Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 51 - 100 out of 1,055

Document Document Title
WO2005082774A3
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...  
WO2005062950A3
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, ...  
WO/2005/104258A1
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...  
WO/2005/099410A2
MEMS switches of varying configurations provide individu-ally acutatable contacts. The MEMS switches are sealed by an improved anodic bonding technique.  
WO/2005/082774A2
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...  
WO/2005/079187A2
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...  
WO/2005/069330A1
The electro-mechanical micro-switch device includes first and second fixed electrodes. A movable electrode is positioned with respect to the first and second fixed electrodes so that the position of the movable electrode can be selective...  
WO/2005/062950A2
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, ...  
WO/2005/064634A1
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...  
WO/2005/064701A2
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...  
WO2004095523A3
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 ...  
WO/2005/022575A1
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...  
WO/2005/001868A1
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...  
WO2004006295A3  
WO2004063090A3
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 ...  
WO2004095483A3
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...  
WO2004038819A3
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...  
WO/2004/095489A1
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...  
WO/2004/095523A2
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 ...  
WO/2004/095483A2
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...  
WO2004047190A3
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...  
WO/2004/063090A2
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 ...  
WO/2004/051684A1
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...  
WO/2004/047190A2
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...  
WO/2004/040611A1
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...  
WO/2004/038819A2
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...  
WO/2004/019362A1
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 ...  
WO/2004/015728A1
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...  
WO/2004/015729A1
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...  
WO/2004/011367A1
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...  
WO/2004/006295A2
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...  
WO/2003/107372A1
A micro-electromechanical switch (MEMS) having a deformable elastomeric element (1) which exhibits a large change in conductivity with a small amount of displacement. The deformable elastomeric element (1) is displaced by an electrostati...  
WO/2003/079387A1
The invention relates to an electrical switch device in which each power pole comprises a mobile bridge (30) which is equipped with at least one mobile contact (31a, 31b) which co-operates with at least one fixed contact (41a, 41b) of th...  
WO/2003/044817A1
A circuit switching switch (60) having a drive device (10), comprising ceramic pumps (18a) and (18b), wherein a conductive movable body (110) is moved in a flow passage (13a) by alternately pressurizing and depressurizing, by the pumps, ...  
WO/2002/073691A1
An in-situ cap for an integrated circuit device (10) such as a micromachined device and a method of making such a cap (40) by fabricating an integrated circuit element (122) on a substrate (14) ; forming a support layer (124) over the in...  
WO/2002/073644A1
A micromachined electrical switch comprising: a plurality of electrical paths (25) each of which has a break (A; B; C) therein; a plurality of moveable electrical contacts (19) each of which includes piezoelectric material (32) which cha...  
WO/2002/073645A1
A torsion spring for an electro-mechanical switch is presented. The torsion spring comprises a set of tines including at least one tine extending from the free end of the armature of a switch. A terminus portion is rotatably suspended be...  
WO/2002/039472A1
A MEM relay device includes a flexible multi-point contact system with a self-aligning structure. The inventive relay includes a first signal contact electrically connected to a first set of flexible electrically conductive signal teeth ...  
WO/2002/029841A1
A low voltage contactor for low voltage power distribution applications, which comprises at least a piezoelectric motor assembly for coupling/decoupling a movable contact with a fixed contact during the closing/opening operation of the l...  
WO/2002/029364A1
The invention relates to a sensor device, especially a threshold value sensor device comprising a sensor system for detecting an external measuring quantity, a switching system being provided for connecting a load circuit. Until now, the...  
WO/2002/007294A1
An inverter circuit (Figure 2) is provided using a voltage converter having multiple layers of piezolectric ceramic. More specifically, the present invention provides an inverter circuit for a Cold Cathode Fluorescent Lamp (CCFL) (200) i...  
WO/2002/007178A1
A self-powered switching device using a prestressed flextensional electrocative member (12) generates a signal for activation of a latching relay (90). The electroactive member (12) has a piezoelectric element with a concave face that ma...  
WO/2001/013457A1
An electrical switch (40) comprises: electrical contacts (18, 20, 24) and an actuator (26) for moving the contacts relative to each other between an open state and a closed state. The actuator (26) includes a deformable member (14), pref...  
WO/1999/062090A1
An over-centre clamping mechanism is disclosed having a pivot guide to guide the pivot of one of the link arm members of the mechanism which comprises a piezo-electric actuator. The actuator is arranged to withdraw the pivot guide from t...  
WO/1999/040596A1
A piezoelectric relay has a flexural transducer (2) retained on one side only and with a free end that can be switched between two end positions. A bridge element (4) with end sections (4a, 4b) engaged between forked pole ends (6, 7) of ...  
WO/1999/038220A1
The present invention relates to a piezoelectric actuator (1) with a reduced crack tendency in comparison with prior art and increased bridging opportunities with regard to said cracks. The inventive piezoelectric actuator has a pluralit...  
WO/1999/027414A1
A disposable picture display device having a suitable substrate which carries a plurality of colour cells. Each colour cell is configured such as to exhibit a change in its external colour and/or to emit electromagnetic energy at least i...  
WO/1998/040917A1
An electrically controlled actuator comprises at least two co-planar blades formed by a U-shaped pressing from a sheet of material. The end of one blade (60) is used as a mounting for the actuator and the end of the other blade (85) is u...  
WO/1998/024130A1
There are provided an actuator part main body (26) which has an antiferroelectric film (22) and a pair of electrodes (24a and 24b) formed on one major face (surface) of the antiferroelectric film (33), a vibratory part (18) which support...  
WO/1998/011586A1
The invention concerns a switching device comprising a membrane made of a material (M�1?) supported by a substrate made of a material (M�2?), the material (M�1?) being constrained with respect to the material (M�2?) at the membra...  

Matches 51 - 100 out of 1,055