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7325309 |
Method of manufacturing a fluid ejection device with a dry-film photo-resist layer
Methods of manufacturing a fluid ejection device comprise, in one embodiment, forming filler structures on a substrate and laminating a dry film onto the substrate over the filler structures. The...
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6749762 |
Bubble-jet type ink-jet printhead and manufacturing method thereof
A bubble-jet type ink-jet printhead, and a manufacturing method thereof are provided, wherein, the printhead includes a substrate integrally having an ink supply manifold, an ink chamber, and an...
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6685846 |
Bubble-jet type ink-jet printhead, manufacturing method thereof, and ink ejection method
A bubble-jet type ink-jet printhead, a manufacturing method thereof and a method of ejecting ink, wherein, in the printhead, a manifold supplying ink, a hemispherical ink chamber, and an ink...
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6684504 |
Method of manufacturing an imageable support matrix for printhead nozzle plates
An imageable support matrix for printhead nozzle plates and a method for manufacturing the printhead. The ink jet printhead comprises a substrate including an ink via therein; a first layer of...
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6644789 |
Nozzle assembly for an ink jet printer
An ink jet nozzle assembly includes a heater substrate and a nozzle plate. The nozzle plate includes a first resist layer having a first side laminated onto the heater substrate. The first resist...
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6533197 |
Device for discharging raw material-fuel
A device for discharging raw material-fuel includes a pressurizing means for discharging a liquid, a pressure application room ( 1 ) in fluid communication with a discharge nozzle, and a liquid...
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6507002 |
Method for processing discharge nozzle of liquid jet recording head and method for manufacturing the same head
A method for processing a discharge nozzle of a liquid jet recording head includes bringing a mask plate on which the shape of an ejection orifice to be formed is patterned into close contact with...
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6499832 |
Bubble-jet type ink-jet printhead capable of preventing a backflow of ink
A bubble-jet type inkjet printhead, a manufacturing method thereof and a method of ejecting ink, wherein, in the printhead, a manifold supplying ink, a hemispherical ink chamber, and an ink channel...
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6467878 |
System and method for locally controlling the thickness of a flexible nozzle member
The present invention is embodied in a system and method for locally controlling the thickness of a flexible nozzle member of a printhead portion of an inkjet printer. The printing system of the...
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6412918 |
Back-shooting inkjet print head
A back-shooting inkjet print head. The inkjet print head comprises: a first substrate having a plurality of thermal resistors formed on a back surface thereof, and a plurality of orifices formed...
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6409308 |
Method of forming an inkjet printhead nozzle structure
A method of forming one or more nozzles in a substrate used, for example, as a nozzle plate in an inkjet printhead of a thermal inkjet printer, using laser ablation, An opaque mask is interposed...
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6387601 |
Method for manufacturing an ink jet recording head, and an ink jet recording head manufactured by such method
A method for manufacturing an ink jet recording head, which is provided with a ceiling plate having grooves of locally different depth to form ink paths arranged for each of discharge ports; and a...
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6323456 |
Method of forming an ink jet printhead structure
A method for making an inkjet printhead nozzle plate from a composite strip containing a nozzle layer and an adhesive layer is disclosed. The adhesive layer is coated with a polymeric sacrificial...
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6283584 |
Ink jet flow distribution system for ink jet printer
The invention provides a flow feature structure for an ink jet printer. The structure includes a polymeric nozzle plate having a nozzle plate thickness, the nozzle plate containing a plurality of...
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6229114 |
Precision laser cutting of adhesive members
A process for precision patterning or cutting of a sheet stock, such as an adhesive tape, includes the step of irradiating a surface of a sheet stock with an irradiation source to pattern or cut a...
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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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6158843 |
Ink jet printer nozzle plates with ink filtering projections
A nozzle plate for a printhead of a thermal inkjet printer having a thickness sufficient to provide a plurality of nozzle holes above a plurality of firing chambers. Ink supply channels, for...
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6130009 |
Apparatus and process for nozzle production utilizing computer generated holograms
An apparatus and process for generating precision ink jet nozzle arrays in substrates is disclosed. The apparatus includes laser output through an alignment path, power monitor, expansion telescope...
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6083411 |
Method for forming a hole and method for forming nozzle in orifice plate of printing head
A method of forming adjacent ink and dilution solution nozzles in an orifice plate includes first providing an orifice plate having a thickness dimension. A first nozzle is then formed having a...
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6071677 |
Manufacturing method of liquid jet recording head using a laser working method
A laser working method which can easily and accurately work a fine and complicated shape by irradiation of a laser beam is provided. When a plurality of channel grooves are laser worked on a second...
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6019457 |
Ink jet print device and print head or print apparatus using the same
An ink jet print device includes a passageway for flowing ink having an outlet for ejecting ink at one end. The passageway has a portion where the cross-sectional dimensions of the passageway...
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6003977 |
Bubble valving for ink-jet printheads
The configuration of an ink inlet through which flows ink into a chamber for expulsion from the chamber by a thermal process is such that a vapor bubble generated by the thermal process to eject...
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5988786 |
Articulated stress relief of an orifice membrane
An orifice membrane is provided an articulation parallel to the rows of orifices and between the area of the orifice membrane secured to the cartridge body and the area of the orifice membrane...
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5980026 |
Process for production of ink jet head
A process for producing an ink jet head comprises the steps of providing a substrate provided with a liquid discharge energy-generating portion, forming a photosensitive resin layer on the...
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5872582 |
Microfluid valve for modulating fluid flow within an ink-jet printer
A valve device is incorporated within a printhead of an ink-jet pen for regulation of ink flow and pressure within the printhead. The valve device includes a valve member comprising a resiliently...
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5811019 |
Method for forming a hole and method for forming nozzle in orifice plate of printing head
A method for a hole inclined relative to the direction of thickness of a workpiece by light energy. A groove is formed in an energy-concentrated portion of a plate as a workpiece for opening on a...
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5755032 |
Method of forming an inkjet printhead with channels connecting trench and firing chambers
A method to eliminate ink trajectory errors when an inkjet printhead is fabricated is disclosed. In a preferred embodiment, a nozzle member containing an array of orifices is affixed to a barrier...
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5548894 |
Ink jet head having ink-jet holes partially formed by laser-cutting, and method of manufacturing the same
A method of manufacturing an ink jet head including an ink-chamber member having ink chambers, and a nozzle plate secured to a front end face of the ink-chamber member and which has ink-jet holes...
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5539175 |
Apparatus and process for optically ablated openings having designed profile
A method and apparatus is disclosed for laser ablation of openings with a specified wall profile in materials such as polyimide. The method includes identifying the opening profile of choice. This...
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5537133 |
Restraining element for a print cartridge body to reduce thermally induced stress
In one embodiment, a metal restraining element is used to reduce thermal expansion/contraction stress between a nozzle member and a print cartridge body. In a preferred embodiment, a nozzle member...
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5506608 |
Print cartridge body and nozzle member having similar coefficient of thermal expansion
In a preferred embodiment, a nozzle member containing an array of orifices has a substrate, having heater elements formed thereon, affixed to a back surface of the nozzle member. The back surface...
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5469199 |
Wide inkjet printhead
A novel, wide inkjet printhead and method of forming said inkjet printhead is disclosed, wherein a pattern of orifices are formed, using a step-and-repeat process, in a flexible tape using laser...
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5467115 |
Inkjet printhead formed to eliminate ink trajectory errors
A method is provided to eliminate ink trajectory errors when an inkjet printhead is fabricated as described below. In a preferred embodiment, a nozzle member containing an array of orifices is...
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5450113 |
Inkjet printhead with improved seal arrangement
This invention provides an improved ink seal between a print cartridge body and an inkjet printhead. In a preferred embodiment, a nozzle member containing an array of orifices has a substrate,...
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5408738 |
Method of making a nozzle member including ink flow channels
In one of the preferred embodiments, an inkjet printhead includes a nozzle member formed of a polymer material that has been laser-ablated to form inkjet orifices, ink channels, and vaporization...
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