Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 8106739 | Magnetic induction devices and methods for producing them A magnetic induction device (MID) is disclosed. The MID includes a core, and at least one first winding including at least one conductive strip deposited on the core and including at least two turns which are substantially simultaneously shaped. Related apparatus an... | 01/31/2012 |
| 8058963 | Coil component and power-supply device provided therewith The coil component includes a magnetic core 130 and conductors 210 and 220. The magnetic core 130 includes through-holes that are made by grooves 111 and 112. The conductors 210 and 220 are provided in the groo... | 11/15/2011 |
| 7973636 | Impedance transformer and applications thereof An impedance transformer includes a first winding and a second winding. The first winding includes a first plurality of winding components, wherein each of the first plurality of winding components is on a corresponding layer of a first set of layers of a supporting... | 07/05/2011 |
| 7911312 | Magnet pole for magnetic levitation vehicles A magnetic pole for magnetic levitation vehicles is described which pole comprises a core (1) and a winding (16) applied on it in form of a disc which is formed by a conductor strip (17) wound in several layers (10a) . . . 10 | 03/22/2011 |
| 7868729 | Stacked device assembly with integrated coil and method of forming same A stacked semiconductor device assembly (20) includes a device (24) having conductive traces (34) formed therein, and conductive interconnects (28) electrically connected to the conductive traces (34). Another device (26) ha... | 01/11/2011 |
| 7852189 | Packaged spiral inductor structures, processes of making same, and systems containing same A spiral inductor is disposed above a substrate that includes two different materials. A dielectric film is the first material that provides structural integrity for the substrate. A second dielectric is the second material that provides a low dielectric-constant (l... | 12/14/2010 |
| 7786840 | Optimal packaging geometries of single and multi-layer windings The present invention is an optimized geometry for stacking multiple windings, where each winding multiple-turn coil having both a start lead and a finish lead on a perimeter of the coil. The start lead of each winding of the stack is indexed respective of adjacent ... | 08/31/2010 |
| 7760064 | Apparatus for providing windings in an electromagnetic device and method for making the apparatus An apparatus includes an electrically conductive generally planar strip having a thickness, having a width greater than the thickness and having a length greater than the width. The strip is arranged in alternating length segments. Each adjacent pair of length segme... | 07/20/2010 |
| 7750787 | Impedance transformer and applications thereof An impedance transformer includes a first winding and a second winding. The first winding includes a first plurality of winding components, wherein each of the first plurality of winding components is on a corresponding layer of a first set of layers of a supporting... | 07/06/2010 |
| 7656264 | High coupling factor transformer and manufacturing method thereof A high coupling factor transformer and a manufacturing method thereof are provided. The transformer includes a primary winding and a secondary winding. The secondary winding is adjacent to the primary winding. The secondary winding and the primary winding induct wit... | 02/02/2010 |
| 7489225 | Precision inductive devices and methods A low cost, low profile and high performance inductive device for use in, e.g., electronic circuits. In one exemplary embodiment, the device includes a four-legged ferrite core optimized for fitting with four or more windings, thereby providing four close-tolerance ... | 02/10/2009 |
| 7477128 | Magnetic components Disclosed is an apparatus and method for a magnetic component. The magnetic component includes a substrate having a feature and a first conductive pattern disposed on the feature. The magnetic component also includes a permeability material disposed within the featu... | 01/13/2009 |
| 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 |
| 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 |
| 7432793 | Amplifier output filter having planar inductor An output filter for an audio amplifier includes a printed circuit board having at least one aperture extending through the printed circuit board. The output filter includes a first coil winding formed on a layer of the printed circuit board. The first coil winding ... | 10/07/2008 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 7364942 | Process for wafer level treatment to reduce stiction and passivate micromachined surfaces and compounds used therefor This invention discloses a process for forming durable anti-stiction surfaces on micromachined structures while they are still in wafer form (i.e., before they are separated into discrete devices for assembly into packages). This process involves the vapor depositio... | 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 |
| 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 |
| 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 |
