440174 Piezo-electric/electrostrictive film type chip  
A piezo-electric/electrostrictive film type chip ( 50 ) includes: a ceramic substrate ( 70 ) having a spacer plate ( 74 ) having a windows-disposed pattern ( 100 ) having a plurality of window...
6431691 Piezoelectric actuator  
Of the first sheet formed of piezoelectric materials and the second sheet formed of prescribed materials, the upper electrode layer formed of conduction materials is formed on one surface of the...
6412926 Ink-jet printer head and ink-jet printer  
An ink-jet recording head is capable of always performing high-speed recording with high image quality in a stable manner independently of a change in the environmental temperature while an...
6398350 Piezoelectric vibrator unit, liquid jet head, manufacturing method of piezoelectric vibrator unit, and manufacturing method of liquid jet head  
A piezoelectric vibrator unit ( 4 ) provided with a plurality of piezoelectric vibrators each having internal electrodes ( 32, 33 ) and piezoelectric material layers ( 31 ) laminated alternately, a...
6382781 Micro device, ink-jet printing head, method of manufacturing them and ink-jet recording device  
In a micro device including a through hole for piercing a substrate and a fragile part provided around or across a part corresponding to a through hole of a multilayer film and relatively thinner...
6378995 Manufacturing method of nozzle plate using silicon process and ink jet printer head applying the nozzle plate  
The present invention relates to methods of manufacturing a nozzle plate using a silicon process comprising the steps of providing a silicon substrate; forming a silicon oxide film on one side of...
6361154 Ink-jet head with piezoelectric actuator  
An ink jet including a head body including plural pressure chamber concaves each having a supply port for supplying ink and a discharge port for discharging ink, and a piezoelectric actuator...
6361155 Ink jet recording head and method for manufacturing the same  
Any air trapped in a connection portion between adjacent ones of flow passage plates of an ink jet recording head in manufacturing the head. The head comprises: a reservoir plate with a reservoir...
6362844 Structure of a piezoelectric ink-jet printer head  
A structure of an ink-jet printer head of a piezoelectric type comprising a deformable polymer membrane, an actuator and an ink tank is provided. The deformable polymer membrane covers the top...
Matches 201 - 250 out of 435 < 1 2 3 4 5 6 7 8 9 >