|
Match
|
Document |
Document Title |
|
|
6710255 |
Printed circuit board having buried intersignal capacitance and method of making
A first signal path is connected to a first plane via a plated hole. A first metal flood is connected to the plated hole to form a first plate. A second signal path is on a second plane. A second...
|
|
|
6703907 |
Circuit technique for increasing effective inductance of differential transmission lines
An electronic apparatus with a high inductive reactance for differential signals per unit area and a small inductive reactance for common-mode signals relative to its inductive reactance for...
|
|
|
6700463 |
Transmission line structure for reduced coupling of signals between circuit elements on a circuit board
A transmission line structure for reduced coupling of signals between circuit elements. The structure includes an RF transmission line disposed on a circuit board ( 100 ) formed from a dielectric...
|
|
|
6696906 |
Low dielectric loss signal line having a conductive trace supported by filaments
A circuit board or microelectronic device in which conductive signal lines are suspended or supported by filaments in air, rather than surrounded by a solid dielectric material. Dry air has a low...
|
|
|
6686808 |
Coplanar stripline with corrugated structure
A coplanar stripline is provided, including a dielectric substrate, and first and second strip conductors, which are each formed on the dielectric substrate, parallel to each other and separated by...
|
|
|
6686819 |
Dual referenced microstrip
Structures and methods are provided for dual referenced microstrip structures having low reference discontinuities between a microstrip trace referenced to a primary reference plane as compared to...
|
|
|
6677838 |
Coplanar waveguide with a low characteristic impedance on a silicon substrate using a material with a high dielectric constant
A coplanar waveguide, which has parallel conductor strips that are arranged on a substrate and have an electrically insulating intermediate space between one another, wherein a material with a high...
|
|
|
6674347 |
Multi-layer substrate suppressing an unwanted transmission mode
A multi-layer substrate comprises a first dielectric layer, a coplanar waveguide line formed on a first surface of the first dielectric layer, the coplanar waveguide line including a signal...
|
|
|
6667672 |
Compact high power analog electrically controlled phase shifter
A high power ferrite microwave phase shifter that is both compact and low cost. The ferrite phase shifter includes a waveguide having a first cylinder and a second cylinder, the radius of the...
|
|
|
6665927 |
Cutting a ground plane to remove circuit board resonance
A method for decreasing resonance in a printed circuit board (PCB) uses cuts in a ground plane to slow a signal passing through the ground plane. Cuts in the ground plane may be used alone or in...
|
|
|
6661316 |
High frequency printed circuit board via
A printed circuit board (PCB) via, providing a conductor extending vertically between microstrip or stripline conductors formed on separate layers of a PCB, includes a conductive pad surrounding...
|
|
|
6657523 |
Stacked radio-frequency module
A stacked radio-frequency module is formed by stacking packages each storing MMICs and mounting another package upside down which stores a control circuit for controlling MMICs. The MMICs and...
|
|
|
6653915 |
Coaxial transmission lines having grounding troughs on a printed circuit board
A method of forming a coaxial transmission line on a high density PCB. A metal layer ( 102 ) on the PCB ( 104 ) forms the bottom part of the shield, and is covered by a first dielectric ( 112 )....
|
|
|
6646605 |
Tunable reduced weight artificial dielectric antennas
A tunable artificial dielectric material achieves the weight reductions made possible in U.S. Pat. No. 6,075,485 and further achieves even higher resonant frequency tuning ratios. In one embodiment...
|
|
|
6639487 |
Wideband impedance coupler
The invention is directed to a method for matching characteristic impedances in a wideband manner. The matching of characteristic impedances is realized by tapering a conductor inside a wall...
|
|
|
6636126 |
Four port hybrid
The present invention relates to a four port hybrid comprising a first set ( 10 ) of N coupled transmission lines ( 10 A, 10 B, 10 C, 10 D, 10 E, 10 F, 10 G, 10 H, 10 I) and a second set (...
|
|
|
6636131 |
Method for manufacturing filter using coupling coefficient function
In a method for manufacturing a filter including a plurality of resonators arranged in series, a shape of the resonators and a number of the resonators are determined, so that an amount of...
|
|
|
6633207 |
Continuous transmission line with branch elements, resonator, filter, duplexer, and communication apparatus formed therefrom
A transmission line, a resonator, a filter, a duplexer, and a communication apparatus efficiently minimize power losses due to edge effects, thereby having superior loss-reduction characteristics....
|
|
|
6625682 |
Electromagnetically-coupled bus system
The present invention provides a mechanism for supporting high digital bandwidth in a multi-drop bus system. A first device of the system is electrically coupled to a bus. Multiple receiving...
|
|
|
6624729 |
Slotted ground plane for controlling the impedance of high speed signals on a printed circuit board
A circuit in a printed circuit board includes a trace and a ground plane coupled to the trace that includes slots in the vicinity of the trace. The slots are dimensioned and arrayed such that the...
|
|
|
6621384 |
Technology implementation of suspended stripline within multi-layer substrate used to vary time delay and to maximize the reach of signals with high data rates or high frequencies
A technique for providing a multi-layer substrate which is capable of signal transmission at multiple propagation speeds is disclosed. In one embodiment, the technique is realized by constructing a...
|
|
|
6608535 |
Suspended transmission line with embedded signal channeling device
A suspended transmission line with an embedded signal channeling device includes a support layer and a conductor supported by the support layer between first and second plates each having a ground...
|
|
|
6603376 |
Suspended stripline structures to reduce skin effect and dielectric loss to provide low loss transmission of signals with high data rates or high frequencies
A technique for improving signal reach and signal integrity when using high bit rates or high signal frequencies is provided. A multi-layer substrate comprises a conductor having a continuous main...
|
|
|
6593833 |
Tunable microwave components utilizing ferroelectric and ferromagnetic composite dielectrics and methods for making same
A passive microwave component with constant impedance and electrically adjustable phase length utilizes a microstrip or stripline transmission line geometry incorporating a composite dielectric...
|
|
|
6590466 |
Circuit board having shielding planes with varied void opening patterns for controlling the impedance and the transmission time of differential transmission lines
A flexible circuit board with specific shielding planes is used for low voltage differential transmission mode circuits. Both the impedance and the transmission time for the transmission line in...
|
|
|
6577211 |
Transmission line, filter, duplexer and communication device
A conductor line is formed on the upper side of a dielectric plate, and a ground electrode is formed on the underside. Further, electrode non-formation portions are distributed at intervals a in...
|
|
|
6570464 |
High frequency apparatus
A high frequency apparatus includes a dielectric substrate having a surface including a first area and at least one second area; a first dielectric thin layer provided on a portion of a first area;...
|
|
|
6559377 |
Grounded flexible printed circuitry with improved impedance characteristics
A flexible printed circuitry member includes an elongated flexible insulating substrate with a plurality of signal conductors extending longitudinally along one side of the substrate. A grounding...
|
|
|
6556849 |
Switchable superconductive inductor
An inductor for microwave frequencies has a substantially planar structure and is constructed of a transmission line designed as a linear microstrip element made of a central line comprising normal...
|
|
|
6552635 |
Integrated broadside conductor for suspended transmission line and method
A suspended transmission line includes a dielectric support layer having a first side and a second side. The conductor is supported between first and second ground planes and includes a first part...
|
|
|
6545571 |
Tunable HE&ogr &ggr &dgr mode dielectric resonator
A HE 0γδ mode dielectric resonator ( 12 ) includes a cylindrical dielectric disk ( 32 ) having top and bottom ends ( 20, 22 ) spaced apart by a closed curve wall ( 24 ). The dielectric disk ( 32...
|
|
|
RE38062 |
Microwave and millimeter wave stripline filter and process for fabricating same
Pre-fired ceramic substrates are elected according to the desired electrical performance of the filter. If necessary for enhanced performance, the surfaces of the substrate may be lapped to assure...
|
|
|
6535089 |
High-frequency circuit device and communication apparatus using the same
A high-frequency circuit device solves problems caused by a spurious mode reflection generated at a part where propagation of a spurious mode wave is prevented, with the result that propagation of...
|
|
|
6535088 |
Suspended transmission line and method
A suspended transmission line includes a lossy dielectric support layer having a first side and a second side. A conductor is supported between first and second ground planes by the lossy support...
|
|
|
6531932 |
Microstrip package having optimized signal line impedance control
A method for fabricating a microstrip package to optimize signal trace impedance control is disclosed. The method includes patterning a plurality of signal traces on a multilayer substrate, and...
|
|
|
6529105 |
Process and device for bonding two millimeter elements
A device, and a method for making the same, for bonding two millimeter elements, which include a substrate having an upper face and a lower face, a conducting line on the upper face and oriented...
|
|
|
6525631 |
System and method for improved microstrip termination
A microstrip termination is provided with a thin film resistor connecting a transmission line to a tapered edge ground, enabling high frequency performance, such as for optical modulators. The...
|
|
|
6518864 |
Coplanar transmission line
The present invention provides a transmission line structure comprising: a dielectric substrate having first and second surfaces; a signal conductive layer selectively provided on the first surface...
|
|
|
6518844 |
Suspended transmission line with embedded amplifier
A suspended transmission line with an embedded amplifier includes a support layer and a conductor supported on the support layer between first and second plates each having a ground plane. The...
|
|
|
6512423 |
Printed board, method for producing the same, and electronic device having the same
A printed board having a structure for equalizing propagation times on transmission lines connecting the same pair of circuit elements at several terminals. The structure controls each propagation...
|
|
|
6504189 |
Semiconductor device having a microstrip line
A microstrip line includes a first conductor pattern formed on a substrate, a second conductor pattern formed on the first conductor pattern with a width substantially identical with a width of the...
|
|
|
6501352 |
High frequency wiring board and its connecting structure
A high frequency wiring board having a high frequency transmission line having a signal conductor line formed on the surface of a dielectric board and a grounding layer formed inside or on the...
|
|
|
6489930 |
Dielectric leaky-wave antenna
A dielectric slab is arranged on one surface of a ground plane to form a transmission guide for transmitting an electromagnetic wave along the surface from one end to the other end between the...
|
|
|
6483403 |
Filter element and fabrication thereof
The invention includes a filter element comprising a dielectric substrate and a strip conductive pattern formed on the dielectric substrate. The dielectric substrate has cavities with apertures on...
|
|
|
6472960 |
Complex circuit board with an electrode and air gap between dielectric and magnetic substrates
In a complex circuit board, the positional relationships between element portions, including an electrode pattern, a dielectric substrate and a magnetic substrate, can be adjusted as desired, and...
|
|
|
6448874 |
Resonant line constructed by microstrip line which is easy to be trimmed
This resonant line comprises a plurality of microstrip lines. The length of each of the microstrip lines is set so that the reactance between one end of each of the microstrip lines and the ground...
|
|
|
6433650 |
Electrical transmission arrangement
The invention relates to an electrical transmission arrangement comprising a first section of a conductor with a main extension in a first and a second plane, and a first section of a ground plane...
|
|
|
6433408 |
Highly integrated circuit including transmission lines which have excellent characteristics
An integrated circuit is composed of a substrate, a first conductor formed on the substrate, an insulating film formed on the first conductor and the substrate, a second conductor formed on the...
|
|
|
6429752 |
Electrical transmission line arrangement having displaced conductor sections
The invention relates to an electrical transmission arrangement comprising a first section of a conductor with a main extension in two planes, and a first section of a ground plane which extends...
|
|
|
6414573 |
Stripline signal distribution system for extremely high frequency signals
A microwave stripline signal distribution system utilizes a central conductor that is supported on a substrate, which is itself captured and supported between two foam layers. External ground plane...
|