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| Number | Title | Issue Date |
| 8087751 | Thermal ink jet printhead An ink jet printhead includes a plurality of nozzles each having a nozzle aperture; a plurality of bubble forming chambers, each corresponding respectively to one of the plurality of nozzles; an inlet for communicating printing fluid between the nozzle aperture and ... | 01/03/2012 |
| 7980664 | Inkjet printhead incorporating multiple heater elements for weighted ink drop ejection A pagewidth printhead includes a printhead controller; a wafer substrate defining a plurality of inlets; and a plurality of micro-electromechanical nozzle arrangements on the wafer substrate and under control of the controller. Each nozzle arrangement includes side ... | 07/19/2011 |
| 7976126 | Liquid jet head, line type liquid jet head, printer, line type printer and film forming apparatus A liquid jet head includes: a plurality of unit heads, wherein each of the unit heads has a nozzle forming region and a plurality of nozzle apertures arranged in a first direction in the nozzle forming region, the plurality of unit heads being laminated in a manner ... | 07/12/2011 |
| 7946683 | Printing system particle removal device and method A printing system includes a liquid source including a liquid with the liquid including particles. An acoustic transducer is associated with the liquid source. A controller is operably associated with the acoustic transducer and is configured to actuate the acoustic... | 05/24/2011 |
| 7618120 | Inkjet printhead and process for producing the same An inkjet printhead and process for producing the same, having at least an auxiliary actuator being added in the inkjet printhead structure, is able to increase the frequency response thereof and to increase the positioning precision and structure rigidity of the in... | 11/17/2009 |
| 7588317 | Printing apparatus, printhead, and driving method therefor An object of this invention is to drive different types of printing elements arranged in a printhead by proper powers without increasing the number of signal lines between the printhead and a printing apparatus main body, complicating the circuit configuration, and ... | 09/15/2009 |
| 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) (11a) that discharges a liquid substance and (ii) a second nozzle layer (2) having a secon... | 08/04/2009 |
| 7556348 | Inkjet printhead incorporating nozzles which, together with endless walls, define nozzle chambers A printhead is provided for an inkjet printer. The printhead includes a substrate assembly defining ink inlet channels. Endless walls extend from the substrate assembly to surround respective ink inlet channels. Nozzles which, together with respective endless walls,... | 07/07/2009 |
| 7434910 | Printer having unevenly controlled printhead modules with shift registers A printer is provided having a printhead of first and second elongate printhead modules and first and second printer controllers configured to receive print data and process the print data to output dot data to the printhead. The printhead modules are parallel to ea... | 10/14/2008 |
| 7425056 | Ink-jet apparatus employing ink-jet head having a plurality of ink ejection heaters corresponding to each ink ejection opening In an ink-jet apparatus employing an ink-jet head having a plurality of heaters corresponding to one ink ejection opening and performing printing by ejecting an ink from the ink-jet head, timings of bubble forming are mutually shifted at respective heaters of the pl... | 09/16/2008 |
| 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 states of the droplets from the liquid discharging portions, and informati... | 08/05/2008 |
| 7407265 | Nozzle assembly with variable volume nozzle chamber A nozzle assembly is provided for an inkjet printer. The nozzle assembly includes a substrate assembly defining an ink inlet channel. An endless wall extends from the substrate assembly in alignment with the ink inlet channel. A nozzle is provided which, together wi... | 08/05/2008 |
| 7364271 | Nozzle arrangement with inlet covering cantilevered actuator A nozzle arrangement is provided for an inkjet printhead. The nozzle arrangement includes a substrate assembly defining an ink inlet channel. A nozzle extends from the substrate assembly. The nozzle defines a nozzle chamber in fluid communication with the ink inlet ... | 04/29/2008 |
| 7364277 | Apparatus and method of controlling droplet trajectory A printhead has a fluid chamber having an orifice, an associated fluid drop forming mechanism, and an associated fluid drop steering device. The fluid drop forming mechanism is operable to apply to fluid present in the fluid chamber energy sufficient to cause a flui... | 04/29/2008 |
| 7358051 | Liquid flow actuation and suspension manipulation using surface tension gradients Disclosed herein is a method of collecting suspensions in a liquid film including the steps of developing a variation in surface tension at a gas-liquid interface of the liquid film to generate a circulating flow pattern within the liquid film, and scanning the liqu... | 04/15/2008 |
| 7347518 | Ink jet recording head configured for ejecting small ink droplets to form high quality images An ink jet recording head is configured to jet small ink droplets for forming high-quality dot images. The ink jet recording head comprises ink jetting orifices from which ink droplets are jetted, and ink paths connected to said ink jet orifices. The ink paths are f... | 03/25/2008 |
| 7341322 | Liquid jet head, method and apparatus and receiving medium, configured for small ejected liquid droplets Liquid jet heads, methods and apparatuses are provided for jetting liquid droplets to a receiving medium and forming a dot pattern on a receiving medium. ... | 03/11/2008 |
| 7341324 | Pre-warming portions of an inkjet printhead An embodiment of a printing system is provided with an inkjet printhead having plural portions each having an ink-ejecting nozzle. The printing system includes plural heater elements each associated with one of the plural portions to pre-warm ink dispensed by the no... | 03/11/2008 |
| 7334875 | Method of fabricating a printhead having isolated nozzles A method of fabricating a printhead having isolated nozzles is provided. The method comprises the steps of: (a) providing a substrate, the substrate including a plurality of nozzles for ejecting ink droplets onto a print medium, each nozzle having a nozzle aperture ... | 02/26/2008 |
| 7334870 | Method of printing which minimizes cross-contamination between nozzles A method of printing from a printhead, whilst minimizing cross-contamination of ink between adjacent nozzles is provided. The method comprises the steps of: (a) providing a printhead comprising a substrate, which includes a plurality of nozzles for ejecting ink drop... | 02/26/2008 |
| 7331651 | Inkjet printhead having isolated nozzles A printhead suitable for minimizing cross-contamination between nozzles is provided. The printhead comprises a substrate, which includes a plurality of nozzles for ejecting ink droplets onto a print medium. Each nozzle has a nozzle aperture, which is defined in an i... | 02/19/2008 |
| 7331650 | Printhead having a removable nozzle plate A printhead and method of printing are provided. The printhead has a body with portions of the body defining a fluid chamber and a nozzle orifice. The nozzle orifice is in fluid communication with the fluid chamber. A drop forming mechanism is operatively associated... | 02/19/2008 |
| 7328966 | Page-width inkjet printer with printhead-transfer roller arrangement A page-width inkjet printer includes a chassis. A print media feed assembly is mounted on the chassis. A page-width inkjet printhead is mounted on the chassis downstream of the feed assembly. A tubular print transfer roller is operatively positioned with respect to ... | 02/12/2008 |
| 7322679 | Inkjet nozzle arrangement with thermal bend actuator capable of differential thermal expansion A nozzle arrangement is provided for an inkjet printhead. The nozzle arrangement includes a substrate assembly, in turn, including an electrical drive circuitry layer and defining an ink inlet channel. A nozzle chamber structure extends from the substrate assembly. ... | 01/29/2008 |
| 7314185 | Liquid jetting device A liquid jetting apparatus (20) to jet a droplet of a charged liquid solution onto a base material, having: a nozzle (21) in which an edge portion thereof is arranged to face the base material K having a receiving surface to receive the jetted droplet,... | 01/01/2008 |
| 7293858 | Inkjet printhead integrated circuit with rotatable heater element An inkjet printhead integrated circuit that has a plurality of nozzles 3 and a bubble forming chamber 7 corresponding to each nozzle respectively. At least one heater element 10 suspended in each bubble forming chamber 7 to heat a bubble ... | 11/13/2007 |
| 7291959 | Piezoelectric element, piezoelectric actuator, ink jet recording head, ink jet printer, surface acoustic wave element, frequency filter, oscillator, electronic circuit, thin film piezoelectric resonator and electronic apparatus A piezoelectric element includes a base substrate, a buffer layer formed above the base substrate, and a piezoelectric film formed above the buffer layer, wherein the buffer layer is formed of Pb ((Zr1-xTix)1-yNby)O3 ... | 11/06/2007 |
| 7287827 | Printhead incorporating a two dimensional array of ink ejection ports A printhead is provided for an inkjet printer. The printhead includes a wafer substrate assembly defining rows of evenly spaced ink inlet channels. Rows of ink ejection nozzle arrangements extend from the wafer substrate assembly and are in fluid communication with ... | 10/30/2007 |
| 7284829 | Inkjet printhead and process for producing the same An inkjet printhead and process for producing the same, having at least an auxiliary actuator being added in the inkjet printhead structure, is able to increase the frequency response thereof and to increase the positioning precision and structure rigidity of the in... | 10/23/2007 |
| 7281783 | Fluid ejection device A fluid ejection device includes a chamber, a first fluid channel and a second fluid channel each communicated with the chamber, a first peninsula extended along the first fluid channel and a second peninsula extended along the second fluid channel, and a first side... | 10/16/2007 |
| 7279194 | Thin film formation apparatus and method of manufacturing self-light-emitting device using thin film formation apparatus A means of effectively applying an organic EL material application liquid with good application liquid cut-off is provided. A heater and an ultrasonic oscillator are formed in a thin film formation apparatus when applying the application liquid, and heat and ultraso... | 10/09/2007 |
| 7278703 | Fluid ejection device with identification cells A fluid ejection device comprising an identification line adapted to receive a program signal and a read signal and identification cells electrically coupled to the identification line. Each of the identification cells comprises a memory circuit and a memory element... | 10/09/2007 |
| 7278711 | Nozzle arrangement incorporating a lever based ink displacement mechanism A nozzle arrangement is provided for an ink printer. The arrangement includes a support defining an ink inlet channel. The arrangement includes a wafer substrate, an electrical drive circuitry layer positioned on the wafer substrate, and a passivation layer position... | 10/09/2007 |
| 7278712 | Nozzle arrangement with an ink ejecting displaceable roof structure A nozzle arrangement is provided for an inkjet printhead. The nozzle arrangement includes a wafer substrate assembly defining an ink inlet channel and a first wall surrounding the ink inlet channel. A thermal actuator includes an anchor extending from the wafer subs... | 10/09/2007 |
| 7274856 | Waveguide apparatus and method for laser welding Some embodiments of the present invention provide a waveguide apparatus for transferring light to a weld area. The waveguide apparatus can include a waveguide comprising a material having a first index of refraction and having at least one wall defining at least one... | 09/25/2007 |
| 7264336 | Stacked heater elements in a 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 is configured to heat a bubble forming liquid in the printhead to a tem... | 09/04/2007 |
| 7263773 | Method of manufacturing a bubble-jet type ink-jet printhead A method of manufacturing a bubble-jet type ink jet printhead. The method includes forming resistive heater elements on a substrate, forming a patterned electrode layer on the resultant structure, forming an insulating layer over the resultant structure, forming bar... | 09/04/2007 |
| 7252367 | Inkjet printhead having paddled inkjet nozzles An inkjet printhead is provided having a plurality of ink ejection nozzles. Each nozzle has a displaceable actuator arm, a paddle for ejecting ink through an aperture defined in a roof of the nozzle, and a motion-transmitting structure interconnecting the actuator a... | 08/07/2007 |
| 7252368 | Fluid injector The fluid injector includes a base, a first through hole, a fluid actuator, a passivation layer, and a thick hydrophobic film. The base includes a chamber and a surface. The first through hole communicates with the chamber, and is disposed in the base. The fluid act... | 08/07/2007 |
| 7249818 | Print head apparatus with malfunction detector A print head and method that are capable of detecting a plurality of performance conditions such as a dry-fire, no-fire or clogged-nozzle condition. Pressure wave sensors within a print head are disclosed that are capable of detecting pressure waves generated by the... | 07/31/2007 |
