| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 336200000 |
Printed circuit-type coil
| 643 |
| 336208000 |
Coil on a preformed suport or mount
| 28 |
| 336208000 |
Coil on a preformed support or mount
| 28 |
| 336207000 |
With coil turn spacer
| 15 |
| 336206000 |
Flexible filament, strip or sheet insulation
| 9 |
| 336205000 |
Coil turns cemented to support or embedded in plastic | 5 |
| 20080246579 | LAMINATED COIL COMPONENT AND METHOD FOR MANUFACTURING THE SAME - A laminated coil component includes a spiral coil including laminated ceramic films and coil conductors. Pad portions provided at ends of the coil conductors are connected to one another using via-hole conductors to provide an interlayer connection among the pad portions. Thus, a spiral coil is provided. The pad portions are thinner than the coil conductors, and accordingly, a concentration of stress on portions at which the pad portions and the via-hole conductors overlap one another is reduced. | 10-09-2008 |
| 20090058590 | Electronic component and method for fixing the same - Disclosed is an electronic component, especially a coil with a coil core, in which the turns of the coil winding are spaced apart from each other at least at one point in the longitudinal direction of the coil. A plastic retaining element which overlaps both the coil core and at least the two adjacent turns of the coil winding in a longitudinal direction is sprayed on in the area of said point, whereby a connection between the coil core and the coil winding is created at the same time. The retaining element can be sprayed around a closed circumference of the coil while covering only a portion of the coil in the longitudinal direction thereof. Preferably, the retaining element is placed approximately in the center relative to the longitudinal extension of the coil. | 03-05-2009 |
| 20090140831 | Coil for Producing a Magnetic Field - The invention relates to a coil for producing a magnetic field having at least one winding ( | 06-04-2009 |
| 20100259353 | Surface-Mount Inductor and Method of Producing the Same - A method of producing a surface-mount inductor by encapsulating a coil with an encapsulation material containing a resin and a filler using a mold die assembly is provided. In the method, a tablet and a coil are used. The tablet is prepared by preforming the encapsulation material into a shape having a flat plate-shaped portion and a pillar-shaped convex portion on a peripheral thereof. The coil is a wound conductive wire having a cross-section of rectangular-shape. The coil is placed on the tablet to allow both ends of the coil to extend along an outer side surface of the pillar-shaped convex portion of the tablet. The coil and the encapsulation material are integrated together while clamping the both ends of the coil between an inner wall surface of the mold die assembly and the outer side surface of the pillar-shaped convex portion of the tablet, to form a molded body. External electrodes are formed on a surface of or around an outer periphery of the molded body in such a manner that the external electrodes are electrically connected to the both ends of the coil at least a portion of which is exposed to the surface of the molded body. | 10-14-2010 |
| 20120068804 | ADHESIVELY BONDED CYLINDRICAL MAGNETS COMPRISING ANNULAR COILS, AND METHOD OF MANUFACTURE THEREOF - In a solenoid magnet assembly, and a method for manufacture thereof, the magnet assembly includes a number of concentrically aligned coils, each including a winding impregnated with a resin. Each coil is mechanically restrained so as to hold the coils in fixed relative positions relative to each other when forming the magnet assembly. The mechanical restraint can be formed by annular support sections bonded to the respective coils, lugs bonded to the respective coils, or by lugs that are at least partially embedded in a crust formed on a radially outer surface of the respective windings. | 03-22-2012 |
| Entries |
| Document | Title | Date |
|---|
| 20090066460 | Winding structure of a transformer - An improved winding structure of a transformer, wherein the transformer comprises a winding base externally set with an isolating plate, the transformer is divided into a primary side region and a secondary side region by the isolating plate. The primary side region has a winding reel for a pre-formed wire set to sleeve on while the secondary side region is divided into a plurality of winding grooves by a plurality of partitions for placing a wire in the grooves, and an iron core set is set on the outside of the winding base and the hollow structure, which altogether form an transformer. In the present invention, an pre-formed wire set is sleeved on a primary side winding reel, therefore, the costs of traditional hand-winding will be displaced, and the manufacturing quality and usage stability of transformers will be effectively improved as well. | 03-12-2009 |
| 20090278648 | INTEGRATED MAGNETIC DEVICE AND CONDUCTIVE STRUCTURE THEREOF - An integrated magnetic device disposed on a system circuit board is disclosed. The integrated magnetic device comprises a bobbin, a magnetic core assembly, and a conductive structure. The bobbin has a main body for a primary winding to wind thereon and a channel piercing through the main body. The conductive structure comprises plural conductive units corresponded to each other and a first magnetic device. Each of the conductive units has a hollow portion, a receiving hole, and at least a conductive pin. The first magnetic device is electrically connected to the conductive units by the conducting part thereof piercing through the receiving holes of the conductive units. The conductive units are spaced by the main body of the bobbin, and the hollow portions of the conductive units are corresponded to the channel of the bobbin to receive parts of the magnetic core assembly, so as to assemble the bobbin, the magnetic core assembly and the conductive units as a second magnetic device. The first and second magnetic devices are integrated by the conductive structure and disposed on the system circuit board through the conductive pin of each of the conductive units of the conductive structure. | 11-12-2009 |
| 20100079231 | TRANSFORMER WITH LEAKAGE INDUCTANCE - A transformer includes a bobbin and a core assembly. The bobbin includes a pair of first winding portions to wrap primary winding coils thereon and a second winding portion between the pair of first winding portions to wrap secondary winding coils thereon. The core assembly includes a first core and a second core. At least one gap is formed between the first core and the second core at opposite sides of the second winding portion to adjust leakage inductance of the transformer. The gaps and the winding coils of the second winding portion are positioned in a same magnetic circuit, the magnetic circuit generating the leakage inductance of the transformer. | 04-01-2010 |
| 20100219925 | INDUCTIVE COMPONENT AND METHOD FOR MANUFACTURING THE SAME - An inductance component is disclosed. This inductance component includes base made of insulating material, coil section buried in base, and external electrode terminals electrically coupled to the ends of coil section. Stress buffering section is provided on the exposed interface between base and external electrode terminals, and this stress buffering section can ease the stress produced by the difference in thermal coefficients due to temperature changes. The foregoing structure thus allows improving the reliability of the inductance component with respect to a thermal shock. | 09-02-2010 |
| 20110090036 | INDUCTOR ELEMENT, INTEGRATED CIRCUIT DEVICE, AND THREE-DIMENSIONAL CIRCUIT DEVICE - The invention relates to an inductor element, an integrated circuit device and a three-dimensional circuit device where a wire passes through the opening of a coil so that the efficiency in the use of wires is high. | 04-21-2011 |
| 20110109414 | METHOD FOR PRODUCING A COIL FROM SHEET METAL AND COIL - Disclosed is a method for producing a coil from sheet metal comprising producing a carrier plate having spacers for the sheet metal; fastening the sheet metal to the spacers of the carrier plate; and fabricating a coil geometry in the sheet metal. The stabilized sheet metal is excellent to work. The coil, including the windings, can be fixed so as to keep the windings separate from each other, both spatially and electrically. | 05-12-2011 |
| 20120126926 | Transformer Device and Method for Manufacturing a Transformer Device - A transformer device includes a glass substrate having a first side and a second side arranged opposite the first side. A first recess is formed at the first side of the glass substrate. A second recess is formed at the second side of the glass substrate. The first and second recesses are arranged opposite to each other. A first coil is arranged in the first recess and a second coil is arranged in the second recess. | 05-24-2012 |
| 20120154095 | SYMMETRIC PLANAR TRANSFORMER HAVING ADJUSTABLE LEAKAGE INDUCTANCE - A symmetric planar transformer having adjustable leakage inductance has a circuit board, two first bobbins mounted respectively on opposite side surfaces of the circuit board, two primary windings mounted respectively on the first bobbins, two secondary windings disposed respectively between the circuit board and the first bobbins, two second bobbins disposed respectively between adjacent first bobbins and primary windings, two pad sets disposed respectively between adjacent first bobbins and second bobbins, and a magnetic core assembly mounted through the circuit board, the first and second bobbins, the secondary and primary windings and the pad sets. Adjusting the numbers of the at least one pad of each pad set also adjusts distances between the primary and secondary windings to allow the secondary windings to have the same leakage. Thus, a balanced electric current is induced. | 06-21-2012 |
| 20120161913 | TRANSFORMER STRUCTURE - A transformer includes a winding member, a magnetic core assembly and an insulating seat. The winding member includes a bobbin, a primary coil and a secondary coil. The primary coil and the secondary coil are wound on the bobbin. The magnetic core assembly includes a first magnetic core and a second magnetic core. The winding member is arranged between the first magnetic core and the second magnetic core. The insulating seat includes a receptacle, at least one ventilation hole, at least one sheltering member and plural pins. The winding member and the magnetic core assembly are accommodated within the receptacle. The ventilation hole is formed in the sheltering member. The first terminals of the primary coil and/or the second terminals of the secondary coil are connected with the pins. | 06-28-2012 |
| 20120188046 | COIL COMPONENT - A coil component is of the type where a helical coil is directly contacting a magnetic body where such coil component still meets the demand for electrical current amplification. The coil component is structured in such a way that a helical coil is covered with a magnetic body. The magnetic body is mainly constituted by magnetic alloy grains and does not contain glass component, and each of the magnetic alloy grains has an oxide film of the grain on its surface. | 07-26-2012 |
| 20120286916 | BOBBIN AND MAGNETIC MODULE COMPRISING THE SAME - A bobbin for use in a magnetic module is provided. The bobbin comprises a winding body, a first plate and a second plate. The winding body is disposed between the first plate and the second plate, and further comprises a first end, a second end and a through hole. The first end comprises a first buckling portion, and the through hole penetrates the first end and the second end. The first plate includes a second buckling portion and a first opening, while the second buckling portion is adapted to engage with the first buckling portion. The second plate includes a second opening, and the second plate is engaged with the second end of the winding body. | 11-15-2012 |
| 20130057378 | MAGNETIC SUBSTRATE, COMMON MODE FILTER, METHOD FOR MANUFACTURING MAGNETIC SUBSTRATE AND METHOD FOR MANUFACTURING COMMON MODE FILTER - Disclosed herein are a magnetic substrate, a common mode filter, a method for manufacturing a magnetic substrate, and a method for manufacturing a common mode filter. The common mode filter includes: a coil part including an insulation layer and a conductor pattern formed in the insulation layer; and a magnetic substrate coupled to one surface or both surfaces of the coil part, wherein the magnetic substrate includes: an electrostatic absorbing layer made of an electrostatic absorbing material; a magnetic layer provided on one surface or both surfaces of the electrostatic absorbing layer and made of a magnetic material; and an electrode provided between the magnetic layer and the electrostatic absorbing layer and made of a conductive material. Therefore, common mode filter may maintain high efficiency characteristics while preventing an electrostatic discharge phenomenon. | 03-07-2013 |
| 20130176095 | INDUCTOR WITH LAMINATED YOKE - A thin film inductor having yokes, one or more of which is laminated, and one or more conductors passing between the yokes. The laminated yoke or yokes help reduce eddy currents and/or hysteresis losses. | 07-11-2013 |
| 20130307658 | TRANSFORMER - A transformer includes a bobbin. The bobbin includes a base and a main body. The main body is disposed on the base. The main body has a channel passing through the main body. The channel has two openings. Each of the openings has a first center. The main body includes a first main body portion and a second main body portion respectively at two sides of a first plane that is parallel to the base and passes through the first centers. The second main body portion is connected between the first main body portion and the base. The first main body portion and the second main body portion are asymmetric and have different heights relative to the first plane. | 11-21-2013 |
| 20140022041 | MAGNETIC MODULE FOR POWER INDUCTOR, POWER INDUCTOR, AND MANUFACTURING METHOD THEREOF - There is provided a power inductor including: a main body; and first and second external electrodes formed on both end portions of the main body, wherein the main body includes: upper and lower cover layers; at least one coil support layer having a through hole formed in a center thereof, at least one first recess portion formed in both lateral surfaces thereof and a plurality of second recess portions formed in respective corners thereof, and disposed between the upper and lower cover layers; and first and second coil layers formed on both surfaces of the coil support layer and having respective one ends thereof connected to the first and second external electrodes. | 01-23-2014 |
| 20140306791 | POWER CONVERTER - An inverter is offered which has a substrate having a capacitor, a semiconductor device, and so on mounted thereon, a metal enclosure securely holding the substrate, and a choke coil of an open magnetic path structure. The choke coil has a rod-like core disposed perpendicularly to the substrate. The choke coil is electrically connected with the substrate via coil terminals on a coil element. At least one cutout is formed in a surface of the substrate which is located opposite to one axial end (lower end) of the rod-like core of the choke coil. | 10-16-2014 |
| 20150048916 | DIELECTRIC BIASING CIRCUIT FOR TRANSFORMERS AND INDUCTORS - A transformer is configured to receive an input electrical signal at input nodes and supply an output electrical signal at output nodes. The transformer includes windings wound on the core between the input and output nodes. The windings define a signal path to transform the input electrical signal into the output electrical signal along the signal path. The transformer includes a first insulated conductive layer arranged between first and second windings configured to receive a first bias voltage. The transformer includes a second insulated conductive layer arranged spatially proximate to the first and second windings configured to receive a second bias voltage. The first and second insulated conductive layers form an electrostatic field that is based on a potential difference between the first and second bias voltages independent of the signal path. The windings are arranged to be within the formed electrostatic field. | 02-19-2015 |
| 20150364247 | PLANAR INDUCTOR - The present invention relates to a planar inductor for progressive case hardening, comprising a carrier and an induction coil, which is accommodated by the carrier and exposed on a first side of the carrier and which is in the form of a conductor loop. According to the invention, the inductor comprises two spacing elements, which are space apart from one another and inserted into the carrier and which protrude from the carrier and beyond the conductor loop on the first side. The invention further relates to a preferred method for producing the planar inductor. | 12-17-2015 |
| 20160035476 | COIL COMPONENT, METHOD OF MANUFACTURING THE SAME, AND ELECTRONIC DEVICE - A coil component includes an air-core coil embedded in a magnetic body constituted by resin and metal magnetic grains. Both ends of the coil are exposed on the surface of the magnetic body, and the side on which both ends are exposed is polished and etched to form terminal electrodes. To be specific, an underlying layer of metal material is formed across the surface of the magnetic body and the ends by means of sputtering, and then a cover layer is formed. Where the magnetic body contacts the underlying layer, the areas where the underlying layer is in contact with the resin ensure insulation, while the contact between the underlying layer and the exposed parts of the metal magnetic grains ensures adhesion, thus increasing the adhesion strength with respect to the terminal electrodes. | 02-04-2016 |
| 20160035484 | CHIP ELECTRONIC COMPONENT AND METHOD OF MANUFACTURING THE SAME - A chip electronic component includes a magnetic body in which internal coil part is embedded, and the magnetic body contains magnetic metal particles, a thermosetting resin, and a dispersing agent containing one or more selected from the group consisting of an acryl-based resin and a polyvinyl butyral (PVB)-based resin. | 02-04-2016 |
| 20160086712 | ELECTRICAL TRANSFORMER ASSEMBLY - A support frame for an electrical transformer assembly, comprising two loop-shaped parts, each loop-shaped part having a plurality of limbs, each limb having a peripheral recessed portion in which a primary electrical coil is mountable, and at least one secondary coil is mountable in piggyback on the primary electrical coil, one limb of each loop-shaped part having a straight section. The frame also includes an adjustable attaching means for attaching one of the loop-shaped parts with respect to the other loop-shaped part and adjusting a distance therebetween, so that only the straight sections are adjacent and form a central leg, the central leg being for receiving a magnetic core distinct from the attaching means. The frame provides a means and a method to efficiently secure adjacent windings in a circular core transformer kernel. | 03-24-2016 |
| 20160104568 | INTEGRATED SOUND SHIELD FOR AIR CORE REACTOR - An air core power reactor ( | 04-14-2016 |
| 20160254089 | EMBEDDED MAGNETIC COMPONENT DEVICE | 09-01-2016 |
| 20180025826 | ATTACHMENT STRUCTURE FOR COIL DEVICES AND COIL DEVICE | 01-25-2018 |
| 20190148050 | Electronic Device and Manufacturing Method Thereof | 05-16-2019 |
| 20190148056 | ELECTRONIC COMPONENT | 05-16-2019 |
