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| Number | Title | Issue Date |
| 8058964 | Laminated coil component In an open magnetic circuit type laminated coil component having a laminate formed by laminating a magnetic layer and a non-magnetic layer or a low magnetic permeability layer and a coil conductor disposed in the laminate, a zirconium oxide is included in the non-ma... | 11/15/2011 |
| 8022805 | Spiral inductor device A spiral inductor device is provided. The spiral inductor device comprises an insulating layer disposed on a substrate. A spiral conductive trace with multiple turns is disposed on the insulating layer, wherein the outermost turn and the innermost turn of the spiral... | 09/20/2011 |
| 7982576 | Transformer A transformer includes a first electrical conductor, a second electrical conductor and a core. The second electrical conductor is electromagnetically coupled with the first electrical conductor. The second electrical conductor includes at least one multilayer spiral... | 07/19/2011 |
| 7924135 | Transformer A transformer, adapted for being configured in a wiring substrate, is provided. The transformer includes a first plane coil and a second plane coil. The first plane coil includes a plurality of first loops. The second plane coil includes a plurality of second loops.... | 04/12/2011 |
| 7920043 | Planar magnetic device and power supply IC package using same A planar magnetic device 1 includes a first magnetic layer 3 and a second magnetic layer 5 that are made of a mixture of a magnetic powder 7 and a resin, and a planar coil 4 disposed between the magnetic layers. When the planar coi... | 04/05/2011 |
| 7911313 | Inductors for integrated circuit packages An inductor may be formed from a magnetic film on a package substrate. Conductors coupled either to a die or a voltage converter extend perpendicularly through the film to conductive plates, defining current paths through and across the film. ... | 03/22/2011 |
| 7821375 | Multiphase voltage regulator having coupled inductors with reduced winding resistance A multiple phase buck converter or boost converter, or buck-boost converter has an inductor in each phase. The inductors are inversely coupled. In a first embodiment, the converter includes a toroidal magnetic core with inductors extending under and over opposite si... | 10/26/2010 |
| 7764158 | Electromagnetic induction type processing apparatus An electromagnetic induction type processing apparatus includes a coil and a functional device. The coil is configured to generate electromotive force from a magnetic field supplied from the outside. The functional device is configured to operate with the electromot... | 07/27/2010 |
| 7443279 | Coil package and bias tee package A coil package which makes it easy to handle a high-frequency cone/pyramid-shaped coil and enhance frequency characteristics without degrading the characteristics of the coil. The cone/pyramid-shaped coil has a conical or pyramidal shape formed by wiring a conductor... | 10/28/2008 |
| 7439840 | Methods and apparatuses for high-performing multi-layer inductors Embodiments of the present invention may provide for high-performing inductor structures utilizing multi-layer organic stackups. In particular, these high-performing inductor structures may be formed of one or more stitched metal layer building blocks, which are eac... | 10/21/2008 |
| 7439842 | Laminated balun transformer A laminated balun transformer that achieves improved balance characteristics and prevents the occurrence of parasitic inductance has an impedance transformation ratio of one to four and outputs balanced signals generated from an unbalanced signal. The laminated balu... | 10/21/2008 |
| 7436280 | High-voltage transformer winding and method of making An electric winding is formed by the juxtaposition of several disks, each disk being made of an electric insulating material of good thermal conductivity and presenting a spiral-shaped groove in which an electric conductor is accommodated. The winding is applicable ... | 10/14/2008 |
| 7432792 | High frequency thin film electrical circuit element An electrical inductor circuit element comprising an elongate electrical conductor coupled magnetically with thin layers of magnetic material extending along at least a part of the conductor above and below the conductor. The aspect ratio of the thickness of each of... | 10/07/2008 |
| 7432794 | Variable integrated inductor A variable integrated inductor is described herein which has an inductance value that can be switched between two or more values. In the preferred embodiment, the variable integrated inductor includes a multi-loop primary inductor which is electromagnetically couple... | 10/07/2008 |
| 7429899 | Reduced eddy current loss in LC tank circuits Placing inductors or resistors in parallel causes the combined value of inductance or resistance to decrease according to the parallel combination rule. This invention decreases the parasitic resistance of an inductor by placing several inductors in parallel. Furthe... | 09/30/2008 |
| 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 plurality of plate portions that are connected to each other at one vertex of... | 09/16/2008 |
| 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 currents therein that may limit the operation of the inductor or transforme... | 09/09/2008 |
| 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 sections. The turns fill almost all of the enveloping surface of the coil, a... | 09/09/2008 |
| 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, preferably by using copper layers which are already in the substrate. Then... | 08/26/2008 |
| 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 holes, and horizontal conductive portions connecting each individual vert... | 08/26/2008 |
| 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 overlies the spiral coil inductor. A patterned ferromagnetic film overlies... | 08/26/2008 |
| 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 same. A common mode choke coil has a general outline in the form of a ... | 08/19/2008 |
| 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 the substrate that are enclosed by an interlayer dielectric layer and ... | 08/19/2008 |
| 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 low direct-current resistance. A common mode filter includes a bridg... | 08/05/2008 |
| 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 external connection pad formed on the insulation layer to be connecte... | 08/05/2008 |
| 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 outer metal lines and a bottom layer metal line. Each metal line of the f... | 07/29/2008 |
| 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 at providing a method which can easily adjust the characteristic of th... | 07/22/2008 |
| 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 coil component with a small size and a low height having high differenti... | 07/08/2008 |
| 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 inductor portion and is configured to provide an interconnect magnetic field... | 06/24/2008 |
| 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. Secondary windings are positioned in spaced relation to the primary windi... | 06/24/2008 |
| 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 coatings and films of ferromagnetic materials such as magnetic metals, alloy... | 06/17/2008 |
| 7375609 | Multilayer laminated circuit board A multi-layer laminated circuit board 10A 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, and a wiring sheet 50 formed with a circuit patt... | 05/20/2008 |
| 7375608 | Solid electrolytic capacitor and manufacturing method thereof The multi-layer transformer 10 of the present invention comprises a composite sheet 14a comprising a center magnetic pattern 11a and peripheral magnetic pattern 12a that are formed at the center and periphery respecti... | 05/20/2008 |
| 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, wherein a successive series of spirals within the planar spiral condu... | 05/13/2008 |
| 7365628 | Semiconductor apparatus A semiconductor apparatus having a semiconductor chip, a first coil electrically connected to the semiconductor chip and a first electrode electrically connected to the first coil is comprised of a second electrode which can be electrically connected to the first el... | 04/29/2008 |
| 7365627 | Metal-insulator-metal transformer and method for manufacturing the same The invention is directed to a method for manufacturing a metal-insulator-metal transformer together with a capacitor. The method comprises steps of providing a substrate having at least a dielectric layer formed thereon and then forming a first metal layer of the m... | 04/29/2008 |
| 7365626 | Magentic device A magnetic device of smaller size and lower profile comprising a coil conductor of high inductance and low resistance is provided. The magnetic device comprises a coil conductor and a multilayer magnetic layer formed so as to cover the periphery of the coil conducto... | 04/29/2008 |
| 7362205 | Common-mode filter A common-mode filter comprises a first conductor layer, a second conductor layer, and an insulating layer placed between the first and second conductor layers. The first conductor layer has a first spiral part formed such as to draw a convolution and a first lead el... | 04/22/2008 |
| 7362204 | Inductance with a midpoint An inductance with a midpoint formed in a monolithic circuit, comprising a first conductive spiral integrally formed in a first conductive level, a second conductive spiral integrally formed in a second conductive level, and a via of spiral interconnection at the po... | 04/22/2008 |
| 7339452 | Embedded inductor and application thereof An embedded inductor suitable for a wiring board is provided. The wiring board having a plurality of patterned conductive layers and a plurality of insulating layers, and one of the insulating layers is disposed between any two adjacent of the patterned conductive l... | 03/04/2008 |
