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| Number | Title | Issue Date |
| 8070267 | Ink jet recording head and production process thereof An ink jet recording element substrate includes a substrate; an ejection outlet array for ejecting ink; a heat generating element array comprising a plurality of heat generating elements for generating ejection energy for ejecting the ink from the ejection outlet ar... | 12/06/2011 |
| 7819507 | Printhead with meniscus anchor for controlled priming A printhead for an inkjet printer that has a printhead integrated circuit (IC) with an array of nozzles for ejecting ink, and a support structure for mounting the printhead IC within the printer. The support structure has ink conduits for supplying the array of nozz... | 10/26/2010 |
| 7735974 | Mobile telephone with an internal inkjet printhead arrangement and an optical sensing arrangement Provided is a mobile telephone which includes an internal printhead, an ink cartridge and an optical sensing arrangement. The internal inkjet printhead arrangement is fed with print media via internal and external pathways defined by a body of the telephone. The ink... | 06/15/2010 |
| 7484835 | Filter plate usable with an ink jet head, an ink jet head with the filter plate, and a method of fabricating the filter plate A filter plate usable with an ink jet head, an ink jet head with the filter plate, and a method of fabricating the filter plate are provided. The filter plate includes a filter substrate having a filter hole region. Filter holes having angled line shapes extend thro... | 02/03/2009 |
| 7434916 | Liquid ejection head Disclosed is a liquid ejection head capable of performing a stable ejection operation at high speed even when thermal expansion of a valve supporting member occurs during liquid ejection. This is because the liquid ejection head allows the thermal expansion to influ... | 10/14/2008 |
| 7431432 | Printhead that combines ink from adjacent actuators An inkjet printhead comprising: an array of nozzles; a plurality of actuators for ejecting ink through the nozzles such that a bulb of ink attached to a droplet stem forms prior to drop separation when the stem bre... | 10/07/2008 |
| 7427124 | Ejection head, image forming apparatus, and ejection control method The ejection head comprises: an ejection aperture which ejects onto a receiving medium a liquid in which charged dispersion particles are dispersed in a solvent; a pressure chamber which contains the liquid; an ejection channel which connects the ejection aperture w... | 09/23/2008 |
| 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 elements, a barrier layer disposed between the head chip and the nozzle sh... | 08/12/2008 |
| 7377624 | Ink jet head having channel damper and method of fabricating the same An ink jet head having a channel damper, and a method of fabricating the same. The ink jet head includes a heat-generating resistor disposed on a substrate to generate pressure for ink ejection, a chamber layer disposed on the substrate to enclose the heat-generatin... | 05/27/2008 |
| 7377629 | Liquid discharge head with filter structure The present invention can suppress penetration of dust and foreign particles into a nozzle of an ink jet recording head, and can manufacture and make functional a structure therefor in an economic manner and with high reliability. An ink discharge energy generating ... | 05/27/2008 |
| 7357475 | Filtered air supply for nozzle guard A printhead for an inkjet printer, with an array of nozzles for selectively ejecting drops of ink towards a print medium, and a protective structure between said nozzles and said print medium. The structure is configured so as not to obstruct ink drops ejected from ... | 04/15/2008 |
| 7354522 | Substrate etching method for forming connected features A method of etching a substrate and an article(s) formed using the method are provided. The method includes providing a substrate; coating a region of the substrate with a temporary material having properties that enable the temporary material to remain substantiall... | 04/08/2008 |
| 7338150 | Substrate for liquid discharge head, liquid discharge head using substrate for liquid discharge head and method of manufacturing the same A number of steps is reduced by manufacturing an electrode pad connecting a liquid discharge head to an external wiring by the same step of a common wiring for supplying an electric power to a discharge energy generating portion. A number of manufacturing steps of a... | 03/04/2008 |
| 7325906 | Ink jet head and ink jet recording apparatus The ink jet recording apparatus serves to record an image corresponding to image data on a recording medium using an ink jet head which ejects ink in the form of an ink droplet. The ink jet head includes an ejection orifice substrate in which an ejection orifice is ... | 02/05/2008 |
| 7287837 | Thermoelastic inkjet actuator with a heat conductive layer A thermoelastic actuator to be arranged in an inkjet printer comprises an active heater layer and at least one passive thermal, conductor layer. A thermal insulator is located between the heater layer and said at least one thermal conductor layer. The at least one t... | 10/30/2007 |
| 7285226 | Method for fabricating a fluid ejection device A method of fabricating a fluid ejection device comprises providing a barrier layer which defines fluidic spaces. The fluidic spaces defined by the barrier layer are filled with filler. A throughway is etched through the substrate. The filler is removed from the flu... | 10/23/2007 |
| 7261392 | Printhead chip that incorporates pivotal micro-mechanical ink ejecting mechanisms A printhead chip includes a substrate that incorporates drive circuitry and defines ink inlet channels. Nozzle chamber structures are positioned on the substrate. Each nozzle chamber structure defines a nozzle chamber in fluid communication with a respective ink inl... | 08/28/2007 |
| 7255427 | Liquid ejection device and image forming apparatus The liquid ejection device comprises: an ejection head including a plurality of nozzles which eject droplets of liquid onto an ejection receiving medium; a liquid flow speed determining device which determines a flow speed of the liquid in each of the nozzles, the l... | 08/14/2007 |
| 7249825 | Fluid ejection device with data storage structure A fluid ejection device having storage and methods of forming and using such fluid ejection devices are described. In one embodiment, a substrate comprises multiple heater resistors supported thereby, and configured for ejecting fluid onto a medium. One storage stru... | 07/31/2007 |
| 7240995 | Method of authenticating a consumable A method of authenticating a consumable used in an imaging device includes the steps of providing the consumable with a memory; monitoring usage of the consumable; determining whether the consumable has reached a usage threshold; and, if the consumable has reached t... | 07/10/2007 |
| 7240992 | Ink jet printhead incorporating a plurality of nozzle arrangement having backflow prevention mechanisms An ink jet printhead includes a substrate that defines a plurality of ink inlets. A drive circuitry layer is positioned on the substrate. A plurality of nozzle arrangements is arranged on the substrate. Each nozzle arrangement includes a nozzle chamber structure pos... | 07/10/2007 |
| 7219975 | Ink-jet head An ink-jet head to jet ink from a front side thereof includes an actuator in which a plurality of parallel channels for generating pressure change to be applied to ink are formed and having a nozzle surface on which a plurality of nozzle holes are formed to jet ink ... | 05/22/2007 |
| 7201102 | Method and printer device for transferring printing fluid onto a carrier material as well as appertaining printing drum The invention relates to a method according to which print data determine the image elements of a printing format to be printed on a substrate. According to the inventive method, the surface tension of a printing liquid (30, 34) is influenced depending on the... | 04/10/2007 |
| 7188922 | Recording apparatus equipped with heatsink A recording apparatus having: (a) a head unit including an actuator which generates energy required for recording predetermined patterns of image on a recording medium; (b) a circuit board including a driver element which drives the actuator of the head unit; and (c... | 03/13/2007 |
| 7186351 | Injection valve A method for producing a filter element includes forming longitudinal ducts extending between upstream and downstream surfaces of the filter element, and installing a heating element for heating regions of walls of the ducts along longitudinal extent of the walls. T... | 03/06/2007 |
| 7178904 | Ultra-low energy micro-fluid ejection device A micro-fluid ejection device for ultra-small droplet ejection and method of making a micro-fluid ejection device. The micro-fluid ejection device includes a semiconductor substrate containing a plurality of thermal ejection actuators disposed thereon. Each of the t... | 02/20/2007 |
| 7168778 | Printhead cartridge A printhead cartridge for a multi-printhead ink jet printer includes an array of ink jet nozzles and a heat sink for controlling the temperature of the nozzles. The heat sink is made up of a copper block and thinner copper wing regions extending from the block paral... | 01/30/2007 |
| 7163844 | Monolithic common carrier A common carrier for forming multiple printheads thereon and method of forming thereof is described. The common carrier includes a carrier substrate for adhering a plurality of unprocessed, integrateable semiconductor chips. Once adhered, the carrier substrate is li... | 01/16/2007 |
| 7147307 | Printhead IC with actuator movement parallel to ink inlet flow An inkjet printhead IC is fabricated using a wafer substrate that defines a plurality of ink inlet channels. A plurality of nozzle structures fabricated on the substrate to define nozzle chambers are in fluid communication with the ink inlet channels and an ink ejec... | 12/12/2006 |
| 7147297 | Ink jet nozzle arrangement that incorporates a movement sensor An ink jet nozzle arrangement for ejecting ink includes a substrate that defines an ink inlet. Integrated circuitry is positioned on the substrate. A nozzle chamber structure is positioned on the substrate and defines a nozzle chamber in fluid communication with the... | 12/12/2006 |
| 7137685 | Print head A print head for a line printer in which errors between print head chips and another component are reduced and ink leakage is prevented, and in which heat generated in print head chips is efficiently dissipated without making the structure of the print head complex ... | 11/21/2006 |
| 7134741 | Ink jet printhead with ink ejection direction control An ink jet printhead is provided comprising a substrate and a plurality of micro-electromechanical nozzle arrangements positioned on the substrate. Each nozzle comprises a nozzle chamber positioned on the substrate and an actuator arm. The nozzle chamber has a fixed... | 11/14/2006 |
| 7108358 | Pressure buffer and ink-jet recording apparatus A pressure buffer of an ink-jet recording apparatus is placed in the vicinity of an ink-jet recording head in an ink supply path connecting an ink container to the ink-jet recording head. A body of the pressure buffer has a concave portion at least on one surface, a... | 09/19/2006 |
| 7103972 | Method of fabricating a fluid ejection device A fluid ejection device comprising a composite substrate, wherein the composite substrate has two substrates with a patterned etch mask therebetween, and a fluid channel. ... | 09/12/2006 |
| 7097280 | Printheads having improved heater chip construction An improved heater chip for an ink jet print head, the chip including an active heater array and an inactive heater array located adjacent to and extending away from the end of the active heater array. The inactive heater array provides a region adjacent the end of ... | 08/29/2006 |
| 7083267 | Slotted substrates and methods and systems for forming same Methods and systems for forming slotted substrates are described. In one exemplary embodiment, a substrate has a thickness defined by a first surface and a generally opposing second surface. The substrate has a fluid-feed slot extending between the first surface and... | 08/01/2006 |
| 7083260 | Printer head using a radio frequency micro-electromechanical system (RF MEMS) sprayer A printer head using a radio frequency micro-electromechanical system (RF MEMS) sprayer includes an inner pressure chamber having a liquid inlet and a liquid outlet; a cavity resonator surrounding the inner pressure chamber, wherein the cavity resonator inputs a pre... | 08/01/2006 |
| 7066576 | Micro-electromechanical drive mechanism arranged to effect rectilinear movement of working member A micro-electromechanical drive mechanism is provided, comprising at least two elongate drive members and associated coupling structures coupled to a working member. The drive members each incorporate an electrical circuit in electrical contact with drive circuitry ... | 06/27/2006 |
| 7066580 | Thermoelastic inkjet actuator with heat conductive pathways A thermal inkjet actuator for use in an inkjet printer assembly includes heat conduction means arranged to realize a predetermined negative pressure profile to facilitate droplet formation. In a preferred embodiment the heat conduction means comprises a thin layer o... | 06/27/2006 |
| 7059708 | Inkjet head and inkjet printer using the same The inkjet head ejects ink droplets through ejection nozzles with pressurizing elements and includes ink channels and ink circulation paths. Each ink channel is provided in a gap between a substrate and a nozzle plate and closed at one end and permitting ink to be s... | 06/13/2006 |
