|
Match
|
Document |
Document Title |
|
|
8154464 |
Magnetic material antenna and ferrite sintered body
A magnetic material antenna using a ferrite sintered body comprising one or more conductors disposed at least on a surface or in internal portion of the ferrite sintered body, wherein the ferrite...
|
|
|
8153097 |
Method for manufacturing ferrite powder, ferrite powder, and magnetic recording medium
A method for manufacturing ferrite powder comprises a step (a) of causing a precursor, obtained by a liquid-phase reaction method, to pass through a sieve with openings of 2 mm or less, and a step...
|
|
|
8123973 |
Method of manufacturing magnetic material
A method of manufacturing magnetic material is described hereinafter. Firstly, Fe(NO3)3.9H2O and other metal nitrate compounds are dissolved in an alcohol solvent to form a mixed solution....
|
|
|
8092705 |
Simple method for introducing magnetic particles into a polymer
The present invention provides a simple method for introducing magnetic particles into a polymer for further preparing a magnetic polymer, the method using the capability of polymer to absorb Fe3+...
|
|
|
8021567 |
Oxide-type, magnetic material and it's production method, and sintered ferrite magnet and it's production method
A sintered ferrite magnet having an M-type ferrite structure and comprising Ca, an R element which is at least one rare earth element indispensably including La, Ba, Fe and Co as indispensable...
|
|
|
7919007 |
Ferrite magnetic material
The present invention provides a ferrite magnetic material capable of attaining such magnetic properties that Br+(⅓)HcJ is 6200 or more even by sintering at a temperature of 1150° C. or lower. Th...
|
|
|
7906036 |
Ferrite sintered magnet
A sintered ferrite magnet having a basic composition represented by the general formula: A1−x−y+aCax+bRy+cFe2n−zCoz+dO19 (atomic ratio), wherein a, b, c and d represent the amounts of an A eleme...
|
|
|
7883637 |
Composite sintered body of dielectric substance and magnetic substance, and LC composite electronic component
A composite sintered body of dielectric substance and magnetic substance comprises a hexagonal Ba ferrite crystal, a perovskite type crystal containing at least one element selected from Ca, Sr,...
|
|
|
7879469 |
Ferrite magnet powder, sintered magnet, bond magnet, and magnetic recording medium
A ferrite magnet powder is represented by the composition formula AFe2+a(1-x)MaxFe3+bO27, wherein A represents at least one element selected from the group consisting of Sr, Ba, and Pb; and M...
|
|
|
7837892 |
Rubber compound containing nanoscale, magnetic fillers
Rubber compound containing at least one nanoscale, magnetic filler and at least one non-magnetic filler. Vulcanizable mixture containing the rubber compound and at least one crosslinking agent...
|
|
|
7837893 |
Oxide-type, magnetic material and its production method, and sintered ferrite magnet and its production method
A sintered ferrite magnet having an M-type ferrite structure and comprising Ca, an R element which is at least one rare earth element indispensably including La, Ba, Fe and Co as indispensable...
|
|
|
7811465 |
Magnetic garnet single crystal and optical element using same as well as method of producing single crystal
The present invention relates to a magnetic garnet single crystal prepared by the liquid phase epitaxial (LPE) process and an optical element using the same as well as a method of producing the...
|
|
|
7758766 |
Magnetic garnet single crystal and Faraday rotator using the same
It is an object of the present invention to provide a magnetic garnet single crystal capable of reducing the optical loss of the resulting rotator even when the magnetic garnet single crystal is...
|
|
|
7754094 |
Sintered ferrite and its production method and electronic part using same
A sintered ferrite body having a main composition comprising 63-80% by mol of Fe2O3, and 3-15% by mol of ZnO, the balance being manganese oxide; Rcal determined from the Fe2O3 content X (% by mol)...
|
|
|
7713433 |
Ferrite magnetic material and ferrite sintered magnet
W-type ferrite has improved magnetic properties, in particular, coercive force. A high coercive force (HcJ) and a high residual magnetic flux density (Br) can be simultaneously attained by a...
|
|
|
7651626 |
Hexagonal ferrite, antenna using the same and communication apparatus
There is provided Y-type hexagonal ferrite having a high density of sintered body and a low level of loss and an antenna. The hexagonal ferrite having Y-type ferrite as the main phase is...
|
|
|
7540972 |
Mn-Zn based ferrite material
For the purpose of providing a Mn—Zn based ferrite material that is small in magnetic field degradation in high frequency bands of 1 MHz or more, the Mn—Zn based ferrite material includes: as mai...
|
|
|
7481947 |
Ferrite magnetic material and ferrite sintered magnet
A ferrite magnetic material comprising a main phase of W-type is provided which has magnetic properties improved through the optimization of additives. The ferrite magnetic material comprises a...
|
|
|
7476482 |
Mg-based ferrite, an electrophotographic development carrier containing the ferrite, and developer containing the carrier
This invention provides an Mg-based ferrite having a high dielectric breakdown voltage and a saturation magnetization suitable for electrophotographic development, a carrier containing the ferrite,...
|
|
|
7465409 |
Hard magnetic core particles and a method of making same
Hard magnetic core particles for use in the development of electrostatic latent images are produced by combining ferric oxide, a strontium oxide precursor, an oxygenated boron compound and a binder...
|
|
|
7425280 |
Ferrite magnetic material and process for producing the same
The present invention provides a ferrite magnet material comprising, as a main phase, a ferrite having a hexagonal structure, the main phase containing A, La, R, Fe and Co, wherein A is at least...
|
|
|
7390425 |
Ferrite sintered body and method of manufacturing same
The ferrite sintered body of hexagonal Z-type ferrite contains 17 mol % to 21 mol % of BaO, 6 mol % to 13 mol % of CoO, the remainder being Fe2O3 as its main components and also contains 0.05% to...
|
|
|
7384571 |
Ferrite magnet powder bond magnet
A ferrite magnetic powder for bond magnet that experiences only small decrease in coercivity when molded into a bond magnet is provided, which is a ferrite magnetic powder that includes an...
|
|
|
7332101 |
Permanently linked, rigid, magnetic chains
One aspect of the present invention relates to a permanently linked, rigid, magnetic chain of particles prepared by sol-gel methods. A second aspect of the present invention relates to a method of...
|
|
|
7255807 |
Bond magnet and ferrite magnetic powder for bond magnet
A ferrite magnetic powder for bond magnet that experiences only small decrease in coercivity when molded into a bond magnet is provided, which is a ferrite magnetic powder that includes an...
|
|
|
7169319 |
Anisotropic, sintered ferrite magnet and method for producing the same
A ferrite magnet having a basic composition represented by the following general formula: (A1−xRx)O.n[(Fe1−yMy)2O3] by atomic ratio, wherein A is Sr and/or Ba, R is at least one of rare earth ele...
|
|
|
7108799 |
Electromagnetic wave absorber formed of Mn-Zn ferrite
An electromagnetic wave absorber is formed of an Mn—Zn ferrite including: a spinel primary phase which contains 40.0 to 49.9 mol % Fe2O3, 4.0 to 26.5 mol % ZnO, and the remainder consisting of M...
|
|
|
7101489 |
Composite magnetic material and a method for producing the same
A composite magnetic material contains first magnetic particles made of a first magnetic material and second magnetic particles made of a second magnetic material, the first and second magnetic...
|
|
|
7025946 |
Method for producing soft magnetic hexagonal ferrite sintered material and soft magnetic hexagonal ferrite sintered material
A soft hexagonal ferrite sintered material includes crystal particles of M-type hexagonal ferrite corresponding to a general chemical formula MFe12O19 wherein M is at least one element selected...
|
|
|
7011764 |
Method for producing a magnetic device
A magnetic device and method for making it involve a magnetic device specifically constructed of grains in a matrix. The matrix may be cement or plaster. The grains have an average diameter that is...
|
|
|
6984338 |
Mn-Zn ferrite containing less than 50 mol % Fe2O3
An Mn—Zn ferrite includes base components of 44.0 to 49.8 mol % Fe2O3, 4.0 to 26.5 mol % ZnO, 0.8 mol % or less Mn2O3, and the remainder consisting of MnO, and contains 0.20 (0.20 excluded) to 1...
|
|
|
6933799 |
Method of controlling intermodulation distortion of non-reciprocal device
A non-reciprocal device includes at least one ferrimagnetic member (21 or 22). By controlling the FMR linewidth ΔH of the ferrimagnetic members (21 and 22), intermodulation distortion is controlled.
|
|
|
6908568 |
Preparation of oxide magnetic material and oxide magnetic material
An oxide magnetic material is prepared by wet molding in a magnetic field a slurry containing a particulate oxide magnetic material, water and a polyhydric alcohol having the formula: Cn(OH)nHn+2...
|
|
|
6905629 |
Mn-Zn ferrite, transformer magnetic core and transformer
An Mn—Zn ferrite wherein 0 to 5000 ppm of a Co oxide in a Co3O4 conversion is contained in a basic component constituted by Fe2O3: 51.5 to 57.0 mol % and ZnO: 0 to 15 mol % (note that 0 is not i...
|
|
|
6902685 |
Oxide magnetic material
A ferrite magnet powder and a ferrite magnet exhibiting improved magnetic properties are provided at a reduced manufacturing cost. An application product and manufacturing methods thereof are also...
|
|
|
6872251 |
Method for manufacturing single crystal ceramic powder, and single crystal ceramic powder, composite material, and electronic element
A method for manufacturing single crystal ceramic powder is provided. The method includes a powder supply step for supplying powder consisting essentially of ceramic ingredients to a heat treatment...
|
|
|
6858156 |
Ferrite magnet and both rotor and magnet roll comprising the same
A ferrite magnet having a basic composition represented by the following general formula: (A1−xRx)O.n[(Fe1−yMy)2O3] by atomic ratio, wherein A is Sr and/or Ba, R is at least one of rare earth ele...
|
|
|
6858155 |
Ferrite materials, methods of preparing the same, and products formed therefrom
Ferrite materials, methods of forming the same, and products formed therefrom are disclosed, comprising, as main components, an iron oxide ranging from 55.5 to 58.0 mole percent calculated as...
|
|
|
6852245 |
Process for producing granules for being molded into ferrite, granules for being molded into ferrite, green body and sintered body
A composition for producing granules for molding ferrite, which comprises a ferrite slurry at least having raw ferrite powders; an ethylene-modified polyvinyl alcohol whose ethylene modified amount...
|
|
|
6814883 |
High frequency magnetic material and high frequency circuit element including the same
A high frequency magnetic material includes a Y or M type hexagonal ferrite, wherein the hexagonal ferrite is expressed by the composition formula (1-a-b)(Ba1-xSrx)O.aMeO.bFe2O3, where Me is at...
|
|
|
6811718 |
Ferrite type magnet manufacturing method
In the method for manufacturing ferrite type permanent magnets according to the formula M1-xRxFe12-yTyO19: a) a mixture of the raw materials PM, PF, PR and PT of elements M, Fe, R and T,...
|
|
|
6790379 |
Magnetic ferrite composition and process of production thereof
A magnetic ferrite composition including at least one of Mg, Ni, Cu, Zn, Mn, and Li and having a content of carbon within a predetermined range, for example, over 9.7 weight ppm to less than 96...
|
|
|
6773620 |
Oxide magnetic material and production method of the same
An oxide magnetic material of the invention is an oxide magnetic material of a hexagonal ferrite containing Sr, has grain boundary phases in the surrounding of the crystal grains, contains not less...
|
|
|
6773619 |
Magnetic core for transformer, Mn-Zn based ferrite composition and methods of producing the same
An Mn—Zn based ferrite composition having a main component comprised of Fe2O3: 51.5 to 54.5 mol %, ZnO: 19.0 to 27.0 mol % and the rest of substantially MnO and a first sub component comprised of 0...
|
|
|
6761830 |
Method for making m- type hexaferrite powders or wafers
A method for manufacturing type M hexaferrite powders fo the formula AFe12O19 where A is Ba, Sr, Ca, Pb or a mixture thereof. An iron oxide Fe2O3 and a compound A are mixed with a molar ratio...
|
|
|
6761839 |
Material for making hyper frequency multi-layer chip inductors with high performance and low sintering temperature and a process for preparing the material
A composition of material used for making hfMLCIs having a sintering temperature below 1000°. The composition comprises a major component and a minor component, said major component being a ...
|
|
|
6758894 |
Strontium iron manganese black pigment
A black pigment substantially free of objectionable transition metal materials is disclosed. This pigment is particularly useful for coloring glass since the absence of the transition metal gives...
|
|
|
6755988 |
Method for making ferrite magnets
A method for making ferrite magnets of formula M1−xRxFe12−yTyO19 including: a1) forming a powder mixture MP of related raw materials, a2) transforming into granules in green state A, b) cal...
|
|
|
6749768 |
Magnetic ferrite powder, magnetic ferrite sinter, layered ferrite part, and process for producing layered ferrite part
Provided is magnetic ferrite powder in which a peak intensity ratio of Z phase (M3Me2Fe24O41: M=one or more kinds of alkaline-earth metal, Me=one or more kinds from Co, Ni, Mn, Zn, Mg and Cu) of...
|
|
|
6737451 |
Thermally stable, high temperature, samarium cobalt molding compound
A magnetic compound is formed comprising: (1) 25% to 50% by volume of polyphenylene sulfide (PPS); (2) 50% to 70% by volume of coated samarium cobalt (the coating comprising 1 to 30% Kaolin by...
|