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US20070120895 Inkjet finger manifold  
An inkjet finger manifold is provided that includes a longitudinal manifold chamber with an entrance at a first end adjacent to a first longitudinal side. A purge vent is located at a second end...
US20050122380 Inkjet printer head and inkjet printer  
An inkjet printer head including: (a) a front head unit having (a-i) an outside surface which is to be opposed to a print media, (a-ii) an inside surface opposite to the outside surface, (a-iii) a...
US20090040279 INKJET PRINTHEAD WITH NON-UNIFORM NOZZLE CHAMBER INLETS  
An inkjet printhead with an array of droplet ejectors arranged in adjacent rows, each nozzle having a nozzle, a chamber for containing printing fluid and a corresponding actuator for ejecting the...
US20120007925 LIQUID EJECTION HEAD  
A liquid ejection head includes a common liquid chamber for storing liquid, a plurality of flow paths that communicate individually with the common liquid chamber and through which liquid from the...
US20130050349 LIQUID EJECTION HEAD AND LIQUID EJECTION METHOD  
Provided is a liquid ejection head, including: an ejection orifice for ejecting liquid; a pressure chamber communicating with the ejection orifice; a flow path for supplying the liquid to the...
US20090141108 PRINTER WITH MINIMAL DISTANCE BETWEEN PRESSURE-DAMPENING STRUCTURES AND NOZZLES  
An inkjet printer is provided. The printer comprises an inkjet printhead having a plurality of nozzles; at least one ink reservoir; and an ink supply system for supplying ink from the reservoir to...
US20090141109 PRINTHEAD WITH PRESSURE-DAMPENING STRUCTURES  
An inkjet printhead is provided. The printhead comprises a plurality of nozzle assemblies; a nozzle plate covering the plurality of nozzle assemblies; an ink supply system for supplying ink to the...
US20120200641 LIQUID EJECTION HEAD AND LIQUID EJECTION METHOD  
A liquid ejection head including an ejection orifice for ejecting a liquid; a flow path for supplying the liquid from a liquid supply port holding the liquid to the ejection orifice; and a heat...
US20080218557 MICRO-DROPLET EJECTION APPARATUS HAVING NOZZLE ARRAYS WITHOUT INDIVIDUAL CHAMBERS AND EJECTION METHOD OF DROPLETS THEREOF  
A micro-droplet ejection apparatus includes a substrate, a droplet-ejecting layer, and a plurality of bubble generators. A liquid storage space is formed between the substrate and the...
US20070076058 Methods for improving flow through fluidic channels  
Methods for improving fluid flow in one or more flow features of a micro-fluid ejection head and micro-fluid ejection heads having improved fluid flow. One method includes bonding a substrate...
US20080316277 MICRO-FLUID EJECTOR PATTERN FOR IMPROVED PERFORMANCE  
A micro-fluid ejection head and method for reducing a stagger pattern distance and improving droplet placement, on a receiving medium. The micro-fluid ejection head includes a substrate containing...
US20120069098 HEATING FLOW PATH UNIT AND LIQUID EJECTING HEAD  
In the heating flow path unit, the entrance-side sealing member has an inflow restriction portion which restricts flow of liquid on a portion corresponding to an individual entrance-side opening...
US20080143790 LIQUID EJECTION HEAD AND PRODUCTION PROCESS THEREOF  
A liquid ejection head is constituted by a substrate provided with a plurality of energy generating elements for being used for ejecting a liquid and a plurality of liquid supply ports for...
US20140307033 PRE-HEATING LIQUID EJECTED FROM A LIQUID DISPENSER  
A liquid dispenser array structure includes a substrate including a plurality of liquid dispensers. The plurality of liquid dispensers includes a liquid supply channel, a liquid dispensing channel...
US20090273650 Printhead With Columns Extending Across Chamber Inlet  
An inkjet printhead for a printer that prints via an array of ink ejection devices. Each ink ejection device has a chamber for holding a quantity of ink. The chamber is partially defined by at...
US20080231665 INKJET PRINTHEAD, PRINTING METHOD USING THE SAME, AND METHOD OF MANUFACTURING THE INKJET PRINTHEAD  
The inkjet printhead includes substrate having an ink feed hole formed to supply ink, a chamber layer stacked on the substrate, and including a plurality of main ink chambers formed therein with...
US20080136872 LIQUID RECORDING HEAD  
A liquid recording head for effecting recording by ejecting droplets from a plurality of ejection outlets formed on a substrate is provided. The liquid recording head includes a plurality of large...
US20130016161 LIQUID EJECTION HEAD AND LIQUID EJECTION DEVICE  
A liquid ejection head includes a nozzle plate, and a flow path member that is bonded to the nozzle plate, wherein the individual flow path includes a communicating portion that communicates with...
US20080192091 PRINTHEAD WITH EJECTION ORIFICE IN FLEXIBLE ELEMENT  
An inkjet printhead that has a substrate with a first layer, a second layer; and a flexible element supported by the second layer. The flexible element has an orifice through which ink is ejected....
US20150258788 FLOW-PATH MEMBER, LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS  
A bifurcation path and a flow path which communicates with the head main body through the bifurcation path are provided. The bifurcation path includes an upstream-side path and a downstream-side...
US20050052502 Thermal bubble membrane microfluidic actuator  
A thermal bubble membrane actuator for ejecting a liquid which includes a base substrate, a first plurality of heating elements, a first plurality of electrodes, a first plurality of expansion...
US20080129797 LIQUID DROPLET EJECTING HEAD AND LIQUID DROPLET EJECTING APPARATUS  
A liquid droplet ejecting head according to an aspect of the present invention includes a liquid droplet ejecting element for ejecting liquid droplets a liquid supply path having two or more flow...
US20070019039 Thermally driven inkjet printhead  
A thermally driven inkjet printhead includes a substrate, a heater formed on the substrate, a chamber layer stacked on the substrate to define an ink chamber on an upper portion of the heater and...
US20080049075 Liquid droplet ejecting device  
An ink-jet printer head comprises a plurality of pressure chambers, a plurality of restricting passages which are arranged in parallel and are respectively connected to the plurality of pressure...
US20070085881 METHODS FOR IMPROVED MICRO-FLUID EJECTION DEVICES  
A micro-fluid ejection head structure having multiple arrays of fluid ejection actuators. The structure includes a semiconductor substrate having a first array of fluid ejection actuators for...
US20090244199 LIQUID DISCHARGING HEAD AND INKJET HEAD  
A liquid discharging head includes a flow path unit having a common liquid flow path; an individual liquid flow path; and a plurality of plates that are stacked to form the common liquid flow path...
US20070165079 Method for operating an inkjet printing apparatus  
A method for operating an inkjet printing device with at least one inkjet printhead having a row of nozzles through which ink can be directed onto the substrate to be printed, which is guided over...
US20100220154 BASE FOR LIQUID DISCHARGE HEAD, AND LIQUID DISCHARGE HEAD USING THE SAME  
A base for a liquid discharge head includes a heat element which forms an exothermic portion 108, an electrode wire 105 that is electrically connected with the heat element, an insulative...
US20080079782 INKJET HEAD  
An inkjet head has a flow path unit having a first surface and a second surface opposite the first surface. The flow path unit ejects ink in an ink ejection direction. The flow path unit has wall...
US20080117262 Liquid ejection head and image forming apparatus using the same  
A liquid ejection head includes a plurality of orifices, a plurality of chambers in communication with the orifices, a plurality of fluid resistance portions in communication with the chambers, a...
US20090185009 INKJET PRINTHEAD INTEGRATED CIRCUIT WITH RECTIFYING VALVES  
Provided is a unit cell arrangement for an inkjet printhead. The unit cell arrangement includes a substrate that defines an ink inlet and sidewalls supporting a roof portion on the wafer substrate...
US20120069097 LIQUID EJECTING HEAD UNIT  
A liquid ejecting head unit includes a flow path unit including a flow path communicating with a plurality of nozzles, a head case in which a common liquid flow path for supplying liquid to the...
US20080174639 INK-JET PRINT HEAD AND METHOD FOR MANUFACTURING THE SAME  
An ink-jet print head and a method for manufacturing the same. The ink-jet print head includes: an ink ejection part to eject ink; pad regions having connecting pads to apply an electric signal to...
US20080309732 LIQUID EJECTION APPARATUS  
A liquid ejection apparatus having liquid ejection heads extending in a particular direction, and each liquid ejection head has an ejection surface with ejection ports configured to eject a...
US20110310183 SUBSTRATE FOR LIQUID DISCHARGE HEAD AND LIQUID DISCHARGE HEAD  
A liquid discharge head includes a heat accumulation layer provided on a board, an energy generation element configured to generate energy to discharge liquid from a discharge port and including a...
US20070081049 Printhead with side entry ink chamber  
An inkjet printhead with an array of elongate ink chambers, each having a nozzle, an actuator for ejecting ink through the nozzle and a sidewall opening allowing ink to refill the chamber;...
US20080062226 Droplet discharging head, liquid cartridge, droplet discharging device, and image formation apparatus  
A disclosed droplet discharging head includes: a common liquid chamber; a plurality of liquid flow paths branching from the common liquid chamber; a nozzle communicating with the liquid flow path;...
US20080239014 Liquid discharging head and liquid discharging apparatus  
A liquid discharging head includes a head chip including a plurality of energy generating elements configured to discharge liquid and liquid chambers provided around the corresponding energy...
US20090201343 LIQUID EJECTION HEAD AND MANUFACTURING METHOD OF LIQUID EJECTION HEAD  
The present invention provides a liquid ejection head for which the peeling of an orifice plate from a substrate seldom occurs, even in a structure such that the walls that define each energy...
US20080111868 LIQUID EJECTION HEAD  
A liquid ejecting head is constituted by a substrate to which elements for generating energy utilized for ejecting liquid and a supply port for supplying the liquid to be ejected are provided; a...
US20090267997 INK JET HEAD  
An ink jet head includes a substrate having an ink supply port; an ejection outlet for ejecting ink supplied through the supply port; a flow path portion which provides fluid communication between...
US20130257996 DIGITAL DROP PATTERNING DEVICE AND METHOD  
A liquid dispenser array structure includes a liquid dispensing channel. A first liquid supply provides a carrier liquid that flows continuously through an outlet of the liquid dispensing channel...
US20050280674 Process for modifying the surface profile of an ink supply channel in a printhead  
A process for modifying the surface profile of an ink supply channel in a printhead is provided. The process comprises the steps of providing a printhead comprising ink supply channels, and ion...
US20080122899 INKJET PRINT HEAD AND METHOD OF MANUFACTURING THE SAME  
An inkjet print head includes a substrate in which an ink feed hole having an hourglass cross-section is formed, a chamber layer that is stacked on the substrate and has a plurality of ink...
US20110292132 LIQUID DISCHARGE HEAD  
Provided is a liquid discharge head including a discharge port; an energy application chamber that includes a heat generating element, and communicates with the discharge port; and a flow path...
US20080055368 LIQUID JET HEAD  
A liquid ejecting head includes a plurality of ejection outlets for ejecting droplets; liquid flow paths in fluid communication with said ejection outlets; and a liquid supply opening for...
US20090167820 Inkjet Head  
An inkjet head may comprise an ejection port which ejects ink and an ink flow path which supplies the ink to the ejection port. The inkjet head may also comprise an ejection actuator which...
US20070176976 PRINT HEAD  
It is an object of this invention to provide a print head which can stably eject ink droplets of large volume without being influenced by negative pressure variations in an ink supply source or by...
US20130257997 DIGITAL DROP PATTERNING DEVICE AND METHOD  
A liquid dispensing system includes a liquid dispenser array structure. A first liquid supply provides a carrier liquid that flows continuously through an outlet of a liquid dispensing channel...
US20130057619 LIQUID DISCHARGE HEAD AND METHOD OF MANUFACTURING THE SAME  
Provided is a method of manufacturing a liquid discharge head including: forming a first pattern for forming the flow path on the substrate; forming a first coating layer which covers the first...

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