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Patent Searching and Data


Matches 401 - 450 out of 3,859

Document Document Title
WO/2004/017455A1
A conductive film is formed on a substrate wherein an MEMS circuit has been manufactured; a dielectric A film having a low dielectric constant and a dielectric B film having a high dielectric constant are formed on the conductive film; a...  
WO/2004/012297A2
A suspended stripline device and method for manufacturing thereof. The device includes first and second conductive traces disposed on a dielectric substrate, each of the first and second conductive traces having a first edge and a second...  
WO/2004/006382A1
The invention relates to an electrical system (5), especially a microelectronic or microelectromechanical high frequency system, comprising a base body (10) provided with a via (13). A first conductive structure (11) extending on an uppe...  
WO/2004/004061A1
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 inc...  
WO/2004/004434A1
A multi-layer stripline assembly (70) interconnection includes a first stripline sub-assembly (10a) having a first surface and a first plurality of vias (20) disposed in the first surface adapted to receive a plurality of solid metal bal...  
WO/2003/100846A2
The aim of the invention is to improve the high-frequency characteristics of high-frequency substrates or high-frequency conductor assemblies. To achieve this, the invention provides a glass material for producing insulation layers for h...  
WO/2003/095707A2
Enhanced Electrochemical fabrication processes are provided that can form three-dimensional multi-layer structures using semiconductor based circuitry as a substrate. Electrically functional portions of the structure are formed from stru...  
WO/2003/095709A2
Multilayer structures are electrochemically fabricated from at least one structural material (e.g. nickel ), that is configured to define a desired structure and which may be attached to a substrate, and from at least one sacrificial mat...  
WO/2003/095706A2
In some embodiments, multilayer structures are electrochemically fabricated from at least one structural material (e.g. nickel), at least one sacrificial material (e.g. copper), and at least one sealing material (e.g. solder). In some em...  
WO/2003/096379A2
An electrical component and a method of constructing it are disclosed. The component includes a hollow tubular structure. The structure includes a series of axially spaced apart rings (43) and at least one outer perimeter housing member ...  
WO/2003/096473A1
A filter element (28) having planar (48) or cavity (30) geometry having applied thereto a coating (38, 39, 50, 53) of temperature super conducting (HTS) material characterised in that said filter element (28) or said coating of HTS mater...  
WO/2003/095710A2
Multi-layer structures are electrochemically fabricated by depositing a first material, selectively etching the first material (e.g. via a mask), depositing a second material to fill in the voids created by the etching, and then planariz...  
WO2003036336A9
A waveguide device (30) having a plurality of waveguide members is provided. The waveguide device is of an integral cast construction and is configured so that the cross-sectional dimensions of each waveguide member decrease along an axi...  
WO/2003/090307A1
A planar circulator assembly includes a dielectric substrate having a first surface and an opposing second surface, a plurality of circulator circuits, each circulator circuit having a first ferrite receiving pad disposed on the first su...  
WO/2003/079483A1
It is possible to provide a high-performance waveguide type ortho mode transducer capable of reducing its size and axis and increasing the band region. The waveguide type ortho mode transducer includes a first rectangular main waveguide ...  
WO/2003/069722A1
The present invention relates to an integrated circuit comprising a cofired assembly (30) of a plurality of layers (20, 32) of a dielectric carrier of circuit elements. The integrated circuit further comprises a film (20) including a mat...  
WO/2003/059570A1
A machine for the automated assembly of wafers such as solar cells into strings having a control system (PLC), a cell loader with wafer inspection station (2) a cell tab loader (4), a string assembly station (5), and a platen with adjace...  
WO/2003/059025A2
A delay line comprises a spirally coiled strip transmission line encapsulated within conductive ground discs. In an advantageous embodiment the delay line is a monolithic ceramic structure produced by forming the stripline (20) on green ...  
WO/2003/056657A1
The present invention relates to a method for fabricating a cavity (11, 21, 51) in substrate (10, 30, 501) for a component for electromagnetic waves, the method comprising providing said cavity by removal of material from said substrate ...  
WO/2003/055004A1
The invention concerns a waveguide comprising a main tubular element having a tubular portion (2) with constant cross-section extended by a substantially truncated flared portion (3), the tubular portion(2) bearing several cylindrical ca...  
WO/2003/050909A1
A circuit board device having a filter element has a base board (4), a circuit section (2) mounted on the base board (4), a filter element (5) disposed between the circuit section (2) and the base board (4), and a semiconductor component...  
WO/2003/050852A2
Various embodiments of the invention are directed to various microdevices including sensors, actuators, valves, scanning mirrors, accelerometers, switches, and the like. In some embodiments the devices are formed via electrochemical fabr...  
WO/2003/049514A2
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&sol or from a plurality of deposited layers of material, that may...  
WO/2003/047023A1
A hollow waveguide (1) has a wall (3) having plural pegs (16) thereon. The pegs (16) which project into the hollow interior of the waveguide (1) such that the waveguide (1) propagates electromagnetic waves only below a certain frequency....  
WO/2003/032432A2
A circulator comprises a housing (10) in two halves (12, 11) with a ferrite (18) and associated magnet (16) in a central portion of a first one of the halves (12), the second housing-half (11) above the ferrite having a membrane (32) whi...  
WO/2003/032696A1
A thermoplastic resin composition having a dielectric loss tangent of 0.01 or less at 1 kHz to 20 GHz, an Izot impact strength of 2 kJ&sol m or more, and a heat distortion temperature of 110 °C or more under 18.6 kgf load is formed on a...  
WO/2003/028147A1
A method is provided for forming a waveguide in a printed circuit board, This may include forming a trench in a printed circuit substrate and forming at least one metalized surface along the trench. A metalized capping surface may be pro...  
WO/2003/021712A1
A production method for a band−pass micro−strip filter which need not conduct an adjusting process on the central frequency in a pass band based on the frequency characteristics of a filter that have be previously measured and inspec...  
WO/2003/007427A1
A flexible antenna array comprises a plurality of layers of thin metal and a flexible insulating medium arranged as a sandwich of layers. Each layer of the sandwich is patterned as needed to define: (i) antenna segments patterned in one ...  
WO/2003/005482A1
A method of manufacturing a waveguide, comprising the steps of forming through holes (25) in the flange parts (23) of a pair of waveguide units (20) and (21), connecting the pair of waveguide units (20) and (21) having the through holes ...  
WO/2002/103087A1
The invention relates to a process for reducing the dimensions and dramatically reducing the manufacturing cost, and of increasing the reliability of microwave components such as antennae (2), poer dividers, filters, directional couplers...  
WO/2002/101871A1
A transmission line of striptype includes a dielectric having a local dielectric constant alternating between at least two different values. It can be manufactured by applying a first layer (3) of a material having a first dielectric con...  
WO/2002/087870A1
The invention is directed to methods for producing substrates (24) for electric circuits, particularly microwave frequency circuits, and electric components (52-62) for mounting thereon employing of polymers and filler materials, the lat...  
WO/2002/078125A1
The invention relates to a waveguide slot antenna and a method of manufacturing. More particularly, the invention relates to a waveguide slot antenna designed in a multi-layer structure in the form of waveguide slot with the characterist...  
WO/2002/073734A1
A filter which has suspended metal structures which are surrounded by a metal shield on all sides, except at the input and output ports. The shape of the metal determines the type of filter. The signal can be coupled into and out of the ...  
WO/2002/071532A1
A dielectric filter includes resonator electrodes, an inter-stage coupling capacitor electrode, and an input/output coupling capacitor electrode on dielectric substrates, respectively. The resonator electrodes are electro-magnetically co...  
WO/2002/046804A2
Circulator and method of making that includes the steps of providing a central substrate (11) with at least one cut-out section (14) and circuit lines (12). A magnet (10) is placed within the cut-out section (14). Ferrites and steel plat...  
WO/2002/041440A1
A coaxial pipe elbow and a method of manufacturing the pipe elbow; the coaxial pipe elbow, comprising an outer conductor (10) and an inside conductor (20) stored in the outside conductor pipe (10) having bent parts (12, 21D) bent to spec...  
WO/2002/037910A1
The invention relates to a microwaveguide that is integrated in the dielectric layer of a conductor carrier, e.g. a printed circuit board. The waveguide enables differeht types of active and/or passive functions intened to influence the ...  
WO/2002/033783A2
A low cost, reduced complexity antenna fabrication scheme employs a section of thin, lightweight flex circuit decal, rather than a wire, as the antenna's radiation element. In order to support and contour the flex circuit decal in a thre...  
WO/2002/019467A1
The invention relates to an electric component comprising a base body (1), which has a top side and a bottom side and which is at least partially comprised of a dielectric. On said top side, a raised or recessed delimiting structure (2) ...  
WO/2002/011241A1
A helical antenna is disclosed, produced by using wire in a rolling or winding process and comprising a helical piece and a contact piece. The spring properties of the contact piece permit advantageous contact-forming possibilities durin...  
WO/2001/099225A1
A composite substrate type circulator comprising a conductive thin film formed on a ferrite disc (10) and a second dielectric material film (4) for constructing a circulator circuit, the conductive thin film being made of a three-layered...  
WO/2001/097324A1
Components for systems and apparatus of high frequency signals, in particular filters, duplexer, supports, containers and the like, characterized by a molded body in zinc alloy especially of the ZAMA family, preferably of the alloy comme...  
WO/2001/095425A1
A multi-layer circuit board including top (40), middle (24), and bottom (18) dielectric layers, a conductive pattern (44) disposed on the top surface (42) and a ground layer (46) disposed on the bottom surface of the top dielectric layer...  
WO/2001/095684A1
The idea of the invention is to form a cavity in a multilayer substrate at the point of the structure to be trimmed. This enables the embedding of tolerance critical components inside substrates, such as printed circuit boards, modules, ...  
WO/2001/086751A1
When manufacturing waveguides, for example densely located waveguide channels, for electromagnetic waves such as microwaves, the channels are produced from rod-shaped bodies (1) of a material permeable to the waves and non significantly ...  
WO2000026149A9
Embedded, coupled, shaped waveguide resonators having conductive walls sandwiched between two fired green tape stacks, said conductive walls having apertures therein whose size and location determine the degree of coupling. These wavegui...  
WO/2001/069719A2
A radio frequency aperture comprising a plurality of insulating layers disposed in a stack, each layer including an array of conductive regions, the conductive regions being spaced from adjacent conductive regions. Also disclosed is meth...  
WO/2001/050198A2
The invention relates to a method for production of three-dimensionally arranged conducting and connecting structures for volumetric and energy flows. Various light-setting materials are used for the production of the layers. Upon exchan...  

Matches 401 - 450 out of 3,859