Modeling the effect of head saturation in high density tape recording

Author

Wachenschwanz, David ; Bertram, Neal H.

Volume

27

Issue

6

fYear

1991

fDate

11/1/1991 12:00:00 AM

Firstpage

4981

Lastpage

4983

Abstract

The effect of head saturation on the signal spectrum in high-density tape recording has been investigated using a simple model for the recording process and a finite-difference model for the head. Phase relationships in the recording process are incorporated by utilizing the angularly dependent switching behavior of a two-particle simplified system. The recording process under saturation is shown to depend on the achievable deep gap field since the head field shape changes only slightly. Scanning-Kerr-microscope assessment of saturation is shown to differ from that of a micro-loop

Keywords

difference equations; magnetic heads; magnetic recording; magnetic switching; magnetic tapes; Co-Fe₂O₃; angularly dependent switching behavior; ferrite head; finite-difference model; head field shape; head saturation effect model; high-density tape recording; metal head; micro-loop; phase relationship; scanning Kerr microscope; signal spectrum; two-particle simplified system; Finite difference methods; Magnetic cores; Magnetic field measurement; Magnetic heads; Magnetic materials; Magnetic recording; Microscopy; Permeability; Saturation magnetization; Signal processing;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.278714

Filename

278714