Electromagnetic wave absorption ferrite particle powder, manufacturing method of the same, and resin composition using the same
To provide ferrite particle powder for electromagnetic wave absorption, which can maintain flexibility and uniformity of physical properties of a sheet even when the sheet is filled with a high volume, and has excellent electromagnetic wave absorption performance in the GHz band. Electromagnetic wav...
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| creator | MITSUI, HIDEHARU WATANABE, KOZO NISHIO, YASUSHI TSUKAMOTO, HIDEMI |
| description | To provide ferrite particle powder for electromagnetic wave absorption, which can maintain flexibility and uniformity of physical properties of a sheet even when the sheet is filled with a high volume, and has excellent electromagnetic wave absorption performance in the GHz band. Electromagnetic wave absorption ferrite particle powder, consists of a magnetoplanbite type ferrite represented by the chemical formula: AxFe(12-y)(TizMn(1-z))yO19, where A is at least one selected from Ba, Sr, Ca, and Pb, x is 0.9~1.1, y is 5.0 or less, z is 0.35~0.65, has a compression density of 3.00 g/cm3 or more, and has an average particle size of 0.50~3.0[mu]m determined by the air permeation method (Brane method). |
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| subjects | BASIC ELECTRIC ELEMENTS CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY INDUCTANCES INORGANIC CHEMISTRY MAGNETS MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS METALLURGY PRINTED CIRCUITS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TRANSFORMERS |
| title | Electromagnetic wave absorption ferrite particle powder, manufacturing method of the same, and resin composition using the same |
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