Class / Patent application number | Description | Number of patent applications / Date published |
333239000 | Waveguide type | 81 |
20090045891 | Micro Wave Chemical Reaction Device - The invention performs uniform chemical reactions with high efficiency by action of microwave onto reaction targets placed within a flow path along a center axis of a waveguide for transmission of microwave. The microwave chemical reaction device includes a circular waveguide for transmission of TM or TE mode microwave or a square waveguide for transmission of TE mode microwave and a flow path shielded from a space within the waveguide by a bulkhead of low microwave loss and coaxially extending along the center axis of the waveguide. Reaction targets to be subjected to chemical reactions are accommodated in the flow path and the microwave acts on the reaction targets within the flow path. | 02-19-2009 |
20090261925 | SLOW WAVE STRUCTURES AND ELECTRON SHEET BEAM-BASED AMPLIFIERS INCLUDING SAME - A traveling wave amplifier circuit to receive an RF wave and an electron sheet beam and to effect synchronized interaction therebetween. The circuit includes a wave guide having at least a first wall and a second wall opposite the first wall. The first wall and the second wall are connected to define an axis of propagation and a rectangular wave guide cross-section that is normal to the axis of propagation. The circuit further includes a plurality of first projections located on an interior surface of the first wall of the wave guide, the first projections being pitched in a direction of the axis of propagation. The circuit further includes a plurality of second projections located on an interior surface of the second wall of the wave guide, the second projections being pitched in a direction of the axis of propagation. A number of the second projections are located on the interior surface of the second wall in a staggered configuration in a direction of the axis of propagation relative to a number of corresponding first projections located on the interior surface of the first wall. | 10-22-2009 |
20090284331 | COPLANAR WAVEGUIDE - An embodiment relates to a coplanar waveguide electronic device comprising a substrate whereon is mounted a signal ribbon and at least a ground plane. The signal ribbon comprises a plurality of signal lines of a same level of metallization electrically connected together, and the ground plane is made of an electrically conducting material and comprises a plurality of holes. | 11-19-2009 |
20090295511 | Dual Polarized Waveguide Feed Arrangement - A waveguide arrangement having a longitudinal extension, along which an electromagnetic wave may propagate, and comprising at least one waveguide part and a feeding arrangement which is arranged for feeding said waveguide part with a first polarization and a second polarization, said polarizations being mutually orthogonal. The feeding arrangement comprises a dielectric carrier material comprising a first feeding conductor, feeding the first polarization and a second feeding conductor, feeding the second polarization, where the first polarization is excited by means of first excitation means fed by said first feeding conductor and the second polarization is excited by means of second excitation means fed by said second feeding conductor, where at least one excitation means is a symmetrical structure with respect to the longitudinal extension. | 12-03-2009 |
20100052825 | SURFACE-MOUNTABLE WAVEGUIDE ARRANGEMENT - A surface-mountable waveguide arrangement comprising a dielectric carrier material having a first main side and a second main side, the second side comprising a ground plane, and the first side being arranged to form a microwave circuit layout by means of metallization patterns on the respective sides. The microwave circuit layout comprises a footprint for a surface-mountable waveguide part, the waveguide part comprising an open side, a part of the footprint constituting a closing wall arranged for closing the open side. The waveguide part is arranged for being mounted to a footprint solder area comprised in the footprint, having an outer contour and corresponding to a solderable contact area on the waveguide part. A solderstop line is formed on the footprint, at least partly defining a border between the closing wall and the footprint solder area. The present invention also relates to a dielectric carrier. | 03-04-2010 |
20100060389 | Acoustic Waveguide Array With Nonsolid Cores - An acoustic (sound or ultrasound) wave transmitter having a plurality of waveguides is described, and a method of making such a transmitter is described. Each waveguide can have a cladded core. The core can be a liquid such as water, alcohol or mineral oil. Alternatively, the core can be a colloidal gel, such as gelatin dissolved in at least one of water, vinyl plastisol or silicone gel. The cladded core is capable of transmitting acoustic wave energy from a first end surface to a second end surface of the cladded core. The waveguides can be substantially fixed relative to each other by a binder. The binder can be formed by fusing the claddings together, potting a material between the waveguides and/or mechanically holding the waveguides. | 03-11-2010 |
20100109817 | WAVEGUIDE STRUCTURE - There is provided a waveguide structure including a first member, made of metal, in a surface portion of which a first groove having a linear shape is formed; and a second member, made of resin, in a surface portion of which a second groove having a linear shape is formed and to the surface of which metal plating is applied. The first member and the second member are arranged in such a way that the first groove and the second groove face each other so that the waveguide as a waveguide tube is configured. The first member in the surface portion of which the first groove is formed and the second member in the surface portion of which the second groove is formed are held in such a way that a gap exists between the respective surfaces thereof. | 05-06-2010 |
20100127802 | SANDWICH VEHICLE STRUCTURE HAVING INTEGRATED ELECTROMAGNETIC RADIATION PATHWAYS - A sandwich vehicle structure may allow for confined propagation of electromagnetic radiation within the sandwich vehicle structure. The sandwich vehicle structure may include at least one upper conducting plate, at least one lower conducting plate, and a core extending between the upper and lower conducting plates. The core may comprise a core medium, and a plurality of spaced apart core members embedded in the core medium and extending between the upper and lower conducting plates. The core medium and the core members may allow for the propagation of electromagnetic radiation within the core. | 05-27-2010 |
20100156573 | METAMATERIALS FOR SURFACES AND WAVEGUIDES - Complementary metamaterial elements provide an effective permittivity and/or permeability for surface structures and/or waveguide structures. The complementary metamaterial resonant elements may include Babinet complements of “split ring resonator” (SRR) and “electric LC” (ELC) metamaterial elements. In some approaches, the complementary metamaterial elements are embedded in the bounding surfaces of planar waveguides, e.g. to implement waveguide based gradient index lenses for beam steering/focusing devices, antenna array feed structures, etc. | 06-24-2010 |
20100182105 | IMPEDANCE-CONTROLLED COPLANAR WAVEGUIDE SYSTEM FOR THE THREE-DIMENSIONAL DISTRIBUTION OF HIGH-BANDWIDTH SIGNALS - The invention relates to a waveguide system for distributing high-bandwidth signals in a multilayer circuit carrier. The waveguide system comprises at least one coplanar waveguide ( | 07-22-2010 |
20100225426 | Coax core insulator waveguide - A communication device consistent with certain implementations has a coaxial cable having length and first and second ends. The coaxial cable further has a central conductor, a dielectric insulator surrounding the central conductor, and an electric shield conductor surrounding the dielectric insulator. The dielectric insulator serves as a dielectric waveguide having a characteristic impedance Z at an operating frequency range. A termination for electrical energy coupled into or out of the dielectric insulator at approximately the characteristic impedance Z at the operating frequency range to utilize the dielectric insulator as a waveguide for transmission of signals along the length of the coaxial cable, and wherein the center conductor is further used to communicate an electrical signal between the first and second ends. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract. | 09-09-2010 |
20100244997 | WAVEGUIDE OF MULTI-LAYER METAL STRUCTURE AND MANUFACTURING METHOD THEREOF - A waveguide of a multi-layer metal structure and a manufacturing method thereof are provided, the method including applying a plurality of metal layers on a substrate and a plurality of insulating layers respectively between the respective metal layers. Accordingly, it is possible to minimize conductive loss by dispersing current uniformly through wide regions between a signal line and ground lines. | 09-30-2010 |
20100253450 | APPARATUS FOR TRANSITIONING MILLIMETER WAVE BETWEEN DIELECTRIC WAVEGUIDE AND TRANSMISSION LINE - Provided is an apparatus for transitioning a millimeter wave between dielectric waveguide and transmission line using a millimeter wave transition structure formed by the dielectric waveguide, the transmission line, and a slot to transition a signal with lower losses. The apparatus includes: transmission lines disposed respectively at input and output terminals on an uppermost dielectric substrate in a signal transition direction and adapted to transition a signal; a dielectric waveguide formed by a via array disposed between top and bottom ground surfaces of a lowermost dielectric substrate in the signal transition direction as a signal transition path; and slots disposed at a signal transition path of an upper ground surface of each dielectric substrate to connect the transmission lines to the dielectric waveguide so as to transition a signal from the transmission line of the input terminal to the transmission line of the output terminal through the dielectric waveguide. | 10-07-2010 |
20100259345 | METAMATERIAL STRUCTURE HAVING NEGATIVE PERMITTIVITY, NEGATIVE PERMEABILITY, AND NEGATIVE REFRACTIVITY - Provided is an unlimited single-layer metamaterial structure having negative permittivity and negative permeability in a frequency bandwidth desired by a user. The metamaterial structure includes: a dielectric having a single layer structure having a permittivity or a multi-layer structure in which at least one layer has a different permittivity; and a single conductor disposed in the dielectric, wherein the metamaterial structure has a permittivity, a permeability, and a refractivity that have 0 or a negative value in a predetermined frequency band. | 10-14-2010 |
20110018657 | Substrate Integrated Waveguide - A substrate integrated waveguide ( | 01-27-2011 |
20110050370 | HIGH ELECTROMAGNETIC TRANSMISSION COMPOSITE STRUCTURE - The invention discloses a high electromagnetic transmission composite structure for reducing the transmission loss of an electromagnetic wave. The high electromagnetic transmission composite structure includes a first composite structure layer, a second composite structure layer, and a first buffer layer. The first composite structure layer has a first thickness and a first dielectric constant. The second composite structure layer has a second thickness and a second dielectric constant. The first buffer is disposed between the first composite structure layer and the second composite structure layer and has a third thickness and a third dielectric constant. The transmission loss of the electromagnetism wave can be adjusted by adjusting the first thickness, the first dielectric constant, the second thickness, the second dielectric constant, the third thickness, and the third dielectric constant. | 03-03-2011 |
20110050371 | Monolithically integrated active electronic circuit and waveguide structure for terahertz frequencies - An electronic system. The electronic system includes a waveguide structure having a first waveguide-coupling point and a second waveguide-coupling point and an active electronic circuit having a first circuit-coupling point and a second circuit-coupling point. The second waveguide-coupling point is coupled to the first circuit-coupling point; the system is capable of receiving an input signal at the first waveguide-coupling point and transmitting an output signal at the second circuit-coupling point and/or receiving the input signal at the second circuit-coupling point and transmitting the output signal at the first waveguide-coupling point; the input signal and the output signal have frequencies in a terahertz frequency range; and the system is fabricated as a monolithic integrated structure having the waveguide structure fabricated by micromachining and the circuit fabricated monolithically. | 03-03-2011 |
20110057749 | Surface state gain - A gain medium may be arranged to provide energy to a surface state. | 03-10-2011 |
20110074528 | Micromachined radio frequency circuit structures - A radio frequency circuit structure for transmitting radio signals includes a lower guide portion having a plurality of photocurable layers deposited on a substrate and an upper guide portion interfacing with the lower guide portion to define a guiding geometry. The upper guide portion may also include a plurality of photocurable layers deposited on a second substrate. A method for fabricating the radio frequency circuit structure includes depositing the plurality of photocurable layers on the substrate. A portion of each photocurable layer of the plurality of photocurable layers is exposed to ultraviolet light to form a latent image. The plurality of photocurable layers is developed to remove the portions not exposed to ultraviolet light to form a guide portion. The guide portion may be metalized and closed to form a guiding geometry. A lower guide portion may be closed by an upper guide portion formed in substantially the same manner as the lower guide portion. | 03-31-2011 |
20110090029 | RADIO FREQUENCY MICROWAVE WAVEGUIDE STRUCTURE AND METHOD FOR FABRICATION THEREOF - A method for fabrication of an inaccessible RF microwave waveguide structure is provided. The method includes providing an RF microwave waveguide network including an array of waveguide components that have one or more apertures in a wall. The method also includes providing one or more dummy load elements made of a ceramic material having high-temperature stable properties. The dummy load elements are mounted in a predetermined place on the wall in the vicinity of the aperture. The method also includes providing a blocking assembly configured for covering RF microwave waveguide network. The blocking assembly is connected to the RF microwave waveguide network by using dip brazing. | 04-21-2011 |
20110115579 | HIGH FREQUENCY SIGNAL COMBINING - An integrated circuit transmission system includes a dielectric substrate wave guide and first and second substrate antennas. A substrate transmitter is operable to produce an radio frequency (RF) signal, the RF signal having first and second components. A micro-strip resonator filter module generates a filtered RF signal by adjusting phases of the first and second components of the RF signal via selection of one of a plurality of selectable tap points. A third substrate antenna generates a beam formed signal for transmission through the dielectric substrate wave guide, wherein the beam form signal is directed, via the filtered RF signal, to either the first substrate antenna or the second substrate antenna. | 05-19-2011 |
20110140810 | Waveguide-backshort comprising a printed conducting layer - A system for directing electromagnetic millimeter-waves towards a waveguide using an electrically conductive formation within a Printed Circuit Board (PCB). The system includes a waveguide having an aperture and at least two laminas belonging to a PCB. A first electrically conductive surface printed on one of the laminas is located over the aperture such that the first electrically conductive surface covers at least most of the aperture. A plurality of Vertical Interconnect Access (VIA) holes, optionally filled or plated with an electrically conductive material, are electrically connecting the first electrically conductive surface to the waveguide, forming an electrically conductive cage over the aperture. Optionally, a probe printed on one of the laminas of the PCB is located inside the cage and over the aperture. | 06-16-2011 |
20110181373 | WAVEGUIDES AND TRANSMISSION LINES IN GAPS BETWEEN PARALLEL CONDUCTING SURFACES - A microwave device having a narrow gap between two parallel surfaces of conducting material by using a texture or multilayer structure on one of the surfaces. The fields are mainly present inside the gap, and not in the texture or layer structure itself, so the losses are small. The microwave device further comprises one or more conducting elements, such as a metal ridge or a groove in one of the two surfaces, or a metal strip located in a multilayer structure between the two surfaces. The waves propagate along the conducting elements. At least one of the surfaces is provided with means to prohibit the waves from propagating in other directions between them than along the ridge, groove or strip. At very high frequency the gap waveguides and gap lines may be realized inside an IC package or inside the chip itself. | 07-28-2011 |
20110205000 | DIVIDABLE WAVEGUIDE - A division type waveguide circuit is provided, in which fixing a metal cover to a waveguide body with screws can prevent radiowave leak suitably without any application of the conductive adhesive, solder and braze as a material for the radiowave leak prevention. A radiowave leak preventing plate | 08-25-2011 |
20110210807 | COAXIAL WAVEGUIDE MICROSTRUCTURES AND METHODS OF FORMATION THEREOF - Provided are coaxial waveguide microstructures. The microstructures include a substrate and a coaxial waveguide disposed above the substrate. The coaxial waveguide includes: a center conductor; an outer conductor including one or more walls, spaced apart from and disposed around the center conductor; one or more dielectric support members for supporting the center conductor in contact with the center conductor and enclosed within the outer conductor; and a core volume between the center conductor and the outer conductor, wherein the core volume is under vacuum or in a gas state. Also provided are methods of forming coaxial waveguide microstructures by a sequential build process and hermetic packages which include a coaxial waveguide microstructure. | 09-01-2011 |
20110215887 | WAVEGUIDE - A waveguide is provided that includes an elongate dielectric inner region, and an electrically conducting outer region spaced apart from the dielectric inner region. The dielectric inner region may be arranged to be flexible, and in some examples may be formed from powdered dielectric contained in a polymer tube or matrix, or in other examples may be formed from a plurality of segments. In some examples of the waveguide, each segment may be formed to have lenticular end faces, and may be formed from sintered BaTi | 09-08-2011 |
20110227674 | TUNABLE MICROWAVE ARRANGEMENTS - The present invention relates to a tunable microwave arrangement ( | 09-22-2011 |
20110285478 | PRECISION ALLOY - A precision alloy for die-casting contains aluminum, silicon and zinc, wherein on the basis of the overall mass, the content of aluminum is 40% by mass or more and 45% by mass or less, and the content of silicon is 2% by mass or more and 8% by mass or less. Also other solving means will be described. | 11-24-2011 |
20110298568 | High-Frequency Module - A high-frequency module includes a high-frequency component including a high-frequency circuit, a conductor plate including a slot, a first conductive wire, and two second conductive wires. The high-frequency component includes a signal terminal and two reference potential terminals. The signal terminal is used for at least one of input and output of a high-frequency signal. The two reference potential terminals are connected to a reference potential. The first conductive wire is connected to the signal terminal in terms of high-frequency. The first conductive wire crosses over above the slot. The two second conductive wires are connected to the two reference potential terminals in terms of high-frequency. The two second conductive wires are so disposed along the first conductive wire and do not cross over the slot. The first conductive wire and the two second conductive wires form a pair and are electromagnetically coupled to the slot. | 12-08-2011 |
20120013421 | Waveguide Structure, High Frequency Module Including Waveguide Structure, and Radar Apparatus - A waveguide structure according to one embodiment includes an upper waveguide and a mode conversion portion. The upper waveguide internally transmits a high frequency signal in TE | 01-19-2012 |
20120092091 | Radio Frequency (RF) Microwave Components and Subsystems Using Loaded Ridge Waveguide - A waveguide having a non-conductive material with a high permeability (μ, μ | 04-19-2012 |
20120092092 | INTEGRAL HIGH FREQUENCY COMMUNICATION APPARATUS - An integral high frequency communication apparatus comprises a case, a waveguide apparatus having an extension portion, and a circuit board having a signal transmitting unit and a signal receiving unit. The transceiver module having two waveguide openings is retained in the case. The case has an opening through which the extension portion extends outside of the case. The integral high frequency communication apparatus can receive and transmit high frequency signals by the extension portion. | 04-19-2012 |
20120182094 | SIGNAL TRANSMISSION DEVICE, ELECTRONIC DEVICE, AND SIGNAL TRANSMISSION METHOD - A signal transmission device includes: a transmitting device that transmits a transmission subject signal through a first waveguide as a wireless signal; and a receiving device that receives the wireless signal of the transmission subject signal transmitted from the transmitting device through a second waveguide, wherein the wireless signal is transmitted between the transmitting device and the receiving device in a state where the first waveguide faces the second waveguide. | 07-19-2012 |
20120242426 | BROADBAND WAVEGUIDE - A broadband waveguide incorporates various reflection suppression techniques to reduce reflections in signals communicated thereby. The waveguide includes one or more filaments that each include a first and second end. A first matrix may be configured proximate the first end(s) while a second matrix may be configured proximate an intermediate location between the first and second ends. A damping material may cover a portion of the filament(s) that extends from the second matrix to the second end(s) (including the second end(s) themselves) and/or the second end(s) of the filament(s) is/are shaped to at least partially suppress reflections of the signal therefrom. When configured with multiple filaments, at least two of the filaments may have differing lengths that extend from the second matrix and also operate to at least partially suppress reflections of a signal. | 09-27-2012 |
20120274424 | HIGH PERFORMANCE COUPLED COPLANAR WAVEGUIDES WITH SLOW-WAVE FEATURES - A device that includes a coplanar waveguide structure is disclosed. In an example, a device includes a coplanar waveguide structure that is oriented in a first direction, and a slot-type floating shield structure oriented proximate to the coplanar waveguide structure. The slot-type floating shield structure includes a first portion that extends transversely to the coplanar waveguide structure in a second direction and a second portion that extends from the first portion in a third direction that is perpendicular to the first direction and the second direction. | 11-01-2012 |
20120299670 | Metamaterial for converging electromagnetic waves - The present disclosure relates to a metamaterial for converging electromagnetic waves, which comprises a plurality of metamaterial sheet layers stacked integrally in an x direction. Each of the metamaterial sheet layers comprises a plurality of metamaterial units. Each of the metamaterial units has an identical substrate unit and a man-made microstructure attached on the substrate unit. The metamaterial units of each row have a same refractive index. Refractive indices of the metamaterial units of each column satisfy particular relationships. The man-made microstructure is a non-90° rotationally symmetrical structure, and an extraordinary optical axis of a refractive index ellipsoid thereof is non-perpendicular to and unparallel to the y direction. The thickness of the metamaterial can be considerably decreased while the function of converging electromagnetic waves is achieved in the present disclosure. This is favorable for making the metamaterial product miniaturized and lightweight. | 11-29-2012 |
20120306598 | SCALABLE WIDEBAND PROBES, FIXTURES, AND SOCKETS FOR HIGH SPEED IC TESTING AND INTERCONNECTS - We introduce a new Periodic micro coaxial transmission line (PMTL) that is capable of sustaining a TEM propagation mode up to THz band. The PMTL can be manufactured using current photolithographic processes. This transmission line can be embedded in microscopic layers that allow many new applications. We further use the embedded PMTL to develop a modular, scaleable and fully automated Universal Test Fixture for testing chips in various stages of development mainly for digital IC chips that can be utilized in production lines with pick and place of chips on tape to test every chip before insertion into circuits. The PMTL can also provide Confined Field Interconnects between various elements on semiconductor wafers to reduce parasitic and radiation losses and practically eliminating cross talk, thus, increasing the speed of digital IC's. The PMTL is also used to develop a Universal Test Socket, and a Hand Probe. | 12-06-2012 |
20130057366 | MICROWAVE-SENDING DEVICE - A microwave-sending device for emitting microwaves includes electronics, a wave coupler, a waveguide, and a wave-emitting section. The electronics, the wave coupler, and the waveguide are joined by a common casting. | 03-07-2013 |
20130082800 | APPARATUS FOR RECONFIGURING AN INTEGRATED WAVEGUIDE - Methods and apparatus are disclosed for wirelessly communicating among integrated circuits and/or functional modules within the integrated circuits. A semiconductor device fabrication operation uses a predetermined sequence of photographic and/or chemical processing steps to form one or more functional modules onto a semiconductor substrate. The functional modules are coupled to an integrated waveguide that is formed onto the semiconductor substrate and/or attached thereto to form an integrated circuit. The functional modules communicate with each other as well as to other integrated circuits using a multiple access transmission scheme via the integrated waveguide. One or more integrated circuits may be coupled to an integrated circuit carrier to form Multichip Module. The Multichip Module may be coupled to a semiconductor package to form a packaged integrated circuit. | 04-04-2013 |
20130082801 | SIGNAL DISTRIBUTION AND RADIATION IN A WIRELESS ENABLED INTEGRATED CIRCUIT (IC) USING A LEAKY WAVEGUIDE - Methods and apparatus are disclosed for wirelessly communicating among integrated circuits and/or functional modules within the integrated circuits. A semiconductor device fabrication operation uses a predetermined sequence of photographic and/or chemical processing steps to form one or more functional modules onto a semiconductor substrate. The functional modules are coupled to an integrated waveguide that is formed onto the semiconductor substrate and/or attached thereto to form an integrated circuit. The functional modules communicate with each other as well as to other integrated circuits using a multiple access transmission scheme via the integrated waveguide. One or more integrated circuits may be coupled to an integrated circuit carrier to form Multichip Module. The Multichip Module may be coupled to a semiconductor package to form a packaged integrated circuit. | 04-04-2013 |
20130106537 | SIGNAL PATH FOR A SMALL SIGNAL OCCURRING IN A MAGNETIC RESONANCE SYSTEM | 05-02-2013 |
20130278360 | DIELECTRIC CONDUITS FOR EHF COMMUNICATIONS - Dielectric conduits for the propagation of electromagnetic EHF signals include an elongate body of a dielectric material extending continuously along a longitudinal axis between a first terminus and a second terminus. At each point along the longitudinal axis, an orthogonal cross-section of the elongate body has a first dimension along a major axis of the cross-section, where the major axis extends along the largest dimension of the cross-section. The orthogonal cross-section also has a second dimension along a minor axis of the cross-section, where the minor axis extends along a widest dimension of the cross-section that is at a right angle to the major axis. For each cross-section of the elongate body, the first dimension is greater than the wavelength of the electromagnetic EHF signals and the second dimension is less than the wavelength of the electromagnetic EHF signals. | 10-24-2013 |
20140002211 | WAVEGUIDE-BASED WIRELESS DISTRIBUTION SYSTEM AND METHOD OF OPERATION | 01-02-2014 |
20140055216 | TRANSMISSION LINE AND METHODS FOR FABRICATING THEREOF - A transmission line comprising a transmission medium defined by a plurality of dielectric layers, wherein the dielectric layers include a first layer having a first dielectric constant, a second layer having a second dielectric constant and a third layer having a third dielectric constant being less than the first and second dielectric constant. | 02-27-2014 |
20140097917 | MICROWAVE TRANSMISSION ASSEMBLIES FABRICATED FROM CARBON NANOSTRUCTURE POLYMER COMPOSITES - Carbon nanostructures can be formed into polymer composites that are electrically conductive and highly reflective of microwave radiation, thereby facilitating transmission of the microwave radiation. Microwave transmission assemblies containing carbon nanostructures can include an elongate structure containing elongate opposing surfaces that extend the length of the elongate structure and that are spaced apart from one another with a channel region defined in between. The elongate opposing surfaces include a polymer composite containing a polymer matrix and a plurality of carbon nanostructures. Each carbon nanostructure can include a plurality of carbon nanotubes that are branched, crosslinked, and share common walls with one another. | 04-10-2014 |
20140191828 | ELECTROMAGNETIC WAVE PROPAGATION SHEET AND DISPLAY SHELF IMPLEMENTING ELECTROMAGNETIC WAVE PROPAGATION SHEET - Provided is an electromagnetic wave propagation sheet constituted by a mesh-shaped conductor layer, a planar conductor layer, and an inductor layer sandwiched therebetween, wherein the mesh-shaped conductor layer and the planar conductor layer are electrically connected to each other in an end section of the electromagnetic wave propagation sheet by a short conductor, and a mesh-shaped conductor that constitutes the mesh-shaped conductor layer has a meander shape in the vicinity of the electromagnetic wave propagation sheet end section. | 07-10-2014 |
20140240062 | Dielectric Waveguide with Deformable Interface Surface - A dielectric wave guide (DWG) has a dielectric core member that has a first dielectric constant value. A cladding surrounding the dielectric core member has a second dielectric constant value that is lower than the first dielectric constant. A mating end of the DWG is configured for mating with a second DWG having a matching non-planar shaped mating end. A deformable material is disposed on the surface of the mating end of the DWG, such that when mated to a second DWG, the deformable material fills a gap region between the mating ends of the DWG and the second DWG | 08-28-2014 |
20140285290 | Dielectric Waveguide Combined with Electrical Cable - A communication cable includes one or more conductive elements surrounded by a dielectric sheath. The sheath member has a first dielectric constant value. A dielectric core member is placed longitudinally adjacent to and in contact with an outer surface of the sheath member. The core member has a second dielectric constant value that is higher than the first dielectric constant value. A cladding surrounds the sheath member and the dielectric core member. The cladding has a third dielectric constant value that is lower than the second dielectric constant value. A dielectric wave guide is formed by the dielectric core member surrounded by the sheath and the cladding. | 09-25-2014 |
20140285291 | Dielectric Waveguide with Multiple Channels - A multichannel dielectric wave guide includes a set of dielectric core members that have a length and a cross section shape that is approximately rectangular, The core members have a first dielectric constant value. A cladding surrounds the set of dielectric core members and has a second dielectric constant value that is lower than the first dielectric constant. | 09-25-2014 |
20140340178 | MULTI-STEP DEEP REACTIVE ION ETCHING FABRICATION PROCESS FOR SILICON-BASED TERAHERTZ COMPONENTS - A multi-step silicon etching process has been developed to fabricate silicon-based terahertz (THz) waveguide components. This technique provides precise dimensional control across multiple etch depths with batch processing capabilities. Nonlinear and passive components such as mixers and multipliers waveguides, hybrids, OMTs and twists have been fabricated and integrated into a small silicon package. This fabrication technique enables a wafer-stacking architecture to provide ultra-compact multi-pixel receiver front-ends in the THz range. | 11-20-2014 |
20140368301 | Dielectric Waveguide with Conductive Coating - A dielectric waveguide (DWG) has a dielectric core member that has a length L and an oblong cross section. The core member has a first dielectric constant value. A dielectric cladding surrounds the dielectric core member; the cladding has a second dielectric constant value that is lower than the first dielectric constant. A conductive shield layer surrounds a portion of the dielectric cladding. | 12-18-2014 |
20150008990 | WAVEGUIDES - A dielectric waveguide comprising a dielectric probe at each end, wherein the dielectric probes are arranged to transfer energy. | 01-08-2015 |
20150008991 | PLANAR CIRCUIT TO WAVEGUIDE TRANSITION - Openings are formed by removing part of a ground conductor, and a differential signal line including signal line conductors is configured with some of the openings. In addition, a metal block is mounted thereon to cover the opening to thus configure a waveguide using the metal block and ground conductor as wall surfaces. A planar circuit to waveguide transition according to the above can achieve traveling wave conversions from a waveguide mode to a slot mode, and from the slot mode to a differential mode without utilizing resonance, which makes it possible to align a dominant direction of an electric field by the three ones; thus, a wider bandwidth can be expected. Thus, the wider bandwidth can be achieved with a simple layer structure. | 01-08-2015 |
20150295297 | Metallic Waveguide with Dielectric Core - A digital system has a substrate having a top surface on which a waveguide is formed on the top surface of the substrate. The waveguide is formed by a conformal base layer formed on the top surface of the substrate, two spaced apart sidewalls, and a top conformal layer connected to the base layer to form a longitudinal core region. The waveguide may be a metallic or otherwise conductive waveguide, a dielectric waveguide, a micro-coax, etc. | 10-15-2015 |
20150311575 | Miniature RF and Microwave Components and Methods for Fabricating Such Components - RF and microwave radiation directing or controlling components are provided that may be monolithic, that may be formed from a plurality of electrodeposition operations and/or from a plurality of deposited layers of material, that may include switches, inductors, antennae, transmission lines, filters, hybrid couplers, antenna arrays and/or other active or passive components. Components may include non-radiation-entry and non-radiation-exit channels that are useful in separating sacrificial materials from structural materials. Preferred formation processes use electrochemical fabrication techniques (e.g. including selective depositions, bulk depositions, etching operations and planarization operations) and post-deposition processes (e.g. selective etching operations and/or back filling operations). | 10-29-2015 |
20150356842 | ENHANCED SIGNAL AMPLITUDE IN ACOUSTIC-MAGNETOMECHANICAL EAS MARKER | 12-10-2015 |
20160006100 | METHOD FOR MAKING ELECTRICAL STRUCTURE WITH AIR DIELECTRIC AND RELATED ELECTRICAL STRUCTURES - A method has been described for making an electrical structure having an air dielectric and includes forming a first subunit including a sacrificial substrate, an electrically conductive layer including a first metal on the sacrificial substrate, and a sacrificial dielectric layer on the sacrificial substrate and the electrically conductive layer. The method further includes forming a second subunit including a dielectric layer and an electrically conductive layer thereon including the first metal, and coating a second metal onto the first metal of one or more of the first and second subunits. The method also includes aligning the first and second subunits together, heating and pressing the aligned first and second subunits to form an intermetallic compound of the first and second metals bonding adjacent metal portions together, and removing the sacrificial substrate and sacrificial dielectric layer to thereby form the electrical structure having the air dielectric. | 01-07-2016 |
20160028142 | Metal Plate Lens - Optical axis as central axis is defined as z-axis, and axes perpendicular to z-axis are defined as x- and y-axis. Metallic flat plates are formed parallel to x-z plane to overlap each other and be separated by a given distance. Multiple flat plates except the top flat plate and bottom flat plate are each provided with multiple through holes. Central flat plates are each provided with through holes of a first radius. Intermediate flat plates arranged between central flat plate and top flat plate and between central flat plate and bottom flat plate are each provided with through holes of a second radius smaller than first radius. Second radius of through holes formed in an intermediate flat plate arranged in a position farther from central flat plate is smaller than second size of through holes formed in an intermediate flat plate arranged in a position closer to central flat plate. | 01-28-2016 |
20160111765 | METALLIZED PLASTIC HIGH RADIO FREQUENCY INTEGRATED WAVEGUIDE - An integrated waveguide for use in high radio frequency communication is provided. The integrated waveguide including: a first substrate including a first plastic layer having on a first inward-facing surface, a first portion of a waveguide feature formed on the first inward-facing surface, and a metal layer disposed on the first inward-facing surface; and a second substrate including a second plastic layer having a second inward-facing surface, a second portion of a waveguide feature formed on the second inward-facing surface, and a metal layer disposed on the second inward-facing surface, wherein the first substrate and the second substrate are assembled to define an integrated waveguide feature defined by an assembling of the first portion of the waveguide feature and the second portion of the waveguide feature. | 04-21-2016 |
20160111766 | TRANSMISSION OF SIGNALS VIA A HIGH-FREQUENCY WAVEGUIDE - Provided is a signal transmission device including a high-frequency signal waveguide that transmits a high-frequency signal emitted from an electronic device. When the electronic device is arranged close to the high-frequency signal waveguide, the high-frequency signal is transmitted via the high-frequency signal waveguide. | 04-21-2016 |
20160141739 | HIGH-FREQUENCY SIGNAL TRANSMISSION LINE AND MANUFACTURING METHOD THEREOF - A high-frequency signal transmission line includes a body including a plurality of first base layers and a second base layer stacked on one another in a stacking direction. The first base layers have a first relative permeability, and the second base layer has a relative permeability lower than the first relative permeability. A first signal line and a second signal line extending along the first signal line are provided in the body. In a cross section perpendicular or substantially perpendicular to a first direction in which the first signal line extends, the second base layer occupies at least a portion of an area between the first signal line and the second signal line. In the cross section perpendicular or substantially perpendicular to the first direction, the plurality of first base layers define a loop enclosing the first signal line, the second signal line and the second base layer. | 05-19-2016 |
20160141740 | TWO-PORT TRIPLATE-LINE/WAVEGUIDE CONVERTER - A two-port triplate-line/waveguide converter in one embodiment of this invention is provided with a rectangular waveguide and two probes that connect to central conductors of separate trip late lines via slits, said slits being formed separately on two opposing inside walls of the rectangular waveguide and lying on an imaginary straight line that is perpendicular to said inside walls. The two probes, the tips of which are bent inside the rectangular waveguide, constitute monopole antennas with the aforementioned inside walls functioning as the ground planes thereof. | 05-19-2016 |
20160156089 | RADIO FREQUENCY (RF) CONDUCTIVE MEDIUM | 06-02-2016 |
20160380329 | WAVEGUIDE STRUCTURE AND METHOD FOR MANUFACTURING THE SAME - A waveguide structure of the present disclosure includes a first conductor layer, a plurality of dielectric strips which are formed so as to extend adjacently to one another on the upper surface of the first conductor layer, and a second conductor layer formed on the upper surface of the first conductor layer so as to cover the upper and side surfaces of the dielectric strips. | 12-29-2016 |
20170237139 | EMBEDDED BROADBAND GLASS COPLANAR WAVEGUIDE COUPLER | 08-17-2017 |
20190148808 | HOLLOW-WAVEGUIDE-TO-PLANAR-WAVEGUIDE TRANSITION CIRCUIT | 05-16-2019 |
333240000 | Surface wave | 7 |
20110133867 | Surface wave coupler - The RF signal generated by a ZigBee radio on the outside of a building structure is conveyed to the interior of the building by guiding it along an electric cable bundle that passes through the building's wall to supply domestic electric power to the interior of the structure. The RF signal is launched by a unique coupler comprising a pair of insulated foil conductors. | 06-09-2011 |
20110181375 | WAVEGUIDE - A waveguide comprising a SF_WG portion between a first transmission line and a second transmission line, wherein the SF_WG portion has a width greater than or equal to 75 um. | 07-28-2011 |
20150008995 | Guiding Medium - A guiding medium for guiding radio frequency (RF) electromagnetic surface waves, comprising: a first surface, the first surface having an electrical impedance suitable for the propagation of electromagnetic surface waves; and a protection layer positioned on or adjacent the first surface. | 01-08-2015 |
20150008996 | Surface Wave Launcher - A surface wave launcher for launching electromagnetic surface waves, the launcher comprising: a waveguide having a feed end and a launch end; a feed structure coupled to the feed end of the waveguide; wherein the feed structure includes a first conductor; the waveguide comprises a first planar conductive layer having a feed end and a launch end, the feed end being coupled to the first conductor; and the waveguide is arranged to be positioned adjacent a surface suitable for guiding electromagnetic surface waves, wherein the width of the first planar conductive layer tapers from the launch end towards the feed end. | 01-08-2015 |
20160064794 | GUIDED WAVE COUPLERS AND METHODS THEREOF - A dielectric waveguide coupling system for launching and extracting guided wave communication transmissions from a wire. At millimeter-wave frequencies, wherein the wavelength is small compared to the macroscopic size of the equipment, transmissions can propagate as guided waves guided by a strip of dielectric material. Unlike conventional waveguides, the electromagnetic field associated with the dielectric waveguide is primarily outside of the waveguide. When this dielectric waveguide strip is brought into close proximity to a wire, the guided waves decouple from the dielectric waveguide and couple to the wire, and continue to propagate as guided waves about the surface of the wire. | 03-03-2016 |
20160079644 | SITE PREPARATION FOR GUIDED SURFACE WAVE TRANSMISSION IN A LOSSY MEDIA - Aspects of a guided surface waveguide probe site and the preparation thereof are described. In various embodiments, the guided surface waveguide probe site may include a propagation interface including a first region and a second region, and a guided surface waveguide probe configured to launch a guided surface wave along the propagation interface. In one aspect of the embodiments, at least a portion of the first region may be prepared to more efficiently launch or propagate the guided surface wave. Among embodiments, the portion of the first region, which may be composed of the Earth, may be treated or mixed with salt, gypsum, sand, or gravel, for example, among other compositions of matter. In other embodiments, the portion of the first region may be covered, insulated, irrigated, or temperature-controlled, for example. By preparing the site, a guided surface wave may be more efficiently launched and/or propagated. | 03-17-2016 |
20160079645 | SUPERPOSITION OF GUIDED SURFACE WAVES ON LOSSY MEDIA - Disclosed are various embodiments for superposition of guided surface wave launched along the surface of a lossy medium such as, e.g., a terrestrial medium by exciting a guided surface waveguide probe. In one example, among others, a system includes an array of guided surface waveguide probes configured to launch guided surface waves along a surface of a lossy conducting medium and an array control system configured to control operation of waveguide probes in the array via one or more feed networks. The array control circuit can control operation of the guided surface waveguide probes to maintain a predefined radiation pattern produced by the guided surface waves. In another example, a method includes providing voltage excitation to first and second guided surface waveguide probes to launch guided surface waves with the voltage excitation provided to the second guided surface waveguide probe delayed by a defined phase delay. | 03-17-2016 |
333241000 | Flexible | 4 |
20080297285 | Microwave Conducting Arrangement - In order to provide a microwave-conducting arrangement, which is relatively easy, and thus cost-favorable, to fabricate, and which is suited also for complex structures and geometries, one or more electrically conductive layers are provided which are applied on a non-conductive body having a surface of any shape. A metallizing provided for such purpose on the surface of the body is, for example, produced by a vapor-deposition process, by means of a flame-spraying process, or by means of a chemical metallizing. | 12-04-2008 |
20120326813 | FLEXIBLE CABLE AND METHODS OF MANUFACTURING SAME - A flexible cable for carrying RF signals and method of manufacturing same. The cable includes an elongate base substrate including a dielectric layer with an upper metal layer deposited on one side and a lower metal layer deposited on its other side. It further includes two parallel spaced-apart series of vias formed along the length of the base substrate, each via electrically interconnecting the upper metal layer and the lower metal layer, whereby a rectangular cross-sectional waveguide is provided between the upper metal layer, the lower metal layer and the two series of vias. | 12-27-2012 |
20150318598 | FOLDED COURRUGATED SUBSTRATE INTEGRATED WAVEGUIDE - A folded corrugated substrate integrated waveguide is disclosed. The folded corrugated substrate integrated waveguide, according to one embodiment of the present invention, comprises: a first conductor plate having upper surface stubs respectively formed on both sides thereof in the lengthwise direction; a first dielectric substrate of which the upper surface is attached to the lower surface of the first conductor plate; a second conductor plate of which the upper surface is attached to the lower surface of the first dielectric substrate; a second dielectric substrate of which the upper surface is attached to the lower surface of the second conductor plate; and two stub conductor arrays spaced at a certain distance so as to be arranged in parallel to each other and attached to the lower surface of the second dielectric substrate, wherein each of the stub conductors in the two stub conductor arrays is electrically connected to a position corresponding to the upper surface stub of the first conductor plate through a via-hole which vertically penetrates the first dielectric substrate, the second conductor plate, and the second dielectric substrate. | 11-05-2015 |
20150372367 | TRANSMISSION LINE STRUCTURE - A transmission line structure includes a bandage member, a signal transmission member, an extrusion cover member and a temperature-resistant cover member. The bandage member which is formed of a bendable insulating material is shaped as a hollow conduit by winding and has a hollow accommodating space. At least one signal transmission line is disposed in the hollow accommodating space by filler, and the filler is filled between the signal wire and the bandage member. The extrusion cover member covers the outside of the bandage member, and is formed of a bendable plastic insulting material. The temperature-resistant cover member covers the outside of the extrusion cover member, and is formed of a bendable temperature-resistant material. The transmission line structure of the present invention is thereby of better structural strength as well as temperature-resistant characteristic. | 12-24-2015 |
333242000 | Circular or helical structure | 4 |
20090231066 | Transmission element for workpiece connections to be axially compressed and configuration for producing a nondetachable connection - The present invention is based on the technical problem of specifying a transmission element, using which a permanent nondetachable connection is producible employing an axial pressing technique using simple means. The technical problem is solved by a transmission element for workpiece connections to be axially compressed, with a flange section and with a transmission section. The transmission section exhibits a substantially cylindrical internal peripheral surface, and the wall thickness of the transmission section tapers from the end proximal to the flange section up to the end distal to the flange section. | 09-17-2009 |
20100052827 | Acoustic Waveguide Array - An acoustic (sound or ultrasound) wave transmitter having a plurality of waveguides is described, and a method of making such a transmitter is described. Each waveguide can have a cladded core. The cladded core is capable of transmitting acoustic wave energy from a first end surface to a second end surface of the cladded core. The waveguides can be substantially fixed relative to each other by a binder. The binder can be formed by fusing the claddings together, potting a material between the waveguides and/or mechanically holding the waveguides. | 03-04-2010 |
20110285479 | SLOW WAVE STRUCTURES USING TWISTED WAVEGUIDES FOR CHARGED PARTICLE APPLICATIONS - A rapidly twisted electromagnetic accelerating structure includes a waveguide body having a central axis, one or more helical channels defined by the body and disposed around a substantially linear central axial channel, with central portions of the helical channels merging with the linear central axial channel. The structure propagates electromagnetic waves in the helical channels which support particle beam acceleration in the central axial channel at a phase velocity equal to or slower than the speed of light in free space. Since there is no variation in the shape of the transversal cross-section along the axis of the structure, inexpensive mechanical fabrication processes can be used to form the structure, such as extrusion, casting or injection molding. Also, because the field and frequency of the resonant mode depend on the whole structure rather than on dimensional tolerances of individual cells, no tuning of individual cells is needed. Accordingly, the overall operating frequency may be varied with a tuning/phase shifting device located outside the resonant waveguide structure | 11-24-2011 |
20150028972 | METHODS AND SYSTEMS FOR PLASMA DEPOSITION AND TREATMENT - This application is directed to an apparatus for creating microwave radiation patterns for an object detection system. The apparatus includes a waveguide conduit having first slots at one side of the conduit and corresponding second slots at an opposite side of the conduit. The waveguide conduit is coupled to a microwave source for transmitting microwaves from the microwave source through the plurality of first slots. A plunger is moveably positioned in the waveguide conduit from one end thereof. The plunger allows the waveguide conduit to be tuned to generally optimize the power of the microwaves exiting the first slots. Secondary plungers are each fitted in one of the second slots to independently tune or detune microwave emittance through a corresponding first slot. | 01-29-2015 |