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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...
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;...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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)...
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...
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...
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...
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...
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...
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...
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...
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....
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...
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...
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....
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...
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....
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...
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...
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...
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...
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...
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...
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)...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...