Some factors controlling the uniformity and properties of NiFe plated wires

The changes in composition of NiFe for a change in flow, temperature, or current in the NiFe electrolyte are determined. The local uniformity of composition is controlled by varying these coefficients of composition through changes in the Ni ++ concentration and temperature of deposition. At low con...

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Bibliographic Details
Published in:IEEE transactions on magnetics 1973-09, Vol.9 (3), p.495-499
Main Authors: Luborsky, F., Drummond, B., Barber, W.
Format: Article
Language:English
Subjects:
Communication system control
Current density
Fluctuations
Magnetic analysis
Magnetic circuits
Magnetic domains
Magnetic properties
Research and development
Temperature control
Wire
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Summary:The changes in composition of NiFe for a change in flow, temperature, or current in the NiFe electrolyte are determined. The local uniformity of composition is controlled by varying these coefficients of composition through changes in the Ni ++ concentration and temperature of deposition. At low concentrations of Ni ++ and low temperatures, it is concluded that a local, or short-term, fluctuation in flow is the principal factor affecting the uniformity of the NiFe composition deposited, At higher Ni ++ concentrations the temperature fluctuations become the principal factor affecting the uniformity. The trends in magnetic properties and memory quality are also related t o t h e Ni ++ concentration and temperature of deposition. These trends are interpreted in terms of the model previously described for the origin of the nondestructive read-out properties of plated wire.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.1973.1067676