Patents
Sitemap › H01 - Basic electric elements › H01F - Magnets; Inductances; Transformers; Selection of materials for their magnetic properties › H01F 17 - Fixed inductances of the signal type
Patents for H01F 17 - Fixed inductances of the signal type (10,329)
09/2003
09/24/2003EP1347473A1 Substrate-mounted common mode choke coil and method of manufacture thereof
09/24/2003CN1444051A Low-intensity magnetic field and its mfg. method using printed circuit board mfg. technology
09/24/2003CN1444049A Low-intensity magnetic field sensor using printed circuit board mfg. thchnology and its mfg. method
09/23/2003US6624735 Three-terminal variable inductor and method of making the same
09/23/2003US6623878 Diffusion of silver conductor into the ferrite portion can be prevented as glass acts as an adjuvant in sinterinf and decreases sintering temperature
09/23/2003US6623845 Glass-ceramic composition, and electronic component and multilayer LC composite component using the same
09/18/2003US20030174435 Method and apparatus for providing an aligned coil for an inductive head structure using a patterned seed layer
09/18/2003DE20307682U1 Double self-inductance with idealized parameters has two separate coils wound around common magnetically-conducting core and is suitable for use as actuator-sensor interface
09/17/2003EP1344230A1 Medium frequency transformer
09/16/2003US6621400 Electronic part and a complex electronic device
09/16/2003US6621399 Alloy comprising 1-10 wt % Si, 0.1-1. 0 wt % O, and balance Fe. An insulator comprising SiO2 and MgO
09/16/2003US6621398 Inductance element such as a choke coil and a transformer for use in a switching power supply or the like
09/16/2003US6621397 Low profile inductor
09/16/2003US6621183 Supply of power to primary conductors
09/16/2003US6621141 Out-of-plane microcoil with ground-plane structure
09/16/2003US6618929 Laminated common-mode choke coil
09/11/2003US20030170989 Etched oxide layer forming interconnect metallization trench within the oxide layer, after etching via, second inductor trench, interconnect metallization trench and first inductor trench are filled with copper
09/11/2003US20030169142 Magnetic-flux conduits
09/11/2003US20030169039 Weak-magnetic field sensor using printed circuit board manufacturing technique and method of manufacturing the same
09/11/2003US20030169037 Weak-magnetic field sensor using printed circuit board manufacturing technique and method of manufacturing the same
09/10/2003EP1342252A2 Multi-layer and user-configurable micro-printed circuit board
09/10/2003CN1121048C High performance low-temp. sintered VHF laminated inductive material and its preparing method
09/10/2003CN1120812C Process for preparing cordierte-base microcrystal galss-ceramic medium material used for multi-layer inductor
09/10/2003CN1120811C Process for preparing zinc silicate-base glass/ceramics medium material used for multi-layer inductor
09/09/2003US6617950 Common mode/differential mode choke
09/09/2003US6617949 Choke coil
09/09/2003US6617948 Pot-core components for planar mounting and method of manufacturing the same
09/09/2003US6617947 Tuning circuit
09/09/2003US6617665 High-frequency integrated inductive winding
09/09/2003US6615481 Utilizes laser machining to provide high resolution, dense coil wire patterns on both sides of a ceramic vane substrate. A firing operation is first performed that eutectically bonds the copper to the ceramic.
09/04/2003WO2003073607A1 Mems-based, computer systems, clock generation and oscillator circuits and lc-tank apparatus for use therein
09/04/2003WO2003073446A1 Transformer
09/04/2003US20030164748 High Q on-chip inductor and method of manufacture thereof
09/04/2003US20030164533 Inductor part, and method of producing the same
09/04/2003US20030163915 Common mode choke coil and method manufacturing the same
09/04/2003US20030163914 Common mode choke coil and method of manufacturing the same
09/04/2003DE20309539U1 Printed circuit especially for controlling locking system of car doors consists of at least three circuit boards, one ferrite core and at least a winding around the core
09/03/2003EP1340234A1 System, printed circuit board, charger device, user device, and apparatus
09/03/2003EP0950252B1 Wire-wound inductors
09/02/2003US6614338 Inductor and method for manufacturing same
09/02/2003US6614093 Integrated inductor in semiconductor manufacturing
09/02/2003US6612019 Integrated circuit inductors
09/02/2003CA2276144C Bead inductor and method of manufacturing same
08/2003
08/28/2003WO2002027793A3 Method and apparatus for providing a variable inductor on a semiconductor chip
08/28/2003US20030162521 System and method for on-chip filter tuning
08/28/2003US20030160677 Powder core and reactor using the same
08/28/2003US20030160675 I-inductor as high-frequency microinductor
08/28/2003US20030160668 Tuning circuit
08/28/2003US20030160299 On- chip inductor having improved quality factor and method of manufacture thereof
08/27/2003EP1173857B1 Multi-layer transformer apparatus and method
08/26/2003US6611188 Integrated vertical spiral inductor on semiconductor material
08/26/2003US6611035 Ferrite magnetic film structure having magnetic anisotropy, method of manufacturing the same, and planar magnetic device employing ferrite magnetic film structure having magenetic anisotropy
08/21/2003WO2003069640A1 Former and coil for printed circuit board assembly
08/21/2003US20030157805 Thick traces from multiple damascene layers
08/19/2003US6609009 Electronic component and radio terminal using the same
08/19/2003US6608363 Transformer comprising stacked inductors
08/19/2003US6608361 On-chip inductor using active magnetic energy recovery
08/19/2003US6607934 Micro-electromechanical process for fabrication of integrated multi-frequency communication passive components
08/14/2003WO2003067756A2 Filter circuit having an fe-based core
08/14/2003WO2003067615A1 Current transformer having an amorphous fe-based core
08/14/2003US20030151849 Wiring pattern and method of manufacturing the same and thin film magnetic head and method of manufacturing the same
08/14/2003US20030151487 Filter circuit having an Fe-based core
08/14/2003US20030151486 Inductor and method for producing the same
08/14/2003US20030151483 Current transformer having an amorphous fe-based core
08/14/2003US20030151115 Semiconductor device and production method therefor
08/14/2003US20030150898 Micromagnetic device for power processing applications and method of manufacture therefor
08/14/2003US20030150523 Powder core and high-frequency reactor using the same
08/13/2003EP1335391A1 Nanocrystalline toroidal core
08/13/2003EP1334495A1 Ferrite core with a novel construction
08/13/2003EP1177621B1 Mos variable gain amplifier
08/13/2003CN1435854A Coil packaged magnetic dust core capable of obtaining excellent inductive property and mfg. method thereof
08/13/2003CN1435852A Composite magnetic material and mfg. method thereof
08/12/2003CA2161686C High temperature superconductor lumped elements and circuit
08/07/2003WO2003065387A1 Inductive device
08/07/2003WO2003010876A3 Power factor correction circuit with a coil
08/07/2003US20030148739 High-frequency module device
08/07/2003US20030148094 Composite magnetic material and a method for producing the same
08/07/2003US20030147196 Electronic component and manufacturing method thereof
08/07/2003US20030146817 Electrical filter
08/07/2003US20030146816 Semiconductor integrated circuit
08/07/2003CA2474261A1 Inductive device
08/06/2003EP1333454A1 Overvoltage protection device
08/06/2003EP1332518A1 Integrated circuit inductor structure and non-destructive etch depth measurement
08/06/2003CN1434974A Inductor core-coil assembly and method of manufacturing thereof
08/06/2003CN1434468A Common mode choke coil array
08/05/2003US6603383 Multilayer balun transformer structure
08/05/2003US6603382 Inductive element having improved superposed DC current characteristic
08/05/2003US6603380 Method of producing laminated ceramic electronic component and laminated ceramic electronic component
07/2003
07/31/2003WO2003025976A3 Embedded inductor for semiconductor device circuit
07/31/2003US20030141955 Inductive miniature component for smd-mounting and method for the production thereof
07/31/2003US20030141954 Inductive device
07/31/2003US20030141952 Coil-embedded dust core and method for manufacturing the same, and coil and method for manufacturing the same
07/30/2003EP1157395B1 Discrete inductive-type electronic component, method for the production thereof
07/30/2003CN1433563A Ceramic electronic device and method of manufacture thereof
07/30/2003CN1433033A Inductance part with permanent magnet set in magnetic gap
07/30/2003CN1433031A High-Q inductor structure
07/30/2003CN1116738C Monolithic inductive capacity resonance and monolithic inductive capacity filter
07/29/2003US6600404 Planar coil and planar transformer, and process of fabricating a high-aspect conductive device
07/29/2003US6600403 Planar inductor
07/29/2003US6599463 Monolithic ceramic electronic component and production process therefor, and ceramic paste and production process therefor
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