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7607759 |
Inkjet printhead and method of manufacturing the same
An inkjet printhead and a method of manufacturing the same. In the inkjet printhead, a substrate includes an ink chamber formed in a top surface to contain ink to be ejected, an ink feedhole formed...
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7600859 |
Inkjet printhead and manufacturing method thereof
An inkjet printhead and a manufacturing method thereof. In the manufacturing method, a chip and a porous material are provided. A heating layer is formed on the chip. A conductive layer is formed...
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7600858 |
Micro-fluid ejection head structure
A method of making a micro-fluid ejection head structure for a micro-fluid ejection device. The method includes applying a removable mandrel material to a semiconductor substrate wafer containing...
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7600857 |
Liquid discharge head
A liquid discharge head includes a discharge element substrate including an energy generating element that generates energy for discharging liquid, a discharge port provided so as to correspond to...
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7600856 |
Liquid ejector having improved chamber walls
A liquid drop ejector includes a substrate and a plurality of liquid chambers. Portions of the substrate define a liquid supply. Each liquid chamber is positioned over the substrate and includes a...
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7588320 |
Droplet ejection device and method using electrostatic field
Disclosed are a droplet ejection device and method using an electrostatic field. The droplet ejection method includes: setting a separate electric field direction in each of a plurality of nozzles;...
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7585055 |
Integrated printhead with polymer structures
A printhead manufacturing method includes providing a first wafer, forming a polymer layer over the first wafer, the polymer layer including at least one via, providing a metal layer over the at...
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7585053 |
Thermal inkjet printhead
A thermal inkjet printhead includes a substrate, an insulation layer formed on the substrate, a heater formed on the insulation layer, a conductor formed on the heater to supply a current to the...
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7585052 |
Topography layer
An inkjet print-head is formed by selectively disposing a first layer on a substrate. The first layer and the substrate form a topography. A second layer is selectively disposed over the substrate...
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7575303 |
Liquid-ejection head and method for producing the same
A liquid-ejection head includes a substrate, an inlet formed through the substrate, an outlet for ejecting a liquid, a flow channel leading to the outlet, and a pressure-generating part including a...
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7571979 |
Thick film layers and methods relating thereto
Thick film layers for a micro-fluid ejection head, micro-fluid ejection heads, and methods for making micro-fluid ejection head and thick film layers. One such thick film layer is derived from a...
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7559630 |
Substantially planar fluid ejection actuators and methods related thereto
Fluid ejection actuators, micro-fluid ejection heads, and methods relating thereto. One such fluid ejection actuator is provided by a conductive layer adjacent a substrate. The conductive layer has...
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7556358 |
Micro-electromechanical integrated circuit device with laminated actuators
A micro-electromechanical integrated circuit includes a substrate. Drive circuitry is positioned on the substrate. The device includes a plurality of elongate actuators. Each actuator includes a...
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7556348 |
Inkjet printhead incorporating nozzles which, together with endless walls, define nozzle chambers
A printhead is provided for an inkjet printer. The printhead includes a substrate assembly defining ink inlet channels. Endless walls extend from the substrate assembly to surround respective ink...
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7552534 |
Method of manufacturing an integrated orifice plate and electroformed charge plate
An integrated orifice array plate and a charge plate is fabricated for a continuous ink jet print head by providing an electrically non-conductive orifice plate substrate having first and second...
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7549724 |
Printhead assembly with multi-layered support structure
A printhead assembly includes a printhead. The printhead includes a carrier which carries an integrated circuit (IC) configured to eject ink. The carrier defines a plurality of ink passages each in...
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7549225 |
Method of forming a printhead
A method of bonding two semiconductor substrates to form a printhead includes aligning a top surface of a first substrate with a second substrate, wherein the first substrate has a fluid channel in...
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7549224 |
Methods of making slotted substrates
The described embodiments relate to slotted substrates and methods of making the slotted substrates. One exemplary method patterns a first set of dummy features in a first layer positioned over a...
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7543915 |
Fluid ejection device
A method for manufacturing a fluid ejection device includes providing a sacrificial structure substantially overlying a semiconductor substrate. The structure has a shape configured to define an...
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7533969 |
Ink jet print head substrate, ink jet print head, ink jet printing apparatus, and method of manufacturing ink jet print head substrate
An ink jet print head substrate capable of precisely blowing fuse element to store data reliably is provided. An ink jet print head incorporating such a substrate and an ink jet printing apparatus...
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7527360 |
Structure of inkjet-head chip
A structure of inkjet-head chip and a method for making the same are disclosed. Driven by the need of making a thin insulator layer to lower the working power of the inkjet-head chip, we separately...
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7517060 |
Fluid-ejection devices and a deposition method for layers thereof
A cavitation structure for a print head has a first dielectric layer overlying at least a first portion of a substrate. A second dielectric layer has a first portion overlying at least a second...
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7517058 |
Ink jet recording head having structural members in ink supply port
An ink jet recording head has sufficient and uniform ink refill for all orifices and separate flow paths even though the substrate has high rigidity by dividing a supply port into a plurality of...
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7517051 |
Method of fabricating ink jet head and ink jet head fabricated thereby
A method of fabricating an ink jet head and an ink jet head fabricated thereby. The method includes preparing a substrate having a flow path region, a flow path structure region to define the flow...
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7513601 |
Liquid discharge head and method of manufacturing the same
With the liquid discharge head, a discharge speed of liquid droplets is increased, a discharge amount of liquid droplets is stabilized, and a discharge efficiency of the liquid droplets is...
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7510270 |
Thermal ink jet printhead with wide heater element
There is disclosed an ink jet printhead which comprises a plurality of nozzles 3 and a bubble forming chamber 7 corresponding to each nozzle respectively. At least one heater element 10 ...
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7490924 |
Drop generator for ultra-small droplets
A drop generator includes a substrate, and a mandrel that is disposed on the substrate for shaping the drop generator chamber. The mandrel is covered by the orifice member and thereafter removed.
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7470005 |
Nozzle arrangement with a movement sensor for an inkjet printer
The invention provides for a nozzle arrangement for an inkjet printer. The nozzle arrangement includes a substrate defining a chamber with an ink inlet and ejection port, said substrate having a...
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7470001 |
Thermal inkjet printhead apparatus to regulate pressure exerted by bubbles in an ink chamber and method thereof
A thermal inkjet printhead. The inkjet printhead includes a heater that heats an ink in an ink chamber to generate a bubble, conductors to supply an electric current to the heater, and a bubble...
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7469995 |
Printhead integrated circuit having suspended heater elements
An inkjet printhead integrated circuit includes a multi-layer substrate that defines a plurality of ink inlet passages and incorporates drive circuitry. Side walls extend from the substrate. A...
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7465037 |
Printhead with rectifying valve at ink chamber inlet
An inkjet printhead that has
an array of ink chambers, each having an ink refill aperture, a nozzle and an actuator for ejecting ink through the nozzle, and, a fluid flow rectifying valve at...
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7465027 |
Nozzle arrangement for a printhead integrated circuit incorporating a lever mechanism
The invention relates to a nozzle arrangement for a printhead integrated circuit, the arrangement having walls defining a chamber and a roof with an ink ejection port defined in a substrate that...
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7452474 |
Method of manufacturing substrate for ink jet recording head and method of manufacturing recording head using substrate manufactured by this method
In order to form a more homogenous heat generating resistive layer, the present invention provides a method of manufacturing a substrate for an ink jet recording head having a support which has an...
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7452058 |
Substantially planar ejection actuators and methods relating thereto
A substantially planar fluid ejection actuator and methods for manufacturing substantially planar fluid ejection actuators for micro-fluid ejection heads. One such fluid ejection actuator includes...
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7445317 |
Inkjet printhead with droplet stem anchor
An inkjet printhead that has an array of ink chambers, each having a nozzle, a droplet stem anchor and an actuator for ejecting ink through the nozzle. During use, the ink ejected from the nozzle...
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7431434 |
Fluid ejection device
A fluid ejection device includes a fluid chamber, a fluid restriction communicated with the fluid chamber, and a fluid channel communicated with the fluid restriction, wherein a width of the fluid...
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7431431 |
Self passivating transition metal nitride printhead heaters
A thermal inkjet printhead with heater elements formed from a self passivating transition metal nitride, but it oxidizes readily. By introducing an additive that allows the metal nitride to self...
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7423073 |
Radiation curable compositions having improved flexibility
A radiation curable resin composition having improved flexibility. The radiation curable composition having from about 5 to about 50 weight percent of a difunctional polymeric compound; from about...
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7419257 |
Ink jet recording method and ink jet recording apparatus
An ink jet recording method and an ink jet recording apparatus permitting image formation with a high degree of color reproducibility while alleviating the influences of the ink-absorbency of the...
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7419250 |
Micro-electromechanical liquid ejection device
A micro-electromechanical device for ejecting liquid, such as ink, having a plurality of nozzle arrangements, each nozzle arrangement having a nozzle chamber, an actuator for ejecting the liquid...
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7413915 |
Micro-fluid ejection head containing reentrant fluid feed slots
Methods of micro-machining a semiconductor substrate to form through fluid feed slots therein. One method includes providing a semiconductor substrate wafer having a thickness greater than about...
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7413289 |
Low energy, long life micro-fluid ejection device
Micro-fluid ejection heads and methods for extending the life of micro-fluid ejection heads. One such micro-fluid ejection head includes a substrate having a plurality of thermal ejection...
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7407272 |
Ink jet head substrate and ink jet head having metal carbon nitride resistor
An ink jet head substrate, an ink jet head and method of manufacturing the ink jet head substrate. The ink jet head substrate includes a supporting structure and at least one heat-generating...
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7393084 |
Substrate for ink jet head with TaCr alloy protective layer, ink jet head utilizing the same and producing method therefor
For improving adhesion between a protective layer having a portion coming into contact with ink in a substrate for an ink jet head, and a resin layer thereby ensuring reliability in quality over a...
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7390079 |
Device mounting structure, device mounting method, electronic apparatus, liquid droplet ejection head, and liquid droplet ejection apparatus
A device mounting structure includes: a base; a unit having a mounting area on which a device is mounted; a projection formed on a face of the unit; a first wiring disposed on the unit and between...
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7390078 |
Reduction of heat loss in micro-fluid ejection devices
The present disclosure is directed to a micro-fluid ejection head for a micro-fluid ejection device. The head includes a semiconductor substrate, a fluid ejection actuator supported by the...
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7387370 |
Microfluidic architecture
A microfluidic architecture is disclosed. The microfluidic architecture includes a substrate having an edge and a thin film stack established on at least a portion of the substrate adjacent the...
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7380914 |
Fluid ejection assembly
A fluid ejection assembly includes a first layer, and a second layer positioned on a side of the first layer. The second layer has a side adjacent the side of the first layer and includes barriers...
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7377629 |
Liquid discharge head with filter structure
The present invention can suppress penetration of dust and foreign particles into a nozzle of an ink jet recording head, and can manufacture and make functional a structure therefor in an economic...
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7377625 |
Method for producing ink-jet recording head having filter, ink-jet recording head, substrate for recording head, and ink-jet cartridge
In a method for producing an ink-jet recording head, a plurality of through-holes is formed in a heat storage layer formed on one surface of a silicon substrate, subsequently, heating elements are...
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