Magnetic recording medium

Disclosed are a magnetic recording medium having a magnetic recording layer formed of a magnetic thin film in which rotational hysteresis integral RH is within a range of from 0.4 to 1.3 in the measurement by a torque magnetometer, and a continuous magnetic recording medium in which crystal grains a...

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Main Authors KITAZAKI; YASUSHI, SAITO; MAKOTO, MATSUDA; YOSHIBUMI, TSUMITA; NORIKAZU, OHNO; TOMOYUKI, YOSHIDA; KAZUETSU, SHIROISHI; YOSHIHIRO, YAMASHITA; TAKEO, OHURA; MASAKI, NAGAIKE; SADANORI, KURODA; KATSUHIRO, TAKAGI; KAZUMASA, SUZUKI; HIROYUKI, HISHIYAMA; SADAO
Format Patent
LanguageEnglish
Published 03.07.1990
Subjects
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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Summary:Disclosed are a magnetic recording medium having a magnetic recording layer formed of a magnetic thin film in which rotational hysteresis integral RH is within a range of from 0.4 to 1.3 in the measurement by a torque magnetometer, and a continuous magnetic recording medium in which crystal grains are substantially randomly arranged on the upper surface of a magnetic recording layer or on the surface of a non-magnetic subbing layer, and in which each of the crystal grains is made to be in the form of an ellipsoid or needle and to have a length-ways axial ratio of a major axis to a minor axis not smaller than 2, more preferably, not smaller than 4.
Bibliography:Application Number: US19880172194