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6273543 |
Aqueous developable high performance curable polymers
Disclosed is a composition which comprises a polymer containing at least some monomer repeat units with water-solubility- or water-dispersability-imparting substituents and at least some monomer...
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6267468 |
Printhead substrate having a mixture of single and double sided elongate ink feed channels
An ink jet printhead having first and second arrays of ink drop generators adjacent edges of a printhead substrate, third and fourth arrays of ink drop generators inboard of the first and second...
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6267472 |
Ink jet heater chip module with sealant material
A heater chip module is provided comprising a carrier adapted to be secured directly to an ink-filled container, at least one heater chip having a base coupled to the carrier, and at least one...
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6264302 |
Detection of a discharge state of ink in an ink discharge recording head
This invention provides, in a novel liquid discharge method utilizing a movable member, a configuration for detecting presence or absence of liquid in the liquid path or discharge state of the...
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6260958 |
Liquid ejection head having specific flow path structure
A liquid ejection head includes an ejection outlet for ejecting liquid; a plurality of liquid flow paths; a bubble generating region for generating a bubble; a movable member disposed faced to the...
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6260956 |
Thermal ink jet printhead and process for the preparation thereof
Disclosed is an ink jet printhead which comprises (i) an upper substrate with a set of parallel grooves for subsequent use as ink channels and a recess for subsequent use as a manifold, the grooves...
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6257706 |
Micro injecting device and a method of manufacturing
Disclosed is a micro-injection device, a method of manufacturing of the micro-injection device and method of use. The device comprises a liquid chamber separated from a working fluid chamber by an...
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6254222 |
Liquid jet recording apparatus with flow channels for jetting liquid and a method for fabricating the same
Through-holes serving as common liquid chambers 5 are formed in a flow channel substrate 1 by a wet anisotropic etching process. One opened end of each through-hole serves as a liquid inlet 4....
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6254219 |
Inkjet printhead orifice plate having related orifices
A printhead for an inkjet printer utilizes an orifice plate having at least two ink ejection orifices associated with one ink firing chamber so that both orifices eject ink. These orifices are...
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6247779 |
Printhead configuration
A printhead comprises a source of ink, a body, a mounting base, and an ink heater thermally coupled to the mounting base. A flowpath delivers ink from the ink source to the heater and is defined at...
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6247798 |
Ink compensated geometry for multi-chamber ink-jet printhead
In accordance with the invention a multi-chamber printhead barrier design that is compensated for differences in ink properties is disclosed. The printhead comprises different groups of firing...
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6244694 |
Method and apparatus for dampening vibration in the ink in computer controlled printers
In a computer controlled, drop-by-drop, inkjet printer, either thermal ink-jet or piezoelectric, an apparatus for dampening the vibration caused by expelling the drops of ink. The apparatus...
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6234613 |
Apparatus for generating small volume, high velocity ink droplets in an inkjet printer
Disclosed is an inkjet print cartridge including an ink supply, a substrate having a plurality of individual ink ejection chambers defined by a barrier layer formed on a first surface of the...
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6231166 |
Ink jet head
An ink jet head having a plurality of heat generating resistive elements arranged in an array for discharging ink, includes a base board having said heat generating resistive elements and a...
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6231167 |
Liquid discharging head, liquid discharging method, head cartridge, liquid discharging apparatus, liquid discharging printing method, printing system, head kit and head recovery method
There have been desired a liquid discharge method, a liquid discharge head and a liquid discharge apparatus capable of sufficient temperature adjustment for maintaining the viscosity of the...
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6231168 |
Ink jet print head with flow control manifold shape
An ink jet print head with a substrate defining an ink aperture. A number of ink energizing elements are located on the major surface of the substrate. A barrier layer is connected to the upper...
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6227645 |
Liquid jet recording head and assembling method therefor
According to the present invention, a liquid jet recording head assembly method comprises the steps of assembling a pressing member with a reference member to which an element substrate is fixed,...
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6224197 |
Liquid jet recording head having tapered liquid passages
A liquid jet recording head includes a plurality of ejection outlets through which droplets of liquid are ejected by thermal energy, a plurality of liquid passages communicating with the ejection...
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6217161 |
Ink storing chamber structure in an ink jet printer head
An ink jet printer head for discharging ink is provided with: a cavity plate prescribing (i) an ink flow path through which the ink is supplied, (ii) a plurality of ink storing chambers, each of...
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6213594 |
Ink-jet printing head for preventing crosstalk
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6213587 |
Ink jet printhead having improved reliability
The present invention relates to an inkjet printhead with improved reliability. The printhead comprises a transducer, a chamber, and a plate. At least a portion of the transducer is arranged within...
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6213592 |
Method for discharging ink from a liquid jet recording head having a fluid resistance element with a movable member, and head, head cartridge and recording apparatus using that method
A method for discharging ink from a discharge port using a liquid jet recording head having the discharge port for discharging liquid, a liquid flow path communicating with the discharge port, a...
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6209981 |
Ink jet recording head with ink detection
A preliminary ejection sensor of an ink jet recording apparatus includes a vibration plate adapted to vibrate on receipt of an ink droplet ejected from an ejection port on a recording head in order...
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6209993 |
Structure and fabricating method for ink-jet printhead chip
A method for fabricating a printhead chip. A silicon substrate having a first surface and a second surface is provided. A plurality of grooves is formed in the first surface by an etching process....
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6209992 |
Ink-jet recording head, ink-jet recording apparatus using the same, and method for producing ink-jet recording head
An ink-jet recording head includes: a substrate having a first main surface and a second main surface; ink cavity chambers formed on the second main surface of the substrate; and a piezoelectric...
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6206501 |
Ink jet recording head
An ink jet recording head that is formed by laminating a plurality of thin plate members, each having a plurality of holes. The holes of the adjacently stacked thin plate members cooperate to form...
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6206505 |
Liquid carrying method, a liquid carrying apparatus, and a liquid discharging method and a liquid discharge head utilizing such liquid carrying method and apparatus
A liquid carrying method is to carry liquid by pressure exerted by the creation of air bubble, which comprises the step of using an apparatus provided with a first liquid flow path for enabling the...
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6206508 |
Liquid ejecting method, liquid ejecting head, and head cartridge using same
A liquid ejecting method using a liquid ejection head having a movable member disposed faced to a bubble generating region and having a free end at a downstream side thereof with respect to a flow...
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6203143 |
Hydroxyalkylated high performance curable polymers
Disclosed is a composition which comprises (a) a polymer containing at least some monomer repeat units with photosensitivity-imparting substituents which enable crosslinking or chain extension of...
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6199972 |
Liquid discharging method, liquid discharging head, and head cartridge and liquid discharging apparatus using said liquid discharging head
This specification discloses a liquid discharging method of discharging liquid from a discharge port for discharging the liquid by a liquid discharging element in a first liquid flow path...
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6196667 |
Liquid discharging head, method of manufacturing the liquid discharging head, head cartridge carrying the liquid discharging head thereon and liquid discharging apparatus
A liquid discharging head has at least a discharge port for discharging liquid therefrom, a liquid flow path communicating with the discharge port to supply the liquid to the discharge port, a...
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6193359 |
Ink jet print head containing a radiation curable resin layer
An ink jet print head having ink passage ways formed in a radiation cured resin layer which is attached to a substrate and to a phenoxy butryal surface of a nozzle plate. The passageways are...
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6190005 |
Method for manufacturing an ink jet head
A method for manufacturing plural liquid jet recording heads, each head having a substrate with ejection energy generating elements corresponding to liquid passages and a liquid supply groove for...
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6183068 |
Liquid discharging head, head cartridge, liquid discharging device, recording system, head kit, and fabrication process of liquid discharging head
A liquid discharging head comprises a discharge opening for discharging a liquid, a bubble generation region for generating a bubble in a liquid, and a movable member disposed so as to face the...
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6183067 |
Inkjet printhead and fabrication method for integrating an actuator and firing chamber
An inkjet printhead and fabrication method include integrating actuators and ink firing chambers on a single substrate, such as a semiconductor substrate. The integration process utilizes...
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6183069 |
Ink jet printhead having a patternable ink channel structure
An ink jet printhead is disclosed which has a heater plate containing the heating elements and driving circuitry means monolithographically formed on one surface thereof and the ink flow directing...
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6179414 |
Ink delivery system for an inkjet printhead
This invention provides an improved ink flow path between an ink reservoir and vaporization chambers in an inkjet printhead. In the preferred embodiment, a barrier layer containing ink channels and...
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6179411 |
Ink jet recording head and an ink jet recording apparatus
An ink jet recording head comprises a discharge port for discharging ink, two electrothermal converting elements for generating thermal energy utilized for discharging the ink, and an ink flow path...
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6177238 |
Ink jet printheads containing arylene ether alcohol polymers and processes for their formation
Disclosed is an ink jet printhead containing a polymer of the formula ##STR1## wherein P is a substituent which enables crosslinking of the polymer, a, b, c, and d are each integers of 0, 1, 2, 3,...
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6176012 |
Method for manufacturing an ink jet recording head and an ink jet recording head
A method for manufacturing an ink jet recording head, which is provided with a plurality of ink paths structured by bonding a second substrate having a plurality of grooves arranged thereon to form...
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6174050 |
Liquid ejection head with a heat generating surface that is substantially flush and/or smoothly continuous with a surface upstream thereto
A liquid ejection head has a heat generating surface for generating heat for generating bubbles in liquid, the heat generating surface being substantially flush and/or smoothly continuous with an...
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6174049 |
Bubble jet head and bubble jet apparatus employing the same
Each of branched ink supply passages 42ai to 42an and 42bi to 42bn in a driving substrates 32 is constituted of a parallel passage portion 46a and a narrow passage portion 48a. An ink from an ink...
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6168264 |
Manufacturing method for the liquid ejection head
A manufacturing method for a liquid ejecting unit having a comb-like separation wall, a displaceable member and a grooved member mating with the comb-like separation wall includes engaging the...
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6164762 |
Heater chip module and process for making same
A heater chip module is provided comprising a carrier adapted to be secured to an ink-filled container, at least one heater chip having a base coupled to the carrier, and at least one nozzle plate...
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6158846 |
Forming refill for monolithic inkjet printhead
A refill channel for multiple rows of nozzles is formed in a silicon die by thinning the die in the vicinity of the rows, then etching respective trenches within the thinned portion of the die....
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6155677 |
Ink jet recording head, an ink jet unit and an ink jet apparatus using said recording head
An ink jet head for performing recording by discharging inks comprises an element substrate provided with a plurality of discharge energy generating elements for discharging the inks and a grooved...
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6155676 |
High-durability rhodium-containing ink cartridge printhead and method for making the same
A printhead with improved durability characteristics and a method for making the same. A substrate is provided which includes an ink ejector system and a barrier layer. An orifice plate having a...
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6154237 |
Liquid ejecting method, liquid ejecting head and liquid ejecting apparatus in which motion of a movable member is controlled
A liquid ejecting method for ejecting liquid by generation of a bubble includes preparing a head comprising an ejection outlet for ejecting the liquid, a bubble generation region for generating the...
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6151042 |
High performance polymer compositions
Disclosed is a composition comprising a polymer with a weight average molecular weight of from about 1,000 to about 100,000, said polymer containing at least some monomer repeat units with a first,...
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6151049 |
Liquid discharge head, recovery method and manufacturing method for liquid discharge head, and liquid discharge apparatus using liquid discharge head
According to the present invention, the liquid discharge head comprises a first liquid flow path communicating with a discharge opening for discharging liquid, a second liquid flow path having a...
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