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Match Document Document Title
7427910 Winding structure for efficient switch-mode power converters  
Cutout and/or keep away regions are etched in the winding structure near the gapped center leg of a magnetic core. This reduces eddy current losses caused by the leakage field and improves current...
7427801 Integrated circuit transformer devices for on-chip millimeter-wave applications  
Methods are provided for building integrated circuit transformer devices having compact and optimized architectures for use in MMW (millimeter-wave) applications. The integrated circuit transformer...
7425884 Electrical device and method of producing the same  
To form a center tap (CT), at least two coils must be formed. This increases the number of steps in the winding process and decreases the workability. To prevent this, a conductor having a...
7423884 Multilayer circuit board  
A multilayer circuit board includes: two or more layers of electrical insulative base members; and two or more layers of conductive patterned layers. At least two of the conductive patterned layers...
7423509 Coil comprising several coil branches and micro-inductor comprising one of the coils  
The coil comprises a plurality of non-joined turns, each turn comprising a rectangular bottom flat section in a bottom plane and a rectangular top flat section in a top plane and two rising...
7423508 Control of eddy currents in magnetic vias for inductors and transformers in integrated circuits  
An embodiment is a magnetic via. More specifically, an embodiment is a magnetic via that increases the inductance of, for example, an integrated inductor or transformer while mitigating eddy...
7420452 Inductor structure  
An inductor structure disposed over a substrate includes a first spiral coil, a second spiral coil and at least a gain pattern. The first spiral coil includes first conducting wires and first...
7420451 Symmetrical differential inductor  
A symmetrical differential inductor including a first spiral conducting wire and a second spiral conducting wire is provided. The first spiral conducting wire has a first end and a second end, and...
7417525 High efficiency inductor, method for manufacturing the inductor, and packaging structure using the inductor  
An inductor is provided which includes a plurality of via holes vertically passing through a substrate, the substrate having insulating properties, vertical conductive portions filling the via...
7417524 Magnetic-bias ferromagnetic spiral inductor  
A semiconductor device having a semiconductor substrate and a first insulator overlying the semiconductor substrate. A spiral coil inductor overlies the first insulator and a second insulator...
7417523 Ultra-thin flexible inductor  
SMT-components known in the art usually have a thickness of approximately 1 mm and no flexibility. According to the present invention windings for an inductor are realized within a substrate,...
7415757 Method for manufacturing inductor having coil embedded dust core  
A method for manufacturing a coil-embedded dust core with a small variation in inductance value with efficiency includes a step (a) of charging soft magnetic metal powder including an insulating...
7414510 Low-profile planar transformer  
A low-profile planar transformer in one embodiment includes a rectangular frame including top and bottom recesses, a first opening through the top and the bottom, a transverse slot open to the...
7414509 Miniature surface-mount electronic component and method for manufacturing the same  
A miniature surface-mount electronic component which can ensure sufficient impact resistance and vibration resistance especially in an application to a severe use environment such as a...
7414508 Common mode choke coil and method of manufacturing the same  
The invention relates to a common mode choke coil and a method of manufacturing the same and provides a compact, low-profile, and low-cost common mode choke coil and a method of manufacturing the...
7414507 Planar transformer arrangement  
A planar transformer arrangement and method provide isolation between an input signal and an output signal. The planar transformer arrangement includes a planar medium having a first layer, a...
7414506 Semiconductor integrated circuit and fabrication method thereof  
A multilayer interconnection layer is provided on a semiconductor substrate. An inductor is provided on an insulating layer that forms the uppermost layer of the multilayer interconnection layer....
7414505 High frequency inductor having low inductance and low inductance variation and method of manufacturing the same  
An inductor used in an RF unit for a wireless communication terminal, includes first inductor means for electrically connecting an RF chip placed over a substrate at a predetermined distance from...
7408435 Coil component  
The invention relates to surface-mount type coil components having a mounting surface for mounting them on a printed circuit board or hybrid IC (HIC) and provides a low-cost coil component having a...
7408434 Inductor embedded in substrate, manufacturing method thereof, micro device package, and manufacturing method of cap for micro device package  
An inductor embedded in a substrate, including a substrate, a coil electrode formed by filling a metal in a spiral hole formed on the substrate, an insulation layer formed on the substrate, and an...
7405643 Inductor and method of forming the same  
An inductor pattern is formed on a substrate. A conductive pattern having a concave-convex structure is formed on the inductor pattern to increase a surface area of the inductor pattern. An...
7405642 Three dimensional transformer  
A three dimensional (3D) transformer includes a first coil and a second coil. Each coil includes a first port, a second port, a top layer metal line, inter-layer inner metal lines, inter-layer...
7403090 Characteristic adjustment method for inductor and variable inductor  
The invention is applicable to a characteristic adjustment method for an inductor formed by laminating a plurality of coils and electrically connecting these coils by a through hole, and is aimed...
7398589 Method for manufacturing a transformer winding  
A preferred method for manufacturing a transformer winding includes winding an electrical conductor into a first plurality of turns, placing an electrically insulating material having adhesive...
7397338 Inductor  
In substrate-mounting type inductor having a winding having conductivity, a core on which the winding is winded, and a terminal portion arranged at an end of the winding, a recessed portion which...
7397336 Coil component  
Disclosed is a coil component having a magnetic core that is made of a magnetic material, and a terminal electrode portion and a coil portion that are made of a conductive material, wherein the...
7397335 Inductance device  
The superimposition characteristics are improved in an inductance device provided with coils having sections with different numbers of windings. The inductance device includes a ring-shaped coil...
7397334 Coil component and method of manufacturing the same  
The invention relates to a coil component used as a main component of a common mode choke coil or a transformer and a method of manufacturing the same, and the invention is aimed at providing a...
7394341 Coil electric conductor, laminated coil conductor, production method of the same and electronic component using the same  
A coil electric conductor has an insulating substrate, a first conductive layer, and a second conductive layer. The first conductive layer is formed at a depression provided on a face of the...
7392581 Method for manufacturing a magnetic element  
A plate member includes a frame portion ( 51 ) provided in a state of coupling both one end portion and other end portion and mounting terminal portions ( 44 ) protruding from the one end portion...
7391293 Transformer and associated method of making using liquid crystal polymer (LCP) material  
A transformer and method of making includes first half primary and secondary windings as metallic circuits that are etched on a metallic cladding of a first liquid crystal polymer (LCP) sheet....
7391292 Inductors having interconnect and inductor portions to provide combined magnetic fields  
An on-chip inductor includes a main inductor portion configured to provide a main magnetic field of an on-chip inductor. An interconnect inductor portion is electrically coupled to the main...
7389576 Method of manufacturing micro flux gate sensor  
A method of manufacturing a micro flux gate sensor that has a good electrical connection and can be easily manufactured includes operations of forming a metal pattern, forming a first insulation...
7388462 Integrated circuit inductors  
The invention relates to an inductor comprising a plurality of interconnected conductive segments interwoven with a substrate. The inductance of the inductor is increased through the use of...
7385472 Multi-level printed circuit board interstitial vias  
A printed circuit board having interstitial vias. The printed circuit board has a plurality of overlying electrical conductors disposed within an inner region of the printed circuit board. The...
7382222 Monolithic inductor for an RF integrated circuit  
An integrated high frequency inductor is disclosed that includes first and second conductor loops. The first conductor loop is fabricated in a conductive layer of a semiconductor substrate and...
7380328 Method of forming an inductor  
The invention includes a stacked open pattern inductor fabricated above a semiconductor substrate. The stacked open pattern inductor includes a plurality of parallel open conducting patterns...
7378931 Multilayer coil component  
A multilayer coil component is formed such that ceramic green sheets having coil conductors and via hole conductors are laminated. The multilayer coil component includes therein a spiral coil in...
7378930 Magnetic ferrite and magnetic device containing the ferrite  
A magnetic ferrite operating well in the GHz zone, and a magnetic device of superior high frequency characteristics which uses the magnetic ferrite for its magnetic core. The magnetic ferrite...
7375977 Multilayered electronic component  
A multilayered electronic component that is easy to manufacture and that has excellent electrical characteristics includes end portions of coil wiring patterns that oppose a coil connection...
7375610 Transformer and assembling process thereof  
A transformer includes a magnetic core assembly, a circuit board, a plurality of pins and at least an interface layer. The magnetic core assembly includes a first magnetic part and a second...
7375609 Multilayer laminated circuit board  
A multi-layer laminated circuit board 10 A of the present invention is formed by laminating together a multi-layer transformer 10 , a multi-layer part sheet 30 formed with a multi-layer part,...
7375608 Solid electrolytic capacitor and manufacturing method thereof  
The multi-layer transformer 10 of the present invention comprises a composite sheet 14 a comprising a center magnetic pattern 11 a and peripheral magnetic pattern 12 a that are formed at...
7373715 Method of adjusting a characteristic of wire-wound type chip coil by adjusting the space between conductive wires  
A wire-wound type chip coil can take various inductance values while maintaining its outer dimension at a specified fixed value. A chip coil is formed by winding at least two conductive wires...
7372352 Transformer for varying inductance value  
There is provided a transformer for varying an inductance value, which adjusts a tuning range of the inductance without decrease of the inductor's capability by selectively connecting switches to...
7370403 Method of fabricating a planar spiral inductor structure having an enhanced Q value  
Within a method for fabricating an inductor structure there is first provided a substrate. There is then formed over the substrate a planar spiral conductor layer to form a planar spiral inductor,...
7369028 Coil component  
A coil component includes a first coil block and a second coil block that are sandwiched between magnetic substrates so as to form a chip body, and external electrodes that are attached to the chip...
7369027 High frequency magnetic thin film, composite magnetic thin film and magnetic device using them  
A high frequency magnetic thin film characterized by comprising a first layer made of a T-L composition (here, T is Fe or FeCo, and L is one or more of C, B, and N) and a second layer comprising a...
7367113 Method for fabricating a transformer integrated with a semiconductor structure  
A substrate is provided and a top interconnection metal layer and a primary winding layer are formed thereon. Then a passivation layer having a plurality of via exposed parts of the top...
7365629 Surface-mount coil package and method of producing the same  
A substrate is prepared that includes substrate segments arranged in series in the X and Y directions. The substrate segments are respectively provided with circuit patterns on its one side and...
Matches 1 - 50 out of 1442 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 >