Patents
Patents for H01F 41 - Apparatus or processes specially adapted for manufacturing or assembling the devices covered by this subclass (27,155)
02/2004
02/12/2004WO2004013861A2 Magnetic element utilizing spin transfer and an mram device using the magnetic element
02/12/2004US20040029393 Method for removal of residue from a magneto-resistive random access memory (MRAM) film stack using a sacrificial mask layer
02/12/2004US20040028947 Corrosion resistant material having high magnetic moment
02/12/2004US20040028946 Permanent magnet and method for preparation thereof
02/12/2004US20040027853 Magnetic element utilizing spin transfer and an mram device using the magnetic element
02/12/2004US20040027733 Magnetoresistive element and method for manufacturing the same and nonvolatile memory including the same
02/12/2004US20040027732 GMR spin valve sensor with ion implanted areas
02/12/2004US20040027220 Half-cycle transductor with a magnetic core, use of half-cycle transductors and method for producing magnetic cores for half-cycle transductors
02/12/2004US20040026559 Device for coiling up a thread or wire-type object
02/12/2004US20040026369 Method of etching magnetic materials
02/12/2004US20040025974 Controlling particle size; akllloy of rare earth element and transition metal; compaction
02/12/2004US20040025342 Surface with varying electrical or magnetic properties
02/12/2004US20040025324 Process for producing resonant tag
02/12/2004US20040025323 Permanent magnet type rotor and method of manufacturing the rotor
02/12/2004DE10235056A1 Gradient coil system for magnetic resonance unit has a first spirally wound coil formed on a disc with the coil end formed to a specific shape
02/12/2004DE10234979A1 Inductance core has a ring shaped with a profiled radial slot produced in sintered material to produce a non linear characteristic
02/12/2004DE10206391B4 Herstellverfahren der Oberflächengeometrie von Elektromagneten Manufacturing method of the surface geometry of electromagnets
02/11/2004CN1475030A Integrated circuit inductor structure and non-destructive etch depth measurement
02/11/2004CN1475018A Magnetic amplifier choke with magnetic core, use of magnetic amplifier choke and method for producing magnetic core for magnetic amplifier choke
02/11/2004CN1474784A Ferrite thin film for high frequency and method for preparation thereof
02/11/2004CN1474419A Winding method and device for transformer coil
02/11/2004CN1474418A Method for producing quick cooling alloy for magnet
02/11/2004CN1474417A High specific saturated magnetizing strengh Fe3O4 micro particles and its preparing method
02/11/2004CN1474240A Method for producing magnetic roller and magnetic roller
02/11/2004CN1473956A Continuous evaporation coating device of plasma with magnet
02/11/2004CN1138285C Corrosion-resistant permanent magnet and method for manufacturing same
02/10/2004US6689183 Mixture of iron-based particles having a first particle size distribution and ferrite particles having a second particle size distribution; core components for alternating-current applications
02/05/2004WO2004011387A1 Method of producing ferrite magnet from layed precursor
02/05/2004US20040023057 Patterned thin film and method of forming same
02/05/2004US20040021991 Spin valve head with reduced element gap
02/05/2004US20040021542 Powder core and high-frequency reactor using the same
02/05/2004US20040021541 Surface-mount coil and method for manufacturing same
02/05/2004US20040021540 Magnetic circuit with coil
02/05/2004US20040020030 Method for connection of coated lead wire to terminal of coil bobbin
02/05/2004DE10234081A1 Vorrichtung mit einer Schaltungsanordnung mit induktivem Element A device with a circuit with inductive element
02/04/2004CN2602474Y Enameled wire coil-winding die
02/04/2004CN1472753A Permanent-magnetic binding material and producing method thereof
02/04/2004CN1472165A Method for preparing magnetic ferrite from layered precursor
02/04/2004CN1137497C Inductor device and process of production thereof
02/04/2004CN1137274C Prepn. Process of anisotropic permanent magnetic thin RCo5 belt
02/03/2004US6687098 Top spin valve with improved seed layer
02/03/2004US6687082 Magnetic head and manufacturing method thereof and magnetic recording and reproducing apparatus
02/03/2004US6686825 Chip inductor and manufacturing method therefor
02/03/2004US6686256 Method of manufacturing chip type electronic parts including forming a photo-sensitive film on the chips and irradiating the end surfaces with light
02/03/2004US6686205 Parallel synthesis and analysis
02/03/2004US6686068 For use in disk drives
02/03/2004US6685845 Process for producing magnetic head poles utilizing sputtered materials and a recording head made thereby
01/2004
01/29/2004WO2004010443A1 Enhanced giant magnetoresistance device and method
01/29/2004WO2004010442A1 Solid material comprising a structure of almost-completely-polarised electronic orbitals, method of obtaining same and use thereof in electronics and nanoelectronics
01/29/2004WO2004009605A2 Controlled room temperature synthesis of magnetic metal oxide nanoclusters within a diblock copolymer matrix
01/29/2004US20040016477 Method for producing a magnetic alloy and apparatus for producing the same
01/29/2004DE10117290B4 Variabler Drei-Anschluß-Induktor The three-terminal variable inductor
01/28/2004EP1385179A1 Magnetic core and magnetic core-use adhesive resin composition
01/28/2004EP1384236A1 Manufacturing soft magnetic components using a ferrous powder and a lubricant
01/28/2004CN1471715A Electric device
01/28/2004CN1471460A Press apapratus and method for manufacturing magnet
01/28/2004CN1471113A Common mode coil processing method
01/28/2004CN1471112A Ironcore coil structure for SMD and its manufacturing method
01/28/2004CN1136592C Power transformer and method for manufacturing thereof
01/28/2004CN1136591C Method for producing inductor with layered ceramic core sheet
01/28/2004CN1136589C High-remanence rare-earth magnetic powder and its preparing process
01/28/2004CN1136588C Improved rare earth-Fe-B magnets and manufacturing method for the same
01/28/2004CN1136123C Strap coil handling apparatus and method for handling coiled material disposed upon a core
01/27/2004US6683763 Method and system for providing a self-aligned electrical contact for a TMR element
01/27/2004US6683762 CPP GMR device with inverse GMR material
01/27/2004US6683761 Magnetoresistive sensor with laminate electrical interconnect
01/27/2004US6682833 Recorders comprising nonmagnetic foundation, polycrystalline undercoatings and magnetic alloy of cobalt and chromium for use in disk drives having high coercive forces and high recording density
01/27/2004US6682681 Method of fabricating a thermoplastic rubber encapsulated transformer
01/22/2004WO2004008607A1 Magnet motor
01/22/2004US20040014244 Magnetic semiconductor material and method for preparation thereof
01/22/2004US20040014077 Delivering a first component of a first material and a first component of a second material to first and second region on a substrate, delivering a second component of second material to first and second region, simultaneously reacting component
01/22/2004US20040013907 Mixing a water-insoluble organic solvent containing a surfactant with metal salt solution to a reverse micelle solution obtained by mixing solvent containing surfactant with reducing agent; reducing while controlling temperature
01/22/2004US20040013793 High aspect ratio; photoresists
01/22/2004US20040012898 Spin-valve thin-film element and method for manufacturing the same
01/22/2004US20040012895 Enhanced giant magnetoresistance device and method
01/22/2004DE10231205A1 Verfahren zum Bewickeln von Transformatoren Method for winding of transformers
01/22/2004DE10230455A1 Verfahren zur Einstellung oder lokalen Veränderung einer Magnetisierung in einer Schicht einer magnetoresistiven Schichtanordnung, Heizstempel zum Anheizen der magnetoresistiven Schichtanordnung und deren Verwendung Method for setting or changing a local magnetization in a layer of a magnetoresistive layer arrangement, heating punch to feeding magnetoresistive layer arrangement and their use
01/21/2004EP1383143A1 Solid material for magnet
01/21/2004EP1381578A1 Method for the production of ferrite magnets
01/21/2004CN1469401A Vacuum infusion process of large winding in soft mold
01/21/2004CN1135577C Method for producing transponder coil
01/21/2004CN1135573C Method for producing single directional silicon steel plate and excellent magnetic character
01/20/2004US6680667 Electrical conductor winding and a method of manufacturing an electrical conductor winding
01/20/2004US6679449 Method and apparatus for winding wire
01/15/2004WO2004006271A1 High thermal conductivity insulating member and its manufacturing method, electromagnetic coil, and electromagnetic device
01/15/2004US20040009614 Micromachined apparatus for collection, separation and analysis of polynucleotides, proteins, peptides, receptors, chelators and/or antibodies; high throughput assays; microfluidics
01/15/2004US20040009375 Perpendicular magnetic recording media, manufacturing process of the same, and magnetic storage apparatus using the same
01/15/2004US20040007291 Comprises ferric oxide source, injecting steam through ferric oxide source to infuse with cations, injecting steam into heated chamber housing laminated magnetic core, then oxidizing; dielectrics
01/15/2004US20040007289 For dielectrics; comprises soft iron/iron oxide core
01/15/2004US20040007184 Surface treating process, surface treating apparatus, vapor-depositing material, and rare earth metal-based permanent magnet with surface treated
01/15/2004DE10320128A1 Wicklungskörper Winding body
01/15/2004DE10225154A1 Weichmagnetischer Pulververbundwerkstoff, Verfahren zu dessen Herstellung und dessen Verwendung Soft-magnetic powder composite material, method for its preparation and its use
01/14/2004CN1468451A Tmr material having ultra-thin magnetic layer
01/14/2004CN1468442A Method for producing a microelectronic circuit and a microelectronic circuit
01/14/2004CN1467763A Manufacturing method of transformer coil assembly
01/14/2004CN1467762A Apparatus and method for manufacturing magnetic core with r-angle
01/14/2004CN1467760A Method for manufacturing laminated electronic device
01/14/2004CN1467759A Permanent-magnetic ferrite sticking rubber magnet and manufacturing process thereof
01/14/2004CN1467708A Perpendicular magnetic recording media, manufacturing process of the same, and magnetic storage apparatus using the same
01/14/2004CN1467704A Magnetoresistance effect film and spin valve reproducing head