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6595626 |
Liquid ejecting head, liquid ejecting device and liquid ejecting method
A liquid ejecting head for ejecting liquid by generation of bubble includes an ejection outlet for ejecting the liquid; a liquid path in fluid communication with the ejection outlet; a bubble...
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6596644 |
Methods for forming features in polymer layers
12 Methods of forming features in polymeric materials by laser ablation techniques alone, or by the combined use of laser ablation techniques and photolithography, are disclosed. The methods can be...
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6591500 |
Method of manufacturing a liquid discharge head
A method of manufacturing a liquid discharge head having an opening for discharging liquid droplets, a wall member constituting a liquid flow path to the opening, a substrate provided with and for...
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6588952 |
Ink feed arrangement for a print engine
An ink feed arrangement for feeding ink to a printhead of a print engine includes a spine portion. A casing is mounted over the spine portion, the spine portion and the casing defining a plurality...
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6588887 |
Liquid discharge head and method for liquid discharge head
A liquid discharge head comprises discharge energy generating devices each generating energy to be utilized for discharging liquid as drops, and discharge ports arranged to face the discharge...
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6585491 |
Liquid discharge apparatus having a heating element
A liquid discharge head is provided having a heating member for generating thermal energy to create a bubble in liquid, a discharge port adapted to discharge the liquid, and a liquid flow path...
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6582065 |
Liquid ejection method, head and apparatus
A liquid ejection method including the steps of preparing a head comprising an ejection outlet, a bubble generation region, a movable member faced to the bubble generation region and displaceable...
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6578952 |
Liquid discharging method, liquid discharge head and recording apparatus using liquid discharge head
The present invention provides a liquid discharging method that uses a heat generating member for generating thermal energy for generating a bubble in liquid, a discharge port for discharging the...
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6568795 |
Drop-on-demand ink jet printing with controlled fluid flow during drop ejection
A drop-on-demand ink jet printing system includes an ink channel having a nozzle orifice through which ink droplets are ejected when ink in the ink channel is subjected to a momentary positive...
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6567187 |
Printing apparatus and feeding control method
A printing apparatus has high reliability both in manual feeding and in automatic feeding of a printing medium, and a feeding control method controls the printing apparatus. In the case of manual...
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6565195 |
Feed channels of a fluid ejection device
Volume of fluid feed channels is adjusted for drop generators that are staggered with respect to a feed edge. In one embodiment, barrier islands are positioned, sized, and/or shaped to adjust the...
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6561632 |
Printhead with high nozzle packing density
An inkjet printhead is provided with a high nozzle packing density. The printhead has ink feed holes for each firing chamber that are individually tuned such that the pressure drop from the...
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6561631 |
Ink jet printer head
An ink jet printer head includes a substrate having a heat resisting body, an ink chamber barrier installed on the substrate so as to form a side wall of an ink chamber filled with ink introduced...
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6557982 |
Ink jet recording method and apparatus for driving electrothermal converting elements in a dispersed manner
By using an ink jet recording head including an ink supply port for supplying an ink, a plurality of ink paths communicating with the ink supply port, a plurality of electro thermal converting...
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6557983 |
Ink jet head, substrate for ink jet head, ink jet cartridge, and ink jet apparatus
An ink jet head includes ink discharge openings for discharging ink and a substrate having a plurality of rows in each of which a plurality of electrothermal converting elements for generating...
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6554404 |
Conductor routing for a printhead
A printhead including a printhead substrate having at least one opening for providing a fluid path through the substrate and a thin film membrane formed on a second surface of the substrate. The...
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6554383 |
Liquid ejecting head and head cartridge capable of adjusting energy supplied thereto, liquid ejecting device provided with the head and head cartridge, and recording system
The present invention realizes a liquid ejecting head with increased ejection force and ejection efficiency and also realizes a liquid ejecting head having compatibility with the conventional...
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6554403 |
Substrate for fluid ejection device
A substrate for a fluid ejection device includes a first side, a second side opposite the first side, spaced etch stops extending into the substrate from the first side, and a fluidic channel...
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6543884 |
Fully integrated thermal inkjet printhead having etched back PSG layer
Described herein is a monolithic printhead formed using integrated circuit techniques. Thin film layers, including ink ejection elements, are formed on a top surface of a silicon substrate. The...
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6540327 |
Recording head capable of discharging a plurality of a ink having different desities and ink jet recording method and ink jet recording apparatus which use such a recording head
An ink jet recording apparatus uses a recording head having discharge ports to discharge ink, and records by discharging ink from the recording head while enabling said recording head to travel in...
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6540335 |
Ink jet print head and ink jet printing device mounting this head
An ink jet print head has plural electrothermal converting elements for generating energy used to discharge an ink droplet, plural ink discharging ports arranged above the electrothermal converting...
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6540337 |
Slotted substrates and methods and systems for forming same
Methods and systems for forming slots in a print head substrate having a thickness defined by opposing first and second surfaces. In one exemplary embodiment, a trench is received in the first...
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6540316 |
Liquid discharge head and liquid discharge apparatus
A liquid discharge head comprises first and second substrates which are to be mutually adjoined to form plural liquid paths respectively communicating with plural discharge apertures. The first...
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6540319 |
Movement sensor in a micro electro-mechanical device
A micro electro-mechanical device embodied within an ink ejection nozzle having an actuating arm that is caused to move an ink displacing paddle when heat inducing electric current is passed...
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6540336 |
Liquid discharge head, method for manufacturing such head, head cartridge and liquid discharging apparatus
A liquid discharge head, a liquid discharging apparatus having such a liquid discharge head, and a method for manufacturing such a liquid discharge head. The liquid discharge head is provided with...
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6536878 |
Ink jet drop generator and ink composition printing system for producing low ink drop weight with high frequency operation
This present invention is embodied in a low-cost printing system including a printhead and an ink composition that provides photographic-quality resolution. The printhead of the present invention...
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6533400 |
Liquid discharging method
There is disclosed a liquid discharge head comprising: a plurality of discharge ports for discharging a liquid; a plurality of liquid flow paths whose one end portion always communicates with each...
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6533401 |
Liquid discharging method, liquid discharge head and liquid discharging apparatus
A liquid discharge method through a liquid discharge head provided with a liquid flow path having a bubble generating area, in which a bubble is generated from liquid; a heater for generating heat...
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6530648 |
Apparatus for using bubble as virtual valve to eject ink and fabricating method thereof
An apparatus for using the bubble as a virtual valve to eject ink comprises a chamber, orifice, and heaters. The chamber, having a top surface and a bottom surface, is connected to the ink...
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6530651 |
Liquid ejecting head, liquid ejecting method, and method for manufacturing liquid ejecting head
A liquid ejecting head is provided comprising a member provided with a plurality of ejecting outlets; a substrate having a plurality of bubble generating means; a plurality of liquid flow paths; a...
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6527367 |
Ink jet recording head and ink jet recording apparatus
An ink jet recording head comprises a plurality of pairs arranged correspondingly on one base plate, having at least a plurality of heat generating resistive elements for use of ink discharges...
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6523941 |
Liquid discharging method and liquid discharging head
A liquid discharging method which employs a liquid discharging head consisting of a liquid discharging port, a bubble generating region where the bubble generates in the liquid and a movable member...
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6520628 |
Fluid ejection device with substrate having a fluid firing device and a fluid reservoir on a first surface thereof
A process of manufacturing a printhead of a print bar by applying, on the same side of a glass substrate, a fluid firing device, a fluid reservoir supplying fluid to the fluid firing device, and...
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6520624 |
Substrate with fluid passage supports
A fluid ejection assembly includes a substrate including a plurality of layers and having a plurality of fluid passages extending through the plurality of layers, with each of the fluid passages...
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6513911 |
Micro-electromechanical device, liquid discharge head, and method of manufacture therefor
A micro-electromechanical device comprises a movable member having a fixedly supporting portion and movable portion, and a substrate for having the movable member which is supported in a state...
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6513914 |
Liquid discharging head, method for manufacturing liquid discharging head, and liquid discharging apparatus
A boundary nozzle which is contained in a block that has not been driven and is situated at the boundary with a driving block that is driven prior to the block containing the boundary nozzle...
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6511160 |
Thermal ink-jet head and recording apparatus
A channel wafer has a plurality of nozzle flow channels and a common ink reservoir. Pits communicating with the ink reservoir from above heating elements are formed in a polyimide layer on a heater...
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6508538 |
Liquid ejection head, head cartridge and ejection apparatus with plural, independent liquid supply means
Under the condition that common ink flow passages are formed for separately supplying inks to respective ejection opening arrays of an orifice plate, flow passage cross sectional areas of branched...
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6508541 |
Thin front channel photopolymer drop ejector
An improved ink jet head wherein an ink reservoir is provided in the ink jet channel. Such a arrangement improves the printhead latency and broadens the range of inks which may be suitably...
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6505903 |
Method of discharging plural liquid droplets from single discharge port
Liquid is discharged at a high frequency in a consecutive manner with a liquid discharge head having a movable member. A bubble formed for discharge a first discharged droplet grows large into a...
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6502926 |
Ink jet semiconductor chip structure
The invention provides a printhead for an ink jet printer and a method for making a printhead for an ink jet printer. The printhead includes a printhead body having a chip surface side, an ink...
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6502927 |
Ink jet recording head having two or more pillars for each nozzle
An ink jet recording head includes a plurality of nozzles constituting a row of nozzles, a plurality of discharge ports for discharging ink, corresponding to the plurality of nozzles, the discharge...
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6499823 |
Ink jet recording head having substrate and ceiling plate base pressed together by base plate and ink supply member
An ink jet recording head includes a substrate having an element surface provided with energy generating elements, a ceiling plate provided with a grooved surface having grooves to become ink...
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6499835 |
Ink delivery system for an inkjet printhead
An ink-firing element is provided. The ink-firing element has a resistor for generating ink droplets, a substrate atop which the resistor rests and a barrier layer atop the substrate. The barrier...
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6497475 |
Liquid discharge method, head, and apparatus which suppress bubble growth at the upstream side
A liquid discharging method for a liquid discharge head having a plurality of discharge ports and a plurality of liquid flow paths communicated always with each of the discharge ports at one end,...
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6491381 |
Liquid discharge head and liquid discharge apparatus
In a liquid discharge head having an element substrate on the surface of which are provided in parallel a plurality of discharge energy generating elements generating heat energy for creating a...
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6491380 |
Liquid discharging head with common ink chamber positioned over a movable member
A liquid discharging head comprises a discharging port for discharging liquid, a liquid flow path communicated with said discharging port, a bubble generating region for causing the liquid to...
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6491382 |
Liquid discharge head and apparatus having restricted movement of a movable member
Disclosed is a liquid discharge head that comprises: a heat generator that generates a thermal energy for generating a bubble in a liquid; a discharge part as a portion to discharge the liquid; a...
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6488366 |
Fluid ejecting device with anchor grooves
A method of forming a fluid drop emitting apparatus such as an ink jet printing device that includes forming a portion of a fluid drop generator structure on a first surface of a substrate, forming...
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6489084 |
Fine detail photoresist barrier
The photoresist barrier layer of an inkjet printer printhead is processed to enable channels narrower than a predetermined width in the barrier layer to be created without blockage. Relatively...
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