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7607756 |
Printhead assembly for a wallpaper printer
The invention provides a printhead assembly for a printer which prints onto a moving web that follows a path. A full width printhead located across the path of the printer. The printhead is a color...
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7604327 |
Liquid ejection apparatus and method for controlling liquid ejection apparatus
An ink jet printer as an liquid ejection apparatus includes two ink channels which are independent from each other and communicate an ink tank and a pressure chamber communicating with a nozzle, a...
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7604323 |
Printhead nozzle arrangement with a roof structure having a nozzle rim supported by a series of struts
The invention relates to a nozzle arrangement for an inkjet printhead. The nozzle arrangement has a substrate with a layer of drive circuitry, the substrate defining an ink chamber with an ink...
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7600858 |
Micro-fluid ejection head structure
A method of making a micro-fluid ejection head structure for a micro-fluid ejection device. The method includes applying a removable mandrel material to a semiconductor substrate wafer containing...
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7600857 |
Liquid discharge head
A liquid discharge head includes a discharge element substrate including an energy generating element that generates energy for discharging liquid, a discharge port provided so as to correspond to...
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7600856 |
Liquid ejector having improved chamber walls
A liquid drop ejector includes a substrate and a plurality of liquid chambers. Portions of the substrate define a liquid supply. Each liquid chamber is positioned over the substrate and includes a...
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7597423 |
Printhead chip with high nozzle areal density
There is disclosed an ink jet printhead which comprises a plurality of nozzles and one or more heater elements corresponding to each nozzle. Each heater element is configured to heat a bubble...
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7594713 |
Inkjet printer with unit cells having suspended heater elements
Provided is an inkjet printer having a printhead with a plurality of unit cells. Each unit cell includes a wafer substrate having a layer of micro-electromechanical drive circuitry, with a...
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7591541 |
Nozzle arrangement having an actuator slot protection barrier to reduce ink wicking
A nozzle arrangement for an inkjet printer is provided. The arrangement includes a wafer substrate defining a supply channel, and chamber side and roof walls positioned on the substrate, said walls...
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7585053 |
Thermal inkjet printhead
A thermal inkjet printhead includes a substrate, an insulation layer formed on the substrate, a heater formed on the insulation layer, a conductor formed on the heater to supply a current to the...
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7585052 |
Topography layer
An inkjet print-head is formed by selectively disposing a first layer on a substrate. The first layer and the substrate form a topography. A second layer is selectively disposed over the substrate...
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7581820 |
Inkjet printhead and image forming apparatus including the same
Thermal inkjet printheads and an inkjet image forming apparatus including the thermal inkjet printheads. Each of the thermal inkjet printheads includes a heater that heats ink by directly...
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7581819 |
Ink jet nozzle arrangement with volumetric ink ejection means
A nozzle arrangement for ejecting ink includes a substrate defining an ink supply passage. A first endless wall extends from the substrate and bounds the ink supply passage. An elongate actuator is...
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7581816 |
Nozzle arrangement with a pivotal wall coupled to a thermal expansion actuator
A nozzle arrangement for an inkjet printhead includes a substrate assembly defining an ink inlet channel. A nozzle chamber structure defines a nozzle chamber in fluid communication with the ink...
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7581809 |
Liquid ejection head, liquid ejection apparatus, and manufacturing method of liquid ejection head
A liquid ejection head includes an energy-generating element arranged on a semiconductor substrate, a barrier layer deposited on the semiconductor substrate for forming a liquid chamber in the...
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7578583 |
Fluid injection devices with sensors, fluid injection system and method of analyzing fluid in fluid injection devices
A fluid injection device integrating a piezoelectric sensor, a fluid injection apparatus and a method for analyzing fluid content in a fluid injection device. The fluid injection device comprises a...
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7571979 |
Thick film layers and methods relating thereto
Thick film layers for a micro-fluid ejection head, micro-fluid ejection heads, and methods for making micro-fluid ejection head and thick film layers. One such thick film layer is derived from a...
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7570494 |
Structure of flexible printed circuit board
A recording apparatus that has a recording head and a flexible printed circuit board. The recording head, which performs recording on a recording medium, has a plurality of recording elements. One...
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7568790 |
Printhead integrated circuit with an ink ejecting surface
Provided is a printhead integrated circuit defining an external surface having a number of ink ejection ports operatively directed at a printing medium. The surface includes a plurality of petal...
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7568785 |
Nozzle plate and method of manufacturing the same
A nozzle plate ( 8 ) of the present invention is arranged such that, between (i) a first nozzle layer ( 1 ) having a first nozzle hole (orifice) ( 11 a ) that discharges a liquid substance and (ii)...
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7568776 |
Recording apparatus
A serial signal for generating a plurality of recording waveform signals is transmitted serially from a signal transmission circuit to a head river. A serial-parallel converting circuit parallely...
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7562967 |
Printhead with a two-dimensional array of reciprocating ink nozzles
A printhead is provided for an inkjet printer. The printhead includes a two-dimensional array of ink nozzle arrangements. Each nozzle arrangement includes a wafer portion defining both a nozzle...
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7559630 |
Substantially planar fluid ejection actuators and methods related thereto
Fluid ejection actuators, micro-fluid ejection heads, and methods relating thereto. One such fluid ejection actuator is provided by a conductive layer adjacent a substrate. The conductive layer has...
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7556358 |
Micro-electromechanical integrated circuit device with laminated actuators
A micro-electromechanical integrated circuit includes a substrate. Drive circuitry is positioned on the substrate. The device includes a plurality of elongate actuators. Each actuator includes a...
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7553884 |
Ink set for use in ink-jet recording, ink-jet recording process, recording unit and ink-jet recording apparatus
Disclosed herein is an ink set for use in ink-jet recording, which comprises at least 2 ink compositions the solid content concentrations of which are different by more than 2% by mass. The said at...
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7553002 |
Ink-jet printhead
An ink-jet printhead including a substrate, in which an integrated circuit for a driving logic circuit to selectively drive the nozzle, and a logic circuit to input/output printing data to/from a...
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7549733 |
Diaphragm plate with partially-etched port
A printhead assembly that includes a partially-etched port structured to be opened by application of pressure to the port area, one or more leaflets being depressed into an internal chamber...
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7549732 |
Printhead having nozzle arrangements with sealing structures
The present invention relates a printhead for an inkjet printer. The printhead has a plurality of nozzle arrangements, with each arrangement having a substrate defining an ink inlet channel leading...
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7543915 |
Fluid ejection device
A method for manufacturing a fluid ejection device includes providing a sacrificial structure substantially overlying a semiconductor substrate. The structure has a shape configured to define an...
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7540592 |
Micro-electromechanical nozzle assembly with an arcuate actuator
A micro-electromechanical nozzle assembly includes a substrate that defines an ink chamber and an ink ejection port in fluid communication with the ink chamber on an ejection side of the substrate....
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7537314 |
Inkjet printhead having nozzle arrangements with ink spreading prevention rims
Provided is an inkjet printhead having a plurality of nozzle arrangements. Each nozzle arrangement includes walls defining an ink chamber. The chamber includes an ink supply channel and an ink...
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7533971 |
Head of inkjet printer and method of manufacturing the same
A head of an inkjet printer is formed by bonding of a heater substrate and a nozzle plate. In order to bond the heater substrate where a heater thin film and a protecting film are vapor-deposited,...
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7533970 |
Inkjet printhead integrated circuit with suspended heater element spaced from chamber walls
An inkjet printhead integrated circuit that has a plurality of nozzles and a bubble forming chamber corresponding to each nozzle. The bubble forming chamber of each nozzle has at least one side...
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7533968 |
Nozzle arrangement with sidewall incorporating heater element
A nozzle arrangement for ejecting ink includes a substrate assembly defining an ink inlet passage and including heater element drive circuitry. A nozzle chamber structure is arranged on the...
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7533967 |
Nozzle arrangement for an inkjet printer with multiple actuator devices
A nozzle arrangement for an inkjet printer includes a wafer that defines an ink supply channel and a nozzle chamber in fluid communication with the ink supply channel. A drive circuitry layer is...
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7533963 |
High nozzle density printhead
An ink jet printhead has a nozzle structure formed on a substrate. The nozzle structure includes a nozzle plate defining a nozzle aperture through which ink is ejected, ink ejection being...
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7527347 |
Ink jet print head and ink jet printing apparatus having a plurality of slits formed in a heater substrate mounting surface
The present invention is intended to alleviate stresses that occur in a bonding surface between the heater substrate and the base plate due to effects of heat history in the ink jet print head...
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7524034 |
Heat dissipation within thermal ink jet printhead
There is disclosed an ink jet printhead which comprises a plurality of nozzles 3 and one or more heater elements 10 corresponding to each nozzle 3 . Each heater element 10 is configured to...
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7524033 |
Nozzle arrangent with movable ink ejection structure
A nozzle arrangement is provided for an ink jet printhead. The nozzle arrangement includes a wafer substrate arrangement. The wafer substrate arrangement defines an ink inlet channel and a first...
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7524032 |
Inkjet nozzle assembly with resistive heating actuator
An inkjet nozzle assembly includes a substrate. A drive circuitry layer is positioned on the substrate. The substrate and the drive circuitry layer define an ink inlet channel. A support structure...
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7520593 |
Nozzle arrangement for an inkjet printhead chip that incorporates a nozzle chamber reduction mechanism
A nozzle arrangement for an inkjet printer includes a wafer assembly defining a nozzle chamber into which ink can be fed. A nozzle chamber roof assembly is fast with the wafer assembly and covers...
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7517057 |
Nozzle arrangement for an inkjet printhead that incorporates a movement transfer mechanism
A nozzle arrangement for an inkjet printhead includes a substrate that incorporates drive circuitry and defines an ink inlet channel. At least one wall extends from the substrate. A roof is fast...
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7517056 |
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. The fluid restriction has a...
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7513606 |
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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7513605 |
Inkjet printhead with heat generating resistor
An inkjet printhead includes a substrate having an ink chamber which is filled with ink to be ejected, a nozzle plate formed on the substrate in a position corresponding to the ink chamber, and a...
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7506969 |
Ink jet nozzle assembly with linearly constrained actuator
An ink jet nozzle assembly is provided for an inkjet printer. The nozzle assembly includes a wafer substrate arrangement defining an ink supply passage. A drive circuitry layer is formed on the...
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7506968 |
Inkjet printhead integrated circuit having nozzle assemblies with a bubble collapse point close to ink ejection aperture
An inkjet printhead integrated circuit is provided. The printhead integrated circuit comprises a plurality of nozzle assemblies, with each nozzle assembly comprising: (i) an ink chamber for...
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7506962 |
Liquid discharge method, liquid discharge head and liquid discharge apparatus
A liquid discharge head is arranged in a manner that in the cross-section of a discharge port in a liquid discharge direction, the discharge port includes at least one projection that is convex...
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7497555 |
Inkjet nozzle assembly with pre-shaped actuator
An inkjet nozzle assembly includes a multilayered substrate having control and drive circuitry and defining an ink passage and a tapered ink chamber in fluid communication with the ink passage and...
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7494207 |
Fluid injection device preventing activation of a bipolar junction transistor (BJT) therein
Fluid injection devices comprise M sets of fluid injection units. Each fluid injection unit comprises N injectors separately connecting to a driver. A controller separately transmits a signal to...
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