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7623007 |
Device including piezoelectric thin film and a support having a vertical cross-section with a curvature
An acoustic resonator includes a substrate, a support section provided on the substrate, a lower electrode provided on the support section, a piezoelectric body provided on the lower electrode, and...
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7609127 |
Electronically controllable RF switch
An RF switch circuit ( 10 ) and a tuner ( 12 ) comprising an RF switch circuit are described. The switch circuit comprises at least two input terminals and one output terminal. The input terminals...
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7609126 |
Diode switch and attenuator for reducing a bias current
Diodes and are connected between an input terminal and an output terminal. These diodes are connected in parallel, and the cathode of a latter-stage diode is connected to the anode of a...
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7605675 |
Electromechanical switch with partially rigidified electrode
An electromechanical switch with a rigidified electrode includes an actuation electrode, a suspended electrode, a contact, and a signal line. The actuation electrode is disposed on a substrate. The...
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7602261 |
Micro-electromechanical system (MEMS) switch
An electromechanical switch includes an actuation electrode, a cantilever electrode, a contact, a suspended conductor, and a signal line. The actuation electrode is mounted to a substrate, the...
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7595706 |
High-frequency distribution circuit for distributing high-frequency signal
The present high-frequency distribution circuit includes a switch circuit which passes a high-frequency signal from the other terminal of a high-frequency line to an output terminal if a receiver...
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7583169 |
MEMS switches having non-metallic crossbeams
A RF MEMS switch comprising a crossbeam of SiC, supported by at least one leg above a substrate and above a plurality of transmission lines forming a CPW. Bias is provided by at least one layer of...
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7576901 |
Method and device for selective adjustment of hysteresis window
The width and location of a hysteresis window of an interferometric modulator may be altered by adjusting various physical characteristics of the interferometric modulator. Thus, depending on the...
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7567155 |
Configurable high frequency coaxial switch
Various embodiments are provided herein for a configurable high frequency coaxial switch. The switch includes a switch housing module that has at least two ports and is adapted for operation in a...
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7554421 |
Micro-electromechanical system (MEMS) trampoline switch/varactor
A micro-electromechanical device includes an actuation electrode and a suspended electrode. The actuation electrode is disposed on a substrate. The suspended electrode is suspended proximate to the...
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7545234 |
Microelectromechanical device having a common ground plane layer and a set of contact teeth and method for making aspects thereof
The present invention relates to MEM switches. More specifically, the present invention relates to a system and method for making MEM switches having a common ground plane. One method for making...
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7541898 |
High isolation tunable MEMS capacitive switch
The systems and methods described herein provide for a radio frequency micro-electromechanical systems switch having two or more resonant frequencies. The switch can be configured as a capacitive...
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7535325 |
Component for impedance change in a coplanar waveguide and method for producing a component
A component is provided for an impedance change in a coplanar waveguide which includes two grounding conductors and a signal line lying between the grounding conductors, as well as a conducting...
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7535315 |
Dimensionally flexible sparse matrix topology
A dimensionally flexible sparse matrix comprising multiple ports connected to a plurality of interconnected universal switches is disclosed. Each universal switch has at least three terminals and...
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7532094 |
Linear antenna switch arm and a field effect transistor
A linear antenna switch arm comprising a field effect transistor comprising a source, a drain and a plurality of gates; a signal line connected between source and drain, the signal line comprising...
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7532093 |
RF MEMS series switch using piezoelectric actuation and method of fabrication
A microelectromechanical system (MEMS) switch comprising a radio frequency (RF) transmission line; a structurally discontinuous RF conductor adjacent to the RF transmission line; a pair of...
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7528689 |
Vibration type MEMS switch and fabricating method thereof
A vibration type MEMS switch and a method of fabricating the vibration type MEMS switch. The vibration type MEMS switch includes a vibrating body supplied with an alternating current voltage of a...
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7518474 |
Piezoelectric in-line RF MEMS switch and method of fabrication
A MEMS switch and method of fabrication comprises a RF transmission line; a RF beam structure comprising a RF conductor; a cantilevered piezoelectric actuator coupled to the RF beam structure; a...
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7511593 |
DVI-compatible multi-pole double-throw mechanical switch
In a multi-pole, double-throw switch, three multi-terminal device connectors are coupled to a printed circuit board, along with two header connectors and a movable array. A pcb trace electrically...
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7501911 |
Vertical comb actuator radio frequency micro-electro-mechanical system switch
A vertical comb actuator radio frequency (RF) micro-electro-mechanical system (MEMS) switch. The RF MEMS switch includes a substrate; first and second signal lines spaced at a predetermined...
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7498908 |
High-power PIN diode switch
A high-power PIN diode switch for use in applications such as plasma processing systems is described. One illustrative embodiment comprises an input terminal; an output terminal; and first and...
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7495527 |
Connector activated RF switch
An RF switch ( 104 ) that is activated by the insertion of a connector. The RF switch ( 104 ) can comprise one or more antenna adapters that can be formed by a number of predetermined RF connector...
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7482892 |
Traveling wave switch having FET-integrated CPW line structure
A traveling-wave switch includes a FET-integrated Coplanar Waveguide (CPW) line structure. The FET-integrated CPW line structure incorporates a transistor, a signal line, and the ground, that can...
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7463123 |
Nanometer electromechanical switch and fabrication process
The present invention describes nano-scale fabrication technique used to create a sub-micron wide gap across the center conductor of a coplanar waveguide transmission line configured in a...
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7463114 |
Radio frequency assembly and a multiport switch having the same
An RF assembly of a multiport switch is disclosed. The RF assembly includes an RF cavity housing and a cover. The RF cavity housing includes a common port defined by a cavity in a surface of the RF...
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7463110 |
Transition device between a waveguide and two redundant circuits coupled each to a coplanar line
A redundant transition device between a waveguide ( 1 ) and at least two redundant processing circuits ( 2, 3 ) includes two uncoupled coplanar lines ( 5, 6 ) formed one on either side of a single...
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7459988 |
High linearity wide dynamic range radio frequency antenna switch
The present invention is a wide dynamic range antenna switch that, when disabled, has a stable input impedance over a wide power range. The wide dynamic range antenna switch includes multiple...
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7456713 |
RF MEMS switch and fabrication method thereof
Disclosed are an RF MEMS switch and a fabrication method thereof. According to an embodiment the RF MEMS switch is actuated with a low voltage and a low consumption power by using a piezoelectric...
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7447273 |
Redundancy structure and method for high-speed serial link
An integrated circuit is provided having a plurality of data transmitters, including a plurality of default data transmitters for transmitting data from a plurality of data sources and at least one...
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7439821 |
DC to DC transmission system
A DC to DC transmission system includes at least three conductors between a source and a sink, a first switch which alternately connects each conductor to the source, a second switch which...
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7420445 |
Phase change control devices and circuits for guiding electromagnetic waves employing phase change control devices
A circuit for guiding electromagnetic waves includes a substrate for supporting components of the circuit. The circuit includes a control device which includes a first conductive element on the...
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7420444 |
RF MEMS switch having asymmetrical spring rigidity
An RF MEMS switch having asymmetrical spring rigidity. The RF MEMS switch has supporting members spaced apart in a certain interval on a substrate, a membrane being a motion member suspended by...
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7420442 |
Micromachined microwave signal control device and method for making same
A method for fabricating a signal controller, e.g., a filter or a switch, for a coplanar waveguide during the LIGA fabrication process of the waveguide. Both patterns for the waveguide and patterns...
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7420135 |
Micro electro-mechanical system switch and method of manufacturing the same
A micro electro-mechanical system (MEMS) switch and a method for manufacturing the same are provided. The MEMS switch includes a substrate; signal lines formed on the substrate; main electrodes...
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7405639 |
Switch
A switch includes a first member, one end of which being secured to a substrate, multiple first beam portions respectively having multiple first contact portions, one ends of the multiple beam...
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7405635 |
MEMS switch
It is to provide an MEMS switch easy to manufacture, microscopic, and capable of obtaining a sufficient ON/OFF capacitance change ratio. An MEMS switch includes a substrate 46 , a conductive beam...
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7394332 |
Micro-cavity MEMS device and method of fabricating same
A MEM switch is described having a free moving element within in micro-cavity, and guided by at least one inductive element. The switch consists of an upper inductive coil; an optional lower...
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7391283 |
RF switch
An SPNT switch has at least two operating states and comprises N circuit branches. Each circuit branch comprises a first input/output port connected to a second input/output port via a series...
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7355258 |
Method and apparatus for bending electrostatic switch
An electronic circuit is formed by closely spacing metallic gate and drain interconnects to a flexible portion of a source interconnect. A gate voltage results in electrostatic attraction and...
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7337532 |
Method of manufacturing micro-electromechanical device having motion-transmitting structure
A method of manufacturing a micro-electromechanical device is provided. The method comprises providing a substrate incorporating drive circuitry, and forming a drive member, a motion-transmitting...
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7321275 |
Ultra-low voltage capable zipper switch
An electromechanical switch includes an actuation electrode, an anchor, a cantilever electrode, a contact, and signal lines. The actuation electrode and anchor are mounted to a substrate. The...
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7315223 |
Microstrip-to-microstrip RF transition including co-planar waveguide connected by vias
A microstrip-to-microstrip RF transition circuit that employs a wide microstrip line transition to a short co-planar waveguide section. In one embodiment, a first microstrip line and a first ground...
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7310179 |
Method and device for selective adjustment of hysteresis window
The width and location of a hysteresis window of an interferometric modulator may be altered by adjusting various physical characteristics of the interferometric modulator. Thus, depending on the...
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7307491 |
High density three-dimensional RF / microwave switch architecture
RF switching system ( 100, 200 ) formed from a structure ( 102, 202 ) comprised of dielectric material. The structure can have two or more faces ( 104, 204 ), with at least one face located in a...
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7299538 |
Method for fabricating micro-electro-mechanical systems
The present invention relates to micro-electro-mechanical systems (MEMS). The present invention relates to a design feature that allows lower actuation voltage for electrostatically actuated...
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7283347 |
Low cost digital variable capacitor
A digital variable capacitor package is provided as having a ground plane disposed on predetermined portion of the top surface of a substrate. An elongated signal electrode may also be disposed on...
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7276991 |
Multiple switch MEMS structure and method of manufacture
A multiple switch MEMS structure has a higher resistance, higher durability switch arranged in parallel with a lower resistance, less durable switch. By closing the higher resistance, high...
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7274278 |
Tunable micro electromechanical inductor
The present invention provides a monolithic inductor developed using radio frequency micro electromechanical (RF MEMS) techniques. In a particular embodiment of the present invention, a tunable...
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7271683 |
Electromagnetic switch element
An electromagnetic switch element that through electromechanical actuation is able to be used to influence the propagation of an electromagnetic signal within a guiding medium. An electromagnetic...
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7268643 |
Apparatus, system and method capable of radio frequency switching using tunable dielectric capacitors
An embodiment of the present invention provides an apparatus, comprising a radio frequency switch capable of using tunable dielectric capacitors as the switching element. The apparatus may further...
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