Patents
Sitemap › H01 - Basic electric elements › H01F - Magnets; Inductances; Transformers; Selection of materials for their magnetic properties › H01F 41 - Apparatus or processes specially adapted for manufacturing or assembling the devices covered by this subclass
Patents for H01F 41 - Apparatus or processes specially adapted for manufacturing or assembling the devices covered by this subclass (27,155)
12/2000
12/05/2000US6157283 Surface-mounting-type coil component
12/05/2000US6157099 Specially oriented material and magnetization of permanent magnets
12/05/2000US6156404 Method of making high performance, low noise isotropic magnetic media including a chromium underlayer
12/05/2000US6156264 Electromagnetic compacting of powder metal for ignition core application
11/2000
11/30/2000WO2000072335A2 Superconducting coils
11/30/2000WO2000072334A1 Magnetic core insulation
11/30/2000CA2337653A1 Magnetic core insulation
11/29/2000EP1055957A2 Faraday rotator and magneto-optical element using the same
11/29/2000EP1055744A2 Surface treating process, surface treating apparatus, vapor-depositing material, and rare earth metal-based permanent magnet with surface treated
11/29/2000EP0963591A4 Method for making soft magnetic parts from particulate ferrous material, and parts made therefrom
11/29/2000CN1274933A Bound magnet, its manufacture and driving device using the same
11/28/2000US6154114 Multi-laminated inductor and manufacturing method thereof
11/28/2000US6153321 Method of using a substrate with magnetic substance of a magnetic scale
11/28/2000US6153319 Spin-valve type thin film element
11/28/2000US6153078 Providing unfired ferrite substrate; coating conductive material comprising silver/palladium particles, ferrite particles, cellulose-based binder, solvent; firing substrate; electroplating copper using copper pyrophosphate bath
11/28/2000US6151770 Method of forming a chip inductor
11/26/2000CA2272876A1 Manufacturing soft magnetic components using a ferrous powder and a lubricant
11/23/2000WO2000070106A1 Magnetic alloy and magnetic recording medium and method for preparation thereof, and target for forming magnetic film and magnetic recording device
11/22/2000EP1054418A1 Low voltage winding for electrical transformer and method for producing same
11/22/2000EP1054417A1 Microcomponents of microinductance or microtransformer type and manufacturing process
11/22/2000EP1054416A1 Process for manufacturing transformers, in particular transformers for battery chargers and transformers obtained with said process
11/22/2000EP1053552A1 Magnetic film and a method for the production thereof
11/22/2000CN2407439Y Special coiler for coiled core of transformer
11/22/2000CN1274467A Compsn. for bonded rare-earth permanent magnet, bonded rare-earth permanent magnet and method for mfg. bonded rare-earth permanent magnet
11/22/2000CN1274394A Permanent magnetic alloy with excellent heat resistance and process for producing same
11/22/2000CN1274165A High-voltage winding with resin insulation for transformer and its manufacture method
11/22/2000CN1274015A Quick quenching method for preparing anisotropic permanent-magnet Sm-Co materials
11/22/2000CN1273893A Trimming die, powder press and powder pressuring process
11/22/2000CN1058803C Wound core for toroidal transformer
11/22/2000CN1058760C Cerium-containing magnetic garnet single crystal and prodn. method therefor
11/21/2000US6151204 Electronic device
11/21/2000US6150915 Magnetic components and their production
11/21/2000US6150819 Laminate tiles for an MRI system and method and apparatus for manufacturing the laminate tiles
11/21/2000US6150045 Improved micro-track asymmetry and diminishing barkhausen noise by setting the relative angle between magnetization in the track width region of the pinned magnetic layer and magnetization of the free magnetic layer to about 90 degrees
11/21/2000US6149861 Methods for manufacturing R-Fe-B type magnet raw material powder and R-Fe-B type magnet
11/21/2000US6149857 Method of making films and coatings having anisotropic conductive pathways therein
11/21/2000US6149704 Insulating phenol resin, sol of titanium oxide, zirconium oxide
11/21/2000US6148500 Electronic inductive device and method for manufacturing
11/18/2000CA2308871A1 Micro-inductance or micro-transformer micro-components, and manufacturing process for such micro-components
11/16/2000WO2000069234A1 Wiring method and wiring device
11/16/2000DE19902679C1 Lautsprecher Speaker
11/16/2000DE10009929A1 Housing used in a sintering device comprises a body with an opening, a gate to open or close the opening of the body, and supports on which a sinter plate can horizontally glide
11/15/2000EP1052658A1 Ferrite magnet powder and magnet using said magnet powder, and method for preparing them
11/15/2000EP1051265A1 A method of forming a coating onto a non-random monolayer of particles, and products formed thereby
11/15/2000CN1273426A Technolgy for closing moulded product pore and adhesive mangetic body for closing pore using the technology
11/15/2000CN1273153A Device and method for processing rare earth alloy powder
11/14/2000US6147584 Inductor, transformer, and manufacturing method thereof
11/14/2000US6147573 Multilayer electronic part with planar terminal electrodes
11/14/2000US6146761 Functional particle-dispersed thin film, granular magnetic thin film and production processes thereof
11/14/2000US6146717 Method of impregnating components
11/14/2000US6145774 Method and apparatus for manufacturing toroidal cores
11/14/2000CA2080580C Process for manufacturing a polymeric encapsulated transformer
11/09/2000DE19919493A1 Verfahren zur Anordnung eines Einsatzteiles in einem Sinterteil Method of arranging an insert part in a sintered part
11/09/2000DE19919031A1 Method to manufacture magneto-elastic force or torque sensor; involves depositing planar coil windings onto low retentivity layer to form coils and forming coil cores of soft magnetic material
11/09/2000DE10019831A1 Sinter stamp used in the manufacture of a moving coil motor has a pressing surface with an edge section having a protrusion that has a rounded end with a specified fiber width
11/08/2000EP1050889A2 Magnetic ferrite film and preparation method
11/08/2000EP1050056A1 Magnetic engraving method, in particular for magnetic or magneto-optical recording
11/08/2000CN1272946A Feedstock powder for R-Fe-B magnet and process for producing R-Fe-B magnet
11/08/2000CN1272413A Powder suplly device, powder supply method and powder compacting device
11/07/2000US6144524 Spin valve magnetoresistance device and method of designing the same
11/07/2000US6144280 Wire wound electronic component and method of manufacturing the same
11/07/2000US6144279 Electrical choke for power factor correction
11/07/2000US6144278 Transformer assembling method, transformer, transformer-mounted substrate, power supply unit having transformer-mounted substrate, and recording apparatus including power supply unit
11/07/2000US6143157 Covering core with a barrier coating to protect a magnetic property of core from alteration by subsequent plating, then plating a conductive shield to the core by depositing a seed layer in pattern defined by mask, plating on seed layer
11/07/2000US6141860 Method for manufacturing coil
11/02/2000WO2000065614A1 Method for forming magnetoresistance effect film
11/02/2000WO2000065612A1 Insulated coil and coiled frame and method for making same
11/02/2000EP1049237A2 Winding machine
11/02/2000EP1049112A2 Process for sealing pores in molded product, and bonded magnet with pores sealed by the process
11/02/2000EP1048379A2 Method for arranging an insert in a sintered article
11/02/2000DE19919079A1 Diagonal winding with desired winding angle for transformers or coils, has ratio between number of forward and backward wrapped turns varied such that desired steep start angle is set in start region of winding
11/02/2000DE19919069A1 Winding method for transformer or coil involves winding a conductor and simultaneously wetting with adhesive
11/02/2000DE10020954A1 Powder feeder for a powder press used, e.g., to manufacture rare earth metal magnets has a transporter for powder supply to a feed hopper which feeds weighed powder into a cavity
11/01/2000CN1272212A Corrosion-resisting permanent magnet and method for producing same
11/01/2000CN1271953A Process for treating excess hydrogen of mutual inductor
11/01/2000CN1271952A Wire wound device
10/2000
10/31/2000US6139906 Methods of depositing multilayer thin films
10/31/2000US6138936 Method of using ionized air to remove from a coil the electrostatic charges produced by winding of the coil on a core
10/31/2000US6138344 Methods of manufacturing a magnetic device and tool for manufacturing the same
10/31/2000US6138343 Method for manufacturing a variable insulated helically wound electrical coil
10/26/2000DE19936581C1 Electromagnetic valve actuator manufacturing method uses metal or metal alloy mass for fixing energizing coil in coil window of magnetic yoke
10/25/2000EP1047086A1 A coil component
10/25/2000EP0880816B1 Process for producing an electromagnetic subassembly for a magnetic levitation railway
10/25/2000CN1057858C Hot-pressor magnets in open-air presser
10/24/2000US6137202 Insulated coil and coiled frame and method for making same
10/24/2000US6136458 Ferrite magnetic film structure having magnetic anisotropy
10/24/2000US6136265 Powder metallurgy method and articles formed thereby
10/24/2000CA2258519C Monolithic thick film inductor and method for making same
10/24/2000CA2038206C Method for making a transformer core comprising amorphous steel strips surrounding the core window
10/19/2000WO2000062314A1 Microsolenoid coil and its manufacturing method
10/19/2000WO2000062312A1 Product with conducting parts made of highly conductive resin, and method of manufacture thereof
10/19/2000DE19844641C1 Sum current transducer soft magnetic core manufacturing method uses plastic deformation of annular core to provide elliptical core cross-section
10/18/2000CN1057631C Rare-earth element/transition metal series permanent magnet having improved anticorrosion performance and manufacture thereof
10/17/2000US6132567 By depositing a metalloid on a light rare earth-transition metal alloy using a sputtering method
10/12/2000WO2000060619A1 Multi-layer transformer apparatus and method
10/12/2000WO2000060618A1 A method for manufacturing magnets having inclined magnetic force lines and power plants using it
10/12/2000DE19914591A1 Electromagnet, especially of an actuator for IC engine electromagnetic valve control, is produced by alternating voltage application to an excitation coil during embedding in molding compound in a yoke coil window
10/12/2000DE10015281A1 Wire winding device for producing coil by winding up wire has turn adjusting section that contacts wire and exerts tension on it in cooperation with the wire support that adjusts winding of the wire about winding frame
10/11/2000EP1042757A1 Method for producing impregnable fine mica tapes with an incorporated accelerator
10/11/2000CN2400882Y Magnetic coil forming device for transformer
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