A method has been developed for measuring two anhysteretic magnetic constant of the oxide coating. The coating thickness and the recording gap length are the only additional parameters necessary to determine the absolute bias for maximum output and the absolute recording sensitivity expressed as the ratio of remanent induction in the coating to field strength deep in the recording gap.
Authors:
Levine, Irving; Daniel, Eric D.
Affiliation:
National Bureau of Standards, Washington, DC
JAES Volume 7 Issue 4 pp. 181-188, 222; October 1959
Publication Date:
October 1, 1959
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