Method for preparing cores and the like made from metallic oxide

Details Method for preparing cores and the like made from metallic oxide Method for preparing cores and the like made from metallic oxide

1984-10-29

1985-12-03

Silverberg, Sam

Metal treatment

Compositions

Heat treating

C23F 704

Patent

active

045564353

ABSTRACT:
A method for preparing cores and the like such as magnetic recording head cores. They are made from metallic alloy oxides such as ferrite and used as electric, electronic, or magnetic elements of electric appliances such as tape recorders and televisions. The method is characterized by covering alloy compacts in part or as whole by silver and then baking them in an oxygen atmosphere for a predetermined time and at a predetermined temperature, whereby constituents of the alloy compacts are converted to oxides under strict control. Silver converging baked cores may be utilized for attaching terminals.

REFERENCES:
patent: 2899345 (1959-08-01), Oshry

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