Comparative aspects of AC bias recording

Comparative aspects of AC bias recording

Experimental results are presented comparing the performance of various heads and disks for ac bias recording of data on rigid disks. Ferrite and thin film heads are included in the comparison as are particulate disks with normal and unusually thick coatings. The data indicate that thin film heads a...

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Veröffentlicht in:IEEE transactions on magnetics 1981-11, Vol.17 (6), p.3343-3345
Hauptverfasser: McCown, D., Barbosa, L., Howell, T.
Format: Artikel
Sprache:eng
Schlagworte:
Coatings
Degradation
Disk recording
Distortion measurement
Ferrites
Frequency response
Gaussian processes
Magnetic heads
Magnetic recording
Transistors
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Beschreibung
Zusammenfassung:Experimental results are presented comparing the performance of various heads and disks for ac bias recording of data on rigid disks. Ferrite and thin film heads are included in the comparison as are particulate disks with normal and unusually thick coatings. The data indicate that thin film heads are preferable to ferrite for ac bias recording and that frequency response and overwrite performance are at most only slightly degraded by very thick disk coatings.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.1981.1061741