NDLI: FM recording characteristics of Co-Ni obliquely evaporated tape

Content Provider	IEEE Xplore Digital Library
Author	Tsuneki, K. Hokkyo, J.
Copyright Year	1965
Abstract	The recording and reproducing characteristics of Co-Ni obliquely evaporated (metal evaporated, or ME) tape in video recording were investigated in comparison with metal-particulate (MP) tape using a single-frequency signal and a frequency-modulated (FM) signal. The results indicate that the formation of the circulation magnetization mode is difficult, although in ME tape as in MP tape there is an effective recording depth which is estimated to be a quarter of the recording wavelength in short-wavelength recording. It has been clarified that the lower sideband enhancement and the upper sideband suppression of the reproduced FM signal are reduced as the recording current is increased. The bias recording characteristics were also measured, and it was found that the reproduced voltage of the low-frequency converted chrominance signal does not depend on the gap length of the recording head.<>
Sponsorship	IEEE Magnetics Society
Starting Page	2469
Ending Page	2471
Page Count	3
File Size	384588
File Format	PDF
ISSN	00189464
Volume Number	26
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1990-09-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Magnetic recording Magnetization Perpendicular magnetic recording Video recording Voltage Magnetic heads Polymer films Length measurement Demagnetization Research and development
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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Improvement of C/Nm characteristics by using tail-off recording method in obliquely evaporated Co-CoO tape

Magnetization in recorded tape

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Thickness dependence of magnetic properties and noise characteristics of Co obliquely evaporated tape

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Recording at Large Write Currents on Obliquely Evaporated Medium and Application to a Multilevel Recording Scheme

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Guiding principle for research on perpendicular magnetic recording

FM recording characteristics of Co-Ni obliquely evaporated tape

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