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7625071 |
Liquid ejection head, image forming apparatus and method of manufacturing liquid ejection head
A liquid ejection head having a flow channel plate in which liquid flow channels are formed and an actuator forming plate on which actuators for generating pressure which ejecting the liquid are...
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7625070 |
Liquid ejection head and image forming apparatus
The liquid ejection head including: a plurality of ejection ports which eject liquid to a recording medium; a plurality of pressure chambers which are connected respectively to the ejection ports;...
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7614726 |
Recording head chip, recording head employing recording head chip, and recording apparatus employing recording head
A recording head substrate includes a plurality of groups of recording elements arranged in arrays; a number, corresponding to a number of the groups, input contacts for receiving driving pulse...
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7614725 |
Inkjet printing apparatus
An inkjet printing apparatus includes an array of inkjet print heads, wherein each print head has at least one ink port for receiving ink, at least one nozzle for directing ink onto a substrate to...
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7595562 |
Device package structure, device packaging method, droplet ejection head, connector, and semiconductor device
A device package structure includes: a base body having a conductive connection portion and a level difference portion; a device arranged on the base body, having a connection terminal electrically...
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7591538 |
Liquid ejecting head and liquid ejecting apparatus usable therewith
A liquid ejecting head for ejection liquid includes an electric wiring member including a plurality of contact pads which are electrically contactable to a liquid ejecting apparatus; a storing...
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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...
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7578581 |
Ink jet printer
An ink jet printer is provided with an ink jet head. The ink jet head includes an ink passage body and an actuator. The ink passage body includes a nozzle, an ink chamber communicating with the...
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7575302 |
Circuitry for printer
A printing system includes a print head to deliver ink to an image receptor and at least one ink reservoir to deliver ink to the print head. Driving circuitry provides signals to the print head to...
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7549734 |
Liquid discharge head
A recording head includes outlets disposed in a staggered pattern so that the distances from an ink inlet to the outlets differ alternately for adjacent outlets. The recording head includes an...
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7547094 |
Liquid discharge recording head and ink jet recording apparatus
A liquid discharge recording head includes a recording element with a discharge port for discharging liquid and an electrically connecting portion arranged adjacent to the discharge port and...
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7540596 |
Electric device where actuator unit and printed wiring board are connected using bonding parts
There is disclosed an electric device comprising: an actuator unit which includes a plurality of electrodes formed thereon; a printed wiring board which comprises: an electrically insulating...
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7533960 |
Liquid discharge head, and method of manufacturing liquid discharge head
A liquid discharge head comprises: a discharge element substrate including a discharge port for discharging liquid and a discharge energy generating element; an electrical wiring substrate for...
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7524022 |
Head module, liquid discharge head, and liquid discharge apparatus
A head module includes lines of head chips, each head chip having energy-generating elements for discharging liquid and electrodes for electrically connecting the energy-generating elements to a...
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7497536 |
Fluid ejection device
A fluid ejection device including firing cells including a first group of firing cells and a second group of firing cells, a control line configured to receive a control signal and control...
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7488056 |
Fluid ejection device
A fluid ejection device having a first fluid feed source having a first fluid feed source edge in communication with a substrate surface, first firing resistors disposed along the first fluid feed...
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7461922 |
Printing system having power regulating printhead cartridge interface
A printing system comprising: a printhead cartridge comprising a printhead; a cradle unit for supporting the printhead cartridge; and an interface at which the cradle unit is removably engageable...
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7445316 |
Printhead substrate, printhead, head cartridge, and printing apparatus
A driving circuit layout can suppress an increase in the area of a head substrate in an inkjet printhead adopting a constant electric current driving method. A plurality of printing elements and a...
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7441877 |
Substrate having a plurality of common power supply wires and a plurality of common ground wires for inkjet recording head and inkjet recording head using the same
Limitations on the number of recording elements capable of being simultaneously driven are relaxed so that driving voltage fluctuation falls within an allowable range. The substrate includes arrays...
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7441874 |
Insulated heat unit for ink jet printer, an ink jet printer including an insulated head unit and signal transmission board used for the ink jet printer
A head unit has a head main body for discharging ink, a driver IC and an FPC, which is interposed between the driver IC and the head main body. The FPC has through holes each of which is embedded...
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7438388 |
Printer having sprung printed circuit board for printhead assembly
A printer is provided having a removably mounted printhead assembly. The printhead assembly has a printhead module, a circuit assembly and a support frame. The module has at least two printhead...
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RE40529 |
Ink jet recording apparatus and method using ink jet head having u-shaped wiring
An ink jet recording method includes the steps of providing an ink jet recording head having a plurality of discharge openings for discharging ink, a plurality of liquid passageways for holding ink...
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7425057 |
Liquid discharge head and method for manufacturing the same
A liquid discharge head including a discharge element substrate including an orifice plate having a discharge port for discharging a liquid, and a supply port opened in the reverse side of the...
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7419246 |
Flexible circuits, flexible circuit assemblies and assemblies for use with fluid ejection apparatuses
Assemblies for use with a fluid ejection apparatus, flexible circuit assemblies and flexible circuits. One such flexible circuit includes a flexible substrate and conductive lines adjacent the...
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7416286 |
Inkjet recording head and inkjet recording device
An inkjet recording head having: a nozzle ejecting ink drops; a pressure chamber which communicates with the nozzle and in which ink is filled; a vibrating plate structuring a portion of the...
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7407270 |
Liquid jet head and liquid jet apparatus
Provided are a liquid jet head and a liquid jet apparatus in which it is possible to securely connect drawn wires and connection wires and to improve reliability. Connection portions 91 of drawn...
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7401895 |
Inkjet printhead integrated circuit with optimized trace orientation
A printhead integrated circuit (IC) for an inkjet printer, with a plurality of nozzle chamber structures positioned on a wafer substrate to define nozzle chambers and an ink ejection nozzle in...
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7401875 |
Inkjet printhead incorporating a memory array
A thermal inkjet printhead 100 of the present invention includes a heating element 110 , an ink chamber, control circuitry 108 , an ink reservoir, and a memory array 106 . The control...
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7370943 |
Structure and method for connecting flexible printed circuit board to inkjet print head
A plurality of lands and a plurality of conducting wires connected independently to each land are formed on one side surface of an insulating substrate of a flexible printed circuit board....
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7367657 |
Inkjet printhead with transistor driver
An inkjet printhead chip includes a substrate, transistors, isolation structures, a dielectric layer, a resistive layer and conductive sections. Each transistor includes a gate, a source, a drain...
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7367655 |
Integrated printhead with encoding circuit
Ink jet printhead comprising a driving and encoding circuit ( 20 ) having a grid-like structure, including a plurality of inputs ( 24 ), a plurality of selecting elements ( 12 ), a plurality of...
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7354125 |
Element board for printhead, and printhead having the same
In a printhead element board including a plurality of printing elements which align in a predetermined direction, driving circuits which drive the printing elements, and an element selection...
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7347533 |
Low cost piezo printhead based on microfluidics in printed circuit board and screen-printed piezoelectrics
In accordance with one aspect of the present exemplary embodiment, a printhead includes a printed circuit board having at least one base layer, with at least one electrical trace, at least one...
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7347522 |
Ink-jet head and image recording apparatus
An ink-jet head which includes: a flow passage unit having plural nozzles and pressure chambers respectively communicating with the nozzles, the pressure chambers being arranged along a planar...
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7344227 |
Power and ground buss layout for reduced substrate size
A semiconductor substrate for a micro-fluid ejection device. The substrate includes plurality of micro-fluid ejection actuators disposed adjacent a fluid supply slot in the semiconductor substrate....
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7344218 |
Printhead driving method, printhead substrate, printhead, head cartridge and printing apparatus
An increase in energy applied to a heating element can be prevented and the service life of a printhead can be prolonged even when the temperature of the printing element having a negative...
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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...
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7338149 |
Methods for forming and protecting electrical interconnects and resultant assemblies
The described embodiments relate to methods and systems for forming and protecting electrical interconnect assemblies. In one embodiment, an electrical interconnect assembly forming method forms an...
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7328980 |
Thermal print head temperature estimation system
A method estimates the temperature of a thermal print head element during printing. In one embodiment, the temperature is estimated using the resistance of the thermal print head element, which...
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7328973 |
Pagewidth printhead cartridge having a longitudinally extending electrical contact
A cartridge unit for an inkjet printer comprising a body portion housing one or more ink storage compartments; a pagewidth printhead assembly configured to receive ink from the one or more ink...
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7322678 |
Flexible wiring cable for recording apparatus
A flexible wiring cable 60 connects a recording head 7 and a relay board, and includes COF (chip on film) 62 for connecting an output side wiring pattern of an IC chip 61 to the recording...
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7322677 |
Printhead assembly with communications module
A printhead assembly with a communications module for a wallpaper printing system, the printhead assembly comprising: a casing; a printhead module; a fluid channel member positioned adjacent to the...
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7311385 |
Micro-fluid ejecting device having embedded memory device
A semiconductor substrate for a micro-fluid ejecting device. The semiconductor substrate includes a plurality of fluid ejection devices disposed on the substrate. A plurality of driver transistors...
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7303257 |
Modular printhead
A printhead assembly for a pagewidth inkjet printer, having an array of printhead modules mounted to an elongate channel extending substantially across the pagewidth. A flexible printed circuit...
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7293857 |
Inkjet printhead and method of manufacturing the same
An inkjet printhead and a method of manufacturing the same are provided. The inkjet printhead includes a substrate; a plurality of heaters formed on an upper portion of the substrate for heating...
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7290868 |
Inkjet head with formed external circuit connecting electrodes
There are provided driving electrodes ( 25 ) on walls ( 24 ) separating both sides of individual ink chambers ( 22 ) formed in the form of an array of multiple grooves. External circuit connecting...
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7290864 |
Heater chips with a reduced number of bondpads
Heater chips for use in printing devices, such as those including one or more ink vias and one or more heater arrays, where at least a portion of at least one the ink vias is associated with at...
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7290862 |
Modular printhead assembly with carrier for maintaining data and power connections
A printhead assembly for an inkjet printer includes an elongate carrier. A number of printhead modules are mounted on the carrier. Each printhead module includes an ink delivery assembly and a...
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7287832 |
Printhead substrate, printhead and printing apparatus
The present invention provides a printhead substrate capable of controlling the driving of a large number of printing elements in a reduced surface area, a printhead using the printhead substrate,...
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7270398 |
Circuit board and liquid discharging apparatus
A circuit board for a liquid discharging apparatus in which coating performance of a protective layer and a cavitation resistive film on a heat generating element is excellent and durability is...
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