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WO/2022/153697A1 |
This MEMS switch comprises: a substrate that has a first main surface and a second main surface on the opposite side thereof, and also has a cavity formed therein; an actuator unit that is formed on the first main surface side of the sub...
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WO/2022/153696A1 |
This MEMS switch comprises: a substrate that has a cavity formed in the interior thereof and that has a first principal surface and a second principal surface on the opposite side thereof; a flexible part that is flexible and is fixed in...
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WO/2022/120274A1 |
An electrically conductive membrane pressure switch, such as a graphene membrane pressure switch. The electrically conductive membrane pressure switch includes an electrically conductive membrane, source, drain plane, actuator, and movab...
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WO/2020/064109A1 |
The invention relates to a low-voltage circuit breaker, comprising: at least one current sensor for determining the magnitude of the electric current of a conductor of the low-voltage circuit breaker, which conductor is associated with t...
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WO/2019/194815A1 |
A superconducting magnet apparatus includes a plurality of superconducting magnet coil sections connected in series and housed within a cryogenically cooled, vacuum container. A power source generates a current. A first lead is electrica...
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WO/2019/025438A1 |
A switching device comprising first and second body parts and a first operating device for moving the body parts into a closed state. A piezoelectric actuator is coupled to each body part and is operable to move the body parts part away ...
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WO/2017/194471A2 |
A vacuum circuit breaker comprises a vacuum interrupter operable between a closed state and an open state, and an actuator. The actuator comprises a piezoelectric driving element that is expandable and contractable along an expansion axi...
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WO/2017/172059A1 |
Embodiments of the invention include a switching device that includes an electrode, a piezoelectric material coupled to the electrode, and a movable structure (e.g., cantilever, beam) coupled to the piezoelectric material. The movable st...
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WO/2017/142320A1 |
A mobile communication terminal side button structure according to an aspect of the present invention comprises: a frame having a button hole formed thereon; a button inserted into the button hole, a pressurizing protrusion being formed ...
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WO/2015/121358A1 |
A microelectromechanical system comprises a deflectable actuator plate and a stop surface. An integral piezoelectric functional layer of the deflectable actuator plate is formed over an area (APS) of the actuator plate. The deflectable a...
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WO/2015/111596A1 |
This invention addresses the problem of providing a contact or contactless switch and device. In order to solve said problem, a switch that has the following is provided: a macromolecular actuator element; a support mechanism that suppor...
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WO/2014/202687A1 |
The invention is about an electroactive polymer transducer (10), comprising a first stack configuration (11) and a second stack configuration (12), each stack configuration (11, 12) having a multitude of electroactive polymer layers (13)...
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WO/2014/110788A1 |
A contactor comprises a frame (20), a first part (30), a second part (40) and an electrostatic actuator (60). The first part (30) has stationary contacts and is installed on the frame (20). The second part (40) has movable contacts. The ...
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WO/2014/094884A1 |
An improved BAW component, a lamination for a BAW component, and a method for manufacturing a BAW component are provided. A lamination (L) for a BAW component comprises a first layer (PM1) with a first piezoelectric material and a second...
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WO/2013/114857A1 |
This piezoelectric actuator device is provided with a vibrating part and a driving part configured so as to cause the vibrating part to vibrate. The vibrating part has a lower vibrating layer, which vibrates, and an upper vibrating layer...
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WO/2013/064409A1 |
The invention relates to a micromechanical switch (1) having a substrate (100) on which at least one first contact element (101) and at least one second contact (102) are arranged, wherein at least one of the contact elements (101, 102) ...
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WO/2013/051064A1 |
[Problem] To provide a MEMS switch that is easy to manufacture and with which sticking can be controlled effectively. [Solution] This MEMS switch has: a fixed support part; a plate-shaped flexible beam having a movable surface at least o...
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WO/2013/017182A1 |
The invention relates to an electromagnetic relay (1), in particular a motor vehicle relay, comprising a magnet yoke (2), a relay coil (7), a hinged armature (4) which is pivotable about an axis of rotation (3) and on which a moving cont...
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WO/2013/011128A1 |
The invention relates to an RF MEMS component with a fast activation time and intended for applications in the frequency range below about 10 GHz, comprising an insulating substrate (S) having, on the surface of said substrate, at least ...
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WO/2012/043464A1 |
Provided is a MEMS switch wherein worsening of isolation can be alleviated as much as possible, even when semiconductor material is used for a lever main-layer of a flexible lever upon which a movable terminal is formed. The MEMS switch ...
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WO/2011/148698A1 |
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/2011/132532A1 |
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/2011/067690A1 |
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/2011/065192A1 |
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/2010/080439A1 |
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/2010/059258A1 |
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/2010/011288A1 |
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/2009/153757A1 |
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/2009/132790A2 |
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/2009/123111A1 |
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/2008/017978A2 |
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/2007/145294A1 |
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/2007/131796A2 |
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/2007/125969A1 |
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/2007/101638A1 |
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/2007/026678A1 |
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/2006/118703A1 |
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/2006/111407A1 |
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/2006/086742A2 |
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/2006/077987A1 |
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/2006/033271A1 |
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/2005/104258A1 |
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...
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WO/2005/099410A2 |
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/2005/082774A2 |
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...
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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...
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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...
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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, ...
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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...
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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...
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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...
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