Modeling and analysis of overwrite behavior versus increasing head field in thin MP tape

A thin MP tape is modeled to study the overwrite behavior as a function of increasing head field. For the simulation we use a moving-Preisach and Stoner–Wohlfarth hysteresis model which is implemented in a numerical recording model. A measurement at the optimum current of the overwrite ratio (OWR) s...

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Bibliographic Details
Published inJournal of magnetism and magnetic materials Vol. 193; no. 1; pp. 444 - 447
Main Authors Lalbahadoersing, S., Groenland, J.P.J., Luitjens, S.B., Lodder, J.C.
Format Journal Article Conference Proceeding
LanguageEnglish
Published Amsterdam Elsevier B.V 01.03.1999
Elsevier Science
Subjects
Applied sciences
Electronics
Exact sciences and technology
Magnetic devices
MP tape
Other magnetic recording and storage devices (including tapes, disks, and drums)
Overwrite behavior
PW50
Recording model
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
MP tape
Recording model
PW50
Overwrite behavior
Magnetic particles
Stoner model
Magnetic tape
Magnetic hysteresis
Magnetic head
Numerical method
Metal particle
Modeling
Magnetic recording
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Summary:A thin MP tape is modeled to study the overwrite behavior as a function of increasing head field. For the simulation we use a moving-Preisach and Stoner–Wohlfarth hysteresis model which is implemented in a numerical recording model. A measurement at the optimum current of the overwrite ratio (OWR) shows a perfect reproduction of its value in the simulation. A layer-by-layer depth analysis is performed to investigate the origin of the residual signal. The model can also explain the decreasing trend of the OWR versus the head field.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0304-8853
DOI:10.1016/S0304-8853(98)00472-7