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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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7413671 |
Method of fabricating a printhead integrated circuit with a nozzle chamber in a wafer substrate
A method of fabricating a printhead integrated circuit includes the step of forming a first layer of a polymeric material on a substrate that incorporates drive circuitry. A heater element is...
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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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7402256 |
Method for producing liquid-jet head
A method for producing a liquid-jet head comprises the steps of: forming a vibration plate and piezoelectric elements on one surface of a passage-forming substrate, and removing the vibration plate...
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7401405 |
Method of fabricating inkjet nozzles having associated ink priming features
A method of fabricating a plurality of inkjet nozzles on a substrate, each nozzle comprising a nozzle chamber having a roof spaced apart from said substrate and sidewalls extending from said roof...
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7389585 |
Method of manufacturing a liquid discharging head
A method for forming an ink jet recording head includes at least a step of forming an ink flow path pattern on a substrate by a photodecomposable positive type resist resin, a step of, once...
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7390421 |
Method for forming inkjet nozzles having a coiled thermal actuator mechanism
A nozzle of an ink jet printer is formed by initially providing a silicon wafer having a circuitry wafer layer including electrical circuitry necessary for the operation of the thermal actuators on...
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7381341 |
Method of manufacturing liquid jet head
Disclosed is a method of manufacturing a liquid jet head, which enables a passage-forming substrate to be easily handled, thus realizing good formation of pressure generating chambers and an...
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7381342 |
Method for manufacturing an inkjet nozzle that incorporates heater actuator arms
A method is provided for manufacturing an inkjet nozzle. The method includes the step of depositing a plastics material layer on a substrate incorporating heater actuator circuitry. The plastics...
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7380915 |
Ink jet recording head and producing method therefor
In an ink jet recording head of an excellent discharge ability and a producing method therefor, a lateral wall of an ink supply aperture is covered with a minimum necessary ink-resistant protective...
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7381340 |
Ink jet printhead that incorporates an etch stop layer
An ink jet printhead chip that is manufactured in accordance with an integrated circuit fabrication technique includes a wafer substrate that defines a plurality of nozzle chambers as a result of...
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7378030 |
Flextensional transducer and method of forming flextensional transducer
A method of forming an opening through a substrate having a first side and a second side opposite the first side includes forming a trench in the first side of the substrate, forming a mask layer...
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7374695 |
Method of manufacturing an inkjet nozzle assembly for volumetric ink ejection
A method is provided for manufacturing a printer nozzle. The method includes the step of depositing a metal layer upon a semi-conductor wafer. The metal layer defines a pair of protruding portions...
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7371591 |
Process for manufacturing liquid ejection head
A process includes forming a protective layer in a region of a substrate including a PAD electrode; forming a soluble resin layer in a region including a region on the substrate where an energy...
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7372145 |
Bonded assembly having improved adhesive bond strength
A bonded assembly is provided. The bonded assembly comprises: (a) a first substrate having a plurality of etched trenches defined in a first bonding surface; and (b) a second substrate having a...
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7368063 |
Method for manufacturing ink-jet printhead
In an ink-jet printhead and a method for manufacturing the same, the ink-jet printhead includes a substrate, an ink chamber to be filled with ink formed on a front surface of the substrate, a...
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7354522 |
Substrate etching method for forming connected features
A method of etching a substrate and an article(s) formed using the method are provided. The method includes providing a substrate; coating a region of the substrate with a temporary material having...
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7354521 |
Method of fabricating inkjet print head using photocurable resin composition
A method of fabricating an inkjet print head includes forming at least one energy generating element to eject ink on a substrate. A chamber layer and a nozzle layer are formed on the substrate,...
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7347952 |
Method of fabricating an ink jet printhead
An ink jet printhead chip includes a wafer substrate. A CMOS drive circuitry layer is positioned on the wafer substrate. A plurality of nozzle arrangements is positioned on the wafer substrate and...
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7341672 |
Method of fabricating printhead for ejecting ink supplied under pulsed pressure
A method of fabricating a printhead is provided in which sacrificial material is deposited on a drive circuitry substrate and etched to define first zones, thermally expandable material is...
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7338611 |
Slotted substrates and methods of forming
The described embodiments relate to slotted substrates and methods of forming same. One exemplary method forms a first slot portion into a first surface of a substrate, the first slot portion...
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7338580 |
Monolithic printhead with multiple ink feeder channels and relative manufacturing process
A thermal ink jet printhead ( 40 ) for the emission of drops of ink on a print medium ( 46 ) comprises a tank ( 103 ) containing ink ( 142 ), a lamina ( 67 ), a groove ( 45 ) and a plurality of...
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7334335 |
Method of manufacturing a monolithic ink-jet printhead
A monolithic ink-jet printhead, and a method of manufacturing the same, includes a substrate having an ink chamber, an ink channel, and a manifold, a nozzle plate formed on the substrate, a nozzle,...
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7335463 |
Electroplated three dimensional ink jet manifold and nozzle structures using successive lithography and electroplated sacrificial layers
Mechanical and/or structural devices are formed using electroplating techniques in conjunction with sacrificial materials that can also be formed using electroplated techniques. This can produce...
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7332100 |
Process for protectively coating hydraulic microcircuits against agressive liquids, particularly for an ink jet printhead
Process for protectively coating against aggressive liquids hydraulic microcircuits made in a resin, particularly for an ink jet printhead, consisting of: disposing of a silicon substrate...
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7329363 |
Method of forming a hydrophobic coating layer on a surface of a nozzle plate for an ink-jet printhead
A method of forming a hydrophobic coating layer on a surface of a nozzle plate for an ink-jet printhead includes preparing a nozzle plate having a nozzle, forming a metal layer on a surface of the...
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7326357 |
Method of fabricating printhead IC to have displaceable inkjets
A method of fabricating an inkjet printhead IC is provided which includes etching a circuitry layer to define first regions, depositing thermally expandable material thereover, etching the...
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7325310 |
Method for manufacturing a monolithic ink-jet printhead
A method for manufacturing an ink-jet printhead by coating a first photosensitive photoresist on the substrate and forming a passage plate, forming an ink chamber and an ink passage on the passage...
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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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7326356 |
Substrate and method of forming substrate for fluid ejection device
A method of forming an opening through a substrate having a first side and a second side opposite the first side includes abrasive machining a first portion of the opening into the substrate from...
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7322104 |
Method for producing an ink jet head
An ink jet head includes a substrate having a flow path construction member constructing a plurality of discharge ports for discharging ink and a plurality of ink flow paths corresponding thereto,...
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7323115 |
Substrate processing method and ink jet recording head substrate manufacturing method
A substrate (wafer) processing method for producing an ink jet recording head substrate in which the reverse surface thereof, that is, the surface having the larger of the two openings of the ink...
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7318277 |
Method of manufacturing a liquid jet head
A method of manufacturing a liquid jet head includes the steps of: forming a piezoelectric element on one plane of a passage-forming substrate with a vibration plate interposed therebetween, and...
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7311503 |
Micromachined fluidic device and method for making same
The fluid-flow device ( 100 ) of the invention comprises a stack ( 30 ) covered by a closure wafer ( 20 ), said stack ( 30 ) comprising a support wafer ( 36 ), a layer of insulating material ( 34...
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7311386 |
Die attach methods and apparatus for micro-fluid ejection device
A micro-fluid ejection device structure, a multi-fluid cartridge containing the ejection device structure, and methods for making the ejection device structure and cartridge. The ejection device...
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7306742 |
Patterning method, patterning apparatus, patterning template, and method for manufacturing the patterning template
A template 1 is brought close to or in contact with a surface to be patterned 111 and patterns are formed with liquid 62 on the surface 111 . This method comprises the steps of: bringing the...
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7305764 |
Method of manufacturing an ink-jet recording head
An ink-jet recording head has a plate-shaped member including a first layer with a partition wall formed by a first etching process and defining a pressure chamber, an ink inlet passage and a...
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7306744 |
Method of manufacturing a nozzle plate
A method of manufacturing a nozzle plate 2 is disclosed. The nozzle plate 2 has a plurality of nozzle openings 22 through each of which a droplet is adapted to be ejected. The method includes...
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7303689 |
Method of manufacturing a nozzle assembly
A method of manufacturing a nozzle assembly, the method comprising the steps of depositing a first dielectric layer 18 on a substrate 16 , depositing a first metal layer 102 at least partially...
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7300596 |
Method of manufacturing liquid discharge head
The method of manufacturing a recording head has a flow path wall forming step of forming flow path walls on a substrate having energy generating elements formed thereon, an imbedded material...
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7296350 |
Method for fabricating a drop generator
A method for fabricating a drop generator with a uniquely formed nonconductive mandrel, which when encapsulated with electroplated metal, shapes and defines the internal ink channel entails...
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7293359 |
Method for manufacturing a 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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7290336 |
Method of fabricating an array of multi-electroded piezoelectric transducers for piezoelectric diaphragm structures
A circuit provides energy to a plurality of piezoelectric diaphragm structures formed in a two-dimensional array. Each piezoelectric diaphragm structure includes a piezoelectric element in...
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7285227 |
Method of fabricating printhead to have aligned nozzle guard
A method of fabricating a printhead is provided. The printhead includes a substrate, a plurality of nozzles positioned on the substrate and a nozzle guard that is mounted on the substrate to cover...
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7284326 |
Method for manufacturing a micro-electromechanical nozzle arrangement on a substrate with an integrated drive circutry layer
A method for manufacturing a micro-electromechanical printer nozzle arrangement on a substrate having a layer of integrated drive circuitry includes etching a nozzle region through the layer of...
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7285226 |
Method for fabricating a fluid ejection device
A method of fabricating a fluid ejection device comprises providing a barrier layer which defines fluidic spaces. The fluidic spaces defined by the barrier layer are filled with filler. A...
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7281330 |
Method of manufacturing left-handed and right-handed printhead modules
A method of manufacturing a plurality of printhead modules, at least some of which are capable of being combined in pairs to form bilithic pagewidth printheads, the method comprising the step of...
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7279111 |
Monolithic printhead with built-in equipotential network and associated manufacturing method
An actuating assembly ( 50 ) for ink jet printheads consists of a silicon die ( 61 ), which comprises a groove ( 45 ) and a lamina ( 64 ), and of a structure ( 75 ) produced monolithically in the...
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7277770 |
Direct write process and apparatus
A direct write process and apparatus for fabricating a desired circuit component onto a substrate surface of a microelectronic device according to a computer-aided design (CAD). The process...
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