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7380908 Inkjet nozzle arrangement with buckle-resistant actuator  
An inkjet nozzle arrangement includes a substrate that defines an ink inlet channel. Integrated circuitry is positioned on the substrate. An ink chamber structure defines an ink chamber in fluid...
7367359 Proportional micromechanical valve  
The present invention provides a proportional microvalve having a first, second and third layer, and having high aspect ratio geometries. The first layer defines a cavity with inlet and outlet...
7357488 Nozzle assembly incorporating a shuttered actuation mechanism  
A nozzle assembly is provided for an inkjet printer. The assembly includes a wafer arrangement defining an ink supply channel. A border is constructed on the wafer arrangement and bounds the ink...
7356913 Process for manufacturing a microsystem  
A process for making microswitches or microvalves, composed of a substrate and used for shifting between a first state of functioning and a second state of functioning by means of a bimetal-effect...
7341331 Modular print head with adjustable modules  
A modular pagewidth printhead includes a chassis. A reservoir structure is mounted on the chassis and defines a number of longitudinally extending ink reservoirs. A plurality of printhead modules...
7339454 Tensile-stressed microelectromechanical apparatus and microelectromechanical relay formed therefrom  
A microelectromechanical (MEM) apparatus is disclosed which includes a shuttle suspended above a substrate by two or more sets of tensile-stressed beams which are operatively connected to the...
EP1441132B1 Bubble-actuated valve with latching  
Abstract of EP1441132 A bubble-actuated valve (100) with latching is used to regulate fluid flow, especially the controlled delivery of drugs or other bioactive agents or compounds. The...
7293856 Bicuspid valved ink ejection arrangement for inkjet printhead  
An ink ejection arrangement for an inkjet printhead is provided. The arrangement comprises an ink chamber, a nozzle defined in a first wall of the ink chamber and an ink ejector positioned within...
7290853 Inkjet printhead with a two dimensional array of ink ejection nozzle arrangements  
A printhead is provided for an inkjet printer. The printhead includes a wafer substrate assembly defining a plurality of spaced apart groups of ink inlet channels. Groups of ink ejection nozzle...
7283030 Doubly-anchored thermal actuator having varying flexural rigidity  
A doubly-anchored thermal actuator for a micro-electromechanical device such as a liquid drop emitter or a fluid control microvalve is disclosed. The thermal actuator is comprised of a base element...
7226145 Micro-electromechanical valve shutter assembly  
A micro-electromechanical shutter assembly includes an elongate actuator that is anchored at one end to the wafer substrate to be in electrical contact with the drive circuitry layers. A closure...
EP1031735B1 Microactuator  
Abstract of EP1031735 A flexible area 2 is joined at one end via a thermal insulation area 7 to a semiconductor substrate 3 which becomes a frame and at an opposite end to a moving element 5. The...
7207659 Nozzle arrangement for an inkjet printhead with ink passivation structure  
A nozzle arrangement for an inkjet printhead includes a wafer substrate defining an ink passage and incorporating drive circuitry. A passivation layer is operatively positioned on the substrate and...
7207658 Printhead integrated circuit with electromechanical actuators incorporating heatsinks  
A printhead integrated circuit that has an array of nozzles and corresponding micro-electromechanical actuators for ejecting ink there through. Each of the micro-electromechanical actuators having...
7198248 Valve for fluids, liquids or powder material having a diaphragm shutter controlled by shape memory means  
A valve for gases, liquids or powdery material, comprises a diaphragm shutter element having a central part and a peripheral edge connected, respectively, to a central support and to a peripheral...
7156365 Method of controlling microvalve actuator  
In a method of controlling an actuator of a microvalve, a controller is provided for supplying a voltage to the actuator. The controller provides an initial voltage to the actuator which is...
7156363 Bathroom flushers with novel sensors and controllers  
A bathroom flusher ( 10 ) includes a body having an inlet ( 12 ) in communication with a supply line and an outlet ( 16 ) in communication with a flush conduit, a valve assembly in the body...
7155911 Thermal bend actuator with corrugate profile  
A thermal bend actuator ( 6 ) is provided with a group of upper arms ( 23, 25, 26 ) and a group of lower arms ( 27, 28 ) which are non planar, so increasing the stiffness of the arms. The arms (...
7152960 Micro-electromechanical valve having transformable valve actuator  
A micro-electromechanical valve is provided having a channel defined by a substrate and circuitry thereon so as to terminate at an aperture, a closure member arranged to be displaceable between...
7140719 Actuator for a micro-electromechanical valve assembly  
An elongate actuator is anchored at one end to the wafer substrate to be in electrical contact with the drive circuitry layers. A closure member is mounted on an opposite end of the elongate...
EP1165432B1 THERMAL BEND ACTUATOR AND PADDLE STRUCTURE FOR INK JET NOZZLE  
Abstract not available for EP1165432 Abstract of corresponding document: WO0048938 A thermal actuator (7) for micro electromechanical systems (MEMS) comprises two arms (10, 11), with a gap between...
7118195 Inkjet printhead having thermally durable MEM inkjet array  
An inkjet printhead is provided comprising an array of microelectromechanical ink ejection devices formed on a wafer substrate. Each ink ejection device comprises an ink chamber defined by walls...
7077507 Micro-electromechanical liquid ejection device  
A micro-electromechanical liquid ejection device includes a wafer substrate that incorporates drive circuitry and that defines a liquid inlet. A nozzle chamber structure is positioned on the wafer...
7052113 Inkjet printhead comprising printhead integrated circuits  
An inkjet printhead comprising a plurality of printhead integrated circuits is provided. Each integrated circuit comprises a substrate; drive circuitry arranged on the substrate; and a plurality of...
7013641 Micro-electromechanical device  
A fluid ejection device includes a substrate. Nozzle chamber walls are arranged on the substrate and define a plurality of nozzle chambers. The substrate defines a plurality of fluid inlet channels...
7011378 Proportional micromechanical valve  
The present invention provides a proportional microvalve having a first, second and third layer, and having high aspect ratio geometries. The first layer defines a cavity with inlet and outlet...
7011288 Microelectromechanical device with perpendicular motion  
A microelectromechanical device wherein the displacement of an electrothermally compliant actuator is perpendicular to a mounting substrate allowing in a first embodiment a fluid control valve to...
6994115 Thermally actuated microvalve device  
A microvalve having a generally planar plate valve body defining a chamber and a plate valve member movable in the chamber about a pivot axis that is perpendicular to the valve body to control the...
6984023 Micro-electromechanical displacement device  
A micro-electromechanical displacement device includes a wafer substrate that incorporates drive circuitry. A thermal actuator is fast, at one end, with the wafer substrate, while the other end is...
6983595 Fluid ejection device  
A device is formed from an integrated circuit which comprises a substrate; drive circuitry arranged on the substrate; and a plurality of micro-electromechanical devices positioned on the substrate....
6981687 Bubble-actuated valve with latching  
A bubble-actuated valve with latching may be utilized to regulate fluid flow in any number of applications, including the controlled delivery of drugs or other bioactive agents or compounds. The...
6978613 Thermal bend actuator  
A thermal bend actuator ( 6 ) is provided with upper arms ( 23, 25, 26 ) and lower arms ( 27, 28 ) which are non planar, so increasing the stiffness of the arms. The arms ( 23, 25, 26, 27, 28 ) may...
6935725 Microelectromechanical fluid ejection device  
In order to provide a very high printing resolution a microelectromechanical fluid ejection device is provided. The device includes a plurality of thermal fluid ejection assemblies formed upon a...
6911891 Bistable actuation techniques, mechanisms, and applications  
A bistable structure provided by the invention is characterized as including a deflection element that has mechanically constrained end points and a compliant span between the end points that is...
6845962 Thermally actuated microvalve device  
A microvalve device for controlling fluid flow in a fluid circuit. The microvalve device comprises a body having a cavity formed therein. The body further has first and second pilot ports placed in...
6812820 Microsystem with element deformable by the action of heat-actuated device  
The invention concerns a microsystem, in particular for producing microswitches or microvalves, constituted on a substrate ( 50 ) and used for producing a shift between a first operating state and...
6791233 Semiconductor device  
A flexible area 2 is joined at one end via a thermal insulation area 7 to a semiconductor substrate 3 which becomes a frame and at an opposite end to a moving element 5 . The thermal...
6783217 Micro-electromechanical valve assembly  
A micro-electromechanical valve assembly includes an elongate actuator that is anchored at one end to the wafer substrate to be in electrical contact with the drive circuitry layers. A closure...
EP1441132A2 Bubble-actuated valve with latching  
A bubble-actuated valve (100) with latching is used to regulate fluid flow, especially the controlled delivery of drugs or other bioactive agents or compounds. The bubble-actuated valve utilizes...
6768412 Snap action thermal switch  
A simplified snap-action micromachined thermal switch having a bimodal thermal actuator fabricated from non-ductile materials such as silicon, glass, silicon oxide, tungsten, and other suitable...
6761420 Proportional micromechanical device  
The present invention provides a proportional microvalve having a first, second and third layer, and having high aspect ratio geometries. The first layer defines a cavity with inlet and outlet...
6703916 Micro-device with thermal actuator  
The invention relates to a microswitch containing conductors located on a first level and conductors located on a second level, where the conductors on the first level are supported by a deformable...
6694998 Micromachined structure usable in pressure regulating microvalve and proportional microvalve  
A microvalve device includes a first plate, a second plate and a third plate. The second plate is connected between the first plate and the third plate. The second plate contains a stationary...
6629820 Microfluidic flow control device  
A method of controlling fluid flow in a channel in a microfluidic flow control device by introducing fluid to the channel, with the fluid flowing in a flow direction and controllably deforming...
6626417 Microfluidic valve and microactuator for a microvalve  
A microactuator device includes a base with at least one electrode pad and a permeation membrane. Permeation membrane is typically a water-permeable membrane that is able to deform by applying an...
6625874 Method of making a thermal bend actuator  
A method of forming a thermal bend actuator ( 6 ) is provided with upper arms ( 23, 25, 26 ) and lower arms ( 27, 28 ) which are non planar, so increasing the stiffness of the arms. The arms ( 23,...
6621139 Method for fabricating a tunable, 3-dimensional solenoid and device fabricated  
A method for fabricating a tunable, 3-dimensional solenoid utilizing CMOS fabrication technology and a back end process without using photomasks are described. In the method, two curved arms each...
6612535 MEMS valve  
A valve where the valve membrane is made from silicone rubber. Preferably the valve is a microelectromechanical systems (MEMS) thermopneumatic valve. Because of the advantageous physical properties...
6592098 Microvalve  
An improved microvalve device is configured to provide a more robust and durable operation to withstand the demands of various operating environments. The microvalve may comprise a valve seat and a...
6581640 Laminated manifold for microvalve  
A manifold for distributing a fluid. The manifold can be used to distribute a fluid to and from a microvalve. The manifold includes a first plate having a groove formed in one face thereof. A...
Matches 1 - 50 out of 94 1 2 >