| Class / Patent application number | Description | Number of patent applications / Date published |
| 336200000 |
Printed circuit-type coil
| 334 |
| 336208000 |
Coil on a preformed support or mount
| 12 |
| 336208000 |
Coil on a preformed suport or mount
| 12 |
| 336207000 |
With coil turn spacer
| 7 |
| 336206000 |
Flexible filament, strip or sheet insulation
| 6 |
| 336205000 |
Coil turns cemented to support or embedded in plastic | 5 |
| 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 |
| 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 |
| 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 |
| 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 |
| Entries |
| Document | Title | Date |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |