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Match Document Document Title
7472986 Liquid droplet discharge head and liquid droplet discharge device  
The liquid droplet discharge head comprises: a plurality of liquid chambers formed with nozzles which discharge droplets of liquid, the plurality of liquid chambers being arranged...
7472984 Inkjet chamber with plurality of nozzles  
An inkjet drop ejection apparatus that has a chamber with a plurality of nozzles, and an actuator with associated drive circuitry for selectively ejecting drops of ink through any one of the...
7470004 Liquid ejection head and liquid ejection device  
A flow path structure includes a heating element, a barrier layer, a liquid chamber formed by a part of the barrier layer and a pair of walls confronting each other to hold the heating element...
7470003 Ink jet printhead with active and passive nozzle chamber structures arrayed on a substrate  
A printhead includes a substrate that defines a plurality of ink inlet channels. A drive circuitry layer is positioned on the substrate. A plurality of nozzle arrangements is positioned on the...
7469989 Printhead chip having longitudinal ink supply channels interrupted by transverse bridges  
A printhead integrated circuit is provided. The printhead integrated circuit comprises: (a) a plurality of nozzles formed on a frontside of a substrate, the nozzles being arranged in rows extending...
7468139 Method of depositing heater material over a photoresist scaffold  
A method of forming a nozzle for an inkjet printhead is provided. The nozzle comprises a suspended heater element, which is formed by depositing heater material over a sacrificial photoresist...
7467860 Ink priming system for inkjet printhead having a bypass flow path  
An ink priming system for an inkjet printhead is provided. The system has a priming inlet of the printhead for receiving a supply of priming ink, an ink flow passage interconnecting the printhead...
7465029 Radially actuated micro-electromechanical nozzle arrangement  
This invention relates to a micro-electromechanical nozzle arrangement for an inkjet printhead. The arrangement includes a substrate having a layer of drive circuitry and defining an ink chamber...
7465028 Nozzle assembly having a thermal actuator with active and passive beams  
The invention relates to a nozzle assembly for a printhead. The assembly includes a substrate which defines an ink inlet aperture, the substrate having a layer of micro-electromechanical drive...
7465025 Nozzle arrangement with nozzle having dynamic and static ink ejection structures  
A nozzle arrangement for an inkjet printhead includes a substrate that defines an ink inlet channel. A nozzle includes a static structure that extends from the substrate and surrounds the ink inlet...
7465024 Inkjet nozzle assembly incorporating a fluidic seal  
An inkjet nozzle assembly for a printhead integrated circuit is configured to be replicated on a wafer substrate incorporating drive circuitry so that the printhead integrated circuit comprises an...
7465019 Inkjet printhead incorporating staggered rows of nozzle arrangements  
A printhead is provided for an inkjet printer. The printhead includes a substrate assembly defining rows of ink inlet channels. Rows of nozzle arrangements are disposed on the substrate assembly...
7461924 Printhead having inkjet actuators with contractible chambers  
An ink printhead is provided having a plurality of nozzle assemblies. Each nozzle assembly has a nozzle and an actuator for ejecting ink through the nozzle. Each actuator has a resiliently...
7455391 Printing assembly with micro-electromechanical nozzle arrangements and a convergent ink distribution assembly  
A printing assembly has a chassis. A printhead assembly is mounted on the chassis and has printhead integrated circuits each with a plurality of micro-electromechanical nozzle arrangements for...
7452474 Method of manufacturing substrate for ink jet recording head and method of manufacturing recording head using substrate manufactured by this method  
In order to form a more homogenous heat generating resistive layer, the present invention provides a method of manufacturing a substrate for an ink jet recording head having a support which has an...
7448728 Nozzle assembly having a sprung electromagnetically operated plunger  
The invention provides for a nozzle assembly for a printer. The assembly includes a substrate and drive circuitry on the substrate. A plurality of layers is stacked on the substrate to define an...
7441865 Printhead chip having longitudinal ink supply channels  
A pagewidth inkjet printhead is provided. The printhead comprises: (a) a plurality of nozzles formed on a frontside of a substrate, each nozzle having a respective nozzle inlet; and (b) a plurality...
7438392 Microfluidic substrates having improved fluidic channels  
A method for improving fluidic flow for a microfluidic device having a through hole or slot therein. The method includes the steps of forming one or more openings through at least part of a...
7438391 Micro-electromechanical nozzle arrangement with non-wicking roof structure for an inkjet printhead  
The invention relates to a micro-electromechanical nozzle arrangement for an inkjet printhead. The nozzle arrangement includes a substrate defining an inverted pyramidal ink chamber with an ink...
7431434 Fluid ejection device  
A fluid ejection device includes a fluid chamber, a fluid restriction communicated with the fluid chamber, and a fluid channel communicated with the fluid restriction, wherein a width of the fluid...
7431429 Printhead integrated circuit with planar actuators  
A printhead integrated circuit for an inkjet printhead that includes a wafer substrate that defines a plurality of ink inlet channels. Drive circuitry is positioned on the wafer substrate. A...
7431427 Ink supply arrangement with improved ink flows  
A portable inkjet printer comprises an elongate pagewidth printhead having a plurality of ink supply passages, an elongate pagewidth ink distribution manifold connected to the printhead and an...
7427125 Inkjet printhead  
An inkjet printhead includes a substrate having an ink feed hole formed therethrough and a plurality of ink drop generators formed on the substrate. The drop generators define a stagger pattern,...
7425053 Printhead assembly with a laminated ink distribution assembly  
A pagewidth inkjet printhead assembly includes an elongate ink distribution arrangement that defines a number of inlets, a number of corresponding ink distribution channels and a number of outlets...
7425052 Printhead assembly having improved adhesive bond strength  
A printhead assembly is provided. The printhead assembly comprises (a) a plurality of printhead integrated circuits comprising; and (b) an ink manifold having a mounting surface, the backside of...
7423073 Radiation curable compositions having improved flexibility  
A radiation curable resin composition having improved flexibility. The radiation curable composition having from about 5 to about 50 weight percent of a difunctional polymeric compound; from about...
7416280 Inkjet printhead with hollow drop ejection chamber formed partly of actuator material  
An inkjet drop ejection apparatus with a chamber, an actuator, and a nozzle, where drops of ink are ejected through the nozzle, and where the chamber comprises a hollow structure formed on a...
7413671 Method of fabricating a printhead integrated circuit with a nozzle chamber in a wafer substrate  
A method of fabricating a printhead integrated circuit includes the step of forming a first layer of a polymeric material on a substrate that incorporates drive circuitry. A heater element is...
7410247 Liquid ejection head and liquid ejection apparatus  
A liquid ejection head including at least one head chip including a plurality of heating elements on a surface of a substrate, a nozzle sheet having nozzles disposed on the respective heating...
7410243 Inkjet nozzle with resiliently biased ejection actuator  
An inkjet drop ejection apparatus with an actuator for applying an ejection force to ink within the chamber to eject drops from the nozzle; wherein, the actuator is resiliently biased such that...
7407269 Ink jet nozzle assembly including displaceable ink pusher  
An ink jet printhead chip includes a substrate. Drive circuitry is positioned in the substrate. A plurality of nozzle arrangements is positioned on the substrate. Each nozzle arrangement includes...
7407264 Liquid discharging apparatus and liquid discharging method  
In a liquid discharging method for discharging droplets from a plurality of droplet discharging portions of a liquid discharging head, an actual pattern is created to indicate the discharging...
7404625 Ink jet nozzle arrangement having paddle forming a portion of a wall  
An ink jet nozzle arrangement for a printhead is provided. The nozzle arrangement includes nozzle chamber for storing ink to be ejected, at least one moveable actuator paddle forming at least a...
7401900 Inkjet nozzle with long ink supply channel  
An inkjet nozzle with an elongate ink inlet channel at least 150 microns long. The channel defines a straight flow path of a length sufficient to provide enough viscous damping to prevent...
7401884 Inkjet printhead with integral nozzle plate  
An inkjet drop ejection apparatus comprising: a chamber with a side wall and a nozzle wall, the nozzle wall defining an ink ejection nozzle; and, an actuator for ejecting drops of ink...
7399063 Micro-electromechanical fluid ejection device with through-wafer inlets and nozzle chambers  
A micro-electromechanical fluid ejection device includes a substrate. Drive circuitry is arranged on an outlet side of the substrate. A plurality of nozzle chambers and corresponding fluid inlets...
7399003 Duct connecting structure  
A plurality of cylindrical port defining portions project from a passage defining member defining a plurality of passages. A supply line defining body defining a plurality of supply lines is formed...
7393083 Inkjet printer with low nozzle to chamber cross-section ratio  
An inkjet drop ejection apparatus having a chamber with a nozzle; and, an actuator for ejecting drops of ink through the nozzle; wherein, the area defined by the nozzle is less than half a...
7387371 Liquid discharge head  
An ink jet recording head can, when a smaller liquid droplet is obtained, suppress or reduce stagnation of liquid in a second discharge port portion, prevent an offset meniscus in a discharge port,...
7387369 Method for providing low volume drop displacement in an inkjet printhead  
A bubble forming liquid is placed into thermal contact with a heater element of a nozzle of an ink jet printhead. The heater element is heated to a temperature above the boiling point of the bubble...
7387368 Pagewidth printhead having sealed inkjet actuators  
An inkjet printhead is provided having an elongate ink supply channel defined within a substrate and a plurality of inkjet nozzles arranged on the substrate to extend across a pagewidth. Each...
7387365 Nozzle for an inkjet printer incorporating a plunger assembly  
A nozzle is provided for an inkjet printer. The nozzle includes a cover defining a nozzle port. A substrate assembly is fast with the cover, and defines a nozzle chamber in fluid communication with...
7387364 Ink jet nozzle arrangement with static and dynamic structures  
A nozzle arrangement for a printhead integrated circuit is configured to be replicated on a wafer substrate incorporating drive circuitry so that the printhead integrated circuit comprises an array...
7384131 Pagewidth printhead having small print zone  
A printer comprising a stationary printhead extending across a paper path is provided. The printhead has a plurality of color channels, each color channel comprising at least one nozzle row...
7384128 Printhead IC with nozzle array for linking with adjacent printhead IC's  
A printhead IC for an inkjet printer that mounts the printhead IC together with at least one other like printhead IC to provide a pagewidth printhead for printing onto a media substrate fed past...
7381342 Method for manufacturing an inkjet nozzle that incorporates heater actuator arms  
A method is provided for manufacturing an inkjet nozzle. The method includes the step of depositing a plastics material layer on a substrate incorporating heater actuator circuitry. The plastics...
7380927 Ink jet recording apparatus  
A liquid jet recording apparatus includes a liquid jet head including discharge ports, element substrates, a base substrate, common liquid chambers, and a head liquid chamber. The apparatus also...
7380913 Ink jet printer nozzle assembly with micro-electromechanical paddles  
An inkjet printer nozzle assembly includes a substrate. Drive circuitry is positioned on the substrate. A nozzle chamber structure extends from the substrate and defines a nozzle chamber into which...
7374695 Method of manufacturing an inkjet nozzle assembly for volumetric ink ejection  
A method is provided for manufacturing a printer nozzle. The method includes the step of depositing a metal layer upon a semi-conductor wafer. The metal layer defines a pair of protruding portions...
7372145 Bonded assembly having improved adhesive bond strength  
A bonded assembly is provided. The bonded assembly comprises: (a) a first substrate having a plurality of etched trenches defined in a first bonding surface; and (b) a second substrate having a...
Matches 1 - 50 out of 848 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >