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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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7370945 |
Inkjet head
An ink jet head in which a head chip on which a nozzle for jetting ink and an ink supply port that is communicated with the nozzle are formed and a manifold on which an ink channel connecting port...
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7370944 |
Liquid ejector having internal filters
A liquid drop ejector is provided. The ejector includes a liquid chamber and a liquid supply. Portions of the liquid chamber define a nozzle bore. A liquid supply passageway is positioned between...
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7370942 |
Ink supply arrangement incorporating baffles in an ink distribution molding
An ink supply arrangement is provided for supplying ink to an inkjet printhead. The ink supply arrangement includes an elongate ink distribution molding defining a printhead channel in which the...
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7370940 |
Liquid ejection head having improved durability against liquid, liquid cartridge having such a liquid ejection head, liquid ejection apparatus having such a liquid cartridge, image forming apparatus having such a liquid ejection apparatus, and manufacturing method of liquid ejecting head
A liquid ejection head includes therein a movable member, wherein the movable member is formed of lamination of at least three layers, at least one layer thereof having a free edge part covered...
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7367650 |
Printhead chip having low aspect ratio 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...
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7364270 |
Fluid ejection device having an elongate micro-electromechanical actuator
A micro-electromechanical fluid ejection device includes a substrate that defines a fluid inlet channel and incorporates a wafer and CMOS layers positioned on the wafer. A nozzle chamber sidewall...
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7360867 |
Adhesive agent and inkjet head and manufacturing method thereof
Disclosed is an adhesive agent which is curable and has flexibility at low temperature, and further has resistant to solvent type ink. The adhesive agent includes a base and an activator, wherein...
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7357488 |
Nozzle assembly incorporating a shuttered actuation mechanism
A nozzle assembly is provided for an inkjet printer. The assembly includes a wafer arrangement defining an ink supply channel. A border is constructed on the wafer arrangement and bounds the ink...
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7354138 |
Liquid droplet discharge head, manufacturing method thereof, and image forming apparatus
The liquid droplet discharge head comprises: a channel which is formed by joining together a plurality of thin plates which are laminated with an adhesive; and an adhesive escape groove which is...
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7353604 |
Method for manufacturing an inkjet head
A method for manufacturing an inkjet head includes producing a flow path unit, producing an actuator unit, bonding the actuator unit with the flow path unit to produce a bonded structure; measuring...
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7350903 |
Inkjet printhead with common chamber and actuator material
An inkjet printhead with an array of drop ejectors, each having a chamber for holding ink, an actuator and a nozzle. The actuation of the actuator ejects ink through the nozzle, and at least one...
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7350900 |
Top feed droplet generator
An ink jet droplet generator body for an ink jet droplet generator comprising an orifice plate with a plurality of nozzles forming a jet array entails a throughbore with an entrance and exit port,...
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7347536 |
Ink printhead nozzle arrangement with volumetric reduction actuators
An ink jet printhead nozzle arrangement includes a wafer substrate that defines side walls and an inlet opening of an ink chamber. Drive circuitry is arranged on the wafer substrate A. roof wall...
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7347535 |
Liquid ejection device with a commonly composed actuator and liquid ejector
A liquid-ejection integrated circuit device includes a substrate that defines a plurality of ink inlet channels. Integrated circuitry is positioned on the substrate. A plurality of nozzle chamber...
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7338580 |
Monolithic printhead with multiple ink feeder channels and relative manufacturing process
A thermal ink jet printhead ( 40 ) for the emission of drops of ink on a print medium ( 46 ) comprises a tank ( 103 ) containing ink ( 142 ), a lamina ( 67 ), a groove ( 45 ) and a plurality of...
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7334879 |
Ink-jet head
An ink-jet head comprises an ink chamber, a pressure chamber, an actuator, a constriction, and a nozzle. The ink chamber contains ink. To the pressure chamber, ink is supplied from the ink chamber....
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7334877 |
Nozzle for ejecting ink
The present invention relates to a nozzle for ejecting ink. The nozzle includes an ink chamber in which the ink can be provided and a plurality of elements located adjacent the ink chamber. An...
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7334335 |
Method of manufacturing a monolithic ink-jet printhead
A monolithic ink-jet printhead, and a method of manufacturing the same, includes a substrate having an ink chamber, an ink channel, and a manifold, a nozzle plate formed on the substrate, a nozzle,...
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7331659 |
Baffled ink supply for reducing ink accelerations
A printhead comprises a plurality of nozzle chambers that house an ink ejection actuator for ejecting ink from said nozzle chamber. An ink jet supply unit connects directly to the printhead which...
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7331656 |
Ink jet recording head and method of manufacturing the same
An ink jet recording head, which can effectively prevent any bubble and solid matter such as dust existing in supplied ink to reach the vicinity of a nozzle, includes a plurality of energy...
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7331655 |
Fluid coupler and a device arranged with the same
Plural film layers are disposed on a substrate. Each film layer has regions devoid of film material, thus forming film layer cavity openings. Each film layer has its cavities arranged to provide...
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7328981 |
Electrostatic actuator, liquid discharge head, liquid cartridge, imaging apparatus, micro pump, and optical device
An electrostatic actuator is disclosed that includes a deformable oscillating plate that is deformed by electrostatic force, an electrode that is arranged opposite the oscillating plate via a gap...
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