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)
05/1999
05/04/1999US5900797 Coil assembly
05/04/1999US5900796 For suppressing high frequency electric noise to and from a cable
04/1999
04/29/1999WO1999021274A2 Integrated electronic circuit comprising an oscillator with passive circuit elements
04/20/1999US5896079 High frequency common mode ferrite bead
04/20/1999US5896078 Soft magnetic alloy thin film and plane-type magnetic device
04/14/1999EP0907958A1 Monolithic thick film inductor and method for making same
04/14/1999CA2249827A1 Magnetic component assembly
04/08/1999WO1999017319A1 Method for increasing the operating frequency of a magnetic circuit and corresponding magnetic circuit
04/08/1999WO1999017318A1 Inductive component and method for making same
04/08/1999WO1999017317A1 Microelectronic component carrier and method of its manufacture
04/08/1999CA2304537A1 Microelectronic component carrier and method of its manufacture
04/06/1999US5892425 Interwound center-tapped spiral inductor
04/06/1999US5892412 Method of and an apparatus for tunable passive-gain equalization
04/01/1999WO1999016093A1 Core and coil structure and method of making the same
04/01/1999WO1999016091A1 Planar inductance geometry
04/01/1999WO1999016089A1 Laminated ceramic parts
04/01/1999CA2304304A1 Core and coil structure and method of making the same
03/1999
03/31/1999EP0905720A1 Thick film low value high frequency inductor, and method of making the same
03/31/1999CN1212503A Noise-cut filter for power converter
03/25/1999WO1999014818A1 On-glass antenna system
03/25/1999DE19741302A1 Planar inductor geometry for integrated circuit or printed circuit
03/24/1999EP0903011A1 Common mode filter and filter/connector combination
03/23/1999US5884990 Integrated circuit inductor
03/17/1999EP0902443A2 Planar coupled coil arrangement
03/17/1999CN1211049A Ferrite and inductor
03/10/1999CN1210345A Wire wound electronic component
03/09/1999US5880662 High self resonant frequency multilayer inductor and method for making same
03/03/1999CN1209687A Harmonic current attenuation device for electric motor
03/02/1999US5878132 High-frequency noise elimination for use in telephone systems
03/02/1999US5877667 On-chip transformers
03/02/1999US5877666 Stackable, passively-tunable, cost-reduced inductor
02/1999
02/25/1999WO1999009568A1 High self resonant frequency multilayer inductor and method for making same
02/25/1999DE19835639A1 High frequency transformer with strip winding for television transmission
02/23/1999US5874883 Planar-type inductor and fabrication method thereof
02/18/1999WO1999008295A1 Ferrite bead for cable installations
02/17/1999CN1208497A Distributed gap electrical choke
02/17/1999CN1208322A Electronic device having electric wires and method of producing the same
02/10/1999EP0896345A2 Coil element
02/10/1999CN1207826A Coiled component and its production method
02/10/1999CN1207565A Coil element
02/09/1999US5870011 Line filter
02/03/1999EP0895257A1 Noise-suppressing component
02/03/1999EP0895256A1 Article comprising an inductive element with a magnetic thin film
01/1999
01/21/1999DE19730694A1 Security element for electronic item alarm
01/20/1999EP0891955A1 Ferrite and inductor
01/20/1999EP0891626A1 Distributed device for differential circuit
01/19/1999US5861790 Stackable and cost-reduced transformer with embedded EMI filters
01/12/1999US5858154 Method of making multi-layer coil using electroconductive flexible sheets
01/07/1999WO1999000897A1 High temperature superconducting structures and methods for high q, reduced intermodulation structures
01/07/1999CA2295773A1 High temperature superconducting structures and methods for high q, reduced intermodulation structures
01/06/1999CN1204130A Iron-core material iron-core and transformer for balancing-non-balancing transformer
12/1998
12/30/1998EP0887861A1 Semiconductor device having separated exchange means
12/30/1998EP0887856A1 Method of manufacturing electronic components
12/30/1998CN1203446A Micromagnetic device for power processing applications and method of manufacture therefor
12/29/1998US5852866 Process for producing microcoils and microtransformers
12/23/1998WO1998043258A3 Stripe-line inductor
12/23/1998CN1202713A 电子组件及其制造方法 Electronic components and its manufacturing method
12/22/1998US5851341 Method for manufacturing bead filter using an epoxy resin gel
12/22/1998US5850682 Method of manufacturing chip-type common mode choke coil
12/17/1998WO1998057338A1 Planar winding structure and low profile magnetic component having reduced size and improved thermal properties
12/16/1998EP0884783A2 A micromagnetic device for power processing applications and method of manufacture therefor
12/16/1998EP0795184A4 Planar pulse transformer
12/15/1998US5850336 Apparatus having an inverter
12/10/1998WO1998056019A1 Method for making a transponder coil and transponder produced by said method
12/10/1998WO1998056016A1 Inductive component
12/10/1998WO1998055425A1 Nonmagnetic ceramic and laminated ceramic parts
12/09/1998CN1201366A Printed circuit board
12/08/1998US5847634 Article comprising an inductive element with a magnetic thin film
12/03/1998WO1998054826A1 Composite transformer for self-oscillator
12/03/1998WO1998054733A2 Low profile pin-less planar magnetic devices and method of making same
12/01/1998US5844460 Wound, solid state inductor
11/1998
11/25/1998EP0880150A2 Printed wiring board
11/25/1998CN1200192A Composite magnetic material and electromagnetic interference suppressing material
11/25/1998CN1200011A Noise absorber
11/25/1998CN1199910A Printed circuit transformer hybrids for mixers
11/24/1998US5840382 Ceramic substrate, glass adhesive layer; nonwarping, noncracking; capacitors, resistors
11/24/1998US5839184 Method for creating on-package inductors for use with integrated circuits
11/18/1998EP0878844A2 High frequency apparatus including a low loss substrate
11/18/1998CN1199495A Composite magnetic material, method for mfg. same and electromagnetic interference suppressing material
11/18/1998CN1199494A EMI preventive part and active device with same
11/17/1998US5838215 RF choke with a low Q core formed by sintering ferrous and ferric oxides
11/12/1998WO1998050956A1 Patterned ground shields for integrated circuit inductors
11/06/1998CA2204559A1 Radio frequency low hum-modulation ac bypass coil
11/04/1998CN1198269A Device for absorption of electrical noise
11/04/1998CN1197987A Oxide magnetic materials, making method, antenna coils, and inductance elements
11/03/1998US5831348 Secondary circuit device for wireless transmit-receive system and induction coil for wireless transmit-receive system
10/1998
10/28/1998EP0873567A1 Distributed gap electrical choke
10/20/1998US5825272 Choke coil for suppressing common-mode noise and normal-mode noise
10/14/1998EP0871183A1 Composite magnetic material, method for manufacturing the same, and electromagnetic interference suppressing material
10/13/1998US5821846 High current ferrite electromagnetic interference suppressor and associated method
10/13/1998US5821845 Electromagnetic noise absorber
10/13/1998US5821843 Chip inductor
10/08/1998WO1998044520A1 Chip inductor and method for manufacturing the same
10/06/1998US5815918 Method for replacing an electrically conducting cable by another electrically conducting cable
10/01/1998WO1998043258A2 Stripe-line inductor
10/01/1998WO1998043255A1 Rf chokes comprising parallel coupled inductors
09/1998
09/30/1998CN1194446A Laminated composite electronic device and its producing method
09/30/1998CN1194253A Insulation ceramic composition and ceramic inductor with said composition
09/29/1998US5815060 Inductance element
09/29/1998CA2087794C Circuit elements dependent on core inductance and fabrication thereof
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