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Magnetic Characteristics of Recording Tapes and the Mechanism of the Recording Process

The principal purpose of this paper is to suggest a new approach toward gaining an analytical understanding of the recording process. The recording process as well as the magnetic characteristics of the recording medium will be described in terms of a 3-dimensional distribution function whose coordinates are the positive and the negative switching fields and the magnetic moments of the individual particles of the tape coating. Means for measuring the distribution function will be described and examples will be shown. Using the measured distribution function, the small-signal recorded magnetization as a function of frequency will be calculated for some simple cases of high-frequency-bias recording.

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