Matches 1 - 36 out of 36


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DE112015004511T5 Magneto-dielectric substrate circuit material and arrangement with these  
A magneto-dielectric substrate includes a first dielectric layer, a second dielectric layer spaced from the first dielectric layer, and at least a magnetic reinforcing layer is disposed between...
DE19549875B4 Use of magnetic particles to isolate nucleic acids  
Magnetic particles with an outer glass surface that is essentially pore-free or has pores with a diameter of less than 10 nm and ferromagnetic particles with a glass surface can preferably be used...
DE102013221828A1 Nanoscale Magnetkomposit for high-performance permanent magnets  
The invention relates to nanoparticles (N), comprising one of a first end along a longitudinal axis (z) up to a second end extending elongated core (10) by means of at least a first magnetizable...
DE102011018177A1 Paste i.e. electro-rheological polishing paste, for use in e.g. controllable rotary damper, has solid particles wetted by isolation liquid and/or slip agent and surrounded by plastic and/or structure-viscous material  
The paste has partly agglomerated, partial polarizable and/or magnetizable solid particles partially wetted and/or coated by an insulator, isolation liquid and/or slip agent, where the solid...
DE102012203536A1 Magnetic material for antennas, antennas and wireless communication devices  
The invention provides: a magnetic material for antennas which is available in a wide band and with high efficiency at high frequencies and with which a small antenna etc. can be realized with...
DE102011002578A1 System and method for an integrated inductor  
In one embodiment, an inductor, a substrate, a conductor disposed over the substrate and a seamless ferromagnetic material surrounding at least a first portion of the conductor on.
DE19520398B4 Magnetic pigment  
reagent composition for isolating nucleic acids from a sample comprising (A) magnetic particles having a Glass surface, (B) a chaotropic salt solution, (C) optionally a washing solution and (D)...
DE10255893B4 Method and apparatus for heating a material containing a plurality of magnetic particles  
process for heating a material containing a plurality of magnetic particles (4) by applying an electromagnetic alternating field on the Material (4), characterized in that the magnetic particles...
DE10331439B3 Magnetic nanoparticles with improved magnetic properties  
The Invention relates to a process for the preparation of magnetic nanoparticles, which consist of metal-polymer composites and due to their high metal oxide content and their morphological...
DE10065761B4 Platelet-shaped magnetic particles, their preparation and use  
Platelet-shaped particles, characterized in that these have a plurality of layers, wherein the core alumina and / or a mixed phase of aluminum oxide and contains silica, the intermediate layer...
DE10326674A1 Magnetic aggregates for use in separation processes are obtained from non-magnetic particles by oxidation of iron (II) solution to produce intermediate containing verdigris which is then oxidized  
The production of magnetic aggregates from non-magnetic particles involves the oxidation of an iron (II) solution to produce an intermediate product containing verdigris particles in admixture...
DE10255893A1 Method for heating, by means of an alternating electromagnetic field, a material containing magnetic particles involves alignment of the magnetic axes of these particles  
The method for heating, by means of an alternating electromagnetic field, a material (4) containing magnetic particles involves alignment of the magnetic axes of these particles. An Independent...
DE10205332B4 A process for preparing magnetic nanoparticles  
A process for the production of magnetic core particles in the nano range and dispersions of these particles in polar and nonpolar solvents, wherein a co-precipitation of iron (III) - and metal...
DE10205332A1 Production of magnetic core nanoparticles or dispersion, used e.g. for magnetic fluid seal, acoustic or oscillation damping, biological or clinical purpose comprises coprecipitation of a solution of an iron(III) and a metal(II) salt  
Production of magnetic core nanoparticles and dispersions in polar and non-polar solvents comprising coprecipitation of an aqueous solution containing an iron(III) salt and a metal(II) salt with a...
DE10153639A1 Superparamagnetic iron oxide-containing composite particles  
A process for producing composite particles in which superparamagnetic iron oxide particles having a particle diameter of less than 30 nm are incorporated in a functional polysiloxane matrix. The...
DE10153547A1 Dispersion containing pyrogenically produced abrasive particles with superparamagnetic domains  
Abrasive particle-containing dispersion containing pyrogenically produced particles having superparamagnetic metalloid oxide domains in a non-magnetic metal or metal oxide matrix. The dispersion...
DE10140089A1 Superparamagnetic oxide particles, process for their preparation and their use  
Pyrogenic oxide particles containing superparamegnetic metal oxide domains having a diameter of 3 to 20 nm in a non-magnetic metal or metalloid oxide matrix having a chloride content of 50 to 1000...
DE10110341A1 Metal powder composite material and the starting material and process for the preparation of such  
To specify a powdered metal composite material with high electrical resistivity with good mechanical strength, excellent temperature and fuel resistance and a starting material and a method for...
DE10101769A1 Production of octahedral magnetite, used in electrophotography and magnetic toner, for coloring paper, plastics, lacquers, fibers or concrete or in colors, involves two-stage precipitation in aqueous alkaline solution and oxidation  
Production of octahedral magnetite (I) with specific coercivity comprises heating an aqueous solution of alkaline component; adding iron (II) component and adding oxidant. Production of a...
DE10065761A1 Platelet-shaped magnetic particles  
The invention relates to plate-like, multi-layer particles, the nucleus thereof containing aluminium oxide and/or a mixed phase of aluminium oxide and silicon dioxide, the intermediate layer...
DE10011484A1 Operating method for discharge lamp with dielectric layer between electrode and discharge medium, involves using mains starter with primary circuit and secondary circuit  
The method involves using a mains starter with a primary circuit and a secondary circuit The operating method for a discharge lamp (L) is carried out with voltage pulse impressed to effect the...
DE10000523A1 Ferrite compound material with high electromagnetic absorption in the frequency range from 20-40 gigahertz for applying to cabling is produced in spinel or other crystal forms for example as hexagonal or garnet  
Ferrite material is produced in spinel or other crystal forms, e.g., hexagonal or garnet. Having crystal lattice can influence absorption level, as can size of grain, metering, texture, thickness...
DE19852152A1 Magnetic particles, magnetic dispersions and processes for their preparation  
The invention relates to magnetic particles, magnetic dispersions and methods for the production thereof. The objective of the invention is to provide magnetic particles and magnetic dispersions...
DE19822782A1 Monolithic multilayer electronic part exhibits minimal silver diffusion from internal electrodes  
A multilayer electronic part (1) consists of laminated ceramic layers which bear a printed silver-containing internal electrode pattern (3) and which contain main and grain boundary phases. An...
DE19702710A1 Super paramagnetic or ferromagnetic particles in aqueous dispersion  
Particles (I) and their stable and/or unstable dispersions in polar and/or non-polar dispersants are claimed. (I) consists of super paramagnetic and/or ferromagnetic material in defined quantity...
DE19725869A1 Low sintering temperature radiofrequency soft ferrite for inductor  
A novel low sintering temperature, r.f., Ni-Cu-Zn soft ferrite material consists of a starting material of 40.0-51.0 mol% Fe2O3, 1.0-10.0 mol% CuO, 38.0-48.0 mol% NiO and 1-10.0 mol% ZnO and...
DE19612001A1 Superparamagnetic particles with increased relaxivity R¶1¶, methods of preparation and their use  
The invention relates to super-paramagnetic single domain particles with increased R1 relaxivity and with surface-stabiliser substances. The particles are characterised in that they: consist of...
DE19537985A1 Magnetic particles with glass surface  
New prods. are (a) magnetic particles with an external glass surface that is nonporous or has pores with a dia. below 10 nm and (b) ferromagnetic particles with a glass surface.
DE19533050A1 Mfg. an inductive component having at least one coil e.g. for filters or oscillatory circuits  
The inductive component comprises at least one coil (9) and a solidifying mass (6), contg. magnetically conductive particles (7), is located in the region of a magnetic field generated by the...
DE19520398A1 Magnetic particles with, opt. porous, glass surface  
Magnetic particle (A) with an external glass surface that is non-porous or has pores with a dia. <10 nm. Also claimed is a ferromagnetic particle (B) with a glass surface.
DE4430285A1 High purity ferromagnetic iron oxide pigments  
gamma -Fe2O3 pigments and Fe3O4 pigments have particles of 2 to 200 nm diameter, more than 40 nTm<3>/g saturation magnetisation, less than 10 nTm<3>/g remanence, a Cr content below 40 mg/kg...
DE4427821A1 Stabilised super-paramagnetic aggregate particles  
Super-paramagnetic particles as described in the parent patent comprise aggregates with a particle size of 10-1000 nm comprising several single-domain particles of Fe oxide, Fe-contg. mixed oxides...
DE4407338A1 Superparamagnetic particles and their use  
The invention relates to superparamagnetic particles which consist of aggregates of superparamagnetic single-domain particles of iron oxides, iron mixed oxides or iron and which have chemically...
DE4327223A1 A magnetic ink concentrate  
Described are magnetic ink concentrates, consisting of a dispersion of superparamagnetic or hard magnetic solid particles, which are in water or in alcohol with a DK of ≥ 20 in the presence of...
DE4309333A1 Superparamagnetic particles, process for their production and use thereof  
The invention relates to superparamagnetic particles which can be used in medicine for damaging tumours, for enhancing immunity and for diagnosis. This is achieved according to the invention by...
DE4103263A1 Very fine needle shaped ferrite particles with low coercive strength - made by pptn. of ferric oxide in a suspension with needle-shaped ferric oxy-hydroxide particles of added ferrous salt by oxidn. with air  
The low coercitive strength ferrite has the general compsn. AxByFe2+zO4 in which A and B are a bivalent ion from the group Ni, Cu, Mn, Mg, Ca and Zn and the sum of x,y and z is 1. The feature is...

Matches 1 - 36 out of 36