Hexagonal Z type magnetic oxide sintered material, method for ma

Details Hexagonal Z type magnetic oxide sintered material, method for ma Hexagonal Z type magnetic oxide sintered material, method for ma

1997-07-28

1999-09-21

Bonner, Melissa

Compositions

Magnetic

Iron-oxygen compound containing

252 6259, H01F 134

Patent

active

059549920

ABSTRACT:
The invention provides a hexagonal Z type magnetic oxide sintered material having a high resistivity and high density, and an impedance device using the same. The hexagonal Z type magnetic oxide sintered material contains a main oxide component containing M wherein M is at least one of Ba and Sr, Co, and Fe and an auxiliary oxide component containing Si, having a resistivity of at least 10.sup.6 .OMEGA.-cm, a sintered density of at least 4.6 g/cm.sup.3, and an initial magnetic permeability of 5 to 25. Pb may be contained in the auxiliary oxide component. Co may be partially replaced by Me wherein Me is at least one of Ni, Zn, and Cu.

REFERENCES:
patent: 2946752 (1960-07-01), Jonker et al.
patent: 3188400 (1965-06-01), Vilensky
patent: 3461072 (1969-08-01), Winkler

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