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7595004 |
Ink jet printhead and relative manufacturing process
The chambers ( 42 ) and each corresponding ink feeding duct ( 56 ), made in a structural layer of photosensitive resin ( 38 ), are delimited by a flat bottom wall ( 36 ) made of a protective layer...
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7588693 |
Method of modifying an etched trench
A process for facilitating modification of an etched trench is provided. The process comprises: (a) providing a wafer comprising an etched trench, the trench having a photoresist plug at its base;...
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7585423 |
Liquid discharge head and producing method therefor
A liquid discharge head includes, on a same substrate, pressure generating chambers, nozzle apertures communicating with the pressure generating chambers through nozzle communicating pans, and a...
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7585421 |
Method of producing a sheet comprising through pores and the application thereof in the production of micronic and submicronic filters
The method comprises the following steps:
preparing a sheet having thickness of 5 μm to a few tens of micrometers, suitable for being etched by a lithographic operation; making a mask on a...
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7578943 |
Liquid discharge head and producing method therefor
A loss in the rigidity of a substrate for a liquid discharge head having nozzles at a high density can be suppressed. A liquid discharge head includes plural pressure generating chambers...
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7571970 |
Self-aligned precision datums for array die placement
A method and resulting device for accurately positioning an array of die modules in an imaging array, including larger partial width arrays and full page width arrays, is described herein. The...
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7571525 |
Method of manufacturing liquid-jet head and liquid-jet head
Included are the steps of: forming piezoelectric elements on a surface of a passage-forming substrate with a vibration plate in between, and forming a penetrating portion by removing an area in the...
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7568285 |
Method of fabricating a self-aligned print head
An orifice array plate and a charge plate for a continuous ink jet printer print head are integrally fabricated by providing an electrically non-conductive substrate; forming, on one side of the...
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7566118 |
Print head with thin membrane
A microfabricated device and method for forming a microfabricated device are described. A thin membrane including silicon is formed on a silicon body by bonding a silicon-on-insulator substrate to...
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7562452 |
Method for manufacturing a liquid ejection element
A manufacturing method for manufacturing a liquid ejection element including a liquid flow path which is open at an ejection outlet for ejecting liquid, and an energy generating member for...
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7560224 |
Method of manufacturing liquid discharge head, and liquid discharge head
According to the present invention, there are provided an ink jet recording head capable of performing high-precision printing and recording and having a high reliability, and a method of...
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7560223 |
Fluid ejection device structures and methods therefor
Methods of forming a fluid channel in a semiconductor substrate may include providing a semiconductor substrate having a backside and a device side, wherein the device side is configured to secure...
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7560039 |
Methods of deep reactive ion etching
A method of substantially simultaneously forming at least two fluid supply slots through a thickness of semiconductor substrate from a first surface to a second surface thereof. The method includes...
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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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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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7549223 |
Method for manufacturing a liquid ejection head
The method for manufacturing a liquid ejection head comprising a diaphragm which serves as portions of pressure chambers connected to nozzles through which liquid is ejected, and piezoelectric...
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7533463 |
Process for manufacturing a monolithic printhead with truncated cone shape nozzles
A process for manufacturing a monolithic thermal ink jet printhead ( 40 ) comprising a plurality of chambers ( 74 ) and of nozzles ( 56 ), comprises steps of ( 206 ) depositing a plurality of...
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7531047 |
Method of removing residue from a substrate after a DRIE process
The present disclosure provides a method of cleaning a semiconductor substrate after a DRIE etch process, wherein residue from the DRIE process is removed without damaging the substrate. The...
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7526863 |
Method for manufacturing a microstructure
A method for manufacturing a microstructure comprises the steps of forming positive type resist layer (PMMA) on a base plate having heater formed thereon; forming positive type resist layer (PMIPK)...
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7523553 |
Method of manufacturing ink jet recording head
A method of manufacturing an ink jet recording head includes the steps of forming adhesive layers and side walls of a flow path on a substrate; pasting a ceiling layer, which is a part of a flow...
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7516549 |
Nozzle plate producing method
A method for producing a nozzle plate comprises a liquid-repellant coat removal step for conducting a plasma treatment to each chip from a same side as a liquid droplet ejecting surface under an...
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7506442 |
Method of fabricating inkjet printhead
A method of fabricating an inkjet printhead. The method of fabricating an inkjet printhead includes sequentially forming an insulating layer, a heater, and an electrode on a substrate and forming a...
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7503114 |
Method for producing ink jet head
A method for producing an ink jet head including, on a substrate, a piezoelectric element for discharging an ink from a discharge port, and an ink flow path communicating with the discharge port so...
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7501070 |
Slotted substrate and method of making
The described embodiments relate to a slotted substrate for use in a fluid ejecting device. One exemplary embodiment includes a substrate having a thickness between generally opposing first and...
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7497962 |
Method of manufacturing liquid discharge head and method of manufacturing substrate for liquid discharge head
A method of manufacturing a liquid discharge head, which includes a pressure generating chamber, a discharge port, and a piezoelectric element formed of a pair of electrode films sandwiching a...
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7497960 |
Method for manufacturing a filter
A method for manufacturing a filter is provided which can easily manufacture the filter that has both excellent anti-corrosion properties and anti-abrasion properties. In the method, a first...
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7494596 |
Measurement of etching
Methods and apparatus for determining the extent of etching in material by locating a detector element adjacent to a portion of the material that is to be etched. The width of the element varies....
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7494594 |
Method of manufacturing an electrostatic actuator
An electrostatic actuator for increasing a swing (deflection angle) of a movable structure includes a laminate substrate in which a thin film silicon layer is formed on a silicon substrate through...
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7490405 |
Method for manufacturing a liquid droplet discharge head.
The liquid droplet discharge head comprises: a piezoelectric actuator shaped in a cylinder having a hollow part; a pressure chamber shaped in a cylinder formed in the hollow part of the...
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7481943 |
Method suitable for etching hydrophillic trenches in a substrate
A method suitable for etching hydrophilic trenches into a substrate, such as silicon, is provided. The method comprises etching and sidewall passivation processes for achieving anisotropy....
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7481942 |
Monolithic ink-jet printhead and method of manufacturing the same
An ink-jet printhead and a method of manufacturing the same include a substrate on which a heater and a passivation layer protecting the heater are formed, a passage plate on which an ink chamber...
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7478476 |
Methods of fabricating fit firing chambers of different drop wights on a single printhead
Inkjet printheads capable of printing smaller and larger drop-weight quantities of ink, and methods of manufacturing the inkjet printheads, are disclosed. The inkjet printhead includes a substrate....
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7470375 |
Method for manufacturing liquid ejection head, substrate for liquid ejection head, and liquid ejection head
A method for precisely manufacturing a liquid supply orifice of an ink-jet recording head, even if a masking material includes pinholes which may affect the forming of the ink supply orifice, is...
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7468140 |
Method of protecting nozzle guarded printhead during fabrication
A method of fabricating a printhead is provided in which sacrificial material is deposited on a substrate having printing nozzles formed thereon so that a first portion of the sacrificial material...
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7468139 |
Method of depositing heater material over a photoresist scaffold
A method of forming a nozzle for an inkjet printhead is provided. The nozzle comprises a suspended heater element, which is formed by depositing heater material over a sacrificial photoresist...
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7465405 |
Method of fabricating printheads having multiple nozzle assemblies
A method of fabricating printheads each having a plurality of nozzle assemblies positioned on a substrate from a plurality of sets of the nozzle assemblies positioned on the substrate includes the...
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7465404 |
Ink-jet printhead and method for manufacturing the same
An ink-jet printhead includes a substrate on which an ink chamber to be supplied with ink to be ejected is formed on a front surface of the substrate, a manifold for supplying ink to the ink...
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7465403 |
Ink jet head including a metal chamber layer and a method of fabricating the same
A method of fabricating an ink jet head having a metal chamber layer includes preparing a substrate having pressure-generating elements to generate pressure to eject ink ejection. The metal chamber...
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7464466 |
Method of fabricating inkjet nozzle chambers having filter structures
A method of fabricating a plurality of inkjet nozzles on a substrate. The method comprises the steps of: (a) providing a substrate having a plurality of trenches corresponding to ink inlets; (b)...
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7464465 |
Method of forming low-stiction nozzle plate for an inkjet printhead
A method of forming a low-stiction nozzle plate for an inkjet printhead, said nozzle plate having a plurality of nozzle apertures defined therein, each nozzle aperture having a respective nozzle...
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7462500 |
Manufacturing method of ink jet recording head and ink jet recording head manufactured by manufacturing method
A manufacturing method of an ink jet recording head including a discharge port for discharging ink includes the step of forming the discharge port by performing dry etching of a discharge port...
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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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7442318 |
Method of making thermal print head
A method of manufacturing a thermal print head includes a conductor layer formation step, a first measurement step, a conductor layer splitting step and a second measurement step. In the conductor...
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7442317 |
Method of forming a nozzle rim
A method of forming a nozzle rim for a nozzle aperture is provided. The method is suitable for forming part of a printhead fabrication process. The method comprises the steps of: (a) depositing a...
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7437820 |
Method of manufacturing a charge plate and orifice plate for continuous ink jet printers
A charge plate is fabricated for a continuous ink jet printer print head by applying an etch-stop to one of the opposed sides of an electrically non-conductive substrate. An array of charging...
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7429336 |
Inkjet printheads
A method of making an inkjet printhead comprising providing a substrate having first and second opposite surfaces, providing a support member, bonding the second surface of the substrate to the...
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7429335 |
Substrate passage formation
A method for forming an opening through a substrate includes removing a first portion of a first face of a substrate to form a first recessed surface oblique to the first face and removing a second...
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7419610 |
Method of partial depth material removal for fabrication of CPP read sensor
A method for fabricating a read head sensor for a magnetic disk drive is presented. The method includes providing a layered wafer stack to be shaped, where the layered wafer stack includes a free...
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7416675 |
Method of fabricating inkjet print heads
A method of fabricating inkjet print heads usable in an ink jet printer. The method of fabricating ink jet print heads includes preparing a plurality of ink jet print heads on a wafer while forming...
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