Compositions: ceramic – Ceramic compositions – Titanate – zirconate – stannate – niobate – or tantalate or...
Patent
1983-10-27
1984-12-18
Poer, James
Compositions: ceramic
Ceramic compositions
Titanate, zirconate, stannate, niobate, or tantalate or...
501135, 501136, C04B 3546
Patent
active
044891687
ABSTRACT:
A nonmagnetic material for use in a magnetic head which has a composition which, by weight, is between 10 and 30% calcium oxide and between 70 and 90% titanium dioxide and up to 2% zirconium dioxide. The invention also includes a method of manufacturing a nonmagnetic material which comprises the steps of providing a quantity of calcium oxide, providing a quantity of titanium dioxide, and milling said calcium oxide and titanium dioxide with zirconium dioxide balls to produce a mixture which includes zirconium dioxide.
Braitling Joseph G.
Wank Larry A.
North American Philips Corporation
Poer James
Smith Robert S.
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