Magnetodielectric ceramic composite material, method of manufact

Details Magnetodielectric ceramic composite material, method of manufact Magnetodielectric ceramic composite material, method of manufact

1997-02-14

1998-10-06

Bonner, Melissa

Compositions

Magnetic

Chromium or chromium compound containing

252 6262, 252 6258, 252 6256, C04B 3526, C06B 3564, H01R 120

Patent

active

058172505

ABSTRACT:
A magnetodielectric ceramic composite material comprising a first disperse phase which contains one or more magnetic ferrites, and a second, essentially continuous phase which contains electrically insulating oxides, characterized in that the electrically insulating oxides are lead(II) oxide, bismuth(III) oxide and, optionally, boron(III) oxide, is distinguished by an improved construction of the surface boundary layer. Said composite material can very suitably be used for the manufacture of frequency-selective components and wideband transmitters having a high initial permeability and a high critical frequency f.sub.0 in the range from 1 . . . 200 MHz, and for the manufacture of monolithic, multifunctional components. A description is given of a simple method of manufacturing said composite material.

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