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7431446 Web printing system having media cartridge carousel  
A printing system for producing printed media web, such as wallpaper, with a consumer selected print, such as a wallpaper pattern. The printing system comprising: at least one media cartridge...
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...
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...
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...
7407261 Image processing apparatus for a printing mechanism of a wide format pagewidth inkjet printer  
An image processing apparatus for a pagewidth inkjet printer that includes an array of printhead chips that span a print area includes an elongate support structure for supporting the array of...
7401902 Inkjet nozzle arrangement incorporating a thermal bend actuator with an ink ejection paddle  
The present invention relates to a nozzle arrangement for an inkjet printhead. The nozzle arrangement includes a substrate assembly defining an ink inlet channel. A nozzle chamber structure extends...
7401901 Inkjet printhead having nozzle plate supported by encapsulated photoresist  
An inkjet printhead is provided. The printhead comprises a plurality of nozzles formed on a substrate, and at least one nozzle plate spaced apart from the substrate. The nozzle plate is supported,...
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...
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...
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...
7381340 Ink jet printhead that incorporates an etch stop layer  
An ink jet printhead chip that is manufactured in accordance with an integrated circuit fabrication technique includes a wafer substrate that defines a plurality of nozzle chambers as a result of...
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...
7367729 Printer within a computer keyboard  
A printer is disposed within a housing of a keyboard. The keyboard housing has an upper side bearing a plurality of keypads arranged to interact with a keyboard circuit board located within the...
7367359 Proportional micromechanical valve  
The present invention provides a proportional microvalve having a first, second and third layer, and having high aspect ratio geometries. The first layer defines a cavity with inlet and outlet...
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...
7360872 Inkjet printhead chip with nozzle assemblies incorporating fluidic seals  
An inkjet printhead chip includes a wafer substrate that defines a plurality of ink inlet channels. A drive circuitry layer is positioned on the wafer substrate. A plurality of nozzle assemblies is...
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...
7356913 Process for manufacturing a microsystem  
A process for making microswitches or microvalves, composed of a substrate and used for shifting between a first state of functioning and a second state of functioning by means of a bimetal-effect...
7347952 Method of fabricating an ink jet printhead  
An ink jet printhead chip includes a wafer substrate. A CMOS drive circuitry layer is positioned on the wafer substrate. A plurality of nozzle arrangements is positioned on the wafer substrate and...
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...
7341672 Method of fabricating printhead for ejecting ink supplied under pulsed pressure  
A method of fabricating a printhead is provided in which sacrificial material is deposited on a drive circuitry substrate and etched to define first zones, thermally expandable material is...
7339454 Tensile-stressed microelectromechanical apparatus and microelectromechanical relay formed therefrom  
A microelectromechanical (MEM) apparatus is disclosed which includes a shuttle suspended above a substrate by two or more sets of tensile-stressed beams which are operatively connected to the...
7337532 Method of manufacturing micro-electromechanical device having motion-transmitting structure  
A method of manufacturing a micro-electromechanical device is provided. The method comprises providing a substrate incorporating drive circuitry, and forming a drive member, a motion-transmitting...
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...
7334873 Discrete air and nozzle chambers in a printhead chip for an inkjet printhead  
A printhead chip for an inkjet printhead includes a plurality of nozzle arrangements on a substrate. Each nozzle arrangement includes nozzle chamber walls and a roof that define a nozzle chamber...
7326357 Method of fabricating printhead IC to have displaceable inkjets  
A method of fabricating an inkjet printhead IC is provided which includes etching a circuitry layer to define first regions, depositing thermally expandable material thereover, etching the...
7325918 Print media transport assembly  
A printer of a type having a page width printhead includes opposed first and second platens. Spanning the space between the platens is a drive roller that is arranged to urge portions of print...
7325904 Printhead having multiple thermal actuators for ink ejection  
An inkjet printhead is provided including a substrate defining chambers for storing ink, with each chamber having an ink ejection port and actuators arranged to bend upon actuation to displace the...
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...
7318912 Microfluidic systems and methods for combining discrete fluid volumes  
Microfluidic devices capable of combining discrete fluid volumes generally include channels for supplying different fluids toward a sample chamber and means for establishing fluid communication...
7303262 Ink jet printhead chip with predetermined micro-electromechanical systems height  
An inkjet printhead chip includes a wafer substrate ( 12 ). A CMOS drive circuitry layer is positioned on the wafer substrate. A plurality of nozzle arrangements is positioned on the wafer...
7303254 Print assembly for a wide format pagewidth printer  
A print assembly ( 14 ) for a wide format printer ( 10 ) includes a carrier ( 187 ) that is mountable on a support structure ( 12 ) of the wide format printer ( 10 ) in an operative position with...
7290856 Inkjet print assembly for high volume pagewidth printing  
An inkjet print assembly for high-volume pagewidth printing is attached to a support structure within a printer. In use the print assembly is positioned operatively with respect to a platen...
7287836 Ink jet printhead with circular cross section chamber  
A thermal ink jet printhead with an array of nozzles 3 , each nozzle having heater elements 10 disposed in a bubble forming chamber 7 . The bubble forming chambers 7 having circular cross...
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...
7284838 Nozzle arrangement for an inkjet printing device with volumetric ink ejection  
A nozzle arrangement for an inkjet printhead, the nozzle arrangement including a substrate that incorporates drive circuitry and defines an ink chamber and an ink supply channel in fluid...
7284834 Closure member for an ink passage in an ink jet printhead  
A closure member for each of the plurality of ink passages in an ink jet printhead chip that is the product of an integrated circuit fabrication technique includes a wafer substrate having a front...
7284833 Fluid ejection chip that incorporates wall-mounted actuators  
A fluid ejection chip includes a substrate. A plurality of nozzle arrangements is positioned on the substrate. Each nozzle arrangement includes a nozzle chamber defining structure which defines a...
7284326 Method for manufacturing a micro-electromechanical nozzle arrangement on a substrate with an integrated drive circutry layer  
A method for manufacturing a micro-electromechanical printer nozzle arrangement on a substrate having a layer of integrated drive circuitry includes etching a nozzle region through the layer of...
7283030 Doubly-anchored thermal actuator having varying flexural rigidity  
A doubly-anchored thermal actuator for a micro-electromechanical device such as a liquid drop emitter or a fluid control microvalve is disclosed. The thermal actuator is comprised of a base element...
7278796 Keyboard for a computer system  
A keyboard for a computer system is provided. The keyboard comprises a housing having an upper surface defining an opening for a plurality of keys, a printer assembly positioned on a print media...
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...
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...
7275811 High nozzle density inkjet printhead  
An inkjet printhead with a high density of nozzles in a substrate for greater resolution and print quality. The nozzles are arranged in rows with each row offset relative to its adjacent rows to...
7270492 Computer system having integrated printer and keyboard  
A computer system is provided comprising a computer, a keyboard peripheral of the computer, and a pagewidth printer peripheral of the computer. The pagewidth printer is disposed within a housing of...
7270399 Printhead for use with a pulsating pressure ink supply  
A printhead includes a substrate that defines a plurality of ink inlet channels. Drive circuitry is positioned on the substrate. A pair of sets of nozzle arrangements is positioned on the...
7267424 Wide format pagewidth printer  
A wide format printer includes a carrier that is mountable on a support structure of the wide format printer in an operative position with respect to a platen of the wide format printer. A number...
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...
7258425 Printhead incorporating leveraged micro-electromechanical actuation  
A printhead for an inkjet printer comprises a substrate. A drive circuitry layer is positioned on the substrate. A plurality of micro-electromechanical ink ejection assemblies is formed on the...
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...
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