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WO/2011/148698 |
Disclosed is a MEMS switch that minimizes closed-switch stiction and allows stable signal transmission when the switch is in a closed state. A first fixed terminal (FT11) and second fixed terminal (FT12) in the disclosed MEMS switch (10-...
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WO/2011/132532 |
Disclosed is a piezoelectric actuator with improved simplicity of construction and manufacturing flow. A fixed electrode (12) is formed on a base substrate (11). A dielectric layer (13) is formed on the surface of the base substrate (11)...
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WO/2011/067690 |
A device may include a switch and a circuit coupled to the switch. The switch may include a structure with a top portion and a bottom portion and a material included within the structure. The material is configured to expand within the s...
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WO/2011/065192 |
Disclosed is an MEMS switch capable of adjusting characteristic impedance to offset characteristic impedance disruption that may arise when in use. An MEMS switch (SD10) comprises a first tunable capacitor (CA11) disposed corresponding t...
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WO/2010/080439 |
Disclosed is a micro-electro-mechanical switch, including a substrate having a gate connection, a source connection, a drain connection and a switch structure, coupled to the substrate. The switch structure includes a beam member, an anc...
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WO/2010/059258 |
A non-volatile nanotube switch and memory arrays constructed from these switches are disclosed. A non-volatile nanotube switch includes a conductive terminal and a nanoscopic element stack having a plurality of nanoscopic elements arrang...
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WO/2010/011288 |
A mechanical device capable of switching between two states is described. The device may include a micromechanical resonator with two distinct states in the hysteretic nonlinear regime. The devices can be used as a low-power, high-speed ...
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WO/2009/153757 |
The present invention relates to a piezoelectric bimorph switch, specifically a cantilever (single clamped beam) switch, which can be actively opened and closed. Piezoelectric bimorph switch are known from the prior art. Such a switch ma...
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WO/2009/132790 |
A method of wetting a surface of a solid substrate with a liquid metal, comprises activating said surface with a high energy beam; and introducing the liquid metal to the surface while in the active state, the temperature of the surface ...
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WO/2009/132790 |
A method of wetting a surface of a solid substrate with a liquid metal, comprises activating said surface with a high energy beam; and introducing the liquid metal to the surface while in the active state, the temperature of the surface ...
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WO/2009/123111 |
An MEM switch comprises a substrate on which a signal line having fixed contacts is formed, a movable board equipped with movable contacts, a flexible support for supporting the movable board, and an electrostatic actuator and a piezoele...
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WO/2008/017978 |
The proposed invention application describes a novel configuration of an extremely small self-locking switching component, based on micro- electromechanical systems (MEMS) technology. Conventional MEMS switches need a continual control s...
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WO/2008/017978 |
The proposed invention application describes a novel configuration of an extremely small self-locking switching component, based on micro- electromechanical systems (MEMS) technology. Conventional MEMS switches need a continual control s...
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WO/2007/145294 |
Provided is a high-speed response and low voltage driven electromechanical element having a mechanism for adjusting a spring constant of a movable electrode. A substrate is provided with a first electrode, a second electrode at a prescri...
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WO/2007/131796 |
The invention relates to a semiconductor actuator comprising a substrate base (1), a bending structure (2) which is connected to the substrate base and can be bent at least partially in relation to the substrate base and is provided with...
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WO/2007/131796 |
The invention relates to a semiconductor actuator comprising a substrate base (1), a bending structure (2) which is connected to the substrate base and can be bent at least partially in relation to the substrate base and is provided with...
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WO/2007/125969 |
A micro machine switch is provided to switch electric connection between signal electrodes in response to a control signal from an outside. The control signal is comprised of a first control signal for connecting the signal electrodes fo...
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WO/2007/101638 |
An electrical switch element, particularly a relay, is provided with an actuator (5) with a switch contact (2) and a switch mechanism (7) . The switch mechanism translates a driving movement (6) of the actuator into a switching movement ...
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WO/2007/026678 |
A relay device using a conductive fluid and having an excellent switching response is provided. The relay device is formed by bonding a semiconductor substrate to an insulator substrate, and mainly comprises a stacked layer body having a...
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WO/2007/008598 |
A process control apparatus including an actuator (110) configured to effect changes in an industrial process, a power supply (108), a plurality of current switches (104) coupled between the actuator and the power supply and a controller...
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WO/2006/118703 |
A switch (400) comprises a first switch element (300) configured to actuate by electrowetting, the first switch element (300) comprising at least two radio frequency contacts (318, 322) and at least two control electrodes (306, 308). The...
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WO/2006/111407 |
The inventive circuit breaker-contactor (1) comprises a fixed contact, a contact (5) movable (19, 21) with respect to the fixed contact between open and closed positions, means (7) for displacing the movable contact (5) in the closed pos...
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WO/2006/096645 |
The present invention provides a switch (fig. 1) suitable for efficient microfabrication. The switch elements are disposed in several layers. Various embodiments provide various switching capabilities and operational characteristics. The...
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WO/2006/086742 |
The present invention provides a micromachined or microsized component-based needleless injector for delivering a dose of a liquid formulation containing a biologically active agent to tissue by way of a high pressure liquid microstream ...
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WO/2006/077987 |
There is provided an electro-mechanical switch capable of performing high-speed switching response with a low drive voltage. An electro-mechanical switch main body (10) which is a MEMS switch includes a first movable electrode (14) and a...
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WO/2006/033271 |
A microswitch for switching a signal path of a high frequency signal. The microswitch is provided with a circuit board; a pair of first feed through wirings arranged apart from each other on the circuit board for electrically connecting ...
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WO/2005/104258 |
There is provided an inspection method for inspecting a piezoelectric/electrostrictive actuator including a piezoelectric/electrostrictive body and at least two electrodes. The inspection method picks up frequency characteristic when the...
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WO/2005/099410 |
MEMS switches of varying configurations provide individu-ally acutatable contacts. The MEMS switches are sealed by an improved anodic bonding technique.
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WO/2005/099410 |
MEMS switches of varying configurations provide individu-ally acutatable contacts. The MEMS switches are sealed by an improved anodic bonding technique.
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WO/2005/082774 |
A method for pseudo-planarization of an electromechanical device and for forming a durable metal contact on the electromechanical device and devices formed by the method are presented. The method comprises acts of depositing various laye...
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WO/2005/079187 |
The present invention provides electroactive polymer transducers that produce out-of-plane deflections. The transducers form a set of surface features based on deflection of an electroactive polymer. The set of surface features may inclu...
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WO/2005/079187 |
The present invention provides electroactive polymer transducers that produce out-of-plane deflections. The transducers form a set of surface features based on deflection of an electroactive polymer. The set of surface features may inclu...
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WO/2005/064634 |
An electronic apparatus contains a micro-electromechanical switch (MEMS) which comprises a piezoelectric element with a piezoelectric layer (12) between a first and a second electrode layers (11, 13), at least one of the electrode layers...
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WO/2005/064701 |
The microelectromechanical system (MEMS) element (101) comprises a first electrode (31) that is present on a surface of a substrate (30) and a movable element (40), which overlies at least partially the first electrode (31) and comprises...
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WO/2005/062950 |
A meso-electromechanical system (900, 1100) includes a substrate (215), a standoff (405, 1160) disposed on a surface of the substrate, a first electrostatic pattern (205, 1105, 1110, 1115, 1120) disposed on the surface of the substrate, ...
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WO/2005/022575 |
A micro electromechanical system (MEMS) switch includes a fixed contact (24) and a moveable contact (35) on an armature (30). The switch has electrodes (22, 34) associated with both the fixed and moveable contacts for providing an electr...
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WO/2005/001868 |
The invention relates to a monopolar or multipolar switching electrical device, comprising, for each pole, a set of polar contacts (22, 32) that are capable of coming into contact with a polar conductor bridge (15) for switching an elect...
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WO/2004/095483 |
An electrical relay having two wettable electrical contacts (118 and 120), each supporting a conducting liquid (126). A wettable switch finger (114) is moved from a non-deflected position to first and second positions by action of an act...
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WO/2004/095489 |
An electrical relay comprising having two wettable electrical contacts (118, 120) supporting a conducting liquid (126). A non-wettable switch finger (114) is moved between first and second positions between the electrical contacts by act...
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WO/2004/095523 |
Fluid-based switcnes are disclosed. In one embodiment, the switch (400) comprises first (100) and second (402) mated substrates defining therebetween at least portions of a number of cavities, the first substrate defining a plurality of ...
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WO/2004/063090 |
The present invention provides a bistable actuator device formed by thin films for generating mechanical motion in response to an electronic control signal. The present invention combines a thin film bistable mechanical member (1) under ...
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WO/2004/051684 |
A microactuator of a cantilever design with an air gap between an electromagnetic coil wound around a permanent magnet and the end of the cantilever wherein the cantilever beam incorporates a piezo electric member. The deflection the bea...
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WO/2004/047190 |
A radio frequency (RF) micro electro-mechanical system (MEMS) device and method of making same are provided, the device including an RF circuit substrate (24) and an RF conducting path (32, 34) disposed on the RF circuit substrate, a pie...
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WO/2004/040611 |
In a switching apparatus having a pair of electrodes comprising a first electrode and a third electrode which are provided with a piezoelectric element between and a pair of electrodes comprising a second electrode and a fourth electrode...
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WO/2004/038819 |
A piezoelectric switch for tunable electronic components comprises piezoelectric layers (110, 111), metal electrodes (112, 113, 114, 115) alternated with the layers and contact pads.(119, 120) Cross voltages are applied to the electrodes...
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WO/2004/019362 |
A micro-electromechanical (MEM) RF switch provided with a deflectable membrane (60) activates a switch contact or plunger (40). The membrane incorporates interdigitated metal electrodes (70) which cause a stress gradient in the membrane ...
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WO/2004/015729 |
This invention is a new type of relay that incorporates the functional combination of multimorph actuator elements with electrostatic state holding mechanisms in the development of a micromachined switching device. This combination of el...
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WO/2004/015728 |
This invention is a new type of relay that incorporates the functional combination of multimorph actuator elements with electrostatic state holding mechanisms in the development of a micromachined switching device. This combination of el...
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WO/2004/011367 |
An operation fluid movement device (10) is a laminated body of ceramic sheets (11a-11c) that form a flow path (13). The ceramic sheet (11c) forms a film, and a piezoelectric/electrostrictive film (12) is integrally formed on the upper fa...
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WO/2004/006295 |
A MEMS switch assembly comprising a substrate (110) and a resilient switching member (106) is provided. The resilient switching member comprises a transverse torsion member (126) having a flexible portion, and a leaf spring and cantileve...
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