Method for producing a single crystal of ferrite

Details Method for producing a single crystal of ferrite Method for producing a single crystal of ferrite

1981-04-20

1982-07-13

Bernstein, Hiram

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156DIG74, C30B 110

Patent

active

043393012

ABSTRACT:
A single crystal of ferrite is grown toward a polycrystal of ferrite by heating a polycrystal of ferrite and a seed of single crystal of ferrite in contact with each other to effect a solid phase reaction. In this method, as the polycrystal of ferrite use is made of the specific polycrystal of ferrite prepared by using iron oxide containing iron oxide having spinel structure, iron oxide having hysteresis of spinel structure or mixture of these iron oxides in an amount of not less than 60% by weight calculated as Fe.sub.2 O.sub.3 as the starting material of iron oxide of the main component of polycrystal of ferrite and the heating is effected at a temperature lower than the temperature at which the discontinuous grain growth of the polycrystal of ferrite is caused.

REFERENCES:
patent: 3585088 (1971-06-01), Schwuttke et al.
patent: 3694269 (1972-09-01), Bailey et al.
patent: 3996095 (1976-12-01), Ahn et al.

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